JPH02125454A - 樹脂封止型半導体装置 - Google Patents

樹脂封止型半導体装置

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Publication number
JPH02125454A
JPH02125454A JP63278849A JP27884988A JPH02125454A JP H02125454 A JPH02125454 A JP H02125454A JP 63278849 A JP63278849 A JP 63278849A JP 27884988 A JP27884988 A JP 27884988A JP H02125454 A JPH02125454 A JP H02125454A
Authority
JP
Japan
Prior art keywords
resin
groove
lead
wirings
semiconductor element
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
JP63278849A
Other languages
English (en)
Inventor
Yoichi Oikawa
洋一 及川
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP63278849A priority Critical patent/JPH02125454A/ja
Publication of JPH02125454A publication Critical patent/JPH02125454A/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/01—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
    • H01L24/42—Wire connectors; Manufacturing methods related thereto
    • H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L24/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • 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
    • H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
    • H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
    • H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
    • H01L2224/321—Disposition
    • H01L2224/32151—Disposition the layer connector 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
    • H01L2224/32221—Disposition the layer connector 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
    • H01L2224/32225—Disposition the layer connector 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 non-metallic, e.g. insulating substrate with or without metallisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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    • H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
    • H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
    • H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
    • H01L2224/321—Disposition
    • H01L2224/32151—Disposition the layer connector 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
    • H01L2224/32221—Disposition the layer connector 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
    • H01L2224/32245—Disposition the layer connector 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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    • 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
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    • 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
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    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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    • 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
    • H01L2224/484—Connecting portions
    • H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
    • H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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    • 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
    • H01L2224/4899—Auxiliary members for wire connectors, e.g. flow-barriers, reinforcing structures, spacers, alignment aids
    • H01L2224/48996—Auxiliary members for wire connectors, e.g. flow-barriers, reinforcing structures, spacers, alignment aids being formed on an item to be connected not being a semiconductor or solid-state body
    • H01L2224/48997—Reinforcing structures
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    • 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
    • H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
    • H01L2224/732—Location after the connecting process
    • H01L2224/73251—Location after the connecting process on different surfaces
    • H01L2224/73265—Layer and wire connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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    • H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
    • H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
    • H01L2224/85909—Post-treatment of the connector or wire bonding area
    • H01L2224/8592—Applying permanent coating, e.g. protective coating
    • H—ELECTRICITY
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    • H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
    • H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
    • H01L2224/85909—Post-treatment of the connector or wire bonding area
    • H01L2224/85951—Forming additional members, e.g. for reinforcing
    • H—ELECTRICITY
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    • H01L2924/01—Chemical elements
    • H01L2924/01014—Silicon [Si]
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    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/181—Encapsulation

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
  • Wire Bonding (AREA)
  • Lead Frames For Integrated Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は樹脂封止型半導体装置に関する。
〔従来の技術〕
従来、樹脂封止型半導体装置は第２図に示すように、銀
ペースト等のろう材６で半導体素子２をアイランド１上
に固着し、半導体素子２上のパッドとり−ド３の先端部
を金線などの金属細線４で電気的に接続した後、半導体
素子２と金属細線４とリード３の先端部を封止樹脂５に
より封止した構造となっていた。
〔発明が解決しようとする課題〕
上述した従来の樹脂封止型半導体装置は、封止樹脂とリ
ードフレームとの熱膨張率が異なっている等の理由によ
り、相互の界面の密着が悪いことが知られている。
近年、半導体装置を配線基板に実装する方法として、赤
外線等を用いる気相はんだ付け（ＶＰＳ）法が用いられ
ているが、その際に半導体装置が被る急激な熱ストレス
や封止樹脂とリードフレームとの熱膨張の違い等によっ
て、封止樹脂とリードフレームの界面が剥離すると共に
、金属細線とリードとの接合部にクラックが発生して電
気特性不良をひきおこし、樹脂封止型半導体装置の歩留
り及び信頼性を低下させるという欠点がある。
〔課題を解決するための手段〕
本発明の樹脂封止型半導体装置は、アイランドに固着さ
れた半導体素子と、先端部に溝が形成されたリードと、
前記半導体素子のパッドと前記リードの溝部とに接合さ
れた金属細線と、金属細線が接合された前記リードの講
中に設けられた密着性樹脂と、前記半導体素子と金属細
線とリードの先端部とを封止する封止樹脂とを含んで構
成される。
〔実施例〕
次に、本発明の実施例について図面を参照して説明する
。
第１図は本発明の一実施例の断面図である。
第１図において樹脂封止型半導体装置は、銀ペースト等
のろう材６によりアイランド１に固着された半導体素子
２と、エツチングにより先端に溝８が形成されたリード
３と、半導体素子２のパッド（図示せず）とり−ド３の
渭８の底面に電気的に接合された金属細線４と、この金
属細線４が接合されな溝８中に設けられたエポキシ樹脂
やシリコン樹脂等からなる密着性樹脂９と、半導体素子
２と金属細線４とリード３の先端部を封止する封止樹脂
５とから主に構成されている。尚７はり−ド３とアイラ
ンド１を固着する絶縁ペーストである。
封止樹脂５としてはエポキシ樹脂等が用いられるが、ワ
ックス等の離型剤が含まれているため密着性は低下する
。従って密着性樹脂９としては離型剤を含まないエポキ
シ樹脂等であればよく熱硬化性樹脂でも熱可塑性樹脂で
あってもよい。
このように本実施例によれば、金属細線４が接合された
リード３の７１Ｉｔ８を密着性の良い樹脂で埋めること
により、金属細線４とリード３との接合が完全となるた
め、接合部のクラックの発生による電気的特性不良はな
くなる。
尚、密着性樹脂９は溝８を完全に埋める必要はなく、金
属細線４の接合部を覆う程度でよい。この場合、溝８の
側壁が封止樹脂５の剥離を防止するストッパとなる。
〔発明の効果〕
以上説明したように本発明は、リードの先端部に形成さ
れた溝部に金属細線を接合し、かつこの溝がリードと密
着のよい樹脂で埋められていることにより、下記のよう
な効果が得られ、歩留り及び信頼性の高い樹脂封止型半
導体装置が得られる。
（１）リードと金属細線の接合部がリード先端に設けら
れた溝部にあるため、接合部の周辺に存在する封止樹脂
の量を少なくすることが可能となり、封止樹脂に起因す
る金属細線への応力を低減きできる。
（２）リードと金属細線の接合部がリードと密着性のよ
い樹脂で覆われているため、封止樹脂の応力による金属
細線の切れや剥離を防止できる。
【図面の簡単な説明】
第１図は本発明の一実施例の断面図、第２図は従来の樹
脂封止型半導体装置の一例の断面図である。 １・・・アイランド、２・・・半導体素子、３・・・リ
ード、４・・・金属細線、５・・・封止樹脂、６・・・
ろう材、７・・・絶縁ペースト、８・・・溝、９・・・
密着性樹脂。

Claims (1)

    【特許請求の範囲】
  1. アイランドに固着された半導体素子と、先端部に溝が形
    成されたリードと、前記半導体素子のパッドと前記リー
    ドの溝部とに接合された金属細線と、金属細線が接合さ
    れた前記リードの講中に設けられた密着性樹脂と、前記
    半導体素子と金属細線とリードの先端部とを封止する封
    止樹脂とを含むことを特徴とする樹脂封止型半導体装置
    。
JP63278849A 1988-11-02 1988-11-02 樹脂封止型半導体装置 Pending JPH02125454A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63278849A JPH02125454A (ja) 1988-11-02 1988-11-02 樹脂封止型半導体装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63278849A JPH02125454A (ja) 1988-11-02 1988-11-02 樹脂封止型半導体装置

Publications (1)

Publication Number Publication Date
JPH02125454A true JPH02125454A (ja) 1990-05-14

Family

ID=17603001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63278849A Pending JPH02125454A (ja) 1988-11-02 1988-11-02 樹脂封止型半導体装置

Country Status (1)

Country Link
JP (1) JPH02125454A (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0730021A (ja) * 1993-07-09 1995-01-31 Goto Seisakusho:Kk 半導体装置用ヒートシンク及びその製造方法
KR970069610A (ko) * 1996-04-03 1997-11-07 리차드 엔, 제이콥슨 연신 스트립
US6037652A (en) * 1997-05-29 2000-03-14 Nec Corporation Lead frame with each lead having a peel generation preventing means and a semiconductor device using same
US6097083A (en) * 1996-04-10 2000-08-01 Oki Electric Industry Co., Ltd. Semiconductor device which is crack resistant
KR100269219B1 (ko) * 1996-02-28 2000-10-16 이중구 반도체 리드프레임 및 패키지 방법
JP2008010740A (ja) * 2006-06-30 2008-01-17 Stanley Electric Co Ltd 光半導体装置
JP2011505689A (ja) * 2007-12-03 2011-02-24 ソウル セミコンダクター カンパニー リミテッド スリム型ｌｅｄパッケージ
WO2016016970A1 (ja) * 2014-07-30 2016-02-04 株式会社日立製作所 半導体装置、半導体装置の製造方法および電力変換装置

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0730021A (ja) * 1993-07-09 1995-01-31 Goto Seisakusho:Kk 半導体装置用ヒートシンク及びその製造方法
JP2521230B2 (ja) * 1993-07-09 1996-08-07 株式会社後藤製作所 半導体装置用ヒ―トシンク及びその製造方法
KR100269219B1 (ko) * 1996-02-28 2000-10-16 이중구 반도체 리드프레임 및 패키지 방법
KR970069610A (ko) * 1996-04-03 1997-11-07 리차드 엔, 제이콥슨 연신 스트립
US6097083A (en) * 1996-04-10 2000-08-01 Oki Electric Industry Co., Ltd. Semiconductor device which is crack resistant
US6037652A (en) * 1997-05-29 2000-03-14 Nec Corporation Lead frame with each lead having a peel generation preventing means and a semiconductor device using same
JP2008010740A (ja) * 2006-06-30 2008-01-17 Stanley Electric Co Ltd 光半導体装置
US8659050B2 (en) 2007-12-03 2014-02-25 Seoul Semiconductor Co., Ltd. Slim LED package
JP2011505689A (ja) * 2007-12-03 2011-02-24 ソウル セミコンダクター カンパニー リミテッド スリム型ｌｅｄパッケージ
US8963196B2 (en) 2007-12-03 2015-02-24 Seoul Semiconductor Co., Ltd. Slim LED package
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