JPH05342917A - Anisotropic conductive member and structure for connecting circuit substrate using the same - Google Patents

Anisotropic conductive member and structure for connecting circuit substrate using the same

Info

Publication number
JPH05342917A
JPH05342917A JP15334392A JP15334392A JPH05342917A JP H05342917 A JPH05342917 A JP H05342917A JP 15334392 A JP15334392 A JP 15334392A JP 15334392 A JP15334392 A JP 15334392A JP H05342917 A JPH05342917 A JP H05342917A
Authority
JP
Japan
Prior art keywords
conductive member
anisotropic conductive
linear
linear member
anisotropic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15334392A
Other languages
Japanese (ja)
Inventor
Yoshihiro Yoshida
芳博 吉田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15334392A priority Critical patent/JPH05342917A/en
Publication of JPH05342917A publication Critical patent/JPH05342917A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/361—Assembling flexible printed circuits with other printed circuits

Landscapes

  • Combinations Of Printed Boards (AREA)
  • Non-Insulated Conductors (AREA)

Abstract

PURPOSE:To provide an anisotropic conductive member applicable to a wiring pattern at a fine pitch without short-circuiting the adjacent wiring patterns and connection structure for a circuit substrate at a low cost. CONSTITUTION:An anisotropic conductive member 1 is constituted of a linear insulating member 2 having a fine diameter and extending in a predetermined direction, and a plurality of conductive members each larger in diameter than the linear member 2 and fixed to the linear member 2 in a manner spaced from each other. Substrates 11, 13 are connected to each other via the plurality of anisotropic conductive members 1.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、異方性導電部材および
この異方性導電部材による回路基板の接続構造に関し、
詳しくは、回路基板相互の電極パターンに介在され、該
回路基板を電気的に接続する異方性導電部材およびこの
異方性導電部材が介装された回路基板の接続構造に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anisotropic conductive member and a circuit board connection structure using the anisotropic conductive member,
More specifically, the present invention relates to an anisotropic conductive member interposed between electrode patterns of circuit boards and electrically connecting the circuit boards, and a connection structure of a circuit board having the anisotropic conductive member interposed.

【０００２】[0002]

【従来の技術】近時、液晶表示装置等の回路基板に半導
体チップ等の回路基板をファインピッチで実装する需要
が高まっており、この需要を満足するために、異方性導
電部材により両回路基板を電気的に接続することが非常
に重要な要素となっている。従来のこの種の異方性導電
部材を有する回路基板の接続構造としては、例えば、特
開平２−２０４９１８号公報および特開平３−２７５４
２号公報に記載されたようなものがある。このものは、
微小な径を有する導電粒子が分散されて含有された導電
性樹脂を、加圧によって回路基板の配線パターン間に介
装することにより、導電性樹脂で両回路基板を接続する
とともに、導電性粒子で両回路基板の配線パターンを電
気的に接続するようにしている。2. Description of the Related Art Recently, there is an increasing demand for mounting a circuit board such as a semiconductor chip on a circuit board of a liquid crystal display device or the like at a fine pitch. Electrically connecting the substrates is a very important factor. As a conventional connection structure for a circuit board having an anisotropic conductive member of this type, for example, JP-A-2-204918 and JP-A-3-2754.
There is one such as that described in Japanese Patent Publication No. This one is
By interposing a conductive resin containing conductive particles having a minute diameter dispersed therein between the wiring patterns of the circuit board by applying pressure, both circuit boards are connected by the conductive resin and the conductive particles are The wiring patterns of both circuit boards are electrically connected.

【０００３】[0003]

【発明が解決しようとする課題】しかしながら、このよ
うな従来の異方性導電性部材を有する回路基板の接続構
造にあっては、微小な径を有する導電粒子が分散されて
含有された導電性樹脂を、加圧によって回路基板の配線
パターン間に介装していたため、加圧時に導電部材が配
線パターンから移動してしまい、隣接する配線間をショ
ートさせてしまうという問題があった。このため、この
導電部材を配線パターン間にファインピッチで介装する
ことができなかった。However, in the connection structure of the circuit board having such a conventional anisotropic conductive member, the conductive structure containing conductive particles having a minute diameter dispersed therein is contained. Since the resin is interposed between the wiring patterns of the circuit board by applying pressure, there is a problem that the conductive member moves out of the wiring pattern when applying pressure and short-circuits between adjacent wirings. Therefore, this conductive member could not be interposed between the wiring patterns at a fine pitch.

【０００４】これに加えて、導電部材を導電性樹脂に混
入し、さらに、この導電性部材が含有された導電性樹脂
を両回路基板間に高精度に介装する工程が必要があるた
め、配線基板の加工工程が増加してしまい、加工が面倒
である上に加工コストが増大してしまうという問題があ
った。そこで請求項１〜６項記載の発明は、隣接する配
線パターン間をショートさせることなしに、ファインピ
ッチで配線パターンに対応することができる異方性導電
部材を提供することを目的としている。In addition to this, it is necessary to mix the conductive member with the conductive resin, and further to interpose the conductive resin containing the conductive member with high precision between both circuit boards. There is a problem that the number of processing steps of the wiring board is increased, the processing is troublesome and the processing cost is increased. Therefore, it is an object of the inventions of claims 1 to 6 to provide an anisotropic conductive member capable of dealing with a wiring pattern at a fine pitch without short-circuiting between adjacent wiring patterns.

【０００５】また、請求項７記載の発明は、隣接する配
線パターン間をショートさせることなしに、ファインピ
ッチで配線パターンに対応することができるとともに、
加工を容易に行うことができ、安価な回路基板の接続構
造を提供することを目的としている。Further, according to the invention of claim 7, it is possible to cope with the wiring pattern at a fine pitch without short-circuiting between the adjacent wiring patterns, and
It is an object of the present invention to provide an inexpensive circuit board connection structure that can be easily processed.

【０００６】[0006]

【課題を解決するための手段】請求項１記載の発明は、
上記課題を解決するために、回路基板間に介装され、該
回路基板を電気的に接続する異方性導電部材において、
微小な径を有し、所定方向に延在する絶縁性の線状部材
と、該線状部材の径よりも大きな径を有し、互いに離隔
して線状部材に固着された複数の導電部材からなること
を特徴としている。The invention according to claim 1 is
In order to solve the above problems, in an anisotropic conductive member that is interposed between circuit boards and electrically connects the circuit boards,
An insulating linear member that has a minute diameter and extends in a predetermined direction, and a plurality of conductive members that have a diameter larger than the diameter of the linear member and that are separated from each other and fixed to the linear member. It is characterized by consisting of.

【０００７】請求項２記載の発明は、上記課題を解決す
るために、請求項１記載の異方性導電部材の少なくとも
１本以上から構成され、該異方性導電部材の両端部がそ
れぞれ絶縁性部材に固定されることにより、テープ状に
形成されたことを特徴としている。請求項３記載の発明
は、上記課題を解決するために、請求項１記載の異方性
導電部材が複数個平行に配設され、該異方性導電部材の
周囲が絶縁性部材を介して接続されることにより、シー
ト状に成形されたことを特徴としている。In order to solve the above-mentioned problems, the invention according to claim 2 comprises at least one anisotropic conductive member according to claim 1, and both ends of the anisotropic conductive member are insulated. It is characterized in that it is formed in a tape shape by being fixed to the flexible member. In order to solve the above-mentioned problems, the invention according to claim 3 is such that a plurality of anisotropic conductive members according to claim 1 are arranged in parallel, and the periphery of the anisotropic conductive members is provided with an insulating member. It is characterized by being formed into a sheet by being connected.

【０００８】請求項４記載の発明は、上記課題を解決す
るために、前記導電部材が、線状部材の所定の位置に固
着されることを特徴としている。請求項５記載の発明
は、上記課題を解決するために、前記線状部材が、絶縁
性材料が被覆された導電材料から構成されることを特徴
としている。請求項６記載の発明は、上記課題を解決す
るために、前記導電部材が、粘着剤によって線状部材に
固着されたことを特徴としている。請求項７記載の発明
は、上記課題を解決するために、請求項１記載の異方性
導電部材の少なくとも１つ以上が、回路基板相互の配線
パターン間に介装されたことを特徴としている。In order to solve the above problems, the invention according to claim 4 is characterized in that the conductive member is fixed to a predetermined position of the linear member. In order to solve the above-mentioned problems, the invention according to claim 5 is characterized in that the linear member is made of a conductive material coated with an insulating material. In order to solve the above problems, the invention according to claim 6 is characterized in that the conductive member is fixed to the linear member by an adhesive. In order to solve the above problems, the invention according to claim 7 is characterized in that at least one or more of the anisotropic conductive members according to claim 1 are interposed between wiring patterns of circuit boards. ..

【０００９】[0009]

【作用】請求項１記載の発明では、異方性導電部材が、
微小な径を有し、所定方向に延在する絶縁性の線状部材
と、該線状部材の径よりも大きな径を有し、互いに離隔
して線状部材に固着された複数の導電部材から構成され
ている。したがって、導電部材が予め線状部材に固着さ
れた状態で回路基板間に介装され、この際に、線状部材
が捩られ、導電部材が同一平面上に位置されて電子基板
間に介装される。この結果、電子基板の配線パターン間
にショートが発生することがなく、ファインピッチで配
線パターンに対応される。また、導電部材が線状部材に
固着された構造であるので、構造が非常に簡素化され、
その製造が容易に行われる。In the invention described in claim 1, the anisotropic conductive member is
An insulating linear member that has a minute diameter and extends in a predetermined direction, and a plurality of conductive members that have a diameter larger than the diameter of the linear member and that are separated from each other and fixed to the linear member. It consists of Therefore, the conductive member is preliminarily fixed to the linear member and is interposed between the circuit boards. At this time, the linear member is twisted so that the conductive member is positioned on the same plane and is interposed between the electronic substrates. To be done. As a result, a short circuit does not occur between the wiring patterns of the electronic substrate, and the wiring patterns can be handled at a fine pitch. Further, since the conductive member is a structure fixed to the linear member, the structure is greatly simplified,
Its manufacture is easy.

【００１０】請求項２記載の発明では、異方性導電部材
が、少なくとも１本以上から構成され、該異方性導電部
材の両端部がそれぞれ絶縁性部材に固定されることによ
り、テープ状に形成されている。したがって、異方性導
電部材の取り扱いが容易になり、この異方性導電部材が
回路基板に容易に取付けられて、その取付け作業の作業
性が向上する。According to a second aspect of the present invention, the anisotropic conductive member is composed of at least one or more, and both ends of the anisotropic conductive member are fixed to the insulating member to form a tape shape. Has been formed. Therefore, the anisotropic conductive member is easily handled, and the anisotropic conductive member is easily attached to the circuit board, so that the workability of the attaching work is improved.

【００１１】請求項３記載の発明では、異方性導電部材
が複数個平行に配設され、該異方性導電部材の周囲が絶
縁性部材を介して接続されることにより、シート状に成
形される。したがって、このシート状の異方性導電部材
が、あらゆる種類の回路基板の配線パターンに容易に取
付けられ、その使用性能が向上する。請求項４記載の発
明では、導電部材が線状部材の所定の位置に固着され
る。したがって、配線パターンに対応する箇所に導電部
材が配設され、導電部材が必要最小限度で済む。この結
果、導電部材の数が低減され、異方性導電部材のコスト
が低減される。According to a third aspect of the present invention, a plurality of anisotropic conductive members are arranged in parallel, and the periphery of the anisotropic conductive members are connected via an insulating member to form a sheet. To be done. Therefore, this sheet-shaped anisotropic conductive member can be easily attached to the wiring patterns of all kinds of circuit boards, and the use performance thereof is improved. According to the invention of claim 4, the conductive member is fixed to a predetermined position of the linear member. Therefore, the conductive member is arranged at a position corresponding to the wiring pattern, and the conductive member can be minimized. As a result, the number of conductive members is reduced, and the cost of anisotropic conductive members is reduced.

【００１２】請求項５記載の発明では、線状部材が、絶
縁性材料が被覆された導電材料から構成されている。し
たがって、異方性導電部材がその本来の機能以外にジャ
ンパー線として機能され、その使用性能が向上する。請
求項６記載の発明では、導電部材が、粘着剤によって線
状部材に固着されている。したがって、導電部材が線状
部材の周囲に少量移動可能になる。このため、この異方
性導電部材が回路基板に取付けられる際に、回路基板に
加圧力が加えられると、導電部材が線状部材の周囲に移
動され、線状部材のねじれ効果と併せて異方性導電部材
が回路基板間に高密度に介装される。また、導電部材が
線状部材に高密度に散布可能になり、異方性導電部材の
製造作業の作業性が向上する。According to the invention of claim 5, the linear member is made of a conductive material coated with an insulating material. Therefore, the anisotropic conductive member functions as a jumper wire in addition to its original function, and its use performance is improved. In the invention according to claim 6, the conductive member is fixed to the linear member with an adhesive. Therefore, the conductive member can move a small amount around the linear member. Therefore, when a pressure is applied to the circuit board when the anisotropic conductive member is attached to the circuit board, the conductive member is moved to the periphery of the linear member, which causes a twisting effect of the linear member. The anisotropic conductive member is densely interposed between the circuit boards. Further, the conductive member can be dispersed on the linear member at a high density, and the workability of manufacturing the anisotropic conductive member is improved.

【００１３】請求項７記載の発明では、異方性導電部材
の少なくとも１つ以上が、回路基板相互の配線パターン
間に介装される。したがって、導電部材が予め線状部材
に固着された状態で電子基板間に介装され、この際に、
線状部材が捩られ、導電部材が同一平面上に位置されて
電子基板間に介装される。この結果、回路基板の配線パ
ターン間にショートが発生することがなく、ファインピ
ッチで配線パターンに対応される。また、線状部材およ
び該線状部材に固着された導電部材から構成された異方
性導電部材が回路基板間に介装されるので、回路基板の
加工が容易に行われ、安価な回路基板の接続構造が得ら
れる。According to the seventh aspect of the invention, at least one of the anisotropic conductive members is interposed between the wiring patterns of the circuit boards. Therefore, the conductive member is preliminarily fixed to the linear member and is interposed between the electronic boards, and at this time,
The linear member is twisted, the conductive member is located on the same plane, and is interposed between the electronic boards. As a result, short circuits do not occur between the wiring patterns on the circuit board, and the wiring patterns can be handled at a fine pitch. In addition, since the anisotropic conductive member composed of the linear member and the conductive member fixed to the linear member is interposed between the circuit boards, the circuit board can be easily processed, and the circuit board is inexpensive. The connection structure of is obtained.

【００１４】[0014]

【実施例】以下、本発明を実施例に基づいて説明する。
図１〜６は請求項１、２、５、６、７の何れかに記載の
発明に係る異方性導電部材およびこの異方性導電部材に
よる回路基板の接続構造の一実施例を示す図である。EXAMPLES The present invention will be described below based on examples.
1 to 6 are views showing an embodiment of an anisotropic conductive member according to the invention described in any one of claims 1, 2, 5, 6, and 7, and a circuit board connection structure using the anisotropic conductive member. Is.

【００１５】まず、構成を説明する。図１において、１
は異方性導電部材であり、該異方性導電部材１は、微小
な径を有し、所定方向に延在する直径約30μmのナイロ
ンからなる絶縁性の線状部材２と、該線状部材２の径よ
りも大きな径を有し、互いに離隔して線状部材に固着さ
れた直径約50μmの導電粒子(例えば、ミクロパール(積
水ファインケミカル社製)からなる複数の導電部材３か
ら構成されている。なお、線状部材２は、直径10〜40μ
mの範囲が好ましく、また、導電部材３は直径15〜50μm
の範囲に形成されるのが好ましい。First, the structure will be described. In FIG. 1, 1
Is an anisotropic conductive member, and the anisotropic conductive member 1 has an insulative linear member 2 made of nylon having a minute diameter and extending in a predetermined direction and having a diameter of about 30 μm; The conductive member 3 has a diameter larger than that of the member 2 and is separated from each other and fixed to the linear member and has a diameter of about 50 μm (for example, a plurality of conductive members 3 made of Micropearl (manufactured by Sekisui Fine Chemical Co., Ltd.). The linear member 2 has a diameter of 10 to 40 μm.
The range of m is preferable, and the conductive member 3 has a diameter of 15 to 50 μm.
Is preferably formed in the range.

【００１６】この異方性導電部材１は、線状部材２に５
〜10μmの紫外線硬化接着剤(例えば、Ａ3034(ロックタ
イト社製)をコーティングした後、導電部材３を付着
し、次いで、接着剤に紫外線を照射することによって接
着剤を硬化させ、線状部材２に導電部材３を固着するこ
とにより製造されている。図２は回路基板の接続構造を
示すその回路基板の断面図であり、図２において、11は
回路基板を構成するガラス基板、12はガラス基板11の配
線パターン、13は回路基板を構成するＴＡＢ基板、14は
ＴＡＢ基板13の配線パターン、１は上記異方性導電部材
であり、この部材１はガラス基板11およびＴＡＢ基板13
の配線パターン12、14の間に約10本介装され、ガラス基
板11およびＴＡＢ基板13を電気的に接続している。ま
た、15は紫外線硬化接着剤である。The anisotropic conductive member 1 is composed of the linear member 2 and the anisotropic member 5.
After coating with a UV curable adhesive (for example, A3034 (manufactured by Loctite Co., Ltd.) of 10 μm, the conductive member 3 is attached, and then the adhesive is cured by irradiating the adhesive with ultraviolet rays to form the linear member 2. It is manufactured by fixing the conductive member 3. Fig. 2 is a cross-sectional view of the circuit board showing the connection structure of the circuit board, in Fig. 2, 11 is a glass substrate constituting the circuit substrate, and 12 is a glass substrate. 11 is a wiring pattern, 13 is a TAB substrate constituting a circuit board, 14 is a wiring pattern of the TAB substrate 13, 1 is the anisotropic conductive member, and this member 1 is a glass substrate 11 and a TAB substrate 13.
About 10 wiring patterns are provided between the wiring patterns 12 and 14 to electrically connect the glass substrate 11 and the TAB substrate 13. Further, 15 is an ultraviolet curing adhesive.

【００１７】次に、図３、４に基づいてこのガラス基板
11およびＴＡＢ基板13の接続方法について説明する。ま
ず、ＴＡＢ基板13上に接着剤15を約10μm塗付した後、
この基板13上に異方性導電部材１を約10本配置し、この
部材１を加圧しながら接着剤15に紫外線を照射する。こ
のため、接着剤15が硬化して異方性導電部材１が基板13
上に固定される。Next, based on FIGS. 3 and 4, this glass substrate
A method of connecting the 11 and the TAB substrate 13 will be described. First, after applying the adhesive 15 on the TAB substrate 13 by about 10 μm,
About ten anisotropic conductive members 1 are arranged on the substrate 13, and the adhesive 15 is irradiated with ultraviolet rays while pressing the member 1. As a result, the adhesive 15 is cured and the anisotropic conductive member 1 is attached to the substrate 13
Fixed on.

【００１８】次いで、ガラス基板11上に接着剤15を塗付
した後、このガラス基板11上の配線パターン12にＴＡＢ
基板13の配線パターン14に合わせるように位置決めしな
がらガラス基板11をＴＡＢ基板13に重ねる。次いで、両
基板11、13を約10〜20kg/cm2で加圧しながら接着剤15に
紫外線を照射する。このとき、加圧力Ｆを加えて行く
と、図４(ａ)〜(ｃ)に示すように線状部材２が捩れて行
き、導電部材３が同一平面上に配設されて配線パターン
12、14間に確実に介装される。そして、紫外線15が硬化
したときに、両基板11、13が異方性導電部材１を介して
電気的に接続される。Next, after applying the adhesive 15 on the glass substrate 11, the TAB is formed on the wiring pattern 12 on the glass substrate 11.
The glass substrate 11 is placed on the TAB substrate 13 while being positioned so as to match the wiring pattern 14 of the substrate 13. Next, the adhesive 15 is irradiated with ultraviolet rays while applying pressure to both the substrates 11 and 13 at about 10 to 20 kg / cm 2 . At this time, when the pressing force F is applied, the linear member 2 is twisted as shown in FIGS. 4 (a) to 4 (c), and the conductive member 3 is arranged on the same plane to form the wiring pattern.
It is securely inserted between 12 and 14. Then, when the ultraviolet rays 15 are hardened, the two substrates 11 and 13 are electrically connected via the anisotropic conductive member 1.

【００１９】このように本実施例では、異方性導電部材
１を、微小な径を有し、所定方向に延在する絶縁性の線
状部材２と、該線状部材２の径よりも大きな径を有し、
互いに離隔して線状部材２に固着された複数の導電部材
３から構成し、この異方性導電部材１を複数本用いて両
基板11、13を接続しているため、導電部材３を予め線状
部材２に固着した状態で両基板11、13間に介装すること
ができ、この際に、線状部材２を捩らせて導電部材３を
同一平面上に位置させて両基板11、13間に介装すること
ができる。As described above, in the present embodiment, the anisotropic conductive member 1 has an insulative linear member 2 having a minute diameter and extending in a predetermined direction, and a diameter smaller than that of the linear member 2. Has a large diameter,
The conductive member 3 is composed of a plurality of conductive members 3 which are separated from each other and fixed to the linear member 2 and a plurality of anisotropic conductive members 1 are used to connect the substrates 11 and 13 to each other. It can be interposed between the two substrates 11 and 13 while being fixed to the linear member 2. At this time, the linear member 2 is twisted to position the conductive member 3 on the same plane and both substrates 11 and 13 are placed. , 13 can be interposed.

【００２０】この結果、両基板11、13の配線パターン1
2、14間にショートが発生するのを防止することがで
き、ファインピッチで配線パターン12、14に対応させる
ことができる。また、導電部材３を線状部材２に固着さ
せているため、構造を非常に簡素化することができ、そ
の製造を容易に行うことができる。また、両基板11、13
の加工を容易に行なうことができ、安価な回路基板の接
続構造を得ることができる。As a result, the wiring pattern 1 on both substrates 11 and 13
It is possible to prevent a short circuit from occurring between 2 and 14, and it is possible to correspond to the wiring patterns 12 and 14 at a fine pitch. Further, since the conductive member 3 is fixed to the linear member 2, the structure can be greatly simplified and the manufacturing thereof can be easily performed. In addition, both boards 11, 13
Can be easily processed, and an inexpensive circuit board connection structure can be obtained.

【００２１】また、導電部材３を、線状部材２の所定の
位置に固着するようにすれば、配線パターン12、14に対
応する箇所に導電部材３を配設させることができ、導電
部材３を必要最小限にすることができる。このようにす
れば、導電部材３の数を低減させて、異方性導電性部材
１のコストを低減させることができる。また、本実施例
では、線状部材２に直接導電部材３を固着しているが、
これに限らず、図５に示すように、線状部材21を、エナ
メル等の絶縁性材料22およびこの材料22が被覆された直
径約20μmの銅線等からなる導電材料23から構成し、絶
縁性材料22に直径約40μmのミクロパール等からなる導
電部材24を固着するようにしても良い。このようにすれ
ば、異方性導電部材の本来の機能以外にジャンパー線と
しても用いることができ、その使用性能を向上させるこ
とができる。Further, if the conductive member 3 is fixed to a predetermined position of the linear member 2, the conductive member 3 can be arranged at a position corresponding to the wiring patterns 12 and 14, and the conductive member 3 can be arranged. Can be minimized. By doing so, it is possible to reduce the number of conductive members 3 and reduce the cost of the anisotropic conductive member 1. Further, in this embodiment, the conductive member 3 is directly fixed to the linear member 2, but
Not limited to this, as shown in FIG. 5, the linear member 21 is composed of an insulating material 22 such as enamel and a conductive material 23 such as a copper wire having a diameter of about 20 μm covered with the material 22 and insulating A conductive member 24 made of micropearl or the like having a diameter of about 40 μm may be fixed to the conductive material 22. By doing so, in addition to the original function of the anisotropic conductive member, it can be used as a jumper wire and its use performance can be improved.

【００２２】また、この他に、図６に示すように、導電
部材３を、粘着剤30(例えば、Ａ3080(ロックタイト社
製))によって線状部材２に固着するようにしも良い。こ
のようにすれば、矢印で示すように導電部材３を線状部
材２の周囲に少量移動可能にすることができる。このた
め、この異方性導電部材１を前記両基板11、13に取付け
る際に、両基板11、13に加圧力を加えると、導電部材３
を線状部材２の周囲に移動させることができ、線状部材
２のねじれ効果と併せて異方性導電部材１を両基板11、
13間に高密度に介装させることができる。また、導電部
材３を線状部材２に高密度に散布することができ、異方
性導電部材１の製造作業の作業性を向上させることがで
きる。In addition to this, as shown in FIG. 6, the conductive member 3 may be fixed to the linear member 2 with an adhesive 30 (for example, A3080 (manufactured by Loctite)). By doing so, the conductive member 3 can be moved around the linear member 2 by a small amount as indicated by the arrow. Therefore, when the anisotropic conductive member 1 is attached to both the substrates 11 and 13, if a pressing force is applied to both the substrates 11 and 13, the conductive member 3
Can be moved around the linear member 2, and the anisotropic conductive member 1 can be attached to both substrates 11,
It is possible to interpose 13 at high density. In addition, the conductive member 3 can be scattered on the linear member 2 with high density, and the workability of the manufacturing work of the anisotropic conductive member 1 can be improved.

【００２３】図７〜12は請求項２または３記載の発明に
係る異方性導電部材の一実施例を示す図である。なお、
図７において、(ａ)は異方性導電部材の構成図、(ｂ)は
異方性導電部材を製造するためのテフロン円柱に異方性
導電部材を螺旋状に巻き付けた状態を示す図である。ま
た、図８(ａ)は線状部材に接着剤を塗付した状板を示す
図、(ｂ)はテフロン円柱から異方性導電部材を取り外し
た状態を示す図である。なお、図７(ｂ)および図８(ａ)
(ｂ)では、導電部材を図示省略している。7 to 12 are views showing an embodiment of the anisotropic conductive member according to the invention described in claim 2 or 3. In addition,
In FIG. 7, (a) is a configuration diagram of the anisotropic conductive member, and (b) is a diagram showing a state in which the anisotropic conductive member is spirally wound around a Teflon cylinder for manufacturing the anisotropic conductive member. is there. Further, FIG. 8A is a view showing a plate in which an adhesive is applied to a linear member, and FIG. 8B is a view showing a state in which the anisotropic conductive member is removed from the Teflon cylinder. 7 (b) and 8 (a)
In (b), the conductive member is not shown.

【００２４】以下、図７、８に基づいて異方性導電部材
41を製造する方法について説明する。まず、図７(ｂ)に
示すように、上記実施例で示した異方性導電部材１をテ
フロン円柱42に約200μmの間隔で螺旋状に巻い付ける。
次いで、図８(ａ)に示すうように、約３mm間隔でテフロ
ン円柱42の高さ方向に絶縁性部材である紫外線硬化接着
剤43を塗付し、該樹脂43に紫外線を照射して樹脂43を硬
化させる。次いで、この異方性導電部材１をテフロン円
柱42から取り外した後、図８(ｂ)に示すように、一点鎖
線を境にして接着剤43を切り離す。Hereinafter, an anisotropic conductive member will be described with reference to FIGS.
A method for manufacturing 41 will be described. First, as shown in FIG. 7B, the anisotropic conductive member 1 shown in the above embodiment is spirally wound around the Teflon cylinder 42 at intervals of about 200 μm.
Then, as shown in FIG. 8 (a), a UV curable adhesive 43, which is an insulating member, is applied in the height direction of the Teflon cylinder 42 at intervals of about 3 mm, and the resin 43 is irradiated with ultraviolet rays. Cure 43. Next, after removing this anisotropic conductive member 1 from the Teflon cylinder 42, as shown in FIG. 8 (b), the adhesive 43 is cut off along the dashed line.

【００２５】この結果、図７(ａ)に示すように、異方性
導電部材１の両端部がそれぞれ接着剤43に固定され、テ
ープ状に形成された異方性導電部材41が形成される。本
実施例では、異方性導電部材41がテープ状に形成されて
いるため、導電部材41の取り扱いを容易にすることがで
き、この導電部材41を回路基板に容易に取付けることが
できる。この結果、異方性導電部材41の取付け作業の作
業性を向上させることができる。As a result, as shown in FIG. 7 (a), both ends of the anisotropic conductive member 1 are fixed to the adhesive 43 to form the tape-shaped anisotropic conductive member 41. .. In this embodiment, since the anisotropic conductive member 41 is formed in a tape shape, the conductive member 41 can be easily handled, and the conductive member 41 can be easily attached to the circuit board. As a result, the workability of attaching the anisotropic conductive member 41 can be improved.

【００２６】なお、本実施例では、異方性導電部材１を
テフロン円柱42を螺旋状に巻回させているが、これに限
らず、テフロン円柱42の高さ方向と垂直方向に巻き付け
た後、接着剤をテフロン円柱の高さ方向に塗付しても良
い。このようにして、テフロン円柱42に巻き付けられた
ものをテフロン円柱42から取り外して上述したように接
着剤を切り離せば、図９に示すような異方性導電部材44
を形成することができる。In this embodiment, the Teflon cylinder 42 is spirally wound around the anisotropic conductive member 1. However, the invention is not limited to this, and after the Teflon cylinder 42 is wound in the vertical direction and the vertical direction. The adhesive may be applied in the height direction of the Teflon cylinder. In this manner, if what is wound around the Teflon cylinder 42 is removed from the Teflon cylinder 42 and the adhesive is cut off as described above, the anisotropic conductive member 44 as shown in FIG.
Can be formed.

【００２７】また、本実施例では、異方性導電部材１を
テフロン円柱42に巻き付けているが、これに限らず、図
示しないが、線状部材２のみをテフロン円柱42に巻き付
け、この線状部材２に所定のパターンに塗付された紫外
線硬化接着剤を転写した後、導電部材３をテフロン円柱
42に散布するようにしても良い。このようにすれば、接
着剤が転写された部分にだけ導電部材３を残留させるこ
とができる。この後、硬化前に振動を与えることによっ
て導電部材３を線状部材２の端面に移動させた後、接着
剤を硬化させて導電部材３を線状部材２に固着させる
と、図10に示すような異方性導電部材45を得ることがで
き、配線基板に容易に取付けられることができる。Further, in this embodiment, the anisotropic conductive member 1 is wound around the Teflon cylinder 42, but not limited to this, only the linear member 2 is wound around the Teflon cylinder 42, and this linear shape is not shown. After transferring the ultraviolet curing adhesive applied in a predetermined pattern to the member 2, the conductive member 3 is attached to the Teflon cylinder.
You may spray it on 42. By doing so, the conductive member 3 can be left only in the portion where the adhesive is transferred. After that, the conductive member 3 is moved to the end surface of the linear member 2 by applying vibration before curing, and then the adhesive is cured to fix the conductive member 3 to the linear member 2, as shown in FIG. Such an anisotropic conductive member 45 can be obtained and can be easily attached to a wiring board.

【００２８】また、本実施例では、シート状の異方性導
電部材41、44、45を形成しているが、これに限らず、図
８(ａ)に示すテフロン円柱42に巻き付けられた異方性導
電部材１に塗付された接着剤43の垂直方向にも図示しな
い接着剤を塗付して接着剤をマトリクス状にした後、接
着剤を切り離すと、図11に示すようなシート状の異方性
導電部材51を形成することができる。Further, in this embodiment, the sheet-shaped anisotropic conductive members 41, 44, 45 are formed, but the present invention is not limited to this, and the anisotropic conductive members wound around the Teflon cylinder 42 shown in FIG. An adhesive (not shown) is also applied in the vertical direction of the adhesive 43 applied to the anisotropically conductive member 1 to form a matrix of the adhesive, and then the adhesive is cut off to form a sheet as shown in FIG. The anisotropic conductive member 51 can be formed.

【００２９】すなわち、異方性導電部材１が複数個平行
に配設され、該異方性導電部材１の周囲が接着剤を介し
て接続されるたシート状の異方性導電部材51を成形する
ことができる。このようにすれば、このシート状の異方
性導電部材51を、あらゆる種類の回路基板の配線パター
ンに容易に取付けることができ、その使用性能を向上さ
せることができる。That is, a sheet-shaped anisotropic conductive member 51 in which a plurality of anisotropic conductive members 1 are arranged in parallel and the periphery of the anisotropic conductive member 1 is connected via an adhesive is formed. can do. By doing so, the sheet-shaped anisotropic conductive member 51 can be easily attached to the wiring patterns of all kinds of circuit boards, and the use performance thereof can be improved.

【００３０】また、このようなシート状の異方性導電部
材を形成するに際し、予め線状部材のみをテフロン円柱
42に巻き付け、この線状部材２に所定のパターンに塗付
された紫外線硬化接着剤を転写した後、導電部材３をテ
フロン円柱42に散布するようにしても良い。このように
しても、接着剤が転写された部分にだけ導電部材３を残
留させることができる。この後、硬化前に振動を与える
ことによって導電部材３を線状部材２の端面に移動させ
た後、接着剤を硬化させて導電部材３を線状部材２に固
着させると、図12に示すような異方性導電部材52を得る
ことができ、使用性能を向上させることができる。When forming such a sheet-like anisotropic conductive member, only the linear member is previously made into a Teflon cylinder.
It is also possible to wind around the wire 42, transfer the ultraviolet curing adhesive applied in a predetermined pattern to the linear member 2, and then spray the conductive member 3 on the Teflon column 42. Even in this case, the conductive member 3 can be left only in the portion where the adhesive is transferred. After that, the conductive member 3 is moved to the end surface of the linear member 2 by applying vibration before curing, and then the adhesive is cured to fix the conductive member 3 to the linear member 2, as shown in FIG. Such an anisotropic conductive member 52 can be obtained, and the use performance can be improved.

【００３１】[0031]

【発明の効果】請求項１記載の発明によれば、導電部材
を予め線状部材に固着した状態で電子基板間に介装する
ことができ、この際に、線状部材を捩らせて、導電部材
を同一平面上に位置させて電子基板間に介装することが
できる。この結果、回路基板の配線パターン間にショー
トが発生するのを防止することができ、ファインピッチ
で配線パターンに対応させることができる。また、導電
部材を線状部材に固着させているので、構造を非常に簡
素化させることができ、その製造を容易に行なうことが
できる。According to the first aspect of the present invention, the conductive member can be interposed between the electronic substrates while being fixed to the linear member in advance. At this time, the linear member can be twisted. The conductive members can be located on the same plane and can be interposed between the electronic boards. As a result, it is possible to prevent a short circuit from occurring between the wiring patterns on the circuit board, and it is possible to correspond to the wiring patterns at a fine pitch. Further, since the conductive member is fixed to the linear member, the structure can be greatly simplified and the manufacturing thereof can be easily performed.

【００３２】請求項２記載の発明によれば、異方性導電
部材の取り扱いを容易に行うことができ、この異方性導
電部材を回路基板に容易に取付けることができる。この
結果、異方性導電部材の取付け作業の作業性を向上させ
ることができる。請求項３記載の発明によれば、シート
状の異方性導電部材を、あらゆる種類の回路基板の配線
パターンに容易に取付けることができ、その使用性能を
向上させることができる。According to the second aspect of the invention, the anisotropic conductive member can be easily handled, and the anisotropic conductive member can be easily attached to the circuit board. As a result, the workability of attaching the anisotropic conductive member can be improved. According to the third aspect of the present invention, the sheet-shaped anisotropic conductive member can be easily attached to the wiring patterns of all kinds of circuit boards, and the use performance thereof can be improved.

【００３３】請求項４記載の発明によれば、配線パター
ンに対応する箇所に導電部材を配設することができ、導
電部材を必要最小限度にすることができる。この結果、
導電部材の数を低減させて、異方性導電部材のコストを
低減させることができる。請求項５記載の発明によれ
ば、異方性導電部材の本来の機能以外にジャンパー線と
して機能させることができ、その使用性能を向上させる
ことができる。According to the fourth aspect of the present invention, the conductive member can be arranged at a position corresponding to the wiring pattern, and the conductive member can be minimized to the required minimum. As a result,
By reducing the number of conductive members, the cost of the anisotropic conductive member can be reduced. According to the invention as set forth in claim 5, the anisotropic conductive member can be made to function as a jumper wire in addition to its original function, and its use performance can be improved.

【００３４】請求項６記載の発明によれば、導電部材を
線状部材の周囲に少量移動可能にすることができる。こ
のため、この異方性導電部材を回路基板に取付ける際
に、回路基板に加圧力を加えると、導電部材を線状部材
の周囲に移動させて、線状部材のねじれ効果と併せて異
方性導電部材を回路基板間に高密度に介装させることが
できる。また、導電部材を線状部材に高密度に散布する
ことができ、異方性導電部材の製造作業の作業性を向上
させることができる。According to the sixth aspect of the invention, the conductive member can be moved around the linear member by a small amount. Therefore, when the anisotropic conductive member is attached to the circuit board, if a pressing force is applied to the circuit board, the conductive member is moved to the periphery of the linear member, which is anisotropic together with the twisting effect of the linear member. The conductive conductive member can be interposed between the circuit boards with high density. In addition, the conductive member can be dispersed on the linear member at a high density, and the workability of manufacturing the anisotropic conductive member can be improved.

【００３５】請求項７記載の発明によれば、導電部材を
予め線状部材に固着された状態で電子基板間に介装する
ことができ、この際に、線状部材を捩らせて、導電部材
を同一平面上に位置させて電子基板間に介装することが
できる。この結果、回路基板の配線パターン間にショー
トが発生するのを防止することができ、ファインピッチ
で配線パターンに対応させることができる。また、線状
部材および該線状部材に固着された導電部材から構成さ
れた異方性導電部材を回路基板間に介装しているので、
回路基板の加工を容易に行なうことができ、安価な回路
基板の接続構造を得ることができる。According to the invention of claim 7, the conductive member can be interposed between the electronic substrates while being fixed to the linear member in advance. At this time, the linear member is twisted, The conductive members can be positioned on the same plane and interposed between the electronic boards. As a result, it is possible to prevent a short circuit from occurring between the wiring patterns on the circuit board, and it is possible to correspond to the wiring patterns at a fine pitch. Further, since the anisotropic conductive member composed of the linear member and the conductive member fixed to the linear member is interposed between the circuit boards,
The circuit board can be easily processed, and an inexpensive circuit board connection structure can be obtained.

【図面の簡単な説明】[Brief description of drawings]

【図１】請求項１、２、５、６、７の何れかに記載の発
明に係る異方性導電部材の一実施例を示す図である。FIG. 1 is a diagram showing an embodiment of an anisotropic conductive member according to the invention described in any one of claims 1, 2, 5, 6, and 7.

【図２】一実施例の異方性導電部材による回路基板の接
続構造を示す図である。FIG. 2 is a diagram showing a circuit board connection structure using an anisotropic conductive member according to an embodiment.

【図３】一実施例の回路基板を接続する状態を示すその
斜視図である。FIG. 3 is a perspective view showing a state in which a circuit board of one embodiment is connected.

【図４】一実施例の異方性導電部材が回路基板間に介装
されるときの異方性導電部材および配線基板の変化を示
す図である。FIG. 4 is a diagram showing changes in the anisotropic conductive member and the wiring board when the anisotropic conductive member of one embodiment is interposed between circuit boards.

【図５】一実施例の異方性導電部材の他の態様を示す図
である。FIG. 5 is a diagram showing another aspect of the anisotropic conductive member of the example.

【図６】一実施例の異方性導電部材の他の態様を示す図
である。FIG. 6 is a diagram showing another aspect of the anisotropic conductive member of the example.

【図７】請求項２または３記載の発明に係る異方性導電
部材の一実施例を示す図であり、同図(ａ)は異方性導電
部材の構成図、同図(ｂ)は異方性導電部材を製造するた
めのテフロン円柱に線状部材を螺旋状に巻き付けた状態
を示す図である。7A and 7B are diagrams showing an embodiment of an anisotropic conductive member according to the invention of claim 2 or 3, wherein FIG. 7A is a configuration diagram of the anisotropic conductive member, and FIG. It is a figure which shows the state which wound the linear member spirally on the Teflon cylinder for manufacturing an anisotropic conductive member.

【図８】同図(ａ)は一実施例の線状部材に接着剤を塗付
した状板を示す図、同図(ｂ)は一実施例のテフロン円柱
から異方性導電部材を取り外した状態を示す図である。FIG. 8 (a) is a diagram showing a plate in which an adhesive is applied to a linear member of one embodiment, and FIG. 8 (b) is an anisotropic conductive member removed from a Teflon cylinder of one embodiment. FIG.

【図９】一実施例の異方性導電部材の他の態様を示す図
である。FIG. 9 is a diagram showing another aspect of the anisotropic conductive member of the example.

【図10】一実施例の異方性導電部材の他の態様を示す図
である。FIG. 10 is a diagram showing another aspect of the anisotropic conductive member of the example.

【図11】一実施例の異方性導電部材の他の態様を示す図
である。FIG. 11 is a diagram showing another aspect of the anisotropic conductive member of the example.

【図12】一実施例の異方性導電部材の他の態様を示す図
である。FIG. 12 is a diagram showing another aspect of the anisotropic conductive member of the example.

【符号の説明】 １、41、44、45、51、52 異方性導電部材 ２、21 線状部材 ３、24 導電部材 11 ガラス基板(回路基板) 12、14 配線パターン 13 ＴＡＢ基板(配線基板) 15、43 接着剤 22 絶縁性材料 23 導電材料 30 粘着剤[Explanation of symbols] 1, 41, 44, 45, 51, 52 Anisotropic conductive member 2, 21 Linear member 3, 24 Conductive member 11 Glass substrate (circuit board) 12, 14 Wiring pattern 13 TAB board (wiring board ) 15, 43 Adhesive 22 Insulating material 23 Conductive material 30 Adhesive

Claims (7)

【特許請求の範囲】[Claims] 【請求項１】回路基板間に介装され、該回路基板を電気
的に接続する異方性導電部材において、微小な径を有
し、所定方向に延在する絶縁性の線状部材と、該線状部
材の径よりも大きな径を有し、互いに離隔して線状部材
に固着された複数の導電部材からなることを特徴とする
異方性導電部材。1. An anisotropic conductive member, which is interposed between circuit boards and electrically connects the circuit boards, has an insulative linear member having a minute diameter and extending in a predetermined direction. An anisotropic conductive member having a diameter larger than that of the linear member and comprising a plurality of conductive members which are separated from each other and fixed to the linear member. 【請求項２】請求項１記載の異方性導電部材の少なくと
も１本以上から構成され、該異方性導電部材の両端部が
それぞれ絶縁性部材に固定されることにより、テープ状
に形成されたことを特徴とする異方性導電部材。2. An anisotropic conductive member according to claim 1, wherein the anisotropic conductive member is formed into a tape shape by fixing both ends of the anisotropic conductive member to an insulating member. An anisotropic conductive member characterized by the above. 【請求項３】請求項１記載の異方性導電部材が複数個平
行に配設され、該異方性導電部材の周囲が絶縁性部材を
介して接続されることにより、シート状に成形されたこ
とを特徴とする異方性導電部材。3. A plurality of anisotropic conductive members according to claim 1 are arranged in parallel, and the periphery of the anisotropic conductive members are connected via an insulating member to form a sheet. An anisotropic conductive member characterized by the above. 【請求項４】前記導電部材が、線状部材の所定の位置に
固着されることを特徴とする請求項２または３記載の異
方性導電部材。4. The anisotropic conductive member according to claim 2, wherein the conductive member is fixed to a predetermined position of the linear member. 【請求項５】前記線状部材が、絶縁性材料が被覆された
導電材料から構成されることを特徴とする請求項１〜４
何れかに記載の異方性導電部材。5. The linear member is made of a conductive material coated with an insulating material.
The anisotropic conductive member according to any one of claims. 【請求項６】前記導電部材が、粘着剤によって線状部材
に固着されたことを特徴とする請求項１〜５何れかに記
載の異方性導電部材。6. The anisotropic conductive member according to claim 1, wherein the conductive member is fixed to the linear member with an adhesive. 【請求項７】請求項１記載の異方性導電部材の少なくと
も１つ以上が、回路基板相互の配線パターン間に介装さ
れたことを特徴とする回路基板の接続構造。7. A circuit board connecting structure, wherein at least one or more of the anisotropic conductive members according to claim 1 are interposed between wiring patterns of circuit boards.
JP15334392A 1992-06-12 1992-06-12 Anisotropic conductive member and structure for connecting circuit substrate using the same Pending JPH05342917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15334392A JPH05342917A (en) 1992-06-12 1992-06-12 Anisotropic conductive member and structure for connecting circuit substrate using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15334392A JPH05342917A (en) 1992-06-12 1992-06-12 Anisotropic conductive member and structure for connecting circuit substrate using the same

Publications (1)

Publication Number Publication Date
JPH05342917A true JPH05342917A (en) 1993-12-24

Family

ID=15560400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15334392A Pending JPH05342917A (en) 1992-06-12 1992-06-12 Anisotropic conductive member and structure for connecting circuit substrate using the same

Country Status (1)

Country Link
JP (1) JPH05342917A (en)

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