JP6228412B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6228412B2 JP6228412B2 JP2013192963A JP2013192963A JP6228412B2 JP 6228412 B2 JP6228412 B2 JP 6228412B2 JP 2013192963 A JP2013192963 A JP 2013192963A JP 2013192963 A JP2013192963 A JP 2013192963A JP 6228412 B2 JP6228412 B2 JP 6228412B2
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49503—Lead-frames or other flat leads characterised by the die pad
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Description
まず、半導体チップが絶縁ペースト介して接着されたアイランド部を有する半導体装置において、前記アイランド表面の半導体チップ載置領域には複数の逆角錐形状の凹部が設けられ、前記逆角錐形状の凹部の頭頂点から上方へ延ばした垂線と前記半導体チップ載置領域の外側への開口線とが成す第一の開口角度は、前記垂線と前記半導体チップ載置領域の内側への開口線とが成す第二開口角度より狭いことを特徴とする半導体装置とした。
また、前記半導体チップ載置領域が矩形であって、前記半導体チップ載置領域の四隅に凧型四角形の底面を有する四角錘であることを特徴とする半導体装置とした。
また、前記逆角錐形状の凹部を半導体チップ載置領域の中心付近よりも前記半導体チップ載置領域の外周付近で密に配置したことを特徴とする半導体装置とした。
また、前記アイランド部が複数の前記半導体チップ載置領域を有することを特徴とする半導体装置とした。
また、前記アイランドを構成する材質は金属、樹脂、セラミック、金属がメタライズされた樹脂のいずれかひとつからなることを特徴とする半導体装置とした。
図1は、本発明の半導体装置の第一実施例を模式的に示す平面図である。アイランド部1は半導体チップを固着載置(ダイボンド)する台部である。図示されていないが、アイランド部の周囲にはリードが配置されていて、リードと半導体チップとをワイヤを介して接続し、アイランド部と半導体チップとワイヤ、そしてリードの一部を樹脂封止して半導体装置となる。
半導体チップ8はアイランド部1の表面に搭載され、絶縁ペーストなどの接着剤9を介して固着されている。絶縁ペースト9は、アイランド部1の表面に塗布され、逆角錐形状の凹部2にも入り込み、半導体チップ8との接着を強固なものにしている。
半導体装置は一つのアイランド上へ複数の半導体チップを搭載するものも多くあり、図4では、半導体チップを2チップ搭載する場合のアイランド部4を示している。一つのアイランド部4へ少なくとも2チップ以上の半導体チップを搭載する場合、アイランド部4へ逆角錐形状の凹部5は半導体チップの搭載される箇所6、7の両方の範囲へ設けられており、半導体チップは絶縁ペーストによりアイランド部4の表面へ固着実装される。アイランド部4のサイズは絶縁ペーストにより固着実装される半導体チップサイズと半導体チップ搭載数に比例して大きくなり、半導体チップサイズに対して等しいか、やや大きい程度の固着範囲と半導体チップ2との固着実装構造としている。
図1との違いは、半導体チップ載置領域3の四隅に配置された逆角錐形状の凹部を凧型四角形の底面を有する四角錘とした点である。図示するように、該凧型四角形は、高さの異なり底面の長さが同じ2つの二等辺三角形の互いの底辺を合わせた形状であり、高さの低い二等辺三角形の頂点を半導体チップ載置領域3の四隅方向に向け、高さの高い二等辺三角形の頂点を半導体チップ載置領域3の中心方向に向けて配置している。その結果、四角錘の頭頂点からの開口角度は、半導体チップ載置領域四隅方向への開口角度が半導体チップ載置領域中心方向への開口角度よりも狭角になり、半導体チップの接着がより強固なものとなる。
これまで説明した実施例では、逆角錐形状の凹部を半導体チップ載置領域3に均等の距離をおいて配置したが、半導体チップ載置領域3の中心付近では疎な配置をし、半導体チップ載置領域3の外周付近では密な配置をすることで、半導体チップ載置領域3中心付近よりも外周付近において、余分な絶縁ペーストの濡れ広がりが抑制されるという効果が一層高まる。
2 逆角錐形状の凹部(逆正三角錐)
3 半導体チップ載置領域
4 複数の半導体チップを搭載するアイランド部
5 逆角錐形状の凹部(逆正三角錐)
6 半導体チップ載置領域
7 半導体チップ載置領域
8 半導体チップ
9 絶縁ペースト(接着剤)
10 逆角錐形状の凹部(凧型四角形底面を有する逆四角錐)
Claims (7)
- 半導体チップが絶縁ペーストを介して接着されたアイランド部を有する半導体装置であって、前記アイランド部の表面の半導体チップ載置領域には複数の逆角錐形状の凹部が設けられ、前記逆角錐形状の凹部の頭頂点から上方へ延ばした垂線と前記半導体チップ載置領域の外側への開口線とが成す第一の開口角度は、前記垂線と前記半導体チップ載置領域の内側への開口線とが成す第二開口角度より小さく、前記逆角錐形状の凹部が逆正三角錐であることを特徴とする半導体装置。
- 前記半導体チップ載置領域が矩形であって、前記半導体チップ載置領域の四隅に凧型四角形の底面を有する四角錘を設けたことを特徴とする請求項1記載の半導体装置。
- 前記逆角錐形状の凹部を半導体チップ載置領域の中心付近よりも前記半導体チップ載置領域の外周付近で密に配置したことを特徴とする請求項1または請求項2記載の半導体装置。
- 半導体チップが絶縁ペーストを介して接着されたアイランド部を有する半導体装置であって、前記アイランド部の表面の半導体チップ載置領域には複数の逆角錐形状の凹部が設けられ、前記逆角錐形状の凹部の頭頂点から上方へ延ばした垂線と前記半導体チップ載置領域の外側への開口線とが成す第一の開口角度は、前記垂線と前記半導体チップ載置領域の内側への開口線とが成す第二開口角度より小さく、前記逆角錐形状の凹部を半導体チップ載置領域の中心付近よりも前記半導体チップ載置領域の外周付近で密に配置したことを特徴とする半導体装置。
- 前記逆角錐形状の凹部を前記半導体チップ載置領域の外縁部に配置したことを特徴とする請求項1乃至4のいずれか1項記載の半導体装置。
- 前記アイランド部が複数の前記半導体チップ載置領域を有することを特徴とする請求項1乃至5のいずれか1項記載の半導体装置。
- 前記アイランド部を構成する材質は、金属、樹脂、セラミック、あるいは金属がメタライズされた樹脂のいずれかひとつからなることを特徴とする請求項1乃至6のいずれか1項記載の半導体装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013192963A JP6228412B2 (ja) | 2013-09-18 | 2013-09-18 | 半導体装置 |
TW103130814A TWI617000B (zh) | 2013-09-18 | 2014-09-05 | 半導體裝置 |
US14/485,918 US9219026B2 (en) | 2013-09-18 | 2014-09-15 | Semiconductor device |
KR20140123609A KR20150032497A (ko) | 2013-09-18 | 2014-09-17 | 반도체 장치 |
CN201410477053.2A CN104465591B (zh) | 2013-09-18 | 2014-09-18 | 半导体装置 |
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Application Number | Priority Date | Filing Date | Title |
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JP2013192963A JP6228412B2 (ja) | 2013-09-18 | 2013-09-18 | 半導体装置 |
Publications (2)
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JP2015060916A JP2015060916A (ja) | 2015-03-30 |
JP6228412B2 true JP6228412B2 (ja) | 2017-11-08 |
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Application Number | Title | Priority Date | Filing Date |
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JP2013192963A Expired - Fee Related JP6228412B2 (ja) | 2013-09-18 | 2013-09-18 | 半導体装置 |
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US (1) | US9219026B2 (ja) |
JP (1) | JP6228412B2 (ja) |
KR (1) | KR20150032497A (ja) |
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DE112016005807B4 (de) * | 2015-12-16 | 2024-05-08 | Mitsubishi Electric Corporation | Halbleitereinheit und Verfahren zur Herstellung derselben |
JP7066603B2 (ja) * | 2018-12-20 | 2022-05-13 | 京セラ株式会社 | 配線基板および実装構造体 |
CN114203567B (zh) * | 2021-11-24 | 2022-08-16 | 广东气派科技有限公司 | 一种控制半导体封装过程中粘接剂稳定性的工艺方法 |
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JPH0676474B2 (ja) * | 1986-12-23 | 1994-09-28 | 住友ベークライト株式会社 | 半導体用絶縁樹脂ペ−スト |
JPS63178342U (ja) * | 1987-05-12 | 1988-11-18 | ||
JPH05218275A (ja) * | 1992-02-04 | 1993-08-27 | Hitachi Cable Ltd | 半導体装置用リードフレーム |
JP3599031B2 (ja) * | 2002-02-12 | 2004-12-08 | セイコーエプソン株式会社 | 半導体装置 |
JP2008294172A (ja) * | 2007-05-24 | 2008-12-04 | Panasonic Corp | リードフレームおよび半導体装置ならびに半導体装置の製造方法 |
US8958070B2 (en) * | 2007-05-29 | 2015-02-17 | OptoTrace (SuZhou) Technologies, Inc. | Multi-layer variable micro structure for sensing substance |
JP2009147094A (ja) * | 2007-12-14 | 2009-07-02 | Panasonic Corp | 半導体装置 |
JP2012028513A (ja) * | 2010-07-22 | 2012-02-09 | Elpida Memory Inc | 半導体装置及びその製造方法 |
JP2011146736A (ja) * | 2011-03-22 | 2011-07-28 | Rohm Co Ltd | リードフレームおよび半導体装置 |
JP5830958B2 (ja) * | 2011-06-23 | 2015-12-09 | 日産自動車株式会社 | 半導体モジュール |
KR20130012500A (ko) * | 2011-07-25 | 2013-02-04 | 삼성전자주식회사 | 칩 패키지 구조물 및 그 제조 방법 |
CN103163115B (zh) * | 2011-12-11 | 2016-11-23 | 欧普图斯(苏州)光学纳米科技有限公司 | 感应物质的多层可变微结构 |
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CN104465591A (zh) | 2015-03-25 |
US20150076715A1 (en) | 2015-03-19 |
KR20150032497A (ko) | 2015-03-26 |
TW201535646A (zh) | 2015-09-16 |
US9219026B2 (en) | 2015-12-22 |
JP2015060916A (ja) | 2015-03-30 |
TWI617000B (zh) | 2018-03-01 |
CN104465591B (zh) | 2018-09-18 |
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