JP4228926B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP4228926B2 JP4228926B2 JP2004022222A JP2004022222A JP4228926B2 JP 4228926 B2 JP4228926 B2 JP 4228926B2 JP 2004022222 A JP2004022222 A JP 2004022222A JP 2004022222 A JP2004022222 A JP 2004022222A JP 4228926 B2 JP4228926 B2 JP 4228926B2
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- solder
- lead frame
- semiconductor chip
- semiconductor device
- thickness
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Description
図2は、本発明の実施の形態1にかかる半導体装置の、図17の切断線A−Aに相当する断面における構成を示す断面図である。図2に示すように、半導体チップ1の裏面は、半田接合層2を介して、支持基板である絶縁基板3の表面に設けられた回路パターン部4に接合されている。半導体チップ1の表面には、図示しない表面電極が設けられている。この表面電極には、たとえば無電解めっき法によりニッケルおよび金が成膜されている。これは、後述するように表面電極とリードフレーム21との半田接合を容易にするためである。
図7は、本発明の参考の形態にかかる半導体装置の製造方法により製造された半導体装置の構成を示す断面図である。図7に示すように、参考の形態では、ヒートシンク6と絶縁基板3とを接合する半田接合層5、絶縁基板3と半導体チップ1とを接合する半田接合層2、絶縁基板3とリードフレーム21とを接合する半田接合層22、および半導体チップ1とリードフレーム21とを接合する半田接合層23のそれぞれの半田厚さを所定の厚さにするために、各半田接合層2,5,22,23にスペーサとしてフィラー31を設けている。なお、実施の形態1と同様の構成については同一の符号を付して、説明を省略する。
図15は、本発明の実施の形態2にかかる半導体装置の、図17(ただし、ヒートシンク6はない)の切断線A−Aに相当する断面における構成を示す断面図である。図14は、図15に示す構成の半導体装置の半導体チップ1とリードフレーム21との接合部を拡大して示す断面図である。図15に示すように、実施の形態2が実施の形態1と異なるのは、支持基板である絶縁基板3の裏面にヒートシンクが接合されていないことである。すなわち、実施の形態2の半導体装置は、ヒートシンクを有していない構成の装置であって、例えば小中容量クラスのパワーモジュールに適した構成のものである。
2,5,22,23 半田接合層
3 支持基板(絶縁基板)
6 ヒートシンク
21 リードフレーム
31,33,34 フィラー
32 低融点金属
35 フィラーの中心部(コア)
Claims (4)
- 半導体チップの表面に設けられた電極と、該電極の上まで延びるリードフレームとが、100μm以上の厚さの半田接合層を介して接合されており、
前記リードフレームのビッカース硬さは40以下であることを特徴とする半導体装置。 - 少なくとも前記リードフレームの表面はニッケルでできていることを特徴とする請求項1に記載の半導体装置。
- 裏面にヒートシンクが接合されていない支持基板の表面に半導体チップが固定されており、該半導体チップの表面電極にリードフレームが半田により接合された半導体装置であって、
半導体チップの表面に設けられた電極と、該電極の上まで延びるリードフレームとが、50μm以上の厚さの半田接合層を介して接合されており、
前記リードフレームのビッカース硬さは40以下であることを特徴とする半導体装置。 - 前記半導体チップの表面電極には、ニッケルおよび金よりなる膜が成膜されており、前記半田は、Sn−Ag系の半田であることを特徴とする請求項3に記載の半導体装置。
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JP5560595B2 (ja) | 2009-06-18 | 2014-07-30 | 富士電機株式会社 | 半導体装置の製造方法 |
JP5542567B2 (ja) * | 2010-07-27 | 2014-07-09 | 三菱電機株式会社 | 半導体装置 |
JP5895549B2 (ja) * | 2012-01-19 | 2016-03-30 | 株式会社デンソー | 半導体装置及びその製造方法 |
JP5859046B2 (ja) * | 2014-03-07 | 2016-02-10 | 株式会社東芝 | 半導体素子 |
JP6190746B2 (ja) * | 2014-03-25 | 2017-08-30 | エムテックスマツムラ株式会社 | 半導体素子実装用中空パッケージ |
WO2017006916A1 (ja) | 2015-07-08 | 2017-01-12 | 国立研究開発法人産業技術総合研究所 | 半導体装置及び半導体装置の製造方法 |
JP6750263B2 (ja) | 2016-03-18 | 2020-09-02 | 富士電機株式会社 | 電力用半導体モジュール |
DE102016219565A1 (de) * | 2016-10-07 | 2018-04-12 | Continental Automotive Gmbh | Leistungselektronikschaltung |
JP7127641B2 (ja) | 2017-05-11 | 2022-08-30 | 住友電気工業株式会社 | 半導体装置 |
JP6991885B2 (ja) * | 2018-02-21 | 2022-01-13 | 株式会社豊田中央研究所 | 半導体装置およびその製造方法 |
EP3675190B1 (en) | 2018-12-25 | 2023-05-03 | Nichia Corporation | Method of manufacturing light source device and light source device |
US11715767B2 (en) | 2019-03-12 | 2023-08-01 | Sumitomo Electric Industries, Ltd. | Silicon carbide semiconductor device |
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JPS5361973A (en) * | 1976-11-16 | 1978-06-02 | Fuji Electric Co Ltd | Production of semiconductor element |
JPS6186940U (ja) * | 1984-11-12 | 1986-06-07 | ||
JPS62299039A (ja) * | 1986-06-18 | 1987-12-26 | Sanyo Electric Co Ltd | 半導体装置の面実装方法 |
JPH04206890A (ja) * | 1990-11-30 | 1992-07-28 | Mitsubishi Electric Corp | 混成集積回路装置 |
JP2810285B2 (ja) * | 1993-01-20 | 1998-10-15 | 株式会社日立製作所 | 半導体装置及びその製造方法 |
JPH07283247A (ja) * | 1994-04-13 | 1995-10-27 | Sansha Electric Mfg Co Ltd | 半導体装置 |
JPH10265675A (ja) * | 1997-03-26 | 1998-10-06 | Hitachi Ltd | 封止用樹脂及び半導体装置 |
JP3658946B2 (ja) * | 1997-10-16 | 2005-06-15 | 日産自動車株式会社 | 電力用トランジスタの実装構造 |
JP2000277557A (ja) * | 1999-03-26 | 2000-10-06 | Fujitsu Ten Ltd | 半導体装置 |
JP2001332664A (ja) * | 2000-05-24 | 2001-11-30 | Fuji Electric Co Ltd | 半導体装置およびその製造方法 |
JP2002289959A (ja) * | 2001-03-27 | 2002-10-04 | Canon Inc | 半導体光素子、及びその製造方法 |
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