JP2704127B2 - Hermetic sealing of package - Google Patents
Hermetic sealing of packageInfo
- Publication number
- JP2704127B2 JP2704127B2 JP7032170A JP3217095A JP2704127B2 JP 2704127 B2 JP2704127 B2 JP 2704127B2 JP 7032170 A JP7032170 A JP 7032170A JP 3217095 A JP3217095 A JP 3217095A JP 2704127 B2 JP2704127 B2 JP 2704127B2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- package
- ultrasonic horn
- ultrasonic
- main body
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/1615—Shape
- H01L2924/16195—Flat cap [not enclosing an internal cavity]
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明はパッケージの気密封止方
法に係わり、特に半導体素子を載置するパッケージの本
体と蓋とを超音波溶着するパッケージの気密封止方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for hermetically sealing a package, and more particularly to a method for hermetically sealing a package in which a body and a lid of a package on which a semiconductor element is mounted are ultrasonically welded.
【０００２】[0002]
【従来の技術】従来の超音波溶着法によるパッケージの
気密封止方法を図５を用いて説明する。熱可塑性または
熱硬化性樹脂からなる本体３と蓋４を有して半導体パッ
ケージが構成されている。そして本体３の溝形状の本体
接合部１３に蓋４の突起形状の蓋接合部１４を当接さ
せ、超音波ホーン１０により、一定方向（図では横方向
のＸ方向）に振動、加圧して溶着させていた。尚、図５
のパッケージは、Ｘ方向が短尺方向であり、紙面に垂直
方向のＹ方向が長尺方向（長手方向）である。2. Description of the Related Art A conventional method of hermetically sealing a package by ultrasonic welding will be described with reference to FIG. A semiconductor package includes a main body 3 made of a thermoplastic or thermosetting resin and a lid 4. Then, the protrusion-shaped lid joint 14 of the lid 4 is brought into contact with the groove-shaped main body joint 13 of the main body 3, and the ultrasonic horn 10 vibrates and presses in a certain direction (the horizontal X direction in the figure). Welded. FIG.
In the package (1), the X direction is the short direction, and the Y direction perpendicular to the paper is the long direction (longitudinal direction).
【０００３】したがって図５の断面図に現われる接合部
１３，１４は紙面に垂直方向のＹ方向すなわち長尺方向
に延在している。この他に図５に現われない、Ｘ方向す
なわち短尺方向に延在する接合部１３，１４が存在す
る。[0005] Therefore, the joining portions 13 and 14 appearing in the cross-sectional view of FIG. 5 extend in the Y direction perpendicular to the paper surface, that is, in the long direction. In addition, there are joining portions 13 and 14 which do not appear in FIG. 5 and extend in the X direction, that is, the short direction.
【０００４】[0004]
【発明が解決しようとする課題】この従来技術の超音波
溶着による気密封止では接合部に一定方向の超音波振動
しか与えられない。通常の振動方向はパッケージ長尺方
向（長手方向）と直角方向、すなわち図５でＸ方向に与
えられる。In the hermetic sealing by ultrasonic welding according to the prior art, ultrasonic vibrations in only one direction are applied to the joint. The normal vibration direction is given in a direction perpendicular to the long direction (longitudinal direction) of the package, that is, in the X direction in FIG.
【０００５】これにより図５に現われる、パッケージの
長尺方向（Ｙ方向）に延在する蓋接合部１４の突起は、
本体接合部１３の溝の幅方向（Ｘ方向）に振動しこれに
より振動に対する抵抗が大きくなって溶着に必要な十分
の熱が発生して確実な溶着を可能にする。[0005] As a result, the protrusion of the lid joint 14 extending in the long direction (Y direction) of the package, which appears in FIG.
Vibration occurs in the width direction (X direction) of the groove of the main body joint portion 13, whereby resistance to vibration increases, and sufficient heat required for welding is generated, thereby enabling reliable welding.
【０００６】しかしながら図５に現われない、パッケー
ジの短尺方向（Ｘ方向）に延在する蓋接合部１４の突起
は、本体接合部１３の溝の延在方向（Ｘ方向）に振動す
るために振動に対する抵抗が小さくなって溶着に必要な
十分の熱が発生しないで確実な溶着が困難となる。However, the protrusion of the lid joint 14 extending in the short direction (X direction) of the package, which does not appear in FIG. 5, vibrates in the direction in which the groove of the main body joint 13 extends (X direction). Therefore, it is difficult to reliably perform welding without generating sufficient heat necessary for welding.
【０００７】これにより気密性が不十分になり信頼性が
劣化する問題があった。As a result, there has been a problem that the airtightness becomes insufficient and the reliability deteriorates.
【０００８】したがって本発明の目的は、第１の方向
（例えばＹ方向）に延在する溝形状の接合部と突起形状
の接合部との溶着も、第１の方向と直角方向の第２の方
向（例えばＸ方向）に延在する溝形状の接合部と突起形
状の接合部との溶着も、ともに確実に行なうことが可能
なパッケージの気密封止方法を提供することである。Accordingly, it is an object of the present invention to provide a method for welding a groove-shaped joint and a protrusion-shaped joint extending in a first direction (for example, the Y direction) to a second direction perpendicular to the first direction. An object of the present invention is to provide a method for hermetically sealing a package that can reliably perform welding of a groove-shaped joint portion and a protrusion-shaped joint portion extending in a direction (for example, the X direction).
【０００９】[0009]
【課題を解決するための手段】本発明の特徴は、パッケ
ージの本体に設けられた本体接合部と、前記パッケージ
の蓋に設けられた蓋接合部とを有し、前記本体接合部お
よび前記蓋接合部のうちの一方は溝形状であり他方は該
溝形状に入り込む突起形状であり、前記本体接合部およ
び前記蓋接合部は第１の方向に延在する部分と該第１の
方向と直角の第２の方向に延在する部分とを有し、前記
本体接合部に前記蓋接合部を当接して超音波溶着により
気密封止する方法において、前記第１の方向および前記
第２の方向に交互に超音波振動を加えることで超音波溶
着するパッケージの気密封止方法にある。ここで、前記
第１の方向および第２の方向のうちの一方は前記パッケ
ージの長尺方向（パッケージの長手方向もしくは縦方
向）であり他方は前記パッケージの短尺方向（パッケー
ジの幅方向もしくは横方向）であることができる。さら
に、第１の超音波ホーンにより前記第１の方向の超音波
振動が加えられ、第２の超音波ホーンにより前記第２の
方向の超音波振動が加えられることができる。この場
合、前記第１の超音波ホーンは前記蓋の中央部上面に圧
接するように位置し、前記第２の超音波ホーンは前記蓋
の周辺部上面に圧接するように位置していることが好ま
しい。また、前記第１の超音波ホーンと前記第２の超音
波ホーンとは、交互に前記蓋の上面に圧接することがで
きる。あるいは前記第１の超音波ホーンと前記第２の超
音波ホーンとは、同時に前記蓋の上面に圧接することが
できる。SUMMARY OF THE INVENTION A feature of the present invention is to have a main body joint provided on a main body of a package and a lid joint provided on a lid of the package, wherein the main body joint and the lid are provided. One of the joints has a groove shape and the other has a protrusion shape that enters the groove shape, and the main body joint portion and the lid joint portion are perpendicular to the first direction and a portion extending in a first direction. A portion extending in the second direction of the first direction and the second direction, wherein the lid joint is brought into contact with the main body joint and hermetically sealed by ultrasonic welding. The method is a method for hermetically sealing a package in which ultrasonic welding is performed by alternately applying ultrasonic vibration to the package. Here, one of the first direction and the second direction is a longitudinal direction of the package (the longitudinal direction or the vertical direction of the package), and the other is a short direction of the package (the width direction or the lateral direction of the package). ). Further, the first ultrasonic horn can apply ultrasonic vibration in the first direction, and the second ultrasonic horn can apply ultrasonic vibration in the second direction. In this case, the first ultrasonic horn may be positioned so as to be pressed against the upper surface of the central portion of the lid, and the second ultrasonic horn may be positioned so as to be pressed against the upper surface of the peripheral portion of the lid. preferable. Further, the first ultrasonic horn and the second ultrasonic horn can alternately press against the upper surface of the lid. Alternatively, the first ultrasonic horn and the second ultrasonic horn can be simultaneously pressed against the upper surface of the lid.
【００１０】[0010]
【作用】上記本発明によれば、第１の方向に延在する溝
形状に入り込み当接する突起形状は第２の方向の超音波
振動によりこの溝の幅方向に超音波振動が与えられ、こ
れにより振動に対する抵抗が大きくなり溶着に必要な熱
が十分に発生して確実な溶着が可能となる。一方、第２
の方向に延在する溝形状に入り込み当接する突起形状は
第１の方向の超音波振動によりこの溝の幅方向に超音波
振動が与えられ、これにより振動に対する抵抗が大きく
なり溶着に必要な熱が十分に発生して確実な溶着が可能
となる。According to the present invention, the projections that enter and abut on the groove extending in the first direction are given ultrasonic vibration in the width direction of the groove by the ultrasonic vibration in the second direction. As a result, the resistance to vibration is increased, and the heat necessary for welding is sufficiently generated, so that reliable welding can be performed. On the other hand, the second
The ultrasonic vibration in the first direction causes ultrasonic vibration in the width direction of the groove to be applied to the projecting shape that enters and comes into contact with the groove shape extending in the direction of. Are sufficiently generated and reliable welding can be performed.
【００１１】[0011]
【実施例】以下、図面を参照して本発明を説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.
【００１２】図１は本発明の第１および第２の実施例の
半導体パッケージの気密封止方法に用いる半導体パッケ
ージを示す斜視図である。図２（Ａ）および（Ｂ）はそ
れぞれ図１のＡ−Ａ部およびＢ−Ｂ部の断面図である。FIG. 1 is a perspective view showing a semiconductor package used in a method for hermetically sealing a semiconductor package according to first and second embodiments of the present invention. FIGS. 2A and 2B are cross-sectional views taken along the line AA and the line BB in FIG. 1, respectively.
【００１３】以下、第１の方向をパッケージの長尺方向
（長手方向もしくは縦方向）のＹ方向とし、第２の方向
をパッケージの短尺方向（幅方向もしくは横方向）のＸ
方向として説明する。Hereinafter, the first direction is defined as the Y direction in the longitudinal direction (longitudinal direction or longitudinal direction) of the package, and the second direction is defined as the X direction in the short direction (width direction or lateral direction) of the package.
The direction will be described.
【００１４】熱可塑性または熱硬化性樹脂からなる本体
３は、基盤部３Ｇとその周囲を取り囲む長方形のリング
状のフランジ部３Ｆから構成されている。基盤部３Ｇに
搭載さてた半導体素子６の電極が金属細線５によりリー
ド７の内部リード部にボンディング接続されている。The main body 3 made of a thermoplastic or thermosetting resin is composed of a base 3G and a rectangular ring-shaped flange 3F surrounding the base 3G. The electrode of the semiconductor element 6 mounted on the base 3G is bonded to the internal lead of the lead 7 by a thin metal wire 5.
【００１５】本体３のフランジ部３Ｆの上面は溝形状の
本体接合部１３となっている。The upper surface of the flange portion 3F of the main body 3 is a groove-shaped main body joining portion 13.
【００１６】一方、熱可塑性または熱硬化性樹脂からな
る長方形の蓋４の下面側に突起形状の蓋接合部１４が形
成されており、この蓋接合部１４の突起が本体接合部１
３の溝に入り込んで圧接エリアを形成する。On the other hand, a projection-shaped lid joint 14 is formed on the lower surface of the rectangular lid 4 made of a thermoplastic or thermosetting resin.
The groove enters the groove 3 to form a pressure contact area.
【００１７】すなわち図１の点線で示すように圧接エリ
アは、Ｘ方向に延在する第１および第３の圧接エリア２
１，２３とＹ方向に延在する第２および第４の圧接エリ
ア２２，２４とから構成されている。That is, as shown by the dotted line in FIG. 1, the press-contact area includes first and third press-contact areas 2 extending in the X direction.
1 and 23 and second and fourth press contact areas 22 and 24 extending in the Y direction.
【００１８】第１および第３の圧接エリア２１，２３で
は本体接合部１４の溝がＸ方向に延在しその溝に入り込
んで蓋接合部１３の突起もＸ方向に延在している。In the first and third press contact areas 21 and 23, the groove of the main body joining portion 14 extends in the X direction, enters the groove, and the projection of the lid joining portion 13 also extends in the X direction.
【００１９】第２および第４の圧接エリア２２，２４で
は本体接合部１４の溝がＹ方向に延在しその溝に入り込
んで蓋接合部１３の突起もＹ方向に延在している。In the second and fourth press-contact areas 22 and 24, the groove of the main body joint 14 extends in the Y direction, enters the groove, and the projection of the lid joint 13 also extends in the Y direction.
【００２０】次に、本発明の第１の実施例の気密封止方
法を示す断面図を用いて、その気密封止方法を説明す
る。図３は、図２（Ａ）上に第１および第２の超音波ホ
ーンを載置した断面図である。Next, the hermetic sealing method according to the first embodiment of the present invention will be described with reference to a sectional view showing the hermetic sealing method. FIG. 3 is a cross-sectional view in which first and second ultrasonic horns are placed on FIG.
【００２１】第１の超音波ホーンとしてＹ軸方向に超音
波振動を行うＹ軸超音波ホーン４０を蓋４の上面中央部
に圧接できるように設ける。また第２の超音波ホーンと
してＸ軸方向に超音波振動を行うＸ軸超音波ホーン３０
を蓋４の上面周辺部に圧接できるように設ける。なお左
右のＸ軸超音波ホーン３０は図示してない箇所で一体と
なっている。As a first ultrasonic horn, a Y-axis ultrasonic horn 40 for performing ultrasonic vibration in the Y-axis direction is provided so as to be pressed against the center of the upper surface of the lid 4. An X-axis ultrasonic horn 30 that performs ultrasonic vibration in the X-axis direction as a second ultrasonic horn
Is provided so that it can be pressed against the peripheral portion of the upper surface of the lid 4. The left and right X-axis ultrasonic horns 30 are integrated at a location not shown.
【００２２】まず図３（Ａ）においてＸ軸超音波ホーン
３０の先端を蓋４の上面に圧接させ、Ｙ軸超音波ホーン
４０の先端を蓋４の上面から上方に離間させる。この状
態でＸ軸超音波ホーン３０をＸ方向、すなわち図３
（Ａ）で左右方向に超音波振動させる。First, in FIG. 3A, the tip of the X-axis ultrasonic horn 30 is pressed against the upper surface of the lid 4, and the tip of the Y-axis ultrasonic horn 40 is separated upward from the upper surface of the lid 4. In this state, the X-axis ultrasonic horn 30 is moved in the X direction, that is, in FIG.
In (A), ultrasonic vibration is performed in the left-right direction.
【００２３】これにより、Ｙ方向に延在する第２および
第４の圧接エリア２２，２４ではＹ方向に延在する蓋接
合部１４の突起が、本体接合部１３の溝の幅方向（Ｘ方
向）に振動しこれにより振動に対する抵抗が大きくなっ
て溶着に必要な十分の熱が発生して確実な溶着を可能に
する。As a result, in the second and fourth press contact areas 22 and 24 extending in the Y direction, the projections of the lid joint 14 extending in the Y direction are aligned with the width direction (X direction) of the groove of the main body joint 13. ), The resistance to the vibration increases, and sufficient heat required for welding is generated to enable reliable welding.
【００２４】しかしながらＸ方向に延在する第１および
第３の圧接エリア２１，２３ではＸ方向に延在する蓋接
合部１４の突起が、本体接合部１３の溝の延在方向（Ｘ
方向）に振動するために振動に対する抵抗が小さくなっ
て溶着に必要な十分の熱が発生しないで確実な溶着が困
難となる。However, in the first and third press contact areas 21 and 23 extending in the X direction, the projections of the lid joint 14 extending in the X direction are aligned with the extending directions (X
Direction), the resistance to the vibration is reduced and sufficient heat required for welding is not generated, so that reliable welding becomes difficult.
【００２５】次に、図３（Ｂ）においてＹ軸超音波ホー
ン４０の先端を蓋４の上面に圧接させ、Ｘ軸超音波ホー
ン３０の先端を蓋４の上面から上方に離間させる。この
状態でＹ軸超音波ホーン４０をＹ軸方向、すなわち図３
（Ｂ）で紙面に垂直方向に超音波振動させる。Next, in FIG. 3B, the tip of the Y-axis ultrasonic horn 40 is pressed against the upper surface of the lid 4, and the tip of the X-axis ultrasonic horn 30 is separated upward from the upper surface of the lid 4. In this state, the Y-axis ultrasonic horn 40 is moved in the Y-axis direction,
In (B), ultrasonic vibration is applied in the direction perpendicular to the paper surface.
【００２６】これにより、Ｘ方向に延在する第１および
第３の圧接エリア２１，２３ではＸ方向に延在する蓋接
合部１４の突起が、本体接合部１３の溝の幅方向（Ｙ方
向）に振動しこれにより振動に対する抵抗が大きくなっ
て溶着に必要な十分の熱が発生して確実な溶着を可能に
する。Thus, in the first and third press contact areas 21 and 23 extending in the X direction, the protrusions of the lid joint 14 extending in the X direction are aligned with the width direction of the groove of the main body joint 13 (Y direction). ), The resistance to the vibration increases, and sufficient heat required for welding is generated to enable reliable welding.
【００２７】すなわち図３（Ａ）のステップで不確実で
あった第１および第３の圧接エリア２１，２３の溶着
が、図３（Ｂ）のステップで確実な溶着となる。That is, the welding of the first and third press contact areas 21 and 23, which was uncertain in the step of FIG. 3A, becomes reliable in the step of FIG. 3B.
【００２８】上記実施例では、最初にＸ軸超音波ホーン
３０によるＸ方向の超音波振動を行ない、次にＹ軸超音
波ホーン４０によるＹ方向の超音波振動を行なう場合を
説明した。しかし最初にＹ軸超音波ホーン４０によるＹ
方向の超音波振動を行ない、次にＸ軸超音波ホーン３０
によるＸ方向の超音波振動を行っても同様である。In the above embodiment, the case where the X-axis ultrasonic horn 30 first performs the ultrasonic vibration in the X direction, and then the Y-axis ultrasonic horn 40 performs the Y-direction ultrasonic vibration has been described. However, first, the Y-axis ultrasonic horn 40
Direction ultrasonic vibration, and then the X-axis ultrasonic horn 30
The same applies to the case where ultrasonic vibration in the X direction is performed.
【００２９】図４は本発明の第２の実施例を示す断面図
である。この図４において図３と同一もしくは類似の箇
所は同じ符号を付けてあるから重複する説明は省略す
る。FIG. 4 is a sectional view showing a second embodiment of the present invention. In FIG. 4, the same or similar portions as those in FIG. 3 are denoted by the same reference numerals, and the duplicate description will be omitted.
【００３０】第２の実施例の気密封止方法では、Ｘ軸超
音波ホーン３０の先端およびＹ軸超音波ホーン４０の先
端の両方を蓋４の上面に圧接させた状態で、Ｘ軸超音波
ホーン３０とＹ軸超音波ホーン４０とを交互に超音波振
動させて本体接合部１３と蓋接合部１４を溶着させて、
本体３を蓋４で気密封止する。この時の振動周波数は６
０〜７０ｋＨｚが適当である。In the hermetic sealing method of the second embodiment, the X-axis ultrasonic horn 30 is pressed against the upper surface of the lid 4 with both the tip of the X-axis ultrasonic horn 30 and the tip of the Y-axis ultrasonic horn 40 pressed. The horn 30 and the Y-axis ultrasonic horn 40 are alternately ultrasonically vibrated to weld the main body joint portion 13 and the lid joint portion 14,
The main body 3 is hermetically sealed with a lid 4. The vibration frequency at this time is 6
0-70 kHz is appropriate.
【００３１】第１の実施例では、それぞれの方向の超音
波振動において両接合部間の圧力を必要に応じてそれぞ
れ最適になるように調整することが容易となる。第２の
実施例では、一方の方向の超音波振動と他方の方向の超
音波振動との間に超音波ホーンの上下駆動が不要である
から、気密封止作業がそれだけ簡素化できる。In the first embodiment, it is easy to adjust the pressure between the two joints in the ultrasonic vibrations in the respective directions so as to be optimal as needed. In the second embodiment, since the ultrasonic horn does not need to be driven up and down between the ultrasonic vibration in one direction and the ultrasonic vibration in the other direction, the hermetic sealing operation can be simplified accordingly.
【００３２】また、上記第１および第２の実施例では本
体接合部１３が溝形状で蓋接合部１４が突起形状の半導
体パッケージについて説明した。しかし、本体接合部１
３が突起形状で蓋接合部１４が溝形状の半導体パッケー
ジを気密封止する際にも同様に本発明の方法が適用でき
る。In the first and second embodiments, the semiconductor package in which the main body joining portion 13 has a groove shape and the lid joining portion 14 has a projecting shape has been described. However, the main body joint 1
The method of the present invention can be similarly applied to hermetically sealing a semiconductor package 3 having a projection shape and a lid bonding portion 14 having a groove shape.
【００３３】[0033]
【発明の効果】以上説明したように本発明は、パッケー
ジの長尺方向（長手方向）および短尺方向に、交互に超
音波振動を加える超音波ホーン対を有しているから、短
尺方向に延在する圧接エリアも長尺方向に延在する圧接
エリアも確実に溶着することができ、信頼性が高い気密
封止を可能にする。As described above, the present invention has a pair of ultrasonic horns for alternately applying ultrasonic vibrations in the longitudinal direction (longitudinal direction) and the short direction of the package. The existing press contact area and the press contact area extending in the longitudinal direction can be reliably welded, and highly reliable airtight sealing can be achieved.
【図１】本発明の実施例に用いるパッケージを示す斜視
図である。FIG. 1 is a perspective view showing a package used in an embodiment of the present invention.
【図２】本発明の実施例に用いるパッケージを示す図で
あり、（Ａ）は図１のＡ−Ａ部の断面図、（Ｂ）は図１
のＢ−Ｂ部の断面図である。FIGS. 2A and 2B are views showing a package used in the embodiment of the present invention, wherein FIG. 2A is a cross-sectional view taken along the line AA of FIG. 1, and FIG.
It is sectional drawing of the BB part of FIG.
【図３】本発明の第１の実施例の気密封止方法を示す断
面図であり、（Ａ）はＸ軸超音波ホーンの動作時を示
し、（Ｂ）はＹ軸超音波ホーンの動作時を示している。FIGS. 3A and 3B are cross-sectional views illustrating a hermetic sealing method according to the first embodiment of the present invention, wherein FIG. 3A shows the operation of the X-axis ultrasonic horn, and FIG. 3B shows the operation of the Y-axis ultrasonic horn; Indicates time.
【図４】本発明の第２の実施例の気密封止方法を示す断
面図である。FIG. 4 is a sectional view showing a hermetic sealing method according to a second embodiment of the present invention.
【図５】従来技術を示す断面図である。FIG. 5 is a sectional view showing a conventional technique.
３ パッケージの本体 ３Ｇ 本体の基盤部 ３Ｆ 本体のフランジ部 ４ パッケージの蓋 ５ 金属細線 ６ 半導体素子 ７ リード １０ 超音波ホーン １３ 溝形状の本体接合部 １４ 突起形状の蓋接合部 ２１，２２，２３，２４ 圧接エリア ３０ Ｘ軸超音波ホーン ４０ Ｙ軸超音波ホーン Reference Signs List 3 Body of package 3G Base of body 3F Flange of body 4 Cover of package 5 Thin metal wire 6 Semiconductor element 7 Lead 10 Ultrasonic horn 13 Groove-shaped main body joint 14 Projected lid joint 21, 22, 23, 24 Pressure contact area 30 X axis ultrasonic horn 40 Y axis ultrasonic horn
Claims (6)
部と、前記パッケージの蓋に設けられた蓋接合部とを有
し、前記本体接合部および前記蓋接合部のうちの一方は
溝形状であり他方は該溝形状に入り込む突起形状であ
り、前記本体接合部および前記蓋接合部は第１の方向に
延在する部分と該第１の方向と直角の第２の方向に延在
する部分とを有し、前記本体接合部に前記蓋接合部を当
接して超音波溶着により気密封止する方法において、前
記第１の方向および前記第２の方向に交互に超音波振動
を加えることで超音波溶着することを特徴とするパッケ
ージの気密封止方法。1. A package having a main body joint provided on a body of a package and a lid joint provided on a lid of the package, wherein one of the main body joint and the lid joint has a groove shape. The other is a projection shape that enters the groove shape, and the main body joining portion and the lid joining portion extend in a first direction and a portion extending in a second direction perpendicular to the first direction. In the method of contacting the lid joint to the main body joint and hermetically sealing by ultrasonic welding, by applying ultrasonic vibration alternately in the first direction and the second direction. A method for hermetically sealing a package, which comprises ultrasonic welding.
の一方は前記パッケージの長尺方向であり他方は前記パ
ッケージの短尺方向であることを特徴とする請求項１記
載のパッケージの気密封止方法。2. The package according to claim 1, wherein one of the first direction and the second direction is a long direction of the package and the other is a short direction of the package. Close sealing method.
向の超音波振動が加えられ、第２の超音波ホーンにより
前記第２の方向の超音波振動が加えられることを特徴と
する請求項１記載のパッケージの気密封止方法。3. The ultrasonic vibration in the first direction is applied by a first ultrasonic horn, and the ultrasonic vibration in the second direction is applied by a second ultrasonic horn. Item 7. The method for hermetically sealing a package according to Item 1.
中央部に圧接するように位置し、前記第２の超音波ホー
ンは前記蓋の上面周辺部に圧接するように位置している
ことを特徴とする請求項３記載のパッケージの気密封止
方法。4. The first ultrasonic horn is positioned so as to be pressed against a central portion of the upper surface of the lid, and the second ultrasonic horn is positioned so as to be pressed against a peripheral portion of the upper surface of the lid. 4. The method for hermetically sealing a package according to claim 3, wherein:
音波ホーンとは、交互に前記蓋の上面に圧接することを
特徴とする請求項３記載のパッケージの気密封止方法。5. The method according to claim 3, wherein the first ultrasonic horn and the second ultrasonic horn alternately press against the upper surface of the lid.
音波ホーンとは、同時に前記蓋の上面に接触することを
特徴とする請求項３記載のパッケージの気密封止方法。6. The method according to claim 3, wherein the first ultrasonic horn and the second ultrasonic horn simultaneously contact an upper surface of the lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7032170A JP2704127B2 (en) | 1995-02-21 | 1995-02-21 | Hermetic sealing of package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7032170A JP2704127B2 (en) | 1995-02-21 | 1995-02-21 | Hermetic sealing of package |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08227946A JPH08227946A (en) | 1996-09-03 |
| JP2704127B2 true JP2704127B2 (en) | 1998-01-26 |
Family
ID=12351471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7032170A Expired - Fee Related JP2704127B2 (en) | 1995-02-21 | 1995-02-21 | Hermetic sealing of package |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2704127B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3278611B2 (en) | 1998-05-18 | 2002-04-30 | 日本電気株式会社 | Organic EL element sealing method |
| KR20020076040A (en) * | 2001-03-27 | 2002-10-09 | 에스티에스반도체통신 주식회사 | Minimized module type semiconductor package and manufacturing method the same |
| JP5067030B2 (en) | 2007-06-15 | 2012-11-07 | 三菱電機株式会社 | Semiconductor device and manufacturing method thereof |
| JP2016100484A (en) * | 2014-11-21 | 2016-05-30 | 株式会社 後島精工 | Semiconductor element container for storing semiconductor element |
-
1995
- 1995-02-21 JP JP7032170A patent/JP2704127B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08227946A (en) | 1996-09-03 |
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