JP2010258315A - パワーモジュール及び電力変換装置 - Google Patents
パワーモジュール及び電力変換装置 Download PDFInfo
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- JP2010258315A JP2010258315A JP2009108653A JP2009108653A JP2010258315A JP 2010258315 A JP2010258315 A JP 2010258315A JP 2009108653 A JP2009108653 A JP 2009108653A JP 2009108653 A JP2009108653 A JP 2009108653A JP 2010258315 A JP2010258315 A JP 2010258315A
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- insulating layer
- inorganic
- semiconductor element
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- conductor plate
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Abstract
【解決手段】上記課題を解決するために、本発明に係るパワーモジュールは、スイッチング動作によって直流電流を交流電流に変換させるための半導体素子と、一方の主面に前記半導体素子を配置する配線導体板と、前記配線導体板の他方の主面側に配置される樹脂製絶縁層と、前記樹脂製絶縁層を介して前記配線導体板とは反対側に配置され、かつ当該樹脂製絶縁層と接合するための無機層と、前記無機層を介して前記樹脂製絶縁層とは反対側に配置される前記無機絶縁層と、前記無機絶縁層を介して前記無機層とは反対側に配置される金属製放熱部材と、を備える。
【選択図】 図5
Description
300A モジュール一次封止体
304 CAN型冷却器
304A 湾曲部
305 フィン
314 直流正極配線板
316 直流負極配線板
320L,320U 信号端子
328 上アーム用IGBT
330 下アーム用IGBT
334 伝熱面
333 絶縁シート
337 金属接合材料
Claims (8)
- スイッチング動作によって直流電流を交流電流に変換させるための半導体素子と、
一方の主面に前記半導体素子を配置し、かつ当該半導体素子と電気的接続される配線導体板と、
前記配線導体板の他方の主面側に配置される樹脂製絶縁層と、
前記樹脂製絶縁層を介して前記配線導体板とは反対側に配置され、かつ当該樹脂製絶縁層と接合するための無機層と、
前記無機層を介して前記樹脂製絶縁層とは反対側に配置され、かつ前記半導体素子の電気的な絶縁を確保するための無機絶縁層と、
前記無機絶縁層を介して前記無機層とは反対側に配置され、かつ前記半導体素子が発生する熱を前記配線導体板,前記樹脂製絶縁層,前記無機層及び前記無機絶縁層を介して放散するための金属製放熱部材と、を備えるパワーモジュール。 - 請求項1に記載のパワーモジュールであって、
前記無機層は、前記金属製放熱部材に無機酸系のアルマイト処理が施されることによって当該金属製放熱部材に形成され、
前記無機絶縁層は、前記金属製放熱部材に有機酸系のアルマイト処理が施されることによって当該金属製放熱部材に形成されるパワーモジュール。 - 請求項1または2に記載のいずれかのパワーモジュールであって、
前記無機絶縁層の膜厚は、前記無機層の膜厚よりも大きく形成されるパワーモジュール。 - 請求項1ないし3に記載のいずれかのパワーモジュールであって、
前記無機絶縁層に施されたアルマイト処理は、リン酸又はシュウ酸アルマイト処理であるパワーモジュール。 - スイッチング動作によって直流電流を交流電流に変換させるための半導体素子と、
前記半導体素子の一方の主電極と対向して配置され、かつ当該半導体素子と電気的接続される第1配線導体板と、
前記半導体素子の他方の主電極と対向して配置され、かつ当該半導体素子と電気的接続される第2配線導体板と、
前記第1配線導体板を介して前記半導体素子とは反対側に配置される第1樹脂製絶縁層と、
前記第2配線導体板を介して前記半導体素子とは反対側に配置される第2樹脂製絶縁層と、
前記第1樹脂製絶縁層を介して前記第1配線導体板とは反対側に配置され、かつ当該第1樹脂製絶縁層と接合するためのアルマイト処理が施された第1無機層と、
前記第2樹脂製絶縁層を介して前記第2配線導体板とは反対側に配置され、かつ当該第2樹脂製絶縁層と接合するためのアルマイト処理が施された第2無機層と、
前記第1無機層を介して前記第1樹脂製絶縁層とは反対側に配置され、かつ前記半導体素子の電気的な絶縁を確保するための第1無機絶縁層と、
前記第2絶縁層を介して前記第2樹脂製絶縁層とは反対側に配置され、かつ前記半導体素子の電気的な絶縁を確保するための第1無機絶縁層と、
前記第1無機絶縁層を介して前記第1無機層とは反対側に配置され、かつ前記半導体素子が発生する熱を前記第1配線導体板、前記第1樹脂製絶縁層、前記第1無機層及び前記第1無機絶縁層を介して放散するための第1金属製放熱部材と、
前記第2無機絶縁層を介して前記第2無機層とは反対側に配置され、かつ前記半導体素子が発生する熱を前記第2配線導体板,前記第2樹脂製絶縁層,前記第2無機層及び前記第2無機絶縁層を介して放散するための第2金属製放熱部材と、を備えるパワーモジュール。 - 請求項5に記載のパワーモジュールであって、
前記第1無機層は、前記第1金属製放熱部材に無機酸系のアルマイト処理が施されることによって当該第1金属製放熱部材に形成され、
前記第2無機絶縁層は、前記第2金属製放熱部材に無機酸系のアルマイト処理が施されることによって当該第2金属製放熱部材に形成され、
前記第1無機絶縁層は、前記第1金属製放熱部材に有機酸系のアルマイト処理が施されることによって当該第1金属製放熱部材に形成され、
前記第2無機絶縁層は、前記第2金属製放熱部材に有機酸系のアルマイト処理が施されることによって当該第2金属製放熱部材に形成されるパワーモジュール。 - スイッチング動作によって直流電流を交流電流に変換させるための半導体素子と、
前記半導体素子の一方の主電極と対向して配置され、かつ当該半導体素子と電気的接続される第1配線導体板と、
前記半導体素子の他方の主電極と対向して配置され、かつ当該半導体素子と電気的接続される第2配線導体板と、
前記半導体素子が配置された側とは反対側の前記第1配線導体板の面の一部と、前記半導体素子が配置された側とは反対側の前記第2配線導体板の面の一部とを露出するように、前記半導体素子と前記第1配線導体板と前記第2配線導体板を封止するための樹脂封止材と、
前記樹脂封止材により封止された前記半導体素子と前記第1配線導体板と前記第2配線導体板を挿入するための開口を有する金属製ケースと、
前記第1配線導体板及び前記第2配線導体板の露出面と前記金属製ケースの内壁との間に挿入される絶縁シートと、を備え、
前記金属製ケースは、前記絶縁シートと当該金属製ケースとの対向面に、前記絶縁シートと接合するための無機層が形成されるとともに、当該無機層を介して前記絶縁シートとは反対側に無機絶縁層が形成されるパワーモジュール。 - 請求項7に記載のパワーモジュールであって、
前記無機層は、前記金属製ケースに無機酸系のアルマイト処理が施されることにより当該金属製ケースに形成され、
前記無機絶縁層は、前記金属製ケースに有機酸系のアルマイト処理が施されることによって当該金属製ケースに形成されるパワーモジュール。
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US13/266,675 US8675364B2 (en) | 2009-04-28 | 2010-04-16 | Power module and power conversion device |
PCT/JP2010/056872 WO2010125935A1 (ja) | 2009-04-28 | 2010-04-16 | パワーモジュール |
CN201080018856.1A CN102414816B (zh) | 2009-04-28 | 2010-04-16 | 功率模块及电力转换装置 |
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Also Published As
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US20120087095A1 (en) | 2012-04-12 |
EP2426715B1 (en) | 2020-12-09 |
EP2426715A4 (en) | 2016-05-04 |
CN102414816B (zh) | 2016-01-20 |
JP5492447B2 (ja) | 2014-05-14 |
CN102414816A (zh) | 2012-04-11 |
WO2010125935A1 (ja) | 2010-11-04 |
EP2426715A1 (en) | 2012-03-07 |
US8675364B2 (en) | 2014-03-18 |
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