JP5244701B2 - Substrate holding and conveying jig, substrate pressing member, pressing member removing jig, metal mask plate, printed wiring board conveying method, wiring board manufacturing method with electronic components, and substrate conveying apparatus - Google Patents

Substrate holding and conveying jig, substrate pressing member, pressing member removing jig, metal mask plate, printed wiring board conveying method, wiring board manufacturing method with electronic components, and substrate conveying apparatus Download PDF

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JP5244701B2
JP5244701B2 JP2009122471A JP2009122471A JP5244701B2 JP 5244701 B2 JP5244701 B2 JP 5244701B2 JP 2009122471 A JP2009122471 A JP 2009122471A JP 2009122471 A JP2009122471 A JP 2009122471A JP 5244701 B2 JP5244701 B2 JP 5244701B2
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substrate
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wiring board
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board
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JP2010272650A (en
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修 出口
敦 石川
明宏 木村
梓 齋藤
豊和 小池
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株式会社 大昌電子
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Description

本発明は、プリント配線基板へ電子部品を実装する工程に用いられ、特に薄い(板厚0.5mm以下)プリント配線基板、反りの抑制が難しいプリント配線基板、個片で供給するプリント配線基板の搬送に用いて好適な基板保持搬送用治具、基板押さえ部材、押さえ部材取り外し治具、メタルマスク版、プリント配線基板の搬送方法、電子部品付き配線基板の製造方法、基板搬送装置に関する。   INDUSTRIAL APPLICABILITY The present invention is used in a process of mounting an electronic component on a printed wiring board. The present invention relates to a substrate holding / conveying jig, a substrate pressing member, a pressing member removing jig, a metal mask plate, a printed wiring board conveying method, a method for manufacturing a wiring board with electronic components, and a substrate conveying apparatus suitable for use in conveying.

従来、フレキシブルプリント配線基板の実装では耐熱性のある弱粘着剤層を有するプレート(治具)を用い基板を粘着保持し、電子部品を接合する実装工程に適用する方法をとっている(例えば特許文献1〜3)。
また、特許文献4のように、磁力によって互いに吸引力を発揮する一対の部材の間に基板を挟持して搬送する技術も提案されている。
Conventionally, in mounting a flexible printed circuit board, a plate (jig) having a heat-resistant weak adhesive layer is used to adhere and hold the substrate and applied to a mounting process for joining electronic components (for example, patents) Literatures 1-3).
In addition, as in Patent Document 4, a technique has been proposed in which a substrate is sandwiched and transported between a pair of members that exert an attractive force by magnetic force.

特許第3328248号公報Japanese Patent No. 3328248 特許第3435157号公報Japanese Patent No. 3435157 特許第3585904号公報Japanese Patent No. 3585904 特開2002−299406号公報JP 2002-299406 A

上記のように実装工程に弱粘着剤層を有する治具を用いる技術は、主にフレキシブルプリント配線基板の実装において用いられる技術であるが、近年、電子機器の小型化や薄型化、更に記録メディアの大容量化に伴いリジットプリント配線基板の薄型化が進むにつれリジットプリント配線基板の電子部品実装にも用いられている。
板厚0.5mm以下の薄いリジットプリント配線基板は、フレキシブルプリント配線基板と比較し弾性率が高く、熱により生じる反りを弱粘着剤層の粘着力では抑えきれず板厚0.5mm以下の薄いリジットプリント配線基板が治具からの脱落、反りにより装置と干渉し破損する等の不具合を発生させている。多層フレキシブルプリント配線基板やセラミック基板も同様に電子部品実装工程での反りの抑制方法や搬送方法に課題をかかえている。
As described above, the technique using a jig having a weak adhesive layer in the mounting process is a technique mainly used in mounting a flexible printed wiring board. As the rigid printed wiring board becomes thinner as the capacity increases, it is also used for mounting electronic components on the rigid printed wiring board.
A thin rigid printed wiring board with a thickness of 0.5 mm or less has a higher elastic modulus than a flexible printed wiring board, and the warp caused by heat cannot be suppressed by the adhesive force of the weak adhesive layer, and the thickness is 0.5 mm or less. The rigid printed wiring board has a problem such as being damaged due to interference with the device due to dropping or warping of the jig. Multilayer flexible printed wiring boards and ceramic boards also have problems with methods for suppressing warpage and conveying methods in the electronic component mounting process.

一方、特許文献4記載の技術は、磁力によって互いに吸引力を発揮する一対の部材(以下、磁気挟持用部材とも言う)の間に基板を挟持する構成により、磁気挟持用部材を基板の反りの抑制に有効に寄与させることが可能である。しかしながら、基板を挟持する一対の部材間に作用する磁気吸引力は磁気挟持用部材の基板面方向への移動抵抗の増大には有効に機能しない。このため、例えば、一対の磁気挟持部材に基板を挟持した構成の搬送体の搬送中の振動や、前記搬送体が搬送完了位置に設置されているストッパや案内用のガイド部材に衝突したときの衝撃力によって、磁気挟持用部材の基板面方向への位置ずれや基板の位置ずれが発生しやすいといった問題がある。また、特許文献4は磁気挟持用部材としてリング状部材、馬蹄形部材、Cの字形状の部材、フォーク形状の部材(段落(0048)参照)を用いるものであるが、このような形状の磁気挟持用部材は基板に局所的に接して基板を挟持する構成を意味するものと考えられるものであり(特許文献4の図1の処理ステージ2Aに形成されている吸引孔8からの真空吸引による基板保持のために、磁気挟持用部材の基板に対する接触面積を充分に小さく抑える)、磁気挟持用部材と基板との間の移動抵抗を充分に確保することは容易でない。   On the other hand, the technique described in Patent Document 4 uses a configuration in which a substrate is sandwiched between a pair of members (hereinafter also referred to as magnetic clamping members) that exert an attractive force by a magnetic force, so that the magnetic clamping member is not warped of the substrate. It is possible to contribute to the suppression effectively. However, the magnetic attractive force acting between the pair of members that sandwich the substrate does not function effectively to increase the movement resistance of the magnetic sandwiching member in the substrate surface direction. For this reason, for example, when a carrier having a structure in which a substrate is sandwiched between a pair of magnetic clamping members, vibration during conveyance, or when the carrier collides with a stopper or guide guide member installed at a conveyance completion position Due to the impact force, there is a problem that the magnetic clamping member is liable to be displaced in the substrate surface direction or the substrate. Patent Document 4 uses a ring-shaped member, a horseshoe-shaped member, a C-shaped member, or a fork-shaped member (see paragraph (0048)) as a magnetic clamping member. The member for use is considered to mean a structure in which the substrate is locally in contact with the substrate (the substrate by vacuum suction from the suction hole 8 formed in the processing stage 2A of FIG. 1 of Patent Document 4). For the purpose of holding, the contact area of the magnetic clamping member with respect to the substrate is sufficiently small), and it is not easy to ensure a sufficient movement resistance between the magnetic clamping member and the substrate.

本発明者は、治具に対する基板の位置ずれを防止するために、弱粘着剤層を有する治具に基板位置決め用のピンを複数突設したもの(以下、検討例とも言う)を試作し、このピンを基板の複数箇所に形成した孔に挿入して基板の位置ずれを防止する構成を検討した。しかしながら、この検討例の構成では、治具側の全てのピンと基板側の全ての孔の位置を高精度に対応させる必要があり、高精度のピン及び基板の孔に精度が要求されるため製造が容易でない上、基板をピンに通す作業に手間が掛かる。   The present inventor made a prototype of a plurality of substrate positioning pins protruding from a jig having a weak adhesive layer (hereinafter also referred to as a study example) in order to prevent displacement of the substrate relative to the jig, A configuration was examined in which the pins were inserted into holes formed at a plurality of locations on the substrate to prevent the substrate from being displaced. However, in the configuration of this examination example, it is necessary to correspond the positions of all the pins on the jig side and all the holes on the substrate side with high accuracy, and high precision pins and holes on the substrate are required to be accurate. Is not easy, and it takes time to pass the substrate through the pins.

本発明者は、弱粘着剤層を有する治具を用いる技術(例えば特許文献1〜3)は、搬送用の治具に対する基板の位置ずれ防止の点では有効であることを確認した。電子部品実装工程での基板の反りを抑制する点では、弱粘着剤層の粘着力を高めることが考えられるが、治具からの基板の剥離性の確保や剥離時の基板の曲げ変形の抑制に鑑みて、弱粘着剤層の粘着力を高めるには限界がある。また、従来、弱粘着剤層に一般的に用いられている弱粘着性樹脂(シリコーン樹脂等)は、その架橋度を低下させることで粘着力を高めることができるが、架橋度を低下させると、低分子量シロキサンの基板への転写(特にリフロー工程での転写)が生じやすくなるといった問題もある。   The present inventor has confirmed that techniques using a jig having a weak pressure-sensitive adhesive layer (for example, Patent Documents 1 to 3) are effective in preventing the positional deviation of the substrate with respect to the conveying jig. Although it is conceivable to increase the adhesive strength of the weak adhesive layer in terms of suppressing the warpage of the substrate in the electronic component mounting process, securing the substrate peelability from the jig and suppressing the bending deformation of the substrate during peeling. In view of the above, there is a limit to increasing the adhesive strength of the weak adhesive layer. Conventionally, weakly adhesive resins (silicone resins, etc.) that are generally used in weak adhesive layers can increase the adhesive force by reducing the degree of crosslinking, but when the degree of crosslinking is reduced. There is also a problem that transfer of low molecular weight siloxane to a substrate (especially transfer in a reflow process) is likely to occur.

また、弱粘着剤層を有する治具にあっては、フレキシブルプリント配線基板や薄いリジットプリント配線基板の反り抑制の点では、基板との接触面積を充分に確保するために、弱粘着剤層が、プレート状の治具本体の片面に、保持対象の基板と同等あるいはそれ以上の面積(例えば治具本体の片面全体)に設けられた構成のものを採用することが有利であり、このような構成のものが多用されている。このように弱粘着剤層と保持対象の基板との接触面積が大きいと、治具からの基板の剥離によって、治具、基板が静電気を帯電しやすい。基板の静電気の帯電量が増大すると、例えば治具から剥離させた基板が該基板を収納するためのトレイ等の異種部材に接触した際にスパークが発生してプリント配線基板を傷め、製品歩留まりの低下の原因になる可能性がある。また、静電気によって引き寄せられた粉塵等が基板に付着することがある。しかしながら、現状、静電気の帯電を抑え、しかも、フレキシブルプリント配線基板や薄いリジットプリント配線基板の反り抑制も実現できる適切な技術が存在しない。   In addition, in a jig having a weak adhesive layer, the weak adhesive layer is used in order to secure a sufficient contact area with the substrate in terms of suppressing warpage of a flexible printed wiring board or a thin rigid printed wiring board. It is advantageous to adopt a configuration in which one side of the plate-shaped jig body is provided in an area equivalent to or larger than the substrate to be held (for example, the entire one side of the jig body). The thing of composition is used a lot. When the contact area between the weak adhesive layer and the substrate to be held is large as described above, the jig and the substrate are easily charged with static electricity due to the peeling of the substrate from the jig. When the amount of electrostatic charge on the substrate increases, for example, when the substrate peeled off from the jig comes into contact with a dissimilar member such as a tray for storing the substrate, a spark is generated and the printed wiring board is damaged. May cause a drop. In addition, dust or the like attracted by static electricity may adhere to the substrate. However, at present, there is no appropriate technology that can suppress electrostatic charging and can also suppress warping of a flexible printed wiring board or a thin rigid printed wiring board.

上述のように、プリント配線基板の反りの抑制及び搬送用の治具に対する位置ずれ防止を実現できる好適な技術がこれまでに無いのが実情であった。
本発明は、プリント配線基板の反りの抑制及び搬送用の治具に対する位置ずれ防止を容易に実現でき、しかも、静電気の帯電も抑えることができる基板保持搬送用治具、基板押さえ部材、押さえ部材取り外し治具、メタルマスク版、プリント配線基板の搬送方法、電子部品付き配線基板の製造方法、基板搬送装置の提供を目的としている。
As described above, there has been no actual suitable technology that can realize the suppression of the warpage of the printed wiring board and the prevention of the positional deviation with respect to the conveying jig.
The present invention provides a substrate holding and conveying jig, a substrate pressing member, and a pressing member that can easily suppress warpage of a printed wiring board and prevent positional deviation with respect to a conveying jig and can also suppress electrostatic charge. An object of the present invention is to provide a removal jig, a metal mask plate, a method for transporting a printed wiring board, a method for manufacturing a wiring board with electronic components, and a substrate transport device.

上記課題を解決するために、本発明では以下の構成を提供する。
請求項1に係る発明は、プリント配線基板が重ね合わせるようにして設置される基板設置面を有し前記プリント配線基板の搬送に用いられるプレート状の基板保持搬送用治具であって、プレート状基材の複数箇所に前記プリント配線基板を保持するための弱粘着剤層が前記基板設置面の一部を形成するようにして設けられ、さらに、前記プレート状基材の前記基板設置面に沿う複数箇所に永久磁石あるいは磁性体である磁気吸引用部材を備え、前記基板設置面に設置されたプリント配線基板の前記プレート状基材とは反対の側に設置される基板押さえ部材に該基板押さえ部材に設けられている磁性体あるいは永久磁石と前記プレート状基材の前記磁気吸引用部材との間の磁気吸引力を作用させることで、プリント配線基板を保持可能とされていることを特徴とする基板保持搬送用治具を提供する。
請求項2に係る発明は、前記磁気吸引用部材は前記弱粘着剤層の前記基板設置面とは反対の側に設けられて前記プレート状基材の複数箇所に分散配置されていることを特徴とする請求項1記載の基板保持搬送用治具を提供する。
請求項3に係る発明は、前記磁気吸引用部材が前記基板設置面の複数箇所に露出するようにして前記プレート状基材に点在配置されていることを特徴とする請求項1記載の基板保持搬送用治具を提供する。
請求項4に係る発明は、前記磁気吸引用部材である磁石は、前記基板設置面に設置される前記プリント配線基板側の面に互いに異なる磁極を有することを特徴とする請求項1〜3のいずれかに記載の基板保持搬送用治具を提供する。
請求項5に係る発明は、請求項1〜4のいずれかに記載の基板保持搬送用治具の前記基板設置面に前記プリント配線基板を押さえ込むために用いられる基板押さえ部材であって、その全体あるいは複数箇所が、前記基板保持搬送用治具の磁気吸引用部材との間に磁気吸引力を発生するための永久磁石あるいは磁性体とされていることを特徴とする基板押さえ部材を提供する。
請求項6に係る発明は、前記基板保持搬送用治具の前記基板設置面に重ね合わせたプリント配線基板に積層するようにして設置される板状に形成され、しかも、プリント配線基板の電子部品実装部に対応する位置に開孔を有し、前記プリント配線基板に重ね合わせたときに前記プリント配線基板表面の前記電子部品実装部を除く部分全体を覆う部材である基板表面保護プレートとして機能することを特徴とする請求項5記載の基板押さえ部材を提供する。
請求項7に係る発明は、前記開孔は、前記基板保持搬送用治具の前記磁気吸引用部材に対応する部位を避けた位置に形成されていることを特徴とする請求項6記載の基板押さえ部材を提供する。
請求項8に係る発明は、前記プリント配線基板の外周部に対応する枠状に形成されていることを特徴とする請求項5記載の基板押さえ部材を提供する。
請求項9に係る発明は、請求項1〜4のいずれかに記載の基板保持搬送用治具の前記基板設置面にプリント配線基板を押さえ込んだ請求項5〜8のいずれかに記載の基板押さえ部材の取り外しに用いる押さえ部材取り外し治具であって、前記基板押さえ部材に重ね合わせるようにして当接される当接面を有する当接部材を具備し、この当接部材の前記当接面の前記基板保持搬送用治具の前記永久磁石の磁極に対応する位置に前記永久磁石の磁極と同一の磁極を有することを特徴とする押さえ部材取り外し治具を提供する。
請求項10に係る発明は、前記基板保持搬送用治具の永久磁石の磁極に対応する磁極を形成する磁石が前記当接部材の複数箇所に設けられていることを特徴とする請求項9記載の押さえ部材取り外し治具を提供する。
請求項11に係る発明は、請求項6又は7記載の基板押さえ部材を用いてプリント配線基板を請求項1〜4のいずれかに記載の基板保持搬送用治具の基板設置面に押さえ込んだ状態にて、前記電子部品実装部へのクリームはんだの印刷を行う際に、前記基板押さえ部材に重ね合わせるように設置して用いるメタルマスク版であって、前記基板押さえ部材の前記開孔以外の部分を非接触で収納する凹所パターンと、前記プリント配線基板の電子部品実装部の前記クリームはんだの印刷を行う領域に対応する孔パターンとが形成されていることを特徴とするメタルマスク版を提供する。
請求項12に係る発明は、プリント配線基板を、請求項5〜8のいずれかに記載の基板押さえ部材を用いて請求項1〜4のいずれかに記載の基板保持搬送用治具の基板設置面に押さえ込んで搬送することを特徴とする基板搬送方法を提供する。
請求項13に係る発明は、プリント配線基板を前記基板押さえ部材を用いて前記基板保持搬送用治具の基板設置面に押さえ込んだ状態で前記基板押さえ部材を取り外す押さえ解除位置まで前記基板保持搬送用治具とともに搬送し、前記押さえ解除位置にて請求項9又は10記載の押さえ部材取り外し治具を用いて前記基板押さえ部材を取り外すことを特徴とする請求項12記載の基板搬送方法を提供する。
請求項14に係る発明は、前記基板保持搬送用治具として、前記基板保持搬送用治具にその前記基板設置面に重ね合わすようにして設置されたプリント配線基板を前記基板設置面から離隔させる突き出しピンを挿入するためのピン挿入孔が貫設されているものを用い、前記基板押さえ部材の取り外しと同時あるいは基板押さえ部材の取り外し完了後に、前記ピン挿入孔に挿入した突き出しピンによってプリント配線基板を前記基板設置面から離隔させることを特徴とする請求項13記載の基板搬送方法を提供する。
請求項15に係る発明は、プリント配線基板に電子部品を実装してなる電子部品付き配線基板を製造するための電子部品付き配線基板の製造方法であって、前記電子部品付き配線基板を製造するためにプリント配線基板の電子部品実装部について行う製造工程であり、クリームはんだの印刷、電子部品のマウント、前記クリームはんだのリフローのうち、前記電子部品のマウントを含む1以上の工程を有し、この工程の1又は複数を請求項6〜8のいずれかに記載の基板押さえ部材を用いて請求項1〜4のいずれかに記載の基板保持搬送用治具の基板設置面にプリント配線基板を押さえ込んだ状態にて行うことを特徴とする電子部品付き配線基板の製造方法を提供する。
請求項16に係る発明は、前記工程として、前記プリント配線基板の電子部品実装部へのクリームはんだの印刷を含む1以上を有し、この工程のうちクリームはんだの印刷を、請求項6又は7記載の基板押さえ部材を用いてプリント配線基板を請求項1〜4のいずれかに記載の基板保持搬送用治具の基板設置面に押さえ込み、さらに、前記基板押さえ部材に請求項11記載のメタルマスク版を重ね合わせるように設置した状態にて行うことを特徴とする請求項15記載の電子部品付き配線基板の製造方法を提供する。
請求項17に係る発明は、請求項1〜4のいずれかに記載の基板保持搬送用治具が取り付けられる搬送アームと、この搬送アームを移動させるアーム移動装置とを具備し、プリント配線基板を前記搬送アームに取り付けられた前記基板保持搬送用治具と請求項5〜8のいずれかに記載の基板押さえ部材との間に挟み込んだ状態で搬送可能とされていることを特徴とする基板搬送装置を提供する。
請求項18に係る発明は、前記搬送アームに、前記基板保持搬送用治具を着脱可能に保持する治具保持部が設けられていることを特徴とする請求項17記載の基板搬送装置を提供する。
In order to solve the above problems, the present invention provides the following configuration.
The invention according to claim 1 is a plate-like substrate holding and conveying jig used for conveying the printed wiring board, which has a substrate installation surface on which the printed wiring boards are installed so as to overlap each other. A weak pressure-sensitive adhesive layer for holding the printed wiring board is provided at a plurality of locations on the base material so as to form a part of the board installation surface, and further along the substrate installation surface of the plate-like base material A magnetic attraction member, which is a permanent magnet or a magnetic material, is provided at a plurality of locations, and the substrate pressing member is installed on a substrate pressing member installed on the side opposite to the plate-like substrate of the printed wiring board installed on the substrate installation surface. The printed wiring board can be held by applying a magnetic attractive force between the magnetic body or permanent magnet provided on the member and the magnetic attractive member of the plate-like base material. Providing a substrate holding transport jig characterized by Rukoto.
The invention according to claim 2 is characterized in that the magnetic attraction member is provided on a side opposite to the substrate installation surface of the weak pressure-sensitive adhesive layer and is dispersedly arranged at a plurality of locations on the plate-like base material. A substrate holding and conveying jig according to claim 1 is provided.
The invention according to claim 3 is the substrate according to claim 1, wherein the magnetic attraction members are scattered on the plate-like base material so as to be exposed at a plurality of locations on the substrate installation surface. A holding and conveying jig is provided.
The invention according to claim 4 is characterized in that the magnet as the member for magnetic attraction has different magnetic poles on the surface of the printed wiring board side installed on the board installation surface. A substrate holding and conveying jig according to any one of the above is provided.
The invention according to claim 5 is a board pressing member used for pressing the printed wiring board onto the board installation surface of the board holding and conveying jig according to any one of claims 1 to 4, Alternatively, there is provided a substrate pressing member characterized in that a plurality of locations are permanent magnets or magnetic bodies for generating a magnetic attractive force between the magnetic holding member of the substrate holding and conveying jig.
The invention according to claim 6 is formed in a plate shape that is installed so as to be laminated on a printed wiring board superimposed on the board installation surface of the substrate holding and conveying jig, and an electronic component of the printed wiring board It has an opening at a position corresponding to the mounting portion, and functions as a substrate surface protection plate that is a member that covers the entire portion of the printed wiring board surface excluding the electronic component mounting portion when superimposed on the printed wiring board. The substrate pressing member according to claim 5 is provided.
According to a seventh aspect of the present invention, in the substrate according to the sixth aspect, the opening is formed at a position avoiding a portion corresponding to the magnetic attraction member of the substrate holding and conveying jig. A holding member is provided.
According to an eighth aspect of the present invention, there is provided the substrate pressing member according to the fifth aspect, wherein the substrate pressing member is formed in a frame shape corresponding to an outer peripheral portion of the printed wiring board.
The invention according to claim 9 is the substrate pressing member according to any one of claims 5 to 8, wherein a printed wiring board is pressed into the substrate mounting surface of the substrate holding and conveying jig according to any one of claims 1 to 4. A pressing member removing jig used for removing a member, comprising: a contact member having a contact surface that is contacted so as to overlap the substrate pressing member; There is provided a pressing member removing jig having the same magnetic pole as that of the permanent magnet at a position corresponding to the magnetic pole of the permanent magnet of the substrate holding and conveying jig.
The invention according to claim 10 is characterized in that magnets forming magnetic poles corresponding to the magnetic poles of the permanent magnets of the substrate holding and conveying jig are provided at a plurality of positions of the contact member. A pressing member removing jig is provided.
The invention which concerns on Claim 11 is the state which pressed down the printed wiring board on the board | substrate installation surface of the board | substrate holding | maintenance conveyance jig in any one of Claims 1-4 using the board | substrate holding member of Claim 6 or 7. And when the cream solder is printed on the electronic component mounting portion, the metal mask plate is used so as to be superimposed on the substrate pressing member, and the portion other than the opening of the substrate pressing member Provided is a metal mask plate characterized in that a recess pattern for storing non-contact and a hole pattern corresponding to a region for printing the cream solder on the electronic component mounting portion of the printed wiring board are formed. To do.
The invention which concerns on Claim 12 uses the board | substrate holding member in any one of Claims 5-8 for the printed wiring board, The board | substrate installation of the board | substrate holding | maintenance conveyance jig in any one of Claims 1-4 Provided is a substrate transfer method, wherein the substrate is transferred while being pressed onto a surface.
According to a thirteenth aspect of the present invention, the printed circuit board is used for holding and transporting the substrate up to a pressing release position where the substrate pressing member is removed while the printed circuit board is pressed onto the substrate installation surface of the substrate holding and conveying jig. The substrate transporting method according to claim 12, wherein the substrate pressing member is transported together with a jig and the substrate pressing member is removed using the pressing member removing jig according to claim 9 or 10 at the pressing release position.
According to a fourteenth aspect of the present invention, as the substrate holding / conveying jig, a printed wiring board installed on the substrate holding / conveying jig so as to overlap the substrate installing surface is separated from the substrate installing surface. A printed wiring board is used that has a pin insertion hole for inserting a protrusion pin, and is inserted into the pin insertion hole at the same time as the substrate pressing member is removed or after the substrate pressing member is completely removed. The substrate transport method according to claim 13, wherein the substrate is separated from the substrate installation surface.
The invention according to claim 15 is a method of manufacturing a wiring board with an electronic component for manufacturing a wiring board with an electronic component obtained by mounting an electronic component on a printed wiring board, wherein the wiring board with an electronic component is manufactured. It is a manufacturing process to be performed for an electronic component mounting portion of a printed wiring board, and includes one or more steps including cream solder printing, electronic component mounting, and reflowing the cream solder, including mounting the electronic component, The printed wiring board is placed on the substrate installation surface of the substrate holding and conveying jig according to any one of claims 1 to 4 by using one or more of the steps using the substrate pressing member according to any one of claims 6 to 8. Provided is a method of manufacturing a wiring board with electronic components, which is performed in a pressed state.
The invention according to claim 16 has one or more including cream solder printing on the electronic component mounting portion of the printed wiring board as the step, and the cream solder printing is included in this step. The printed circuit board is pressed onto the substrate mounting surface of the substrate holding and conveying jig according to any one of claims 1 to 4 using the substrate pressing member according to claim 1, and the metal mask according to claim 11 is further pressed onto the substrate pressing member. 16. The method of manufacturing a wiring board with electronic components according to claim 15, wherein the method is performed in a state where the plates are placed so as to overlap each other.
The invention according to claim 17 is provided with a transfer arm to which the substrate holding and transfer jig according to any one of claims 1 to 4 is attached, and an arm moving device for moving the transfer arm. 9. A substrate transport characterized in that the substrate can be transported in a state of being sandwiched between the substrate holding / conveying jig attached to the transport arm and the substrate pressing member according to claim 5. Providing equipment.
According to an eighteenth aspect of the present invention, there is provided the substrate transfer apparatus according to the seventeenth aspect, wherein the transfer arm is provided with a jig holding portion that detachably holds the substrate holding transfer jig. To do.

本発明によれば、基板保持搬送用治具と基板押さえ部材との間に作用する磁気吸引力によって基板保持搬送用治具と基板押さえ部材との間にプリント配線基板を挟み込むことで、弱粘着剤層の粘着力を高めなくてもプリント配線基板の反りを防止できる。しかも、基板保持搬送用治具の弱粘着剤層のサイズ(基板保持搬送用治具の基板設置面における弱粘着剤層の露出部分の面積)を小型化することができる。本発明に係る基板保持搬送用治具の弱粘着剤層は、基板保持搬送用治具の複数箇所に点在するように配置されており、前記磁気吸引力によってプリント配線基板の反りを防止できることから、基板設置面における弱粘着剤層の面積は小さくて済むため、治具からの基板の剥離による静電気の帯電を抑えることができる。弱粘着剤層の面積は小さくて済むことは、低分子量シロキサンの基板への転写(特にリフロー工程での転写)を防ぐ点でも有効である。
弱粘着剤層の粘着力によってプリント配線基板の基板保持搬送用治具の面方向への位置ずれを防止できることは言うまでも無い。
According to the present invention, the printed circuit board is sandwiched between the substrate holding / conveying jig and the substrate pressing member by the magnetic attractive force acting between the substrate holding / conveying jig and the substrate pressing member. Warping of the printed wiring board can be prevented without increasing the adhesive strength of the agent layer. In addition, the size of the weak adhesive layer of the substrate holding and conveying jig (the area of the exposed portion of the weak adhesive layer on the substrate installation surface of the substrate holding and conveying jig) can be reduced. The weak adhesive layer of the substrate holding and conveying jig according to the present invention is disposed so as to be scattered at a plurality of locations of the substrate holding and conveying jig, and can prevent the printed wiring board from being warped by the magnetic attraction force. Therefore, since the area of the weak adhesive layer on the substrate installation surface can be small, static electricity due to peeling of the substrate from the jig can be suppressed. The small area of the weak pressure-sensitive adhesive layer is also effective in preventing transfer of low molecular weight siloxane to the substrate (especially transfer in the reflow process).
Needless to say, the adhesive force of the weak adhesive layer can prevent displacement of the printed wiring board in the surface direction of the substrate holding and conveying jig.

本発明の1実施形態の基板保持搬送用治具の構造を示す図であって、(a)は正断面図、(b)は該治具の基板設置面上にプリント配線基板及び基板押さえ部材(基板表面保護プレート)を重ね合わせるようにして設置した状態を示す正断面図である。It is a figure which shows the structure of the jig | tool for board | substrate holding | maintenance conveyance of 1 embodiment of this invention, Comprising: (a) is a front sectional view, (b) is a printed wiring board and board | substrate holding member on the board | substrate installation surface of this jig | tool. It is a front sectional view which shows the state installed so that it may superimpose (substrate surface protection plate). 図1の基板保持搬送用治具の弱粘着剤層及び永久磁石の付近を示す拡大断面図である。It is an expanded sectional view which shows the weak adhesive layer and permanent magnet vicinity of the board | substrate holding | maintenance conveyance jig | tool of FIG. (a)は本発明に係る基板押さえ部材(基板押さえ枠)の一例を示す斜視図、(b)は基板押さえ部材(基板押さえ枠)の別態様を示す斜視図である。(A) is a perspective view which shows an example of the board | substrate holding member (board | substrate holding frame) which concerns on this invention, (b) is a perspective view which shows another aspect of a board | substrate holding member (board | substrate holding frame). 本発明に係る基板押さえ部材(基板表面保護プレート)を示す斜視図である。It is a perspective view which shows the board | substrate holding member (board | substrate surface protection plate) which concerns on this invention. 図1の基板保持搬送用治具の永久磁石の配置状態を示す平面透視図である。It is a plane perspective view which shows the arrangement | positioning state of the permanent magnet of the jig | tool for board | substrate holding | maintenance conveyance of FIG. (a)〜(c)は本発明に係る基板保持搬送用治具に設けられる永久磁石の別態様を示す図である。(A)-(c) is a figure which shows another aspect of the permanent magnet provided in the jig | tool for board | substrate holding | maintenance conveyance based on this invention. 本発明に係るメタルマスク版を示す図であって、メタルマスク版を基板押さえ部材(基板表面保護プレート)上に重ね合わせるようにして設置した状態を示す正断面図である。It is a figure which shows the metal mask plate which concerns on this invention, Comprising: It is a front sectional view which shows the state installed so that a metal mask plate might be piled up on a board | substrate holding member (board | substrate surface protection plate). 本発明に係る押さえ部材取り外し治具を説明する図であって、板状の当接部材を基板押さえ部材(基板表面保護プレート)に重ね合わせるようにして設置した状態を示す正断面図である。It is a figure explaining the holding member removal jig | tool which concerns on this invention, Comprising: It is a front sectional view which shows the state installed so that a plate-shaped contact member may be piled up on a board | substrate holding member (board | substrate surface protection plate). 図8の押さえ部材取り外し治具の構造を説明する図であって、(a)は平面図、(b)は永久磁石付近を示す断面図である。It is a figure explaining the structure of the pressing member removal jig | tool of FIG. 8, Comprising: (a) is a top view, (b) is sectional drawing which shows the permanent magnet vicinity. 本発明に係る別態様の基板保持搬送用治具の構造を示す図であって、(a)は正断面図、(b)は該治具の基板設置面上にプリント配線基板及び基板押さえ部材(基板表面保護プレート)を重ね合わせるようにして設置した状態を示す正断面図である。It is a figure which shows the structure of the jig | tool for board | substrate holding | maintenance conveyance of another aspect which concerns on this invention, Comprising: (a) is front sectional drawing, (b) is a printed wiring board and board | substrate holding member on the board | substrate installation surface of this jig | tool. It is a front sectional view which shows the state installed so that it may superimpose (substrate surface protection plate). 本発明に係る基板搬送装置の一例であるアーム式搬送装置を示す斜視図である。It is a perspective view which shows the arm type conveying apparatus which is an example of the board | substrate conveying apparatus which concerns on this invention.

以下、本発明の1実施形態について、図面を参照して説明する。
図1(a)、(b)は本発明に係る基板保持搬送用治具10の一例を示す。
なお、図1(a)、(b)〜図3において、上側を上、下側を下として説明する。
また、後述の図4、図6(a)〜(c)、図7、図8、図9(b)、図10(a)、(b)、図11についても、上側を上、下側を下として説明する。
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
1A and 1B show an example of a substrate holding / conveying jig 10 according to the present invention.
In FIGS. 1A and 1B to FIG. 3, description will be made with the upper side as the upper side and the lower side as the lower side.
4, 6 (a) to (c), FIG. 7, FIG. 8, FIG. 9 (b), FIG. 10 (a), (b), and FIG. Will be described below.

この基板保持搬送用治具10(以下、単に治具とも言う)は、プリント配線基板1(以下、単に基板とも言う)に半導体素子、ICチップ等の電子部品を実装して電子部品付き配線基板を得る実装工程(電子部品付き配線基板の製造方法)における基板1の搬送に用いられるものであり、図1(a)、(b)に示すように、前記基板1が重ね合わせるようにして設置される基板設置面11を有するプレート状に形成されている。基板設置面11はプレート状の治具10の片面である。なお、治具10の基板設置面11とは反対側の面については、以下、底面15と称して説明する。   This substrate holding and conveying jig 10 (hereinafter also simply referred to as a jig) is a printed circuit board 1 (hereinafter also simply referred to as a substrate) on which electronic components such as semiconductor elements and IC chips are mounted and a wiring substrate with electronic components. As shown in FIGS. 1 (a) and 1 (b), the substrate 1 is placed so as to be superposed, as shown in FIGS. 1 (a) and 1 (b). It is formed in a plate shape having a substrate mounting surface 11 to be formed. The substrate installation surface 11 is one side of the plate-like jig 10. The surface of the jig 10 opposite to the substrate installation surface 11 will be described as a bottom surface 15 below.

前記基板1は、ここでは、フレキシブルプリント配線基板、板厚0.5mm以下の薄いリジットプリント配線基板といった、シート状のプリント配線基板である。   Here, the substrate 1 is a sheet-like printed wiring board such as a flexible printed wiring board or a thin rigid printed wiring board having a thickness of 0.5 mm or less.

図1(a)、(b)において、この基板保持搬送用治具10は、プレート状基材12の複数箇所に前記基板1を保持するための弱粘着剤層13と永久磁石14とを設けた構成になっている。   1A and 1B, the substrate holding and conveying jig 10 is provided with a weak adhesive layer 13 and a permanent magnet 14 for holding the substrate 1 at a plurality of locations on a plate-like base material 12. It has a configuration.

プレート状基材12の材質としては、例えばガラスエポキシ等の樹脂材料、アルミニウム、ステンレス、マグネシウム合金等の金属材料等を挙げることができる。このプレート状基材12の材質としては、クリームはんだのリフロー時の加熱温度にて強度等の特性を安定に維持できる耐熱性に優れるものを採用する。   Examples of the material of the plate-like substrate 12 include resin materials such as glass epoxy, metal materials such as aluminum, stainless steel, and magnesium alloy. As the material of the plate-like substrate 12, a material having excellent heat resistance that can stably maintain properties such as strength at the heating temperature during reflow of cream solder is adopted.

前記弱粘着剤層13は、プレート状基材12の片面(基板設置面11を形成する面。以下、上面とも言う。符号12a)から窪むように形成された凹所12b内に、プレート状基材12の上面12aに略面一になるようにして設けられている。この治具10の基板設置面11は、プレート状基材12の上面12aと弱粘着剤層13とによって形成されている。
前記凹所12bはプレート状基材12の上面12aの複数箇所(多数箇所)に形成されており、前記粘着剤層13は、プレート状基材12の上面12a側の複数箇所(多数箇所)に点在するようにして設けられている(図3参照)。
The weak pressure-sensitive adhesive layer 13 has a plate-like base material in a recess 12b formed so as to be recessed from one side of the plate-like base material 12 (the surface on which the substrate installation surface 11 is formed; hereinafter also referred to as the upper surface, reference numeral 12a). 12 are provided so as to be substantially flush with the upper surface 12a of the twelve. The substrate installation surface 11 of the jig 10 is formed by the upper surface 12 a of the plate-like base material 12 and the weak adhesive layer 13.
The recesses 12b are formed at a plurality of locations (multiple locations) on the upper surface 12a of the plate-like substrate 12, and the adhesive layer 13 is formed at a plurality of locations (multiple locations) on the upper surface 12a side of the plate-like substrate 12. It is provided so as to be scattered (see FIG. 3).

永久磁石14(以下、単に磁石とも言う)は、プレート状基材12の複数箇所(多数箇所)に点在配置されている各弱粘着剤層13の前記基板設置面11とは反対の側に設けられている。
この磁石14は、前記凹所12bの底部の一部に形成された窪みである磁石収納部12c内に収納されており、該磁石14上を覆うように設けられている前記弱粘着剤層13によって磁石収納部12c内に押さえ込まれ凹所12bからの抜け出しが規制されている。
Permanent magnets 14 (hereinafter also simply referred to as magnets) are arranged on the side opposite to the substrate mounting surface 11 of each weak pressure-sensitive adhesive layer 13 that is disposed in a plurality of locations (multiple locations) of the plate-like substrate 12. Is provided.
The magnet 14 is housed in a magnet housing portion 12c which is a depression formed in a part of the bottom of the recess 12b, and the weak pressure-sensitive adhesive layer 13 is provided so as to cover the magnet 14. Thus, it is pressed into the magnet housing portion 12c and is prevented from coming out of the recess 12b.

なお、弱粘着剤層13は、例えば耐熱性の両面粘着テープや接着剤等の固定手段を用いることなどによってプレート状基材12に固定しておく。   The weak pressure-sensitive adhesive layer 13 is fixed to the plate-like substrate 12 by using a fixing means such as a heat-resistant double-sided pressure-sensitive adhesive tape or an adhesive.

図2は前記弱粘着剤層13の一例を示す。
図示例の弱粘着剤層13は、具体的には、ガラスエポキシ層13aの両面に、弱粘着性樹脂を膜状(弱粘着性樹脂膜13b、13c)に設けたものである。この弱粘着剤層13は、両面の弱粘着性樹脂膜13b、13cの片方(図示例では符号13bの弱粘着性樹脂膜)がプレート状基材12の上面12aに略面一になるようにして前記凹所12bに収納して設けられている。ガラスエポキシ層13aの厚さは例えば100μm程度、ガラスエポキシ層13aの両面の弱粘着性樹脂膜13b、13cの厚さは例えば50〜100μm程度である。
FIG. 2 shows an example of the weak pressure-sensitive adhesive layer 13.
Specifically, the weak pressure-sensitive adhesive layer 13 in the illustrated example is obtained by providing a weak pressure-sensitive resin in a film form (weak pressure-sensitive resin films 13b and 13c) on both surfaces of the glass epoxy layer 13a. The weak adhesive layer 13 is formed so that one side of the weak adhesive resin films 13b and 13c on both sides (the weak adhesive resin film 13b in the illustrated example) is substantially flush with the upper surface 12a of the plate-like substrate 12. And stored in the recess 12b. The thickness of the glass epoxy layer 13a is about 100 μm, for example, and the thickness of the weak adhesive resin films 13b and 13c on both sides of the glass epoxy layer 13a is about 50 to 100 μm, for example.

弱粘着剤層13の上面13d(図2の弱粘着性樹脂膜13bにあってはそのガラスエポキシ層13aとは反対側の面)は、プレート状基材12の上面12aと一致あるいは前記上面12aよりも僅かに下側(例えばプレート状基材12の上面12aから下方へ50μmまでの範囲)に位置している。つまり、弱粘着剤層13はプレート状基材12の上面12aから突出していない。弱粘着剤層13の上面13dがプレート状基材12の上面12aから僅かに下側に位置する構成であっても、基板1の僅かな撓みなどによって、弱粘着剤層13に対する基板1の接触、弱粘着剤層13による基板1の粘着保持を実現できる。
この構成であれば、基板設置面11に設置された基板1が基板設置面11全体に密着しやすくなり、基板1の基板設置面11からの浮き上がり部分の発生を防ぐ点で有利である。
弱粘着剤層13の粘着力(上面13dでの測定値。)は0.01〜0.10N/25mm(測定法:JIS Z 0237)であることが好ましい。
なお、本発明に係る治具10は、弱粘着剤層13が、プレート状基材12の上面12aから僅かに突出した構成も含む。
The upper surface 13d of the weak adhesive layer 13 (the surface opposite to the glass epoxy layer 13a in the case of the weak adhesive resin film 13b in FIG. 2) coincides with the upper surface 12a of the plate-like substrate 12 or the upper surface 12a. It is located slightly below (for example, a range from the upper surface 12a of the plate-like base material 12 downward to 50 μm). That is, the weak adhesive layer 13 does not protrude from the upper surface 12 a of the plate-like substrate 12. Even if the upper surface 13d of the weak pressure-sensitive adhesive layer 13 is positioned slightly below the upper surface 12a of the plate-like base material 12, the substrate 1 contacts the weak pressure-sensitive adhesive layer 13 due to slight bending of the substrate 1 or the like. In addition, it is possible to realize the adhesion holding of the substrate 1 by the weak adhesive layer 13.
This configuration is advantageous in that the substrate 1 installed on the substrate installation surface 11 can easily adhere to the entire substrate installation surface 11, and the occurrence of a floating portion of the substrate 1 from the substrate installation surface 11 is prevented.
The adhesive strength of the weak pressure-sensitive adhesive layer 13 (measured value on the upper surface 13d) is preferably 0.01 to 0.10 N / 25 mm (measurement method: JIS Z 0237).
The jig 10 according to the present invention includes a configuration in which the weak adhesive layer 13 slightly protrudes from the upper surface 12a of the plate-like substrate 12.

図1(a)、(b)に示すように、この治具10は、基板1を、該治具10の磁石14によって磁気吸引可能な基板押さえ部材20と該治具10との間に挟み込むようにして保持した状態で、基板1の搬送に用いられる。
図3(a)、(b)、図4に、この基板押さえ部材20の具体例を示す。
As shown in FIGS. 1A and 1B, the jig 10 sandwiches the substrate 1 between the jig 10 and a substrate pressing member 20 that can be magnetically attracted by the magnet 14 of the jig 10. In this state, the substrate 1 is used for transporting the substrate 1.
3A, 3B, and 4 show specific examples of the substrate pressing member 20. FIG.

図3(a)、(b)に示す基板押さえ部材(区別のため、図3(a)の基板押さえ部材に図中符号20A、図3(b)の基板押さえ部材に符号20Bを付記する)は、矩形板状の治具10に配列設置された各弱粘着剤層13、磁石14の配列に対応する枠状に形成されている。以下、この基板押さえ部材20A、20Bを基板押さえ枠とも言う。   Substrate pressing member shown in FIGS. 3 (a) and 3 (b) (for the sake of distinction, the substrate pressing member in FIG. 3 (a) is indicated by reference numeral 20A in the figure, and the substrate pressing member in FIG. 3 (b) is indicated by reference numeral 20B). Are formed in a frame shape corresponding to the arrangement of the weak adhesive layers 13 and the magnets 14 arranged in a rectangular plate-shaped jig 10. Hereinafter, the substrate pressing members 20A and 20B are also referred to as substrate pressing frames.

図3(a)、(b)に示すように、基板1の複数箇所には、電子部品が実装される電子部品実装部1bが設けられている。図7に示すように、前記電子部品実装部1bには、半導体素子、ICチップ等の電子部品を基板1の回路配線と電気的に接続するためのパッド1c(電極)が設けられている。治具10における弱粘着剤層13及び磁石14の設置位置は、基板設置面11上に重ね合わされる基板1における電子部品実装部1bの設置位置を避けて、基板1において電子部品実装部1bが設けられていない領域(後述の押さえ代1a及び内側非実装領域1d)に対応している。
基板押さえ枠20A、20Bの形状も基板1において電子部品実装部1bが設けられていない領域(後述の押さえ代1a及び内側非実装領域1d)に対応している。
As shown in FIGS. 3A and 3B, electronic component mounting portions 1 b on which electronic components are mounted are provided at a plurality of locations on the substrate 1. As shown in FIG. 7, the electronic component mounting portion 1 b is provided with pads 1 c (electrodes) for electrically connecting electronic components such as semiconductor elements and IC chips with circuit wiring of the substrate 1. The installation position of the weak pressure-sensitive adhesive layer 13 and the magnet 14 in the jig 10 avoids the installation position of the electronic component mounting portion 1b in the substrate 1 superimposed on the substrate installation surface 11, and the electronic component mounting portion 1b in the substrate 1 This corresponds to a region that is not provided (a press margin 1a and an inner non-mounting region 1d described later).
The shapes of the board pressing frames 20A and 20B also correspond to the areas where the electronic component mounting portion 1b is not provided on the board 1 (the pressing margin 1a and the inner non-mounting area 1d described later).

図3(a)、(b)に示すように、基板1の外周部には、電子部品実装部1bが存在しない領域である押さえ代1aが確保されている。
また、基板1の前記電子部品実装部1bは、電子部品が実装される面(電子部品実装部1bが存在する面。以下、実装面とも言う)の押さえ代1aの内側の多数箇所に設けられているが、図示例の基板1は、矩形板状の該基板1の外周の互いに平行な2対の辺のうちの一対の2辺の間の中間部に該2辺に平行に延在するように、電子部品実装部1bが設けられていない領域1d(本明細書において内側非実装領域とも言う)が確保されており、前記電子部品実装部1bは押さえ代1aの内側にて前記内側非実装領域1dの両側に設けられている。
As shown in FIGS. 3A and 3B, a pressing margin 1 a that is an area where the electronic component mounting portion 1 b does not exist is secured on the outer peripheral portion of the substrate 1.
In addition, the electronic component mounting portion 1b of the substrate 1 is provided at a number of locations inside the pressing allowance 1a on the surface on which the electronic component is mounted (the surface on which the electronic component mounting portion 1b exists; hereinafter also referred to as a mounting surface). However, the substrate 1 in the illustrated example extends in parallel to the two sides at an intermediate portion between a pair of two sides of the pair of sides parallel to each other on the outer periphery of the rectangular plate-like substrate 1. As described above, a region 1d (also referred to as an inner non-mounting region in this specification) in which the electronic component mounting portion 1b is not provided is secured, and the electronic component mounting portion 1b is located on the inner side of the press margin 1a. It is provided on both sides of the mounting area 1d.

図3(a)、(b)に示すように、前記治具10において前記弱粘着剤層13は、矩形板状の治具10の外周の四辺のそれぞれに沿って該弱粘着剤層13を配列設置した4本の列131(以下、外側列とも言う)と、互いに平行な2組の外側列131の一方(ひと組)の2本の外側列131の間の中間部に該2本の外側列131に平行となるように該弱粘着剤層13を配列設置してなる列132(以下、中間列とも言う)とを構成している。
前記4本の外側列131は基板1の押さえ代1aに対応して複数の弱粘着剤層13を配列設置したものであり、中間列132は基板1の内側非実装領域1dに対応して複数の弱粘着剤層13を配列設置したものである。
この実施形態の治具10は、磁石14を各弱粘着剤層13の下側に備えている構成であるため、磁石14は、弱粘着剤層13の設置位置に対応して、弱粘着剤層13と同様に配列設置されている。
As shown in FIGS. 3A and 3B, in the jig 10, the weak adhesive layer 13 is formed along the four sides of the outer periphery of the rectangular plate-shaped jig 10. The two rows 131 arranged in an array (hereinafter also referred to as outer rows) and one of the two outer rows 131 parallel to each other (one set) between the two outer rows 131 are arranged in the middle. A row 132 (hereinafter also referred to as an intermediate row) formed by arranging the weak adhesive layers 13 so as to be parallel to the outer row 131 is formed.
The four outer rows 131 are arranged by arranging a plurality of weak adhesive layers 13 corresponding to the press margin 1a of the substrate 1, and the intermediate rows 132 are arranged corresponding to the inner non-mounting region 1d of the substrate 1. The weak pressure-sensitive adhesive layers 13 are arranged.
Since the jig 10 of this embodiment has a configuration in which the magnets 14 are provided below the weak adhesive layers 13, the magnets 14 correspond to the installation positions of the weak adhesive layers 13 and are weak adhesives. Similar to the layer 13, it is arranged.

基板押さえ枠20A、20Bは、治具10の弱粘着剤層13が構成する4本の外側列131のそれぞれに対応する細長形状の4本の外側押さえ材部25a、25bからなる四角枠状の外枠部26a、26bの内側に、該外枠部26a、26bを構成する2対の外側押さえ材部25a、25bの一方(一対)の2本の外側押さえ材部25a、25bの長手方向中央部同士を橋絡するようにして該2本の外側押さえ材部25a、25bの間に架設状態に設けられた細長形状の中間押さえ材部27a、27bを具備する構成となっている。 基板押さえ枠20A、20Bの外枠部26a、26bは、基板1の外周部の押さえ代1aに対応する枠状に形成されている。そして、この基板押さえ枠20A、20Bは、外枠部26a、26bを基板1の前記押さえ代1aに重ね合わせると、中間押さえ材部27a、27bが基板1の前記内側非実装領域1dに重ね合わされるようになっている。   The substrate pressing frames 20A and 20B are formed in a rectangular frame shape composed of four elongated outer pressing member portions 25a and 25b corresponding to the four outer rows 131 formed by the weak adhesive layer 13 of the jig 10, respectively. Inside the outer frame portions 26a, 26b, the center in the longitudinal direction of one (a pair) of the two outer pressing material portions 25a, 25b constituting the outer frame portions 26a, 26b. In this configuration, elongated intermediate pressing member portions 27a and 27b are provided between the two outer pressing member portions 25a and 25b so as to bridge each other. The outer frame portions 26 a and 26 b of the substrate pressing frames 20 </ b> A and 20 </ b> B are formed in a frame shape corresponding to the pressing margin 1 a on the outer peripheral portion of the substrate 1. When the outer frame portions 26a and 26b are overlapped with the pressing margin 1a of the substrate 1, the intermediate pressing member portions 27a and 27b are overlapped with the inner non-mounting region 1d of the substrate 1. It has become so.

既述のように、治具10の弱粘着剤層13の4本の外側列131、中間列132は、基板1の押さえ代1a及び内側非実装領域1dに対応して設けられており、この治具10を用いて基板1を保持、搬送する際、基板1は、その前記押さえ代1a及び前記内側非実装領域1dを治具10の弱粘着剤層13の4本の外側列131、中間列132に対応させて、治具10の基板設置面11に設置する。また、基板押さえ枠20A、20Bは、外枠部26a、26bを基板1の前記押さえ代1a上に重ね合わせるとともに、中間押さえ材部27a、27bを基板1の前記内側非実装領域1d上に重ね合わせるようにして、基板1の治具10とは反対側の面に当接設置する。
これにより、基板押さえ枠20A、20Bは、外枠部26a、26bを治具10の弱粘着剤層13の4本の外側列131、中間押さえ材部27a、27bを治具10の弱粘着剤層13の中間列132にそれぞれ対応する位置に配置した状態で、治具10への基板1の押さえ込みに用いられる。
As described above, the four outer rows 131 and the intermediate row 132 of the weak adhesive layer 13 of the jig 10 are provided corresponding to the holding allowance 1a and the inner non-mounting region 1d of the substrate 1, When holding and transporting the substrate 1 using the jig 10, the substrate 1 uses the pressing margin 1 a and the inner non-mounting area 1 d as the four outer rows 131 of the weak adhesive layer 13 of the jig 10, Corresponding to the row 132, it is installed on the substrate installation surface 11 of the jig 10. The substrate pressing frames 20A and 20B overlap the outer frame portions 26a and 26b on the pressing margin 1a of the substrate 1 and the intermediate pressing member portions 27a and 27b on the inner non-mounting region 1d of the substrate 1. In such a manner, the substrate 1 is placed in contact with the surface of the substrate 1 opposite to the jig 10.
Accordingly, the substrate pressing frames 20A and 20B have the outer frame portions 26a and 26b as the four outer rows 131 of the weak adhesive layer 13 of the jig 10 and the intermediate pressing material portions 27a and 27b as the weak adhesive of the jig 10. It is used for pressing the substrate 1 into the jig 10 in a state where it is arranged at a position corresponding to each of the intermediate rows 132 of the layer 13.

図3(a)に例示した基板押さえ枠20Aはその全体が磁性体(例えば鉄、ステンレス(例えばSUS430)等の金属製磁性体)によって形成されており、治具10の基板設置面11に重ね合わせるようにして設置された基板1の治具10とは反対側に当接設置することで、治具10の磁石14によって磁気吸引されて基板1を治具10に押さえ込むようになっている。   The substrate holding frame 20A illustrated in FIG. 3A is entirely formed of a magnetic material (for example, a metal magnetic material such as iron or stainless steel (for example, SUS430)) and overlaps the substrate installation surface 11 of the jig 10. By placing the substrate 1 in contact with the jig 10 opposite to the jig 10, the substrate 1 is magnetically attracted by the magnet 14 of the jig 10 to press the substrate 1 into the jig 10.

図3(b)に例示した基板押さえ枠20Bは、プラスチック等の非磁性材料によって形成された枠本体21の複数箇所に、治具10の磁石14との間に磁気吸引力を発生する永久磁石22(以下、押さえ部材磁石とも言う)を固定した構成になっている。この押さえ部材磁石22は、基板押さえ枠20Bを治具10の基板設置面11に設置した基板1上に当接設置したときに治具10の複数箇所に設けられている各磁石14に対応するように枠本体21の複数箇所に設けられている。また、この基板押さえ枠20Bにおいて、前記押さえ部材磁石22は、治具10の磁石14との間に磁気吸引力を発生するために、治具10の磁石14の磁極に対応する位置に前記磁石14とは反対の極性の磁極を有している。   The substrate pressing frame 20B illustrated in FIG. 3B is a permanent magnet that generates a magnetic attractive force between the magnet 14 of the jig 10 at a plurality of locations on the frame main body 21 formed of a nonmagnetic material such as plastic. 22 (hereinafter also referred to as a pressing member magnet) is fixed. The pressing member magnets 22 correspond to the magnets 14 provided at a plurality of locations of the jig 10 when the substrate pressing frame 20B is placed in contact with the substrate 1 installed on the substrate installation surface 11 of the jig 10. In this manner, the frame main body 21 is provided at a plurality of locations. Moreover, in this board | substrate holding | maintenance frame 20B, in order to generate | occur | produce a magnetic attraction force with the magnet 14 of the jig | tool 10, the said pressing member magnet 22 is the said magnet in the position corresponding to the magnetic pole of the magnet 14 of the jig | tool 10. 14 has a magnetic pole of the opposite polarity.

上述の基板押さえ枠20A、20Bは、基板1の押さえ代1a及び内側非実装領域1dに対応する形状に形成されているため、基板1の電子部品実装部1bとの接触を避けて、治具10への基板1の押さえ込みを実現できる。
また、基板押さえ枠20A、20Bは、外枠部26a、26b以外に、該外枠部26a、26bの内側に設けられた中間押さえ材部27a、27bを具備しており、この中間押さえ材部27a,27bによって基板1の中央部の治具10への押さえ込みも実現できる。このため、サイズが大きい基板1の治具10への押さえ込みにも好適に用いることができる。
The above-mentioned substrate holding frames 20A and 20B are formed in a shape corresponding to the holding allowance 1a of the substrate 1 and the inner non-mounting region 1d, so that contact with the electronic component mounting portion 1b of the substrate 1 is avoided. The pressing of the substrate 1 to 10 can be realized.
In addition to the outer frame portions 26a and 26b, the substrate pressing frames 20A and 20B include intermediate pressing member portions 27a and 27b provided inside the outer frame portions 26a and 26b. The pressing of the central portion of the substrate 1 into the jig 10 can be realized by 27a and 27b. For this reason, it can use suitably also for pressing down to the jig | tool 10 of the board | substrate 1 with a large size.

なお、本発明に係る基板押さえ枠としては、例えば中間押さえ材部27a,27bを具備していない構成も採用可能である。
図示例の基板押さえ枠20A、20Bは、外枠部26a、26bの内側に中間押さえ材部27a,27bを一本のみ具備する構成になっているが、基板1の内側非実装領域1dの数が複数である場合は、例えば基板1の内側非実装領域1dの数と同数の中間押さえ材部27a,27bを各内側非実装領域1dに対応する位置に具備する構成としても良い。例えば、基板1の前記押さえ代1aの内側に2本の内側非実装領域1dが互いに交差する十字状に設けられている場合は、基板押さえ枠としても2本の中間押さえ材部が互いに交差する十字状に設けられている構成(換言すれば十字状の中間押さえ材部を具備する構成)とすることが可能である。
但し、中間押さえ材部の本数は、必ずしも内側非実装領域1dの数と同数である必要はなく、内側非実装領域1dの数よりも少なくても良い。
また、中間押さえ材部27a,27bの位置は、基板1における押さえ代1aと内側非実装領域1dとの位置関係に対応して適宜変更可能であることは言うまでも無い。
In addition, as a board | substrate holding frame which concerns on this invention, the structure which is not equipped with the intermediate pressing material parts 27a and 27b is also employable, for example.
The substrate holding frames 20A and 20B in the illustrated example are configured to have only one intermediate pressing member portion 27a and 27b inside the outer frame portions 26a and 26b. However, the number of the inner non-mounting regions 1d of the substrate 1 is as follows. If there are a plurality of intermediate pressing member portions 27a and 27b, for example, as many as the number of the inner non-mounting regions 1d of the substrate 1, it may be provided at positions corresponding to the inner non-mounting regions 1d. For example, when two inner non-mounting regions 1d are provided inside the holding margin 1a of the substrate 1 so as to cross each other, the two intermediate pressing member portions also cross each other as a substrate pressing frame. A configuration provided in a cross shape (in other words, a configuration including a cross-shaped intermediate pressing member) is possible.
However, the number of intermediate pressing member portions is not necessarily the same as the number of inner non-mounting regions 1d, and may be smaller than the number of inner non-mounting regions 1d.
Needless to say, the positions of the intermediate presser member portions 27a and 27b can be changed as appropriate in accordance with the positional relationship between the presser allowance 1a and the inner non-mounting region 1d on the substrate 1.

図4に例示した基板押さえ部材20は、ステンレス等の磁性体金属からなる1枚のシート状部材の複数箇所に、基板1の電子部品実装部1bに対応する開孔23(孔)を形成した構成のもの(基板押さえ部材20C)である。この基板押さえ部材20Cは、基板1の複数の電子部品実装部1bに対応する開孔パターンを有している。   The substrate pressing member 20 illustrated in FIG. 4 has openings 23 (holes) corresponding to the electronic component mounting portions 1b of the substrate 1 formed at a plurality of locations on one sheet-like member made of a magnetic metal such as stainless steel. It has a configuration (substrate pressing member 20C). The board pressing member 20 </ b> C has an opening pattern corresponding to the plurality of electronic component mounting portions 1 b of the board 1.

図4に例示した基板押さえ部材20Cは、治具10の基板設置面11上に設置した基板1上に重ね合わせるようにして設置することで、開孔23によって基板1の電子部品実装部1bを露出させ、基板1の電子部品実装部1b以外の部分を覆った状態とすることができる。また、治具10の磁石14が基板押さえ部材20Cを磁気吸引することで、この基板押さえ部材20Cによって基板1を治具10の基板設置面11に押さえ込んで保持した状態で、基板1の搬送を行うことができる。以下、この基板押さえ部材20Cを基板表面保護プレートとも言う。   The board pressing member 20C illustrated in FIG. 4 is installed so as to be superimposed on the board 1 installed on the board installation surface 11 of the jig 10, so that the electronic component mounting portion 1 b of the board 1 is held by the opening 23. It can be made into the state which exposed and covered parts other than the electronic component mounting part 1b of the board | substrate 1. FIG. Further, the magnet 14 of the jig 10 magnetically attracts the substrate pressing member 20C, so that the substrate 1 is transported in a state where the substrate pressing member 20C presses and holds the substrate 1 on the substrate installation surface 11 of the jig 10. It can be carried out. Hereinafter, the substrate pressing member 20C is also referred to as a substrate surface protection plate.

前記基板表面保護プレート20Cは、既述のように、開孔23によって基板1の電子部品実装部1bを露出させ、基板1の電子部品実装部1b以外の部分を覆った状態とすることができるため、例えば、電子部品実装部1b上への実装部品(電子部品)の設置(マウント)といった工程を行う際に、磁気吸引力によって治具10に基板1を押さえ込むための基板押さえ部材として使用することで、基板1の電子部品実装部1b以外の部分を保護できる。このため、例えば基板1に電子部品をマウントするマウント工程にて基板1に電子部品が衝突した時に生じるはんだの飛散やリフロー工程におけるフラックスの付着といった不都合を防止することができる。
また、この基板表面保護プレート20Cを用いて治具10に基板1を押さえ込んだ状態にて、電子部品実装部1bに印刷して設けたクリームはんだのリフローするリフロー工程を行うことで、リフロー時に弱粘着剤層13の弱粘着性樹脂から発生するアウトガス(低分子量シロキサン)が基板1に付着して電気的信頼性に影響を与えるといった不都合を抑えることができるといった利点がある。
As described above, the substrate surface protection plate 20C can expose the electronic component mounting portion 1b of the substrate 1 through the opening 23 and cover the portion other than the electronic component mounting portion 1b of the substrate 1. Therefore, for example, when performing a process such as mounting (mounting) a mounting component (electronic component) on the electronic component mounting portion 1b, it is used as a substrate pressing member for pressing the substrate 1 into the jig 10 by magnetic attraction. Thereby, parts other than the electronic component mounting part 1b of the board | substrate 1 can be protected. For this reason, for example, it is possible to prevent inconveniences such as scattering of solder that occurs when the electronic component collides with the substrate 1 in the mounting process of mounting the electronic component on the substrate 1 and adhesion of flux in the reflow process.
Further, by performing the reflow process of reflowing the cream solder printed and provided on the electronic component mounting portion 1b in a state where the substrate 1 is pressed into the jig 10 using the substrate surface protection plate 20C, it is weak at the time of reflow. There is an advantage that it is possible to suppress the disadvantage that outgas (low molecular weight siloxane) generated from the weak adhesive resin of the adhesive layer 13 adheres to the substrate 1 and affects the electrical reliability.

一方、図3(a)、(b)に例示した基板押さえ枠20A、20Bは、基板外周部の押さえ代1aを治具10に押さえ込んで基板1の位置ずれを防止できるものであり、例えば基板1にレジストパターンを形成する工程(実装工程の一部。樹脂膜の形成、露光等)等において利用することができる。
また、この基板押さえ枠20A、20Bは、例えば、治具10に基板1を押さえ込んだ基板表面保護プレート20C上に設置して、基板表面保護プレート20Cの外周部を治具10に押さえ込んで治具10に対する基板表面保護プレート20Cの位置ずれを確実に防止すること等にも利用できる。
On the other hand, the substrate pressing frames 20A and 20B illustrated in FIGS. 3A and 3B can prevent the displacement of the substrate 1 by pressing the pressing margin 1a on the outer periphery of the substrate into the jig 10, for example, the substrate 1 can be used in a step of forming a resist pattern (a part of a mounting step; formation of a resin film, exposure, etc.).
Further, the substrate holding frames 20A and 20B are installed, for example, on a substrate surface protection plate 20C in which the substrate 1 is pressed into the jig 10, and the outer periphery of the substrate surface protection plate 20C is pressed into the jig 10 to form a jig. 10 can be used to reliably prevent displacement of the substrate surface protection plate 20C with respect to the substrate 10.

この治具10は、基板1の電子部品実装部1bに電子部品を実装する実装工程(電子部品付き配線基板の製造方法)において基板1の搬送(基板搬送方法)に使用できるものであり、図1(a)、(b)に示すように、該治具10上に重ね合わせるようにして設置された基板1上に基板押さえ部材20を設置し、磁気吸引力を作用させた前記基板押さえ部材20によって基板1を基板設置面11に押さえ込んで保持できるため、例えばリフロー工程等にて生じる基板1の反りを抑えることができる。   The jig 10 can be used for transporting the substrate 1 (substrate transport method) in a mounting process (manufacturing method of a wiring board with electronic components) for mounting electronic components on the electronic component mounting portion 1b of the substrate 1. 1 (a) and 1 (b), the substrate pressing member 20 in which a substrate pressing member 20 is placed on the substrate 1 placed so as to be superimposed on the jig 10 and a magnetic attraction force is applied. Since the substrate 1 can be pressed and held by the substrate installation surface 11 by 20, warpage of the substrate 1 generated in, for example, a reflow process can be suppressed.

また、基板1は、治具10の弱粘着剤層13の粘着力によっても保持されるため、治具10に対する基板設置面11に沿う方向への基板1の位置ずれを防止できる。
特に、図4に例示した基板表面保護プレート20Cを用いて治具10に基板1を押さえ込んだ状態にて基板1を搬送する場合は、この基板1の電子部品実装部1b以外の全ての面積を保持することが可能となるため、基板設置面11に沿う方向への基板1の位置ずれ防止により有効である。
Moreover, since the board | substrate 1 is hold | maintained also by the adhesive force of the weak adhesive layer 13 of the jig | tool 10, the position shift of the board | substrate 1 to the direction along the board | substrate installation surface 11 with respect to the jig | tool 10 can be prevented.
In particular, when the substrate 1 is transported in a state where the substrate 1 is pressed into the jig 10 using the substrate surface protection plate 20C illustrated in FIG. 4, the entire area other than the electronic component mounting portion 1b of the substrate 1 is set. Since it can be held, it is effective in preventing the positional deviation of the substrate 1 in the direction along the substrate installation surface 11.

既述のように基板表面保護プレート20Cの開孔23は基板1の複数の電子部品実装部1bに対応するように基板表面保護プレート20Cの複数箇所(多数箇所)に形成されている。また、図4に示すように、この基板表面保護プレート20Cの開孔23は、治具10の磁石14(図4において弱粘着剤層13の下側に位置する磁石14)に対応する部位を避けた位置に形成されている。図5に示すように、磁石14は、治具10の基板設置面11に沿う方向における多数箇所に点在するように設けられている。治具10の基板設置面11に設置される基板1は、その電子部品実装部1bが治具10の磁石14上を避けた位置となるように位置決めして基板設置面11に設置される。   As described above, the openings 23 of the substrate surface protection plate 20C are formed at a plurality of locations (multiple locations) of the substrate surface protection plate 20C so as to correspond to the plurality of electronic component mounting portions 1b of the substrate 1. Further, as shown in FIG. 4, the opening 23 of the substrate surface protection plate 20C has a portion corresponding to the magnet 14 of the jig 10 (the magnet 14 located below the weak adhesive layer 13 in FIG. 4). It is formed at a position to avoid. As shown in FIG. 5, the magnets 14 are provided so as to be scattered at a number of locations in the direction along the substrate installation surface 11 of the jig 10. The substrate 1 installed on the substrate installation surface 11 of the jig 10 is positioned and installed on the substrate installation surface 11 so that the electronic component mounting portion 1b is positioned away from the magnet 14 of the jig 10.

このため、基板表面保護プレート20Cは、開孔23以外の部分が基板1を介して治具10の磁石14に対面する位置に配置されるのであり、したがって、治具10の基板設置面11に沿う方向における多数箇所に点在するように設けられている磁石14によって基板表面保護プレート20Cの多数箇所が磁気吸引される。その結果、基板表面保護プレート20Cはその片面全体が基板1にしっかりと押し付けられるようになり、これにより治具10の基板設置面11に対する基板1の浮き上がり箇所を容易に解消することができ、基板1の電子部品実装部1b以外の全ての面積を保持することが可能である。   For this reason, the substrate surface protection plate 20C is disposed at a position where the portion other than the opening 23 faces the magnet 14 of the jig 10 through the substrate 1, and accordingly, on the substrate installation surface 11 of the jig 10. The many places of the substrate surface protection plate 20 </ b> C are magnetically attracted by the magnets 14 provided so as to be scattered at many places in the direction along the direction. As a result, the entire surface of the substrate surface protection plate 20C can be firmly pressed against the substrate 1, thereby easily eliminating the floating portion of the substrate 1 relative to the substrate installation surface 11 of the jig 10. It is possible to hold all areas other than one electronic component mounting portion 1b.

治具10の磁石14により発生する磁気吸引力は基板設置面11に沿う方向への基板1の位置ずれ抑制には直接的には殆ど寄与しない。しかしながら、この治具10にあっては、弱粘着剤層13の粘着力によって、治具10の基板設置面11に沿う方向への基板1の位置ずれを防止できるため、基板1の電子部品実装部1bへの電子部品の正確なマウント、接合を可能とする。   The magnetic attractive force generated by the magnet 14 of the jig 10 hardly contributes directly to suppressing the positional deviation of the substrate 1 in the direction along the substrate installation surface 11. However, in the jig 10, the position of the substrate 1 in the direction along the substrate installation surface 11 of the jig 10 can be prevented by the adhesive force of the weak adhesive layer 13. The electronic component can be accurately mounted and joined to the portion 1b.

また、図1(a)、(b)に示すように、この治具10は、磁石14が、プレート状基材12の多数箇所に点在配置されている各弱粘着剤層13の前記基板設置面11とは反対の側に設けられている構成であるため、前記基板押さえ部材20に働く磁気吸引力が基板1を弱粘着剤層13に押し付ける押し付け力として作用する。この結果、基板1を弱粘着剤層13に確実に押し付けることができるから、弱粘着剤層13の粘着力による基板設置面11に沿う方向への基板1の位置ずれをより確実に防止できるといった利点がある。   Further, as shown in FIGS. 1A and 1B, the jig 10 includes the substrate of each weak pressure-sensitive adhesive layer 13 in which magnets 14 are scattered and arranged at a plurality of locations on a plate-like base material 12. Since the structure is provided on the side opposite to the installation surface 11, the magnetic attractive force acting on the substrate pressing member 20 acts as a pressing force that presses the substrate 1 against the weak adhesive layer 13. As a result, the substrate 1 can be reliably pressed against the weak pressure-sensitive adhesive layer 13, so that the position shift of the substrate 1 in the direction along the substrate installation surface 11 due to the adhesive force of the weak pressure-sensitive adhesive layer 13 can be more reliably prevented. There are advantages.

このように、基板1を弱粘着剤層13に確実に押し付けることができる構成であれば、弱粘着剤層13の粘着力を基板設置面11に沿う方向への基板1の位置ずれ防止に有効に機能させることができため、弱粘着剤層13のサイズ(基板設置面11の面方向に露出する面の面積)を小さく抑えることができる。
その結果、弱粘着剤層13を形成するための弱粘着性樹脂の使用量を抑えることができ、リフロー時に弱粘着剤層13の弱粘着性樹脂から発生するアウトガス(低分子量シロキサン)の発生量を少なく抑えることができるといった優れた効果が得られる。
Thus, if it is the structure which can press the board | substrate 1 against the weak adhesive layer 13 reliably, it will be effective in the positional offset of the board | substrate 1 to the direction in alignment with the board | substrate installation surface 11 with the adhesive force of the weak adhesive layer 13 Therefore, the size of the weak pressure-sensitive adhesive layer 13 (the area of the surface exposed in the surface direction of the substrate installation surface 11) can be kept small.
As a result, the amount of weak adhesive resin used to form the weak adhesive layer 13 can be suppressed, and the amount of outgas (low molecular weight siloxane) generated from the weak adhesive resin of the weak adhesive layer 13 during reflow. As a result, an excellent effect can be obtained.

また、治具10から基板1を離脱(剥離)させる際の静電気の発生も非常に低いレベルに抑えることができる。
本発明者の検証では、基板設置面全体が弱粘着剤層となっている治具を用意し該治具から基板1を離脱(剥離)させた際の静電気を計測したところ計測値は30kV程度であったが、弱粘着剤層を上述のように点在配置した構成の治具10では基板1を離脱(剥離)したときの静電気の計測値を10V以下にまで低下させることができた。
In addition, generation of static electricity when the substrate 1 is detached (peeled) from the jig 10 can be suppressed to a very low level.
According to the inventor's verification, when a jig in which the entire substrate mounting surface is a weak adhesive layer is prepared and static electricity is measured when the substrate 1 is detached (peeled) from the jig, the measured value is about 30 kV. However, in the jig 10 having the configuration in which the weak adhesive layers are interspersed as described above, the measured value of static electricity when the substrate 1 is detached (peeled) can be reduced to 10 V or less.

また、この治具10によれば、その基板設置面11に重ね合わせるように設置した基板1上に基板押さえ部材20を設置するだけで、治具10と基板押さえ部材20との間に作用する磁気吸引力によって治具10と基板押さえ部材20との間に基板1を挟み込むようにして保持できるため、既述の検討例の構成に比べて、基板1の搬送に要する手間は格段に軽減できる。また、検討例の位置決めピンのような精密加工部品は不要であり、基板への精密な孔加工等も必要無い。これにより、基板1の反りの抑制及び搬送用の治具10に対する位置ずれ防止を容易に実現できる。   Further, according to the jig 10, it is possible to operate between the jig 10 and the substrate pressing member 20 only by installing the substrate pressing member 20 on the substrate 1 installed so as to overlap the substrate setting surface 11. Since the substrate 1 can be sandwiched and held between the jig 10 and the substrate pressing member 20 by the magnetic attraction force, the labor required for transporting the substrate 1 can be greatly reduced as compared with the configuration of the above-described examination example. . In addition, a precision machined part such as the positioning pin in the examination example is unnecessary, and precise hole machining or the like on the substrate is not necessary. Accordingly, it is possible to easily suppress the warpage of the substrate 1 and prevent the positional deviation with respect to the conveying jig 10.

ここでは、基板1表面にフォトレジスト膜(樹脂膜)を形成した後、フォトレジスト膜の露光工程を基板1のフォトレジスト膜に重ね合わせたネガフィルム及び基板1を図3(a)、(b)に例示した基板押さえ枠20A、20Bを用いて治具10に押さえ込んだ状態で行い、次いで、図4に例示した基板表面保護プレート20Cを用いて治具10に基板1を押さえ込んだ状態を維持したまま、クリームはんだの印刷、電子部品のマウント(設置)、前記クリームはんだのリフローといった工程を行う製造方法を例示する。
クリームはんだの印刷、電子部品のマウント(設置)、前記クリームはんだのリフローは、図4に例示した基板表面保護プレート20Cを用いて治具10に基板1を押さえ込んだ状態を維持したまま行うので、本発明に係る基板搬送方法を実施することとなる。
なお、基板1表面にフォトレジスト膜(樹脂膜)を形成するための樹脂材料の塗布、塗布した樹脂材料の固化によるフォトレジスト膜の形成も図3(a)、(b)に例示した基板押さえ枠20A、20Bを用いて治具10に押さえ込んだ状態で行っても良いことは言うまでも無い。
Here, a negative film in which a photoresist film (resin film) is formed on the surface of the substrate 1 and then the photoresist film exposure process is superimposed on the photoresist film of the substrate 1 and the substrate 1 are shown in FIGS. ) And the substrate pressing frames 20A and 20B illustrated in FIG. 4), and the substrate 1 is held in the jig 10 using the substrate surface protection plate 20C illustrated in FIG. A manufacturing method for performing processes such as printing of cream solder, mounting (installation) of electronic components, and reflow of the cream solder is illustrated.
Since the printing of cream solder, mounting (installation) of electronic components, and reflow of the cream solder are performed while maintaining the state in which the substrate 1 is pressed into the jig 10 using the substrate surface protection plate 20C illustrated in FIG. The substrate carrying method according to the present invention will be carried out.
In addition, the application of the resin material for forming the photoresist film (resin film) on the surface of the substrate 1 and the formation of the photoresist film by solidifying the applied resin material are also shown in FIGS. 3A and 3B. Needless to say, it may be performed in a state where it is pressed into the jig 10 using the frames 20A and 20B.

また、本発明に係る電子部品付き配線基板の製造方法は、治具10と基板押さえ部材20との間に基板1を挟み込んだ状態(基板押さえ部材20によって基板1を治具10に押さえ込んだ状態)にて基板1を搬送(工程間での基板1の搬送)する工程(基板搬送方法)を含んでいても良いことは言うまでも無い。
基板1の搬送は、ベルトコンベア等のコンベア装置(基板搬送装置)による搬送、搬送アームに保持した状態での搬送(アーム式搬送装置(基板搬送装置)のアームによる搬送)等を挙げることができる。治具10と基板押さえ部材20との間に基板1を挟み込んだ状態で搬送することで、治具10に対する基板1の位置ずれ(基板設置面11に沿った方向での位置ずれ)を防止することができる。
In the method for manufacturing a wiring board with electronic components according to the present invention, the substrate 1 is sandwiched between the jig 10 and the substrate pressing member 20 (the substrate 1 is pressed into the jig 10 by the substrate pressing member 20). It is needless to say that a process (substrate transport method) for transporting the substrate 1 (transporting the substrate 1 between processes) may be included.
Transport of the substrate 1 can include transport by a conveyor device (substrate transport device) such as a belt conveyor, transport in a state of being held by a transport arm (transport by an arm of an arm type transport device (substrate transport device)), and the like. . By transporting the substrate 1 with the substrate 1 being sandwiched between the jig 10 and the substrate pressing member 20, displacement of the substrate 1 relative to the jig 10 (position displacement in the direction along the substrate installation surface 11) is prevented. be able to.

搬送アームによる搬送は、例えば、図11に示すように、前記治具10を着脱可能に保持する治具保持部が設けられている搬送アーム42をアーム移動装置41によって移動する構成の基板搬送装置40を用いる。ここで搬送アーム42は、四角枠状のアーム本体42aの片面側の外周の複数箇所に治具10を位置決めするための位置決め突起42bが突設されており、これら位置決め突起42bによって取り囲まれる内側に嵌め込むように配置された治具10を搬送アーム42に保持するための板ばね42cが前記治具保持部として前記アーム本体42aに取り付けられている構成になっている。この搬送アーム42に対する治具10の着脱は作業者が手作業にて行えるようになっている。なお、搬送アーム、治具保持部の具体的構成は上述のものに限定されない。治具保持部としては、前記治具を搬送アームに着脱可能に保持できる構成のものであればよく、例えばクリップ状のもの、治具に係脱可能に係合する係合片を利用したもの等、各種構成を採用できる。
また、本発明に係る基板搬送装置は、搬送アームに治具10が固定されている構成の基板搬送装置も含む。
For example, as shown in FIG. 11, the transfer by the transfer arm is a substrate transfer apparatus configured such that a transfer arm 42 provided with a jig holding portion that detachably holds the jig 10 is moved by an arm moving apparatus 41. 40 is used. Here, the transfer arm 42 is provided with positioning protrusions 42b for positioning the jig 10 at a plurality of locations on the outer periphery on one side of the square frame-shaped arm main body 42a, and on the inner side surrounded by the positioning protrusions 42b. A plate spring 42c for holding the jig 10 arranged so as to be fitted to the transfer arm 42 is attached to the arm main body 42a as the jig holding portion. The operator can manually attach and detach the jig 10 to and from the transfer arm 42. The specific configurations of the transfer arm and the jig holding unit are not limited to those described above. The jig holding part may be of any structure that can detachably hold the jig on the transfer arm, for example, a clip-shaped one, or an engagement piece that is detachably engaged with the jig. Various configurations can be adopted.
The substrate transfer apparatus according to the present invention also includes a substrate transfer apparatus having a configuration in which the jig 10 is fixed to the transfer arm.

基板搬送用の治具(例えば特許文献1記載のもの)や、この治具に基板1を押さえ込むために使用するプレートとしては、クリームはんだをリフローするリフロー工程における温度プロファイルの差の縮小、基板1に与えられる熱ストレスの軽減に鑑みて、熱容量が小さいものを使用することが好ましい。
この点、本発明に係る治具10、基板表面保護プレート20Cのうち、特に基板表面保護プレート20Cは熱容量を小さく抑えることに有利である。
As a substrate transport jig (for example, the one described in Patent Document 1) and a plate used for pressing the substrate 1 into the jig, reduction of the temperature profile difference in the reflow process of reflowing cream solder, the substrate 1 In view of the reduction of thermal stress applied to the battery, it is preferable to use one having a small heat capacity.
In this respect, among the jig 10 and the substrate surface protection plate 20C according to the present invention, the substrate surface protection plate 20C is particularly advantageous in suppressing the heat capacity.

例えば、周知技術として、基板搬送用のプレート(以下、搬送用プレート)上に設置した基板上に重ね合わせた金属カバーの自重によって搬送用プレートに対する基板の反りを防止する技術(以下、自重式基板押さえ法とも言う)が存在するが、この技術にあっては金属カバーの重量を確保する必要から金属カバーとして板厚が大きいものを使用せざるを得ず、熱容量を小さくすることには限界がある。金属カバーとしては、例えば板厚1.0mm程度のステンレスプレートが使用されるが、リフロー工程にて金属カバーの加熱に時間が掛かるため、リフロー工程の設定温度を高くしたり、搬送用プレートの搬送速度の送り速度を遅くする等の対応を取る必要があり、基板の熱ストレスのみならず、生産性にも影響を与える。
また、この金属カバーは、基板の電子部品実装部1bに対応する開孔を有しているものの、板厚が大きいため、はんだ印刷、電子部品のマウントの妨げとなる。このため、この金属カバーの取り付けはリフロー工程の直前に行う必要があり、専属の人員を配して生産ラインから一度取り出して取り付け作業を行わざるを得ず、したがって、生産性の低下、人件費の増加を余儀なくされ生産コストの圧縮が困難であるのが実情である。
For example, as a well-known technique, a technique for preventing warpage of a substrate with respect to a transport plate (hereinafter referred to as a self-weight substrate) by a self-weight of a metal cover superimposed on a substrate placed on a substrate transport plate (hereinafter referred to as a transport plate). However, this technology requires the use of a metal cover with a large thickness because it is necessary to secure the weight of the metal cover, and there is a limit to reducing the heat capacity. is there. As the metal cover, for example, a stainless steel plate having a thickness of about 1.0 mm is used. However, since it takes time to heat the metal cover in the reflow process, the set temperature of the reflow process is increased, or the transport plate is transported. It is necessary to take measures such as reducing the feeding speed of the speed, which affects not only the thermal stress of the substrate but also the productivity.
Moreover, although this metal cover has an opening corresponding to the electronic component mounting portion 1b of the board, it has a large plate thickness, which hinders solder printing and electronic component mounting. For this reason, it is necessary to attach this metal cover immediately before the reflow process, and it is necessary to assign a dedicated person and take it out once from the production line to carry out the installation work, thus reducing productivity and labor costs. In fact, it is difficult to reduce the production cost due to the increase in production.

これに対して、本発明に係る基板表面保護プレート20Cは、既述のように、治具10の基板設置面11に沿う方向における多数箇所に点在するように設けられている磁石14によってその多数箇所が磁気吸引される結果、基板1全体を治具10の基板設置面11に押し付けることができる構成であるから、金属カバーの自重を利用して搬送用プレートに基板を押さえ込む構成に比べて、その板厚を薄くすることが可能であり、したがって熱容量を小さくすることができる。   On the other hand, the substrate surface protection plate 20C according to the present invention is provided by the magnets 14 provided so as to be scattered at a number of locations in the direction along the substrate installation surface 11 of the jig 10 as described above. As a result of magnetic attraction at a large number of locations, the entire substrate 1 can be pressed against the substrate installation surface 11 of the jig 10, so that compared to a configuration in which the substrate is pressed onto the transfer plate using the weight of the metal cover. It is possible to reduce the thickness of the plate and thus reduce the heat capacity.

基板表面保護プレート20Cとしては、例えば板厚0.01〜0.30mm程度、望ましくは板厚0.05mmの磁性材料(SUS430)を用いることができる。このように板厚が小さく熱容量を抑えた基板表面保護プレート20Cを用いることにより、リフロー工程における温度プロファイルの差の縮小、基板1に与えられる熱ストレスの軽減を容易に実現できる。これにより、リフロー工程における温度プロファイルの差は1〜2℃程度に抑えられ、従来のリフロー条件での半田接合が可能となり、熱ストレス及び生産性の問題を改善することができる。したがって、上述の自重式基板押さえ法に比べてリフロー工程の設定温度を高くしたり、搬送用プレートの搬送速度の送り速度を遅くする等の対応を取る必要が無く、電子部品付き配線基板の生産性を容易に高めることができる。
また、既述の金属カバーに比べて板厚を格段に薄くできるため、はんだ印刷、部品マウントの妨げにならず、基板表面保護プレートを取り付けた状態で工程に流すことができ、従来の人員での作業が可能となる。その結果、生産性の向上、人件費の圧縮を容易に実現でき、生産コストの低コスト化を図ることができる。
As the substrate surface protection plate 20C, for example, a magnetic material (SUS430) having a plate thickness of about 0.01 to 0.30 mm, preferably 0.05 mm can be used. By using the substrate surface protection plate 20C having a small plate thickness and a reduced heat capacity in this way, it is possible to easily reduce the difference in temperature profile in the reflow process and reduce the thermal stress applied to the substrate 1. Thereby, the difference in the temperature profile in the reflow process is suppressed to about 1 to 2 ° C., solder joining under conventional reflow conditions is possible, and the problems of thermal stress and productivity can be improved. Therefore, it is not necessary to take measures such as increasing the set temperature of the reflow process or lowering the feed speed of the transport plate compared to the above-mentioned self-weight type substrate pressing method, and production of wiring boards with electronic components. Can be easily enhanced.
In addition, since the plate thickness can be significantly reduced compared to the metal cover described above, it does not interfere with solder printing and component mounting, and can be flowed to the process with the substrate surface protection plate attached. Work becomes possible. As a result, it is possible to easily improve productivity and reduce labor costs, and to reduce production costs.

図1(a)、(b)に示すように、図示例の治具10の磁石14は、基板設置面11に設置される基板1側の面に互いに異なる磁極の対(N極(図中N)とS極(図中S))を有している。
本発明に係る治具の磁石としては、図6(a)に示すように、互いに異なる一対の磁極の一方が基板側の面(上面16a)、他方が前記上面16aとは反対側の面(下面16b)に位置する構成の磁石16(永久磁石)も採用可能であるが、この磁石16に比べて図1(a)、(b)に例示した治具10の磁石14のように基板設置面11に設置される基板1側の面に互いに異なる磁極を有している構成である方が、基板1側の表面の磁力を高めることができ、基板押さえ部材20に作用させる磁気吸引力を高めることができる。
As shown in FIGS. 1A and 1B, the magnet 14 of the jig 10 in the illustrated example has a pair of different magnetic poles (N poles (in the figure) on the surface of the substrate 1 installed on the substrate installation surface 11. N) and S pole (S in the figure).
As shown in FIG. 6A, as the magnet of the jig according to the present invention, one of a pair of different magnetic poles is a substrate side surface (upper surface 16a), and the other is a surface opposite to the upper surface 16a ( A magnet 16 (permanent magnet) having a configuration located on the lower surface 16b) can also be used, but compared to this magnet 16, a substrate is installed like the magnet 14 of the jig 10 illustrated in FIGS. 1 (a) and 1 (b). The structure having the magnetic poles different from each other on the surface of the substrate 1 installed on the surface 11 can increase the magnetic force of the surface on the substrate 1 side, and the magnetic attractive force acting on the substrate pressing member 20 can be increased. Can be increased.

図6(a)に例示した磁石16の場合は、磁界が上面16aから下面16bへと発生するのに対し、図1(a)、(b)に例示した治具10の磁石14の場合はその基板側の面の異極間にて磁界が生じる。このため、図6(a)に例示した磁石16に比べて図1(a)、(b)に例示した治具10の磁石14の方が、基板押さえ部材20に作用させる磁気吸引力を高めることができる。
つまり、図6(a)に例示した磁石16のように、永久磁石に設けた磁極が上下で異なる場合、その磁力は磁石上面より下面へと発生するため分散してしまうのに対し、図1(a)、(b)に例示した磁石14のようにその基板側の面の互いに離隔した位置に互いに異なる磁極を有する構成であれば、永久磁石より発せられる磁力が治具表面の異極間に発生するため磁力を分散させる事がない。その結果、治具に生じる磁力を基板押さえ部材20に効率良く作用させることができ、基板の反りの抑制をより容易に実現できる。また、磁石の小型化も容易となる。
In the case of the magnet 16 illustrated in FIG. 6A, a magnetic field is generated from the upper surface 16a to the lower surface 16b, whereas in the case of the magnet 14 of the jig 10 illustrated in FIGS. 1A and 1B. A magnetic field is generated between the different polarities of the substrate side surface. For this reason, compared with the magnet 16 illustrated in FIG. 6A, the magnet 14 of the jig 10 illustrated in FIGS. 1A and 1B increases the magnetic attractive force that acts on the substrate pressing member 20. be able to.
That is, as in the magnet 16 illustrated in FIG. 6A, when the magnetic poles provided on the permanent magnet are different from each other, the magnetic force is distributed from the upper surface to the lower surface, whereas the magnetic force is dispersed. If the magnets 14 illustrated in (a) and (b) have different magnetic poles at positions separated from each other on the surface on the substrate side, the magnetic force generated by the permanent magnet is between different poles on the jig surface. The magnetic force is not dispersed because of As a result, the magnetic force generated in the jig can be efficiently applied to the substrate pressing member 20, and the substrate warpage can be more easily suppressed. In addition, the magnet can be easily downsized.

本発明者は、外形サイズが同じ磁石14、16を用意して、治具と基板表面保護プレート20Cとの間に発生する保持力(磁気吸引力)を計測した所、図6(a)の構成の磁石16の場合に0.6Nであった保持力を図1(a)、(b)の構成の磁石14を用いた場合に1.2Nにアップさせることができた。   The inventor prepared magnets 14 and 16 having the same outer size, and measured the holding force (magnetic attractive force) generated between the jig and the substrate surface protection plate 20C, as shown in FIG. The holding force, which was 0.6 N in the case of the magnet 16 having the configuration, can be increased to 1.2 N when the magnet 14 having the configuration shown in FIGS. 1A and 1B is used.

治具に設ける磁石(永久磁石)としては、図6(b)、(c)に例示する磁石17、18のように、基板1側の面17a、18a(上面)に互いに異なる磁極の対を有し、さらに、前記上面17a、18aとは反対の下面17b、18bに、上面17a、18a側の磁極とは反対の極性の複数の磁極を有する構成のものも採用可能である。
図6(b)に例示した磁石17は、具体的には、上下方向(図6(b)において上下)両端が互いに反対の極性の磁極となっている磁石171、172を横並びに複数(図示例では2つ)連接して構成したもの(磁石ユニット)である。
また、本発明は、図6(c)に例示した磁石のように、基板1側の面(上面18a)に一対の磁極(極性が互いに異なる磁極)を有し、かつ、前記上面18aとは反対側の面(下面18b)の上面18a側の一対の磁極に対応する位置に、それぞれ前記上面18a側の一対の磁極とは逆の極性の磁極を有する構成の磁石18も採用可能である。下面18b側の一対の磁極は、この磁石18の上面18aの中央部を介して両側に互いに離隔させて設けられている一対の磁極に対応して、下面18bの中央部を介して両側に互いに離隔させて設けられている。
As magnets (permanent magnets) provided in the jig, pairs of magnetic poles different from each other are provided on the surfaces 17a and 18a (upper surface) on the substrate 1 side, as in the magnets 17 and 18 illustrated in FIGS. 6B and 6C. Furthermore, it is also possible to employ a configuration in which the lower surfaces 17b and 18b opposite to the upper surfaces 17a and 18a have a plurality of magnetic poles having polarities opposite to those on the upper surfaces 17a and 18a.
Specifically, the magnet 17 illustrated in FIG. 6B has a plurality of magnets 171 and 172 that are opposite in polarity in the vertical direction (up and down in FIG. 6B). In the example shown, two are connected (magnet unit).
Further, the present invention has a pair of magnetic poles (magnetic poles having different polarities) on the surface (upper surface 18a) on the substrate 1 side, like the magnet illustrated in FIG. 6C, and the upper surface 18a A magnet 18 having a magnetic pole having a polarity opposite to that of the pair of magnetic poles on the upper surface 18a side may be employed at a position corresponding to the pair of magnetic poles on the upper surface 18a side of the opposite surface (lower surface 18b). The pair of magnetic poles on the lower surface 18b side corresponds to the pair of magnetic poles provided on both sides through the central portion of the upper surface 18a of the magnet 18 and corresponds to both sides through the central portion of the lower surface 18b. They are spaced apart.

但し、図6(c)に例示した磁石18に比べて、図6(b)に例示した磁石17の方が、基板1側の面(上面)の異極間の中間部位における磁力の確保に有利であるため、その分、基板側の面(上面)における磁力を高める点で有利である。
図6(c)に例示した磁石18は、上面18a側の一対の磁極間に極性を持たないエリアが存在するのに対して、図6(b)に例示した磁石17(磁石ユニット)はその上面17a側の一対の磁極間に極性を持たないエリアが存在しない。このため、図6(b)に例示した磁石17(磁石ユニット)は、図6(c)の磁石18に比べて基板側の面(上面)における磁力を高める点で有利である。
なお、図6(c)に例示した磁石18は、上下方向(図6(c)において上下)のみならず、基板設置面に沿った方向にも互いに異なる極性の磁極の対が存在する構成であり、この構成により図6(a)に例示した磁石16に比べて治具厚み方向における磁界が働く距離が長く得られ、磁力の増強に有利である。
However, as compared with the magnet 18 illustrated in FIG. 6C, the magnet 17 illustrated in FIG. 6B secures the magnetic force at the intermediate portion between the different polarities of the surface (upper surface) on the substrate 1 side. This is advantageous because it increases the magnetic force on the substrate side surface (upper surface).
The magnet 18 illustrated in FIG. 6C has an area having no polarity between the pair of magnetic poles on the upper surface 18a side, whereas the magnet 17 illustrated in FIG. There is no area having no polarity between the pair of magnetic poles on the upper surface 17a side. For this reason, the magnet 17 (magnet unit) illustrated in FIG. 6B is advantageous in that the magnetic force on the surface (upper surface) on the substrate side is increased as compared with the magnet 18 in FIG. 6C.
The magnet 18 illustrated in FIG. 6C has a configuration in which pairs of magnetic poles having different polarities exist not only in the vertical direction (up and down in FIG. 6C) but also in the direction along the substrate installation surface. With this configuration, the working distance of the magnetic field in the jig thickness direction is longer than that of the magnet 16 illustrated in FIG. 6A, which is advantageous for increasing the magnetic force.

(メタルマスク版)
図7は、基板1の電子部品実装部1bにクリームはんだを印刷する工程(クリームはんだ印刷工程)にて使用するメタルマスク版30を説明する断面図である。
図7は、治具10の基板設置面11上に載置した基板1上に重ね合わせるように設置した基板表面保護プレート20C上にメタルマスク版30を重ね合わせた状態を示す。図7において、基板表面保護プレート20Cは基板1上に重ね合わせるようにして設置され、メタルマスク版30は前記基板表面保護プレート20C上に重ね合わせるようにして設置されている。
(Metal mask version)
FIG. 7 is a cross-sectional view for explaining the metal mask plate 30 used in the process of printing cream solder on the electronic component mounting portion 1b of the substrate 1 (cream solder printing process).
FIG. 7 shows a state in which the metal mask plate 30 is overlaid on the substrate surface protection plate 20 </ b> C installed so as to be overlaid on the substrate 1 placed on the substrate placement surface 11 of the jig 10. In FIG. 7, the substrate surface protection plate 20C is installed so as to be superimposed on the substrate 1, and the metal mask plate 30 is installed so as to be superimposed on the substrate surface protection plate 20C.

前記メタルマスク版30は、例えばSUS304等の非磁性材料(非磁性金属)によって形成された板状部材であり、このメタルマスク版30には、前記基板表面保護プレート20Cの開孔23以外の部分を収納する凹所パターン31と、前記基板1の電子部品実装部1bにおけるクリームはんだ印刷領域(クリームはんだを印刷する領域。処理対象領域)に対応する複数の孔32からなる孔パターンとが形成されている。
基板1の電子部品実装部1bにおけるクリームはんだ印刷領域は電子部品実装部1bの一部である。図7において、クリームはんだ印刷領域は具体的には基板1の前記電子部品実装部1b上に設けられたパッド1c上の領域である。図7では、パッド1cをひとつのみ図示しているが、ひとつの電子部品実装部1bにはパッド1c(換言すればクリームはんだ印刷領域)が複数存在する。メタルマスク版30の孔32は電子部品実装部1bのパッド1cに対応して、このパッド1cの上面(基板1とは反対側の面)に対応する大きさに形成されている。
基板表面保護プレート20Cの開孔23は電子部品実装部1b全体を露出させることができる大きさであり、メタルマスク版30の孔32は基板表面保護プレート20Cの開孔23に比べて小さいサイズ(平面視のサイズ)に形成されている。
なお、本発明に係る基板の電子部品実装部1bとしてはひとつの電子部品実装部1bにパッド1cがひとつのみ存在する構成も含む。
The metal mask plate 30 is a plate-like member formed of, for example, a nonmagnetic material (nonmagnetic metal) such as SUS304, and the metal mask plate 30 includes portions other than the openings 23 of the substrate surface protection plate 20C. And a hole pattern composed of a plurality of holes 32 corresponding to a cream solder printing region (a region where cream solder is printed; a region to be processed) in the electronic component mounting portion 1b of the substrate 1 are formed. ing.
The cream solder printing area in the electronic component mounting portion 1b of the substrate 1 is a part of the electronic component mounting portion 1b. In FIG. 7, the cream solder printing region is specifically a region on the pad 1 c provided on the electronic component mounting portion 1 b of the substrate 1. Although only one pad 1c is shown in FIG. 7, a plurality of pads 1c (in other words, cream solder printing areas) exist in one electronic component mounting portion 1b. The hole 32 of the metal mask plate 30 corresponds to the pad 1c of the electronic component mounting portion 1b, and is formed in a size corresponding to the upper surface (surface opposite to the substrate 1) of the pad 1c.
The opening 23 of the substrate surface protection plate 20C is large enough to expose the entire electronic component mounting portion 1b, and the hole 32 of the metal mask plate 30 is smaller than the opening 23 of the substrate surface protection plate 20C ( (Size in plan view).
The electronic component mounting portion 1b of the substrate according to the present invention includes a configuration in which only one pad 1c exists in one electronic component mounting portion 1b.

このメタルマスク版30は、基板1の電子部品実装部1b以外の部位を覆ってクリームはんだ印刷領域のみを露出させることができるため、このメタルマスク版30を治具10上の基板1及び該基板1上の基板表面保護プレート20Cに重ね合わせるように設置した状態にてクリームはんだ印刷工程を行うことで、基板1の回路配線へのクリームはんだの付着を防ぐことができるといった利点がある。メタルマスク版30は、クリームはんだ印刷工程の完了後、治具10上から撤去する。   Since this metal mask plate 30 can cover the portion other than the electronic component mounting portion 1b of the substrate 1 and expose only the cream solder printing region, the metal mask plate 30 is attached to the substrate 1 on the jig 10 and the substrate. By performing the cream solder printing process in a state of being placed so as to be superimposed on the substrate surface protection plate 20C on the substrate 1, there is an advantage that it is possible to prevent the cream solder from adhering to the circuit wiring of the substrate 1. The metal mask plate 30 is removed from the jig 10 after the cream solder printing process is completed.

なお、このメタルマスク版30を用いたクリームはんだ印刷工程は治具10上の基板1上に基板表面保護プレート20Cを設置することなくメタルマスク版30のみを設置した状態で行うことも可能であるが、このメタルマスク版30は、基板1上の基板表面保護プレート20Cに重ね合わせるように設置することで、クリームはんだ印刷工程の完了後にメタルマスク版30を撤去するだけで、基板表面保護プレート20Cによって基板1を治具10に押さえ込んだ状態のまま次工程(例えばマウント工程)に移行できるため、治具10に対する基板1の位置ずれ防止の点で好ましい。   The cream solder printing process using the metal mask plate 30 can be performed in a state where only the metal mask plate 30 is installed on the substrate 1 on the jig 10 without installing the substrate surface protection plate 20C. However, the metal mask plate 30 is installed so as to be superimposed on the substrate surface protection plate 20C on the substrate 1, so that the substrate mask plate 20C can be removed only by removing the metal mask plate 30 after the cream solder printing process is completed. Therefore, it is possible to shift to the next process (for example, a mounting process) while the substrate 1 is pressed into the jig 10, which is preferable in terms of preventing the position shift of the substrate 1 with respect to the jig 10.

前記メタルマスク版30の凹所パターン31は、このメタルマスク版30を形成する金属板材をハーフエッチングして形成したハーフエッチングパターンであり、図7に示すように基板表面保護プレート20Cの開孔23以外の部分を非接触で収納するべく、基板表面保護プレート20Cの開孔23以外の部分に比べて若干大きいサイズに形成されている。
メタルマスク版30の凹所パターン31は、図1(b)に示すように、治具10の基板設置面11上に載置した基板1上に重ね合わせるように設置した基板表面保護プレート20Cに基板1に対する微小な浮き上がり部分が生じた場合でも、基板表面保護プレート20Cの開孔23以外の部分を非接触で収納できる大きさに形成される。これにより、基板表面保護プレート20Cの部分的な浮き上がりや撓み、形成精度等に関係なく、基板1の複数のクリームはんだ印刷領域に対するメタルマスク版30の各孔32の位置決め精度を容易に確保することができる。この結果、クリームはんだ印刷領域に対するクリームはんだの印刷精度も容易に確保できる。
The recess pattern 31 of the metal mask plate 30 is a half-etched pattern formed by half-etching the metal plate material that forms the metal mask plate 30, and as shown in FIG. In order to accommodate the other portions in a non-contact manner, the substrate surface protection plate 20 </ b> C is formed in a slightly larger size than the portions other than the openings 23.
As shown in FIG. 1B, the recess pattern 31 of the metal mask plate 30 is formed on the substrate surface protection plate 20 </ b> C installed so as to be superimposed on the substrate 1 placed on the substrate placement surface 11 of the jig 10. Even when a minute floating portion with respect to the substrate 1 is generated, the portion other than the opening 23 of the substrate surface protection plate 20C is formed in a size that can be accommodated in a non-contact manner. Thereby, the positioning accuracy of each hole 32 of the metal mask plate 30 with respect to the plurality of cream solder printing regions of the substrate 1 can be easily ensured regardless of the partial lifting, bending, formation accuracy, etc. of the substrate surface protection plate 20C. Can do. As a result, the printing accuracy of cream solder for the cream solder printing region can be easily ensured.

なお、メタルマスク版30は、磁性金属板からなるものであっても良いが、基板表面保護プレート20Cに対する着脱作業を容易にする点、着脱作業における基板表面保護プレート20Cの位置ずれ防止の点で、既述のように、例えばSUS304等の非磁性材料(非磁性金属)によって形成された板状部材であることが好ましい。
また、メタルマスク版としては、孔パターンや凹所パターン31の形成精度を確保できるものであれば非磁性金属板からなるものに限定されず、例えばプラスチック製のもの等も採用可能である。
The metal mask plate 30 may be made of a magnetic metal plate. However, the metal mask plate 30 can be easily attached to and detached from the substrate surface protection plate 20C, and can be prevented from being displaced in the attachment and detachment operations. As described above, a plate-like member formed of a nonmagnetic material (nonmagnetic metal) such as SUS304 is preferable.
Further, the metal mask plate is not limited to one made of a nonmagnetic metal plate as long as the formation accuracy of the hole pattern and the recess pattern 31 can be ensured, and for example, a plastic one can also be adopted.

前記基板表面保護プレート20Cは、フォトレジスト膜の形成後、クリームはんだ印刷工程の前に、治具10上の基板1に重ね合わせるようにして設置する。そして、既述のように、この基板表面保護プレート20C上にメタルマスク版30を設置してクリームはんだ印刷工程を行った後、メタルマスク版30を取り外し、基板表面保護プレート20Cによって基板1を治具10に押さえ込んだ状態(図1(a)、(b)に示す状態)を維持したまま、電子部品をマウントするマウント工程、次いでリフロー工程を行い、基板表面保護プレート20Cと治具10との間に基板1を挟み込んだユニット(基板保持ユニット)を基板搬送装置によって基板表面保護プレート20Cを取り外す押さえ解除位置まで搬送する。
なお、リフロー工程を行うリフロー炉から押さえ解除位置に至るまでに、実装部品(電子部品)の外観検査等を行うことが可能である。
The substrate surface protection plate 20C is installed so as to overlap the substrate 1 on the jig 10 after the formation of the photoresist film and before the cream solder printing process. As described above, after the metal mask plate 30 is placed on the substrate surface protection plate 20C and the cream solder printing process is performed, the metal mask plate 30 is removed and the substrate 1 is cured by the substrate surface protection plate 20C. The mounting process for mounting the electronic components and the reflow process are performed while maintaining the state of being pressed onto the tool 10 (the state shown in FIGS. 1A and 1B). A unit (substrate holding unit) sandwiching the substrate 1 in between is transported by a substrate transport device to a press release position where the substrate surface protection plate 20C is removed.
In addition, it is possible to perform an appearance inspection or the like of the mounted component (electronic component) from the reflow furnace performing the reflow process to the press release position.

図1(a)、(b)に示すように、リフロー工程では、基板表面保護プレート20Cによって基板1を治具10に押さえ込んでいるため、加熱による基板1の反りを防止することができる。また、基板1を治具10に押さえ込む基板表面保護プレート20Cによって基板1の電子部品実装部1b以外の部位が覆われた状態にあるため、リフロー炉内面に付着あるいはリフロー炉内の雰囲気中に飛散しているフラックスやはんだが基板1の電子部品実装部1b以外の部位に付着することを防止することができる。
また、既述のように弱粘着剤層から放出される低分子量シロキサンの基板1(電子部品実装部1b以外の部位)への転写を基板表面保護プレート20Cによって防ぐことができ、低分子量シロキサンの付着による影響(特に電気的信頼性に与える影響)を非常に小さく抑えることができる。
As shown in FIGS. 1A and 1B, in the reflow process, since the substrate 1 is pressed into the jig 10 by the substrate surface protection plate 20C, the warpage of the substrate 1 due to heating can be prevented. Further, since the portion other than the electronic component mounting portion 1b of the substrate 1 is covered by the substrate surface protection plate 20C that holds the substrate 1 on the jig 10, it adheres to the inner surface of the reflow furnace or is scattered in the atmosphere in the reflow furnace. It is possible to prevent the flux and solder that are being attached from adhering to parts other than the electronic component mounting portion 1b of the substrate 1.
Further, as described above, the transfer of the low molecular weight siloxane released from the weak adhesive layer to the substrate 1 (site other than the electronic component mounting portion 1b) can be prevented by the substrate surface protection plate 20C. The effect of adhesion (particularly the effect on electrical reliability) can be kept very small.

また、既述の治具10を使用した基板保持ユニットにあっては、治具10の磁石14によって基板1が弱粘着剤層13に押し付けられることから、治具10に点在配置された弱粘着剤層13のサイズを小型化できるため、弱粘着剤層からの低分子量シロキサンの放出量を抑制できることも、基板1への低分子量シロキサンの付着による影響を抑えることに有効に寄与する。低分子量シロキサンの放出量を抑制できることは、リフロー炉内の換気や排気処理を簡易なものにすることができ、炉内の温度プロファイルの安定維持、電子部品付き配線基板の生産コストの低減の点でも有効である。   Further, in the substrate holding unit using the above-described jig 10, the substrate 1 is pressed against the weak adhesive layer 13 by the magnet 14 of the jig 10. Since the size of the pressure-sensitive adhesive layer 13 can be reduced, the amount of low-molecular-weight siloxane released from the weak pressure-sensitive adhesive layer can be suppressed, which effectively contributes to suppressing the influence of low-molecular-weight siloxane adhesion on the substrate 1. The ability to reduce the amount of low molecular weight siloxane released can simplify ventilation and exhaust treatment in the reflow furnace, maintain a stable temperature profile in the furnace, and reduce the production cost of wiring boards with electronic components. But it is effective.

(押さえ部材取り外し治具)
図8、図9(a)、(b)は、基板表面保護プレート20Cの取り外し作業に使用する押さえ部材取り外し治具50(以下、単に、取り外し治具とも言う)の一例を示す。
図8、図9(a)、(b)に示すように、この取り外し治具50は、基板表面保護プレート20Cに重ね合わせるようにして当接される当接面51aを有する当接部材51の前記治具10の磁石14に対応する複数箇所に永久磁石52(以下、取り外し用磁石とも言う)が固定されているものである。
(Presser member removal jig)
8, FIG. 9A and FIG. 9B show an example of a pressing member removing jig 50 (hereinafter, also simply referred to as a removing jig) used for removing the substrate surface protection plate 20C.
As shown in FIGS. 8, 9A, and 9B, the detaching jig 50 includes a contact member 51 having a contact surface 51a that is contacted so as to overlap the substrate surface protection plate 20C. Permanent magnets 52 (hereinafter also referred to as removal magnets) are fixed at a plurality of locations corresponding to the magnets 14 of the jig 10.

当接部材51としては、例えばガラスエポキシ材等の樹脂製部材、非磁性金属製部材等が用いられる。図示例では当接部材51は板状のものを採用しているが、当接部材51としては当接面51aを有するものであれば良く、板状のものに限定されない。
前記取り外し用磁石52は当接部材51に固定して前記当接面51aに露出、あるいは当接部材51からの脱落を防止するために当接面51a側に設けられた耐熱片面粘着テープ(図示略)に覆われた状態で当接部材51に取り付けられている。また、この取り外し用磁石52は、前記治具10の磁石14の磁極に対応する位置に該磁極と同一の磁極を有している。これにより、この取り外し治具50は、その当接面51aの、治具10の磁石14の磁極に対応する位置に該磁極と同一の磁極を有する構成となっている。
As the contact member 51, for example, a resin member such as a glass epoxy material, a nonmagnetic metal member, or the like is used. In the illustrated example, the contact member 51 is a plate-like member, but the contact member 51 may be any member having the contact surface 51a and is not limited to a plate-like member.
The detachable magnet 52 is fixed to the contact member 51 and exposed to the contact surface 51a, or a heat-resistant single-sided adhesive tape (illustrated) provided on the contact surface 51a side to prevent the contact member 51 from falling off. It is attached to the contact member 51 in a state of being covered by (substantially). Further, the removal magnet 52 has the same magnetic pole as the magnetic pole at a position corresponding to the magnetic pole of the magnet 14 of the jig 10. Thereby, this removal jig | tool 50 becomes a structure which has the same magnetic pole as this magnetic pole in the position corresponding to the magnetic pole of the magnet 14 of the jig | tool 10 of the contact surface 51a.

この取り外し治具50は、その当接面51aを基板表面保護プレート20Cに重ね合わせるようにして当接(あるいは接近配置)すると、基板表面保護プレート20Cを治具10の磁石14に対して反発させることができ、これにより基板表面保護プレート20Cの取り外し作業を楽に行えるようにするものである。
図8に示すように、例えば、仮に、取り外し用磁石52としてサイズ、磁力が治具10の磁石14と同一のものを使用した場合、取り外し治具50の当接面51aを基板表面保護プレート20Cに重ね合わせるようにして当接させると、取り外し用磁石52は基板表面保護プレート20Cに直接当接あるいは耐熱片面粘着テープを介して近接配置されるのに対し、治具10側の磁石14と基板表面保護プレート20Cとの間には治具10の弱粘着剤層13及び基板1が介在しているため、取り外し用磁石52と基板表面保護プレート20Cとの間の距離に比べて治具10側の磁石14と基板表面保護プレート20Cとの間の距離の方が格段に大きい。磁石の磁力は距離の二乗に反比例する(距離の二乗に比例して弱くなる)ため、取り外し用磁石52が基板表面保護プレート20Cに及ぼす磁力が治具10の磁石14の磁力に勝り、基板表面保護プレート20Cを治具10の磁石14に対して反発させることができる。基板表面保護プレート20Cを治具10の磁石14に対して反発した状態で、取り外し治具50を上昇させると、基板表面保護プレート20Cが取り外し治具50の取り外し用磁石52に磁気吸着された状態で取り外し治具50一体的に上昇して基板1から離隔して取り外されることとなる。基板1は、治具10の弱粘着剤層13の粘着力によって治具10側に保持された状態が維持されるため、基板表面保護プレート20Cのみが取り外されることとなる。
The removal jig 50 repels the substrate surface protection plate 20C against the magnet 14 of the jig 10 when the contact surface 51a abuts (or is placed close to) so as to overlap the substrate surface protection plate 20C. Thus, the removal work of the substrate surface protection plate 20C can be easily performed.
As shown in FIG. 8, for example, if the removal magnet 52 having the same size and magnetic force as the magnet 14 of the jig 10 is used, the contact surface 51a of the removal jig 50 is used as the substrate surface protection plate 20C. When the magnets for removal 52 are brought into contact with each other so as to overlap each other, the magnets 14 on the jig 10 side and the substrate are arranged in direct contact with the substrate surface protection plate 20C or in proximity to each other via a heat-resistant single-sided adhesive tape. Since the weak adhesive layer 13 and the substrate 1 of the jig 10 are interposed between the surface protection plate 20C and the jig 10 side as compared with the distance between the removal magnet 52 and the substrate surface protection plate 20C. The distance between the magnet 14 and the substrate surface protection plate 20C is much larger. Since the magnetic force of the magnet is inversely proportional to the square of the distance (becomes weaker in proportion to the square of the distance), the magnetic force exerted by the removing magnet 52 on the substrate surface protection plate 20C exceeds the magnetic force of the magnet 14 of the jig 10, and the substrate surface The protection plate 20 </ b> C can be repelled against the magnet 14 of the jig 10. When the removal jig 50 is raised while the substrate surface protection plate 20C is repelled against the magnet 14 of the jig 10, the substrate surface protection plate 20C is magnetically attracted to the removal magnet 52 of the removal jig 50 Thus, the removal jig 50 is integrally lifted and separated from the substrate 1 and removed. Since the substrate 1 is maintained on the jig 10 side by the adhesive force of the weak adhesive layer 13 of the jig 10, only the substrate surface protection plate 20C is removed.

この取り外し治具50を用いれば、基板表面保護プレート20Cを基板1上から垂直上方へ上昇させるようにして取り外すことができる。このため、基板表面保護プレート20Cを基板1の電子部品実装部1bに実装されている実装部品(電子部品)に接触させることなくしかも楽に取り外すことができ、取り外しの作業性の向上に寄与する。
図9(a)に示すように、この取り外し治具50は当接部材51の両側に突設された取っ手53を具備しているため、作業者の手作業による取り外し治具50の操作性が良好であり、基板表面保護プレート20Cを基板1の電子部品実装部1bに実装されている実装部品(電子部品)に接触させることなく取り外す作業を効率良く行える。
By using this removal jig 50, the substrate surface protection plate 20C can be removed from the substrate 1 so as to be raised vertically upward. For this reason, the board surface protection plate 20C can be easily removed without being brought into contact with the mounting component (electronic component) mounted on the electronic component mounting portion 1b of the substrate 1, which contributes to an improvement in workability of the removal.
As shown in FIG. 9A, the removal jig 50 includes handles 53 protruding from both sides of the contact member 51, so that the operability of the removal jig 50 by the operator's manual work is improved. The substrate surface protection plate 20 </ b> C can be removed efficiently without contacting the mounting component (electronic component) mounted on the electronic component mounting portion 1 b of the substrate 1.

なお、この取り外し治具50を用いた基板表面保護プレート20Cの取り外し作業は、基板表面保護プレート20Cを治具10の磁石14に対して反発させることで実現されるものであるため、必ずしも、取り外し治具50を基板表面保護プレート20Cに重ね合わせる必要は無い。但し、上述のように、基板表面保護プレート20Cを基板1の電子部品実装部1bに実装されている実装部品(電子部品)に接触させることなく基板表面保護プレート20Cの取り外し作業を行うには、取り外し治具50を基板表面保護プレート20Cに重ね合わせて取り外し作業を行うことが有利である。
また、取り外し作業を確実に行う点では、取り外し用磁石52としてその磁力が治具10の磁石14の磁力よりも強いものを用いることが望ましい。
また、この取り外し作業は、取り外し治具を昇降させる装置を用いて自動化することも可能である。
The removal operation of the substrate surface protection plate 20C using the removal jig 50 is realized by repelling the substrate surface protection plate 20C with respect to the magnet 14 of the jig 10, and therefore is not necessarily removed. There is no need to superimpose the jig 50 on the substrate surface protection plate 20C. However, as described above, in order to remove the substrate surface protection plate 20C without bringing the substrate surface protection plate 20C into contact with the mounting component (electronic component) mounted on the electronic component mounting portion 1b of the substrate 1, It is advantageous to perform the detaching operation by superposing the detaching jig 50 on the substrate surface protection plate 20C.
Further, in terms of reliably performing the removal work, it is desirable to use a magnet 52 whose removal force is stronger than the magnetic force of the magnet 14 of the jig 10.
Further, this removal operation can be automated using a device for raising and lowering the removal jig.

押さえ解除位置に搬送した基板保持ユニットは、上述の取り外し治具50を用いて基板表面保護プレート20Cを取り外す。
また、図8に示すように、治具10のプレート状基材12の厚み方向に貫設されたピン挿入孔12dに治具10の基板設置面11とは反対側の底面15側から突き出しピン19を挿入することで、基板1を基板設置面11から楽に離隔(剥離)させることができる(図8以外では図示略)。基板1を基板設置面11から離隔(剥離)させる作業は、取り外し治具50を用いた基板表面保護プレート20Cの取り外し作業の完了後であっても良いが、この基板表面保護プレート20Cの取り外し作業と同時に行うことも可能である。
例えば、基板保持ユニットを図8に示す状態から上下反転させ、治具10が基板1の上側となる向きにした状態で、基板1を突き出しピン19を用いて治具10の基板設置面11から離隔(剥離)させる作業と、基板表面保護プレート20Cに当接させた取り外し治具50の下降とを同時に行うことで、治具10の基板設置面11から離隔(剥離)させた基板1を取り外し治具50と一体的に下降する基板表面保護プレート20C上に支持することができ、治具10から離隔(剥離)させた基板1の回収を楽に行うことができ、作業時間の短縮も容易に実現できる。
The substrate holding unit conveyed to the press release position removes the substrate surface protection plate 20 </ b> C using the above-described removal jig 50.
Further, as shown in FIG. 8, the pin protrudes from the bottom surface 15 side opposite to the substrate installation surface 11 of the jig 10 into the pin insertion hole 12 d provided in the thickness direction of the plate-like base material 12 of the jig 10. By inserting 19, the substrate 1 can be easily separated (separated) from the substrate installation surface 11 (not shown except for FIG. 8). The operation of separating (separating) the substrate 1 from the substrate installation surface 11 may be after the removal operation of the substrate surface protection plate 20C using the removal jig 50 is completed, but the removal operation of the substrate surface protection plate 20C is performed. It can also be done at the same time.
For example, the substrate holding unit is turned upside down from the state shown in FIG. 8 so that the jig 10 faces the upper side of the substrate 1 and the substrate 1 is ejected from the substrate installation surface 11 of the jig 10 using the pins 19. The substrate 1 separated (separated) from the substrate installation surface 11 of the jig 10 is removed by simultaneously performing the separation (peeling) operation and the lowering of the removal jig 50 in contact with the substrate surface protection plate 20C. The substrate 1 can be supported on the substrate surface protection plate 20 </ b> C descending integrally with the jig 50, the substrate 1 separated (separated) from the jig 10 can be easily recovered, and the working time can be easily reduced. realizable.

(基板保持搬送用治具の別態様)
本発明に係る治具としては、図10(a)、(b)に例示する構成のものも採用可能である。図10(a)、(b)に例示した治具10Aは、磁石14を、プレート状基材12の複数箇所(多数箇所)に点在配置されている各弱粘着剤層13の前記基板設置面11とは反対の側ではなく、プレート状基材12の上面12aと略面一になるようにしてプレート状基材12に取り付けた点が、既述の図1(a)、(b)に例示した治具10と異なる。磁石14の配置以外の構成は既述の治具10と同様である。この治具10Aの基板設置面11Aは、プレート状基材12の上面12aと磁石14の上面14a(あるいは、磁石14の上面14aを覆うように設けられた耐熱片面粘着テープ(後述))によって形成される。
(Another aspect of substrate holding and conveying jig)
As the jig according to the present invention, the jig illustrated in FIGS. 10A and 10B can be used. In the jig 10A illustrated in FIGS. 10A and 10B, the substrate is installed on each weak pressure-sensitive adhesive layer 13 in which the magnets 14 are arranged in a plurality of locations (multiple locations) of the plate-like base material 12. The point attached to the plate-like base material 12 so as to be substantially flush with the upper surface 12a of the plate-like base material 12 instead of the side opposite to the surface 11 is the above-described FIGS. This is different from the jig 10 illustrated in FIG. The configuration other than the arrangement of the magnets 14 is the same as that of the jig 10 described above. The substrate installation surface 11A of the jig 10A is formed by the upper surface 12a of the plate-like substrate 12 and the upper surface 14a of the magnet 14 (or a heat-resistant single-sided adhesive tape (described later) provided so as to cover the upper surface 14a of the magnet 14). Is done.

治具10Aにおける前記磁石14の設置位置は、基板設置面11Aに重ね合わせるようにして設置される基板1の押さえ代1a及び内側非実装領域1dに対応する範囲に設定される。
したがって、基板1の保持、搬送にこの治具10Aを使用する場合、基板押さえ部材としては、磁石14が各弱粘着剤層13の前記基板設置面11とは反対の側に設けられている構成の既述の治具10にて使用可能なものを採用できる。
The installation position of the magnet 14 in the jig 10A is set in a range corresponding to the holding allowance 1a and the inner non-mounting area 1d of the substrate 1 installed so as to overlap the substrate installation surface 11A.
Therefore, when this jig 10A is used for holding and transporting the substrate 1, the substrate pressing member is configured such that the magnet 14 is provided on the side opposite to the substrate installation surface 11 of each weak adhesive layer 13. A tool that can be used in the above-described jig 10 can be employed.

磁石14は、例えば該磁石14の上面14aと該磁石14の周囲に位置するプレート状基材12の上面12aとにわたって貼付した耐熱片面粘着テープ等を用いてプレート状基材12から脱落しないように取り付けられる。また、磁石14は、その上面14aがプレート状基材12の上面12aと面一あるいは前記上面12aから僅か(例えば数μm)に下側に位置するように設けられる。   The magnet 14 is prevented from falling off from the plate-like substrate 12 using, for example, a heat-resistant single-sided adhesive tape or the like affixed across the upper surface 14 a of the magnet 14 and the upper surface 12 a of the plate-like substrate 12 positioned around the magnet 14. It is attached. The magnet 14 is provided so that the upper surface 14a thereof is flush with the upper surface 12a of the plate-like substrate 12 or slightly below (for example, several μm) from the upper surface 12a.

この治具10Aによれば、弱粘着剤層13のみならず、磁石14も、プレート状基材12の上面12a付近に設けた構成であるため、図1(a)、(b)に例示した治具10に比べてプレート状基材12の板厚を薄くすることが容易である。プレート状基材12の板厚を薄くすることで熱容量を小さく抑えることができる。その結果、リフロー工程における温度プロファイルの差の縮小、基板1に与えられる熱ストレスの軽減を容易に実現でき、低コストで、電子部品付き配線基板の生産性を容易に高めることができる。   According to this jig 10A, since not only the weak adhesive layer 13 but also the magnet 14 is provided in the vicinity of the upper surface 12a of the plate-like substrate 12, it is exemplified in FIGS. 1 (a) and 1 (b). It is easy to reduce the plate thickness of the plate-like substrate 12 as compared with the jig 10. By reducing the plate thickness of the plate-like substrate 12, the heat capacity can be kept small. As a result, reduction of the temperature profile difference in the reflow process and reduction of thermal stress applied to the substrate 1 can be easily realized, and the productivity of the wiring board with electronic components can be easily increased at low cost.

但し、治具に点在配置された弱粘着剤層13のサイズの小型化の点では、磁石14を弱粘着剤層13の前記基板設置面11とは反対の側に配置している構成の治具10の方が有利である。
治具10、10Aは、いずれも、基板設置面11、11Aに沿った方向における磁石14の設置位置(治具10については弱粘着剤層13の設置位置に磁石14の位置が従う)を適宜変更できることは言うまでも無い。これにより、磁性を持つ電子部品への影響(例えば磁気吸引力が電子部品の実装位置精度に影響を与えること)を抑制できる。また、実装ラインを構成する装置へ磁石の磁力によって吸着されるといった不都合を容易に抑制でき、実装ライン上での搬送不具合を防止できる。
但し、磁石14を弱粘着剤層13の前記基板設置面11とは反対の側に配置している構成の治具10の方が、図10(a)、(b)に例示した治具10Aに比べて、基板設置面11における弱粘着剤層13の配置位置の自由度を高く確保できる点で有利である。
However, in terms of reducing the size of the weak pressure-sensitive adhesive layer 13 scattered in the jig, the magnet 14 is arranged on the opposite side of the weak pressure-sensitive adhesive layer 13 from the substrate installation surface 11. The jig 10 is more advantageous.
Each of the jigs 10 and 10A has an appropriate installation position of the magnet 14 in the direction along the substrate installation surfaces 11 and 11A (the position of the magnet 14 follows the installation position of the weak adhesive layer 13 for the jig 10). Needless to say, it can be changed. Thereby, the influence (for example, magnetic attraction force affects the mounting position accuracy of an electronic component) on the magnetic electronic component can be suppressed. In addition, it is possible to easily suppress the inconvenience of being attracted to the devices constituting the mounting line by the magnetic force of the magnet, and it is possible to prevent a conveyance failure on the mounting line.
However, the jig 10A having the configuration in which the magnet 14 is disposed on the side opposite to the substrate mounting surface 11 of the weak adhesive layer 13 is the jig 10A illustrated in FIGS. 10A and 10B. Compared to the above, it is advantageous in that the degree of freedom of the arrangement position of the weak adhesive layer 13 on the substrate installation surface 11 can be secured high.

この治具10Aにあっても、プレート状基材12に、基板1を突き出しピン19を用いて治具10の基板設置面11から離隔(剥離)させるためのピン挿入孔を貫設した構成を採用できることは言うまでも無い。   Even in this jig 10 </ b> A, the plate-like base material 12 has a configuration in which a pin insertion hole for projecting the substrate 1 and separating (separating) from the substrate installation surface 11 of the jig 10 using a pin 19 is provided. Needless to say, it can be adopted.

なお、上述の実施形態では、永久磁石を設けた治具を用い、この治具の永久磁石と、基板押さえ部材の磁性体との間に作用する磁気吸引力によって治具と基板押さえ部材との間に基板を挟み込んで保持する構成を例示したが、本発明はこれに限定されず、例えば、永久磁石を具備せず、磁性体が設けられた構成の治具を採用することも可能である。この場合は、基板押さえ部材として永久磁石を設けた構成のものを採用して、治具と基板押さえ部材との間での基板の挟み込みによる保持が実現されるようにする。
また、本発明は、治具及び基板押さえ部材の両方に永久磁石を設けた構成のものを採用することも含む。基板押さえ部材としては、その全体が磁性体(磁化されていない磁性体)からなる構成のものの他、全体が永久磁石となっているもの、治具の磁石に対応する位置に磁性体あるいは永久磁石が点在配置されたもの等も採用可能である。
In the above-described embodiment, a jig provided with a permanent magnet is used, and the jig and the substrate pressing member are moved by the magnetic attractive force acting between the permanent magnet of the jig and the magnetic body of the substrate pressing member. The configuration in which the substrate is sandwiched and held is illustrated, but the present invention is not limited to this, and for example, a jig having a configuration in which a permanent magnet is not provided and a magnetic body is provided can be employed. . In this case, a substrate holding member having a permanent magnet is adopted as the substrate pressing member so that the holding by sandwiching the substrate between the jig and the substrate pressing member is realized.
The present invention also includes adopting a configuration in which permanent magnets are provided on both the jig and the substrate pressing member. As the substrate pressing member, in addition to a member made of a magnetic material (non-magnetized magnetic material) as a whole, the substrate holding member is a permanent magnet, or a magnetic material or permanent magnet at a position corresponding to the magnet of the jig. It is also possible to adopt a configuration in which dots are scattered.

1…プリント配線基板、1a…外周部(押さえ代)、1b…電子部品実装部、1c…パッド、
10、10A…基板保持搬送用治具、11、11A…基板設置面、12…プレート状基材、12a…上面、12b…凹所、12c…磁石収納部、12d…ピン挿入孔、13…弱粘着剤層、14…永久磁石、15…(治具の)底面、16、17、18…永久磁石、19…突き出しピン、
20…基板押さえ部材、20A、20B…基板押さえ部材(基板押さえ枠)、20C…基板押さえ部材(基板表面保護プレート)、21…フレーム、22…押さえ部材磁石、23…開孔、
30…メタルマスク版、31…凹所パターン、32…孔、
40…基板搬送装置(アーム式搬送装置)、41…アーム移動装置、42…搬送アーム、42a…アーム本体、42b…位置決め突起、42c…治具保持部(板ばね)、
50…押さえ部材取り外し治具、51…当接部材、51a…当接面、52…取り外し用磁石。
DESCRIPTION OF SYMBOLS 1 ... Printed circuit board, 1a ... Outer peripheral part (pressing allowance), 1b ... Electronic component mounting part, 1c ... Pad,
DESCRIPTION OF SYMBOLS 10, 10A ... Jig for holding and conveying substrate 11, 11A ... Substrate installation surface, 12 ... Plate-like base material, 12a ... Upper surface, 12b ... Recess, 12c ... Magnet housing part, 12d ... Pin insertion hole, 13 ... Weak Adhesive layer, 14 ... permanent magnet, 15 ... bottom surface (of the jig), 16, 17, 18 ... permanent magnet, 19 ... extrusion pin,
20 ... Substrate pressing member, 20A, 20B ... Substrate pressing member (substrate pressing frame), 20C ... Substrate pressing member (substrate surface protection plate), 21 ... Frame, 22 ... Pressing member magnet, 23 ... Opening,
30 ... Metal mask plate, 31 ... Recess pattern, 32 ... Hole,
DESCRIPTION OF SYMBOLS 40 ... Substrate transfer device (arm type transfer device), 41 ... Arm moving device, 42 ... Transfer arm, 42a ... Arm body, 42b ... Positioning protrusion, 42c ... Jig holding part (leaf spring),
50: pressing member removal jig, 51: contact member, 51a: contact surface, 52: removal magnet.

Claims (18)

プリント配線基板が重ね合わせるようにして設置される基板設置面を有し前記プリント配線基板の搬送に用いられるプレート状の基板保持搬送用治具であって、
プレート状基材の複数箇所に前記プリント配線基板を保持するための弱粘着剤層が前記基板設置面の一部を形成するようにして設けられ、さらに、前記プレート状基材の前記基板設置面に沿う複数箇所に永久磁石あるいは磁性体である磁気吸引用部材を備え、
前記基板設置面に設置されたプリント配線基板の前記プレート状基材とは反対の側に設置される基板押さえ部材に該基板押さえ部材に設けられている磁性体あるいは永久磁石と前記プレート状基材の前記磁気吸引用部材との間の磁気吸引力を作用させることで、プリント配線基板を保持可能とされていることを特徴とする基板保持搬送用治具。
A plate-like substrate holding and transporting jig used for transporting the printed wiring board having a substrate installation surface that is installed so that the printed wiring boards are overlapped,
A weak pressure-sensitive adhesive layer for holding the printed wiring board is provided at a plurality of locations on the plate-like base material so as to form a part of the board-installation surface, and further, the substrate-installation surface of the plate-like base material Including a member for magnetic attraction that is a permanent magnet or a magnetic body at a plurality of locations along
A magnetic body or a permanent magnet provided on the substrate pressing member and a plate-like base material provided on the substrate pressing member installed on the side opposite to the plate-like base material of the printed wiring board installed on the substrate installation surface A printed circuit board can be held by applying a magnetic attraction force between the magnetic attraction member and the magnetic attraction member.
前記磁気吸引用部材は前記弱粘着剤層の前記基板設置面とは反対の側に設けられて前記プレート状基材の複数箇所に分散配置されていることを特徴とする請求項1記載の基板保持搬送用治具。   2. The substrate according to claim 1, wherein the magnetic attraction member is provided on a side opposite to the substrate mounting surface of the weak adhesive layer and is distributed and disposed at a plurality of locations of the plate-like base material. Holding jig. 前記磁気吸引用部材が前記基板設置面の複数箇所に露出するようにして前記プレート状基材に点在配置されていることを特徴とする請求項1記載の基板保持搬送用治具。   2. The substrate holding / conveying jig according to claim 1, wherein the magnetic attraction members are scattered on the plate-like base material so as to be exposed at a plurality of locations on the substrate installation surface. 前記磁気吸引用部材である磁石は、前記基板設置面に設置される前記プリント配線基板側の面に互いに異なる磁極を有することを特徴とする請求項1〜3のいずれかに記載の基板保持搬送用治具。   The substrate holding and conveying according to any one of claims 1 to 3, wherein the magnet that is the member for magnetic attraction has magnetic poles different from each other on a surface on the printed wiring board side installed on the substrate installation surface. Jig. 請求項1〜4のいずれかに記載の基板保持搬送用治具の前記基板設置面に前記プリント配線基板を押さえ込むために用いられる基板押さえ部材であって、その全体あるいは複数箇所が、前記基板保持搬送用治具の磁気吸引用部材との間に磁気吸引力を発生するための永久磁石あるいは磁性体とされていることを特徴とする基板押さえ部材。   5. A substrate pressing member used for pressing the printed wiring board onto the substrate installation surface of the substrate holding and conveying jig according to claim 1, wherein the whole or a plurality of locations are the substrate holding members. A substrate pressing member, wherein the substrate pressing member is a permanent magnet or a magnetic body for generating a magnetic attraction force between the conveying jig and the magnetic attraction member. 前記基板保持搬送用治具の前記基板設置面に重ね合わせたプリント配線基板に積層するようにして設置される板状に形成され、しかも、プリント配線基板の電子部品実装部に対応する位置に開孔を有し、前記プリント配線基板に重ね合わせたときに前記プリント配線基板表面の前記電子部品実装部を除く部分全体を覆う部材である基板表面保護プレートとして機能することを特徴とする請求項5記載の基板押さえ部材。   It is formed in a plate shape that is installed so as to be laminated on a printed wiring board superimposed on the board installation surface of the substrate holding and conveying jig, and is opened at a position corresponding to an electronic component mounting portion of the printed wiring board. 6. The substrate surface protection plate, which has a hole and functions as a member that covers the entire portion of the surface of the printed wiring board excluding the electronic component mounting portion when superimposed on the printed wiring board. The board | substrate holding member of description. 前記開孔は、前記基板保持搬送用治具の前記磁気吸引用部材に対応する部位を避けた位置に形成されていることを特徴とする請求項6記載の基板押さえ部材。   7. The substrate pressing member according to claim 6, wherein the opening is formed at a position avoiding a portion corresponding to the magnetic attraction member of the substrate holding and conveying jig. 前記プリント配線基板の外周部に対応する枠状に形成されていることを特徴とする請求項5記載の基板押さえ部材。   The board pressing member according to claim 5, wherein the board pressing member is formed in a frame shape corresponding to an outer peripheral portion of the printed wiring board. 請求項1〜4のいずれかに記載の基板保持搬送用治具の前記基板設置面にプリント配線基板を押さえ込んだ請求項5〜8のいずれかに記載の基板押さえ部材の取り外しに用いる押さえ部材取り外し治具であって、
前記基板押さえ部材に重ね合わせるようにして当接される当接面を有する当接部材を具備し、この当接部材の前記当接面の前記基板保持搬送用治具の前記永久磁石の磁極に対応する位置に前記永久磁石の磁極と同一の磁極を有することを特徴とする押さえ部材取り外し治具。
The pressing member removal used for the removal of the board | substrate holding | suppressing member in any one of Claims 5-8 which pressed the printed wiring board in the said board | substrate installation surface of the board | substrate holding | maintenance conveyance jig in any one of Claims 1-4. A jig,
An abutting member having an abutting surface to be abutted so as to be superimposed on the substrate pressing member; and a magnetic pole of the permanent magnet of the substrate holding and conveying jig on the abutting surface of the abutting member. A pressing member removing jig having the same magnetic pole as that of the permanent magnet at a corresponding position.
前記基板保持搬送用治具の永久磁石の磁極に対応する磁極を形成する磁石が前記当接部材の複数箇所に設けられていることを特徴とする請求項9記載の押さえ部材取り外し治具。   The pressing member removing jig according to claim 9, wherein magnets forming magnetic poles corresponding to the magnetic poles of the permanent magnets of the substrate holding and conveying jig are provided at a plurality of locations of the contact member. 請求項6又は7記載の基板押さえ部材を用いてプリント配線基板を請求項1〜4のいずれかに記載の基板保持搬送用治具の基板設置面に押さえ込んだ状態にて、前記電子部品実装部へのクリームはんだの印刷を行う際に、前記基板押さえ部材に重ね合わせるように設置して用いるメタルマスク版であって、
前記基板押さえ部材の前記開孔以外の部分を非接触で収納する凹所パターンと、前記プリント配線基板の電子部品実装部の前記クリームはんだの印刷を行う領域に対応する孔パターンとが形成されていることを特徴とするメタルマスク版。
The electronic component mounting portion in a state in which the printed circuit board is pressed onto the board installation surface of the board holding and conveying jig according to any one of claims 1 to 4 using the board pressing member according to claim 6 or 7. When performing the printing of cream solder on the metal mask plate used to be installed so as to overlap the substrate pressing member,
A recess pattern for storing a portion other than the opening of the substrate pressing member in a non-contact manner and a hole pattern corresponding to a region for printing the cream solder on the electronic component mounting portion of the printed wiring board are formed. A metal mask version characterized by
プリント配線基板を、請求項5〜8のいずれかに記載の基板押さえ部材を用いて請求項1〜4のいずれかに記載の基板保持搬送用治具の基板設置面に押さえ込んで搬送することを特徴とする基板搬送方法。   The printed wiring board is conveyed by being pressed onto the substrate installation surface of the substrate holding and conveying jig according to any one of claims 1 to 4 using the substrate pressing member according to any one of claims 5 to 8. A substrate carrying method characterized by the above. プリント配線基板を前記基板押さえ部材を用いて前記基板保持搬送用治具の基板設置面に押さえ込んだ状態で前記基板押さえ部材を取り外す押さえ解除位置まで前記基板保持搬送用治具とともに搬送し、前記押さえ解除位置にて請求項9又は10記載の押さえ部材取り外し治具を用いて前記基板押さえ部材を取り外すことを特徴とする請求項12記載の基板搬送方法。   The printed circuit board is transported together with the substrate holding and transporting jig to the pressing release position where the substrate pressing member is removed while the printed circuit board is pressed onto the substrate installation surface of the substrate holding and transporting jig using the substrate pressing member. The substrate transfer method according to claim 12, wherein the substrate pressing member is removed using the pressing member removing jig according to claim 9 or 10 at the release position. 前記基板保持搬送用治具として、前記基板保持搬送用治具にその前記基板設置面に重ね合わすようにして設置されたプリント配線基板を前記基板設置面から離隔させる突き出しピンを挿入するためのピン挿入孔が貫設されているものを用い、前記基板押さえ部材の取り外しと同時あるいは基板押さえ部材の取り外し完了後に、前記ピン挿入孔に挿入した突き出しピンによってプリント配線基板を前記基板設置面から離隔させることを特徴とする請求項13記載の基板搬送方法。   As the substrate holding and conveying jig, a pin for inserting a protruding pin that separates the printed wiring board installed on the substrate holding and conveying jig so as to overlap the substrate installation surface from the substrate installing surface Using an insertion hole penetrating, the printed wiring board is separated from the board installation surface by the protruding pin inserted into the pin insertion hole at the same time as or after the board holding member is removed. The substrate carrying method according to claim 13. プリント配線基板に電子部品を実装してなる電子部品付き配線基板を製造するための電子部品付き配線基板の製造方法であって、
前記電子部品付き配線基板を製造するためにプリント配線基板の電子部品実装部について行う製造工程であり、クリームはんだの印刷、電子部品のマウント、前記クリームはんだのリフローのうち、前記電子部品のマウントを含む1以上の工程を有し、この工程の1又は複数を請求項6〜8のいずれかに記載の基板押さえ部材を用いて請求項1〜4のいずれかに記載の基板保持搬送用治具の基板設置面にプリント配線基板を押さえ込んだ状態にて行うことを特徴とする電子部品付き配線基板の製造方法。
A method of manufacturing a wiring board with an electronic component for manufacturing a wiring board with an electronic component obtained by mounting an electronic component on a printed wiring board,
It is a manufacturing process to be performed on an electronic component mounting portion of a printed wiring board in order to manufacture the wiring board with electronic components, and the mounting of the electronic components among cream solder printing, electronic component mounting, and cream solder reflow is performed. The substrate holding / conveying jig according to any one of claims 1 to 4, wherein the substrate holding member according to any one of claims 6 to 8 is used. A method of manufacturing a wiring board with electronic components, wherein the printed wiring board is pressed onto the board installation surface of the electronic component.
前記工程として、前記プリント配線基板の電子部品実装部へのクリームはんだの印刷を含む1以上を有し、この工程のうちクリームはんだの印刷を、請求項6又は7記載の基板押さえ部材を用いてプリント配線基板を請求項1〜4のいずれかに記載の基板保持搬送用治具の基板設置面に押さえ込み、さらに、前記基板押さえ部材に請求項11記載のメタルマスク版を重ね合わせるように設置した状態にて行うことを特徴とする請求項15記載の電子部品付き配線基板の製造方法。   It has 1 or more including the printing of the cream solder to the electronic component mounting part of the said printed wiring board as said process, The printing of a cream solder is used among the processes using the board | substrate pressing member of Claim 6 or 7. The printed wiring board is pressed onto the board installation surface of the substrate holding and conveying jig according to any one of claims 1 to 4, and further, the metal mask plate according to claim 11 is installed on the board holding member so as to overlap. The method for manufacturing a wiring board with electronic components according to claim 15, wherein the method is performed in a state. 請求項1〜4のいずれかに記載の基板保持搬送用治具が取り付けられる搬送アームと、この搬送アームを移動させるアーム移動装置とを具備し、プリント配線基板を前記搬送アームに取り付けられた前記基板保持搬送用治具と請求項5〜8のいずれかに記載の基板押さえ部材との間に挟み込んだ状態で搬送可能とされていることを特徴とする基板搬送装置。   A transport arm to which the substrate holding and transporting jig according to any one of claims 1 to 4 is attached, and an arm moving device for moving the transport arm, wherein the printed wiring board is attached to the transport arm. 9. A substrate transport apparatus, wherein the substrate transport apparatus is capable of being transported while being sandwiched between a substrate holding / conveying jig and the substrate pressing member according to claim 5. 前記搬送アームに、前記基板保持搬送用治具を着脱可能に保持する治具保持部が設けられていることを特徴とする請求項17記載の基板搬送装置。   The substrate transfer apparatus according to claim 17, wherein a jig holding unit that detachably holds the substrate holding and transferring jig is provided on the transfer arm.
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