JPWO2013124989A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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Abstract
Description
図1は、本発明の実施の形態1に係る半導体装置の斜視図である。半導体装置10は、基板12の上に形成されたベース板14を有している。ベース板14には半導体素子16が固定されている。半導体素子16は、例えばSiで形成された縦型IGBTである。半導体素子16の表面には、分離して設けられた4つのはんだが形成されている。4つのはんだには第1はんだ18及び第2はんだ20が含まれる。この4つのはんだにより端子22と半導体素子16が接続されている。
図5は、本発明の実施の形態2に係る半導体装置の断面図である。実施の形態1に係る半導体装置との相違点を中心に説明する。
なお、ドナー密度は実効ドナー密度としてもよい。
図6は、本発明の実施の形態3に係る半導体装置の断面図である。実施の形態1に係る半導体装置との相違点を中心に説明する。
図7は、本発明の実施の形態4に係る半導体装置の断面図である。実施の形態1に係る半導体装置との相違点を中心に説明する。
図8は、本発明の実施の形態5に係る半導体装置の断面図である。実施の形態1に係る半導体装置との相違点を中心に説明する。
図9は、本発明の実施の形態6に係る半導体素子の断面図である。実施の形態1に係る半導体装置との相違点を中心に説明する。
Claims (10)
- 平面視で直線的に形成された複数のゲートと、前記複数のゲートと絶縁されたエミッタパターンと、前記エミッタパターンの上に形成されたエミッタ電極を有し、前記エミッタパターンを介して前記エミッタ電極へ主電流が流れるように形成された半導体素子と、
前記エミッタ電極の一部に形成された第1はんだと、
前記第1はんだと離れて、前記エミッタ電極の一部に形成された第2はんだと、
前記第1はんだ及び前記第2はんだにより前記エミッタ電極に接続された端子と、を備え、
前記半導体素子は、前記第1はんだが形成された第1はんだ領域と、前記第2はんだが形成された第2はんだ領域と、前記第1はんだ領域と前記第2はんだ領域の間の領域である中間領域とを有し、
前記第1はんだ領域の前記ゲートの密度と、前記第2はんだ領域の前記ゲートの密度と、前記中間領域の前記ゲートの密度は等しく、
前記半導体素子は、前記中間領域の前記主電流の電流密度が、前記第1はんだ領域及び前記第2はんだ領域の前記主電流の電流密度よりも低くなるように形成されたことを特徴とする半導体装置。 - 平面視での単位面積当たりの前記エミッタパターンと前記エミッタ電極との接触面積は、前記第1はんだ領域及び前記第2はんだ領域よりも前記中間領域で小さくなることを特徴とする請求項1に記載の半導体装置。
- 前記中間領域における前記エミッタパターンの不純物密度は、前記第1はんだ領域における前記エミッタパターンの不純物密度、及び前記第2はんだ領域における前記エミッタパターンの不純物密度よりも低いことを特徴とする請求項1に記載の半導体装置。
- 前記ゲートと接して形成され、前記ゲートに電圧が印加されることで導電型が反転するベース層を備え、
前記中間領域における前記ベース層の不純物密度は、前記第1はんだ領域における前記ベース層の不純物密度、及び前記第2はんだ領域における前記ベース層の不純物密度よりも高いことを特徴とする請求項1に記載の半導体装置。 - 前記中間領域の前記主電流の経路は、前記第1はんだ領域、及び前記第2はんだ領域の前記主電流の経路よりも格子欠陥が多いことを特徴とする請求項1に記載の半導体装置。
- 前記中間領域の前記主電流の経路の比抵抗は、前記第1はんだ領域の前記主電流の経路の比抵抗、及び前記第2はんだ領域の前記主電流の経路の比抵抗よりも高いことを特徴とする請求項1に記載の半導体装置。
- 前記中間領域の幅は、前記第1はんだ領域又は前記第2はんだ領域の幅の半分以上であることを特徴とする請求項1に記載の半導体装置。
- 前記半導体素子は、表面に前記エミッタ電極が形成され、裏面にコレクタ電極が形成された縦型IGBTであることを特徴とする請求項1乃至7のいずれか1項に記載の半導体装置。
- 前記半導体素子は、ワイドバンドギャップ半導体によって形成されていることを特徴とする請求項1乃至8のいずれか1項に記載の半導体装置。
- 前記ワイドバンドギャップ半導体は、炭化珪素、窒化ガリウム系材料又はダイヤモンドであることを特徴とする請求項9に記載の半導体装置。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/054294 WO2013124989A1 (ja) | 2012-02-22 | 2012-02-22 | 半導体装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2013124989A1 true JPWO2013124989A1 (ja) | 2015-05-21 |
| JP5871050B2 JP5871050B2 (ja) | 2016-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014500799A Active JP5871050B2 (ja) | 2012-02-22 | 2012-02-22 | 半導体装置 |
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| Country | Link |
|---|---|
| US (1) | US9306046B2 (ja) |
| JP (1) | JP5871050B2 (ja) |
| CN (1) | CN104137244B (ja) |
| DE (1) | DE112012005921B4 (ja) |
| WO (1) | WO2013124989A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013225805A1 (de) * | 2013-12-12 | 2015-06-18 | Continental Automotive Gmbh | Verfahren zum Herstellen einer Baugruppe und Baugruppe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004363327A (ja) * | 2003-06-04 | 2004-12-24 | Fuji Electric Device Technology Co Ltd | 半導体装置 |
| JP2006120933A (ja) * | 2004-10-22 | 2006-05-11 | Toyota Motor Corp | 半導体装置 |
| JP2008171891A (ja) * | 2007-01-09 | 2008-07-24 | Toyota Motor Corp | 半導体装置とその製造方法 |
| JP2008181975A (ja) * | 2007-01-23 | 2008-08-07 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
| JP2012004171A (ja) * | 2010-06-14 | 2012-01-05 | Nissan Motor Co Ltd | 半導体装置 |
| JP2012028674A (ja) * | 2010-07-27 | 2012-02-09 | Mitsubishi Electric Corp | 半導体装置および半導体装置の製造方法 |
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| US6228694B1 (en) * | 1999-06-28 | 2001-05-08 | Intel Corporation | Method of increasing the mobility of MOS transistors by use of localized stress regions |
| US6710405B2 (en) * | 2001-01-17 | 2004-03-23 | Ixys Corporation | Non-uniform power semiconductor device |
| JP4572795B2 (ja) * | 2005-02-10 | 2010-11-04 | サンケン電気株式会社 | 絶縁ゲート型バイポーラトランジスタ |
| JP4498170B2 (ja) * | 2005-03-02 | 2010-07-07 | 三菱電機株式会社 | 半導体装置及びその製造方法 |
| US7622796B2 (en) * | 2005-09-13 | 2009-11-24 | Alpha And Omega Semiconductor Limited | Semiconductor package having a bridged plate interconnection |
| JP2008277523A (ja) * | 2007-04-27 | 2008-11-13 | Toyota Motor Corp | 接触電極付き半導体装置 |
| US8207612B2 (en) * | 2007-11-09 | 2012-06-26 | Sanken Electric Co., Ltd. | Semiconductor device and manufacturing method thereof |
| JP5561922B2 (ja) * | 2008-05-20 | 2014-07-30 | 三菱電機株式会社 | パワー半導体装置 |
| JP2011082220A (ja) | 2009-10-02 | 2011-04-21 | Toyota Motor Corp | 半導体装置 |
| JP5589342B2 (ja) | 2009-10-19 | 2014-09-17 | トヨタ自動車株式会社 | 半導体装置 |
-
2012
- 2012-02-22 US US14/359,042 patent/US9306046B2/en active Active
- 2012-02-22 JP JP2014500799A patent/JP5871050B2/ja active Active
- 2012-02-22 DE DE112012005921.2T patent/DE112012005921B4/de active Active
- 2012-02-22 WO PCT/JP2012/054294 patent/WO2013124989A1/ja not_active Ceased
- 2012-02-22 CN CN201280070478.0A patent/CN104137244B/zh active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004363327A (ja) * | 2003-06-04 | 2004-12-24 | Fuji Electric Device Technology Co Ltd | 半導体装置 |
| JP2006120933A (ja) * | 2004-10-22 | 2006-05-11 | Toyota Motor Corp | 半導体装置 |
| JP2008171891A (ja) * | 2007-01-09 | 2008-07-24 | Toyota Motor Corp | 半導体装置とその製造方法 |
| JP2008181975A (ja) * | 2007-01-23 | 2008-08-07 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
| JP2012004171A (ja) * | 2010-06-14 | 2012-01-05 | Nissan Motor Co Ltd | 半導体装置 |
| JP2012028674A (ja) * | 2010-07-27 | 2012-02-09 | Mitsubishi Electric Corp | 半導体装置および半導体装置の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104137244A (zh) | 2014-11-05 |
| US9306046B2 (en) | 2016-04-05 |
| DE112012005921T5 (de) | 2014-11-06 |
| DE112012005921B4 (de) | 2021-04-29 |
| CN104137244B (zh) | 2017-03-08 |
| WO2013124989A1 (ja) | 2013-08-29 |
| US20150303287A1 (en) | 2015-10-22 |
| JP5871050B2 (ja) | 2016-03-01 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |