JP2006253516A - パワー半導体装置 - Google Patents
パワー半導体装置 Download PDFInfo
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- JP2006253516A JP2006253516A JP2005070255A JP2005070255A JP2006253516A JP 2006253516 A JP2006253516 A JP 2006253516A JP 2005070255 A JP2005070255 A JP 2005070255A JP 2005070255 A JP2005070255 A JP 2005070255A JP 2006253516 A JP2006253516 A JP 2006253516A
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- power semiconductor
- semiconductor device
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- conductor plate
- metal
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Abstract
パワー半導体装置の端子と絶縁基板上の回路とを接続するハンダ部分の信頼性を高めること。
【解決手段】
本発明のパワー半導体装置は、端子の絶縁基板上の金属回路に接合する部分の厚さを、主電流が通流する端子の他の部分の厚さより薄くしたり、端子の絶縁基板上の金属回路に接合する部分をスリットで分割して、接合部にかかる応力を低減した。本発明のパワー半導体装置本発明によれば、ハンダ接続部の信頼性を向上し、モジュール内部の配線が短くできるので、配線抵抗を低くし、配線のインダクタンスも低くできる。
【選択図】図1
Description
Claims (12)
- 底面に金属基板を備え、側面部と上面部とが有機樹脂で囲まれ、内部に複数の電力半導体素子を搭載し、前記底面の金属基板と電力半導体素子との間に絶縁回路基板を配置し、金属導体板の一端を折り曲げて前記絶縁回路基板に接合部材を介して接続した内部絶縁型のパワー半導体装置において、
該金属導体板が他端を外部導体に接続する金属端子であって、前記一端と他端との間に複数の屈曲部を有する応力緩和部を備え、前記絶縁回路基板に接続している一端の厚さが、該応力緩和部の厚さより薄いことを特徴とするパワー半導体装置。 - 請求項1に記載のパワー半導体装置において、前記金属導体板の前記折り曲げた一端の端子面が長方形を成し、該一端の厚さが該長方形の短辺の長さより薄いことを特徴とするパワー半導体装置。
- 請求項1に記載のパワー半導体装置において、前記金属導体板の他端と応力緩和部との間の部材が前記上面部を囲む樹脂と一体に形成され、前記電力半導体素子がIGBTであることを特徴とするパワー半導体装置。
- 請求項3に記載のパワー半導体装置において、前記絶縁回路基板に接続している一端をプレス加工で薄くしたことを特徴とするパワー半導体装置。
- 底面に金属基板を備え、側面部と上面部とが有機樹脂で囲まれ、内部に複数の電力半導体素子を搭載し、前記底面の金属基板と電力半導体素子との間に絶縁回路基板を配置し、金属導体板の一端を折り曲げて前記絶縁回路基板に接合部材を介して接続した内部絶縁型のパワー半導体装置において、
該金属導体板が他端を外部導体に接続する金属端子であって、前記一端と他端との間に複数の屈曲部を有する応力緩和部を備え、前記絶縁回路基板に接続している一端がスリット部によって分割されていることを特徴とするパワー半導体装置。 - 請求項5に記載のパワー半導体装置において、前記金属導体板の一端の厚さが、該応力緩和部の厚さより薄いことを特徴とするパワー半導体装置。
- 請求項5に記載のパワー半導体装置において、前記金属導体板の一端に、スリット部の開口部があることを特徴とするパワー半導体装置。
- 請求項5に記載のパワー半導体装置において、前記スリット部が前記金属導体板の一端と前記屈曲部を有する応力緩和部との間にも延在していることを特徴とするパワー半導体装置。
- 請求項6に記載のパワー半導体装置において、前記金属導体板の他端と応力緩和部との間の部材が前記上面部を囲む樹脂と一体に形成され、前記電力半導体素子がIGBTであることを特徴とするパワー半導体装置。
- 底面に金属基板を備え、側面部と上面部とが有機樹脂で囲まれ、内部に複数の電力半導体素子を搭載し、前記底面の金属基板と電力半導体素子との間に絶縁回路基板を配置し、金属導体板の一端を折り曲げて前記絶縁回路基板に接合部材を介して接続し、該金属導体板の他端を折り曲げて前記電力半導体素子に別の接合部材を介して接続した内部絶縁型のパワー半導体装置において、
前記金属導体板が前記一端の屈曲部と他端の屈曲部との間の部材の厚さより、前記電力半導体素子に接続した他端の厚さが薄いことを特徴とするパワー半導体装置。 - 請求項10に記載のパワー半導体装置において、前記電力半導体素子に接続した他端がスリット部によって分割されていることを特徴とするパワー半導体装置。
- 請求項11に記載のパワー半導体装置において、前記金属導体板の一端に、前記スリット部の開口部があることを特徴とするパワー半導体装置。
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JP2017228630A (ja) * | 2016-06-22 | 2017-12-28 | 富士電機株式会社 | 半導体装置及び半導体装置の製造方法 |
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JP2725954B2 (ja) * | 1992-07-21 | 1998-03-11 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
JP3053298B2 (ja) * | 1992-08-19 | 2000-06-19 | 株式会社東芝 | 半導体装置 |
EP0609528A1 (en) * | 1993-02-01 | 1994-08-10 | Motorola, Inc. | Low inductance semiconductor package |
JP2973799B2 (ja) * | 1993-04-23 | 1999-11-08 | 富士電機株式会社 | パワートランジスタモジュール |
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JP2004207432A (ja) * | 2002-12-25 | 2004-07-22 | Mitsubishi Electric Corp | パワーモジュール |
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JP2015046416A (ja) * | 2013-08-27 | 2015-03-12 | 三菱電機株式会社 | 半導体装置および半導体装置の製造方法 |
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US10096570B2 (en) | 2015-06-11 | 2018-10-09 | Mitsubishi Electric Corporation | Manufacturing method for power semiconductor device, and power semiconductor device |
JP2017228630A (ja) * | 2016-06-22 | 2017-12-28 | 富士電機株式会社 | 半導体装置及び半導体装置の製造方法 |
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