JP2018026543A - パワー半導体装置 - Google Patents
パワー半導体装置 Download PDFInfo
- Publication number
- JP2018026543A JP2018026543A JP2017135331A JP2017135331A JP2018026543A JP 2018026543 A JP2018026543 A JP 2018026543A JP 2017135331 A JP2017135331 A JP 2017135331A JP 2017135331 A JP2017135331 A JP 2017135331A JP 2018026543 A JP2018026543 A JP 2018026543A
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- power semiconductor
- semiconductor device
- capacitor
- substrate
- conductive
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- Dc-Dc Converters (AREA)
Abstract
【解決手段】本発明は、基板(2)と、該基板(2)上に配置され、該基板(2)と導電結合されるパワー半導体構成要素(3)と、導電性の直流電圧母線構造部(4)と、該直流電圧母線構造部(4)と導電結合されているコンデンサ(44)とを備えたパワー半導体装置(1)に関する。パワー半導体装置(1)は、コンデンサ固定機構(6)が少なくとも1つの第1の変形要素(12)を介して前記直流電圧母線構造部(4)を前記基板(2)の方向へ押し、これによって母線構造部接続要素(5,5’)を前記基板(2)の導電性の接触面(11)に対し押圧させ、その結果前記母線構造部接続要素(5,5’)が前記基板(2)の前記接触面(11)と導電性圧接するように、構成されている。
【選択図】図1
Description
2 基板
3 パワー半導体構成要素
4 直流電圧母線構造部
5,5’ 母線構造部接続要素
6 コンデンサ固定機構
7 ポジティブポテンシャルバスバー
8 ネガティブポテンシャルバスバー
12 第1の変形要素
16 交流負荷電流誘導要素
19 圧力要素
20 第2の変形要素
23 ブロッキング要素
24 第3の変形要素
26 ブロッキング要素の繰り抜き部
27 導電板
28 受容要素
29 第4の変形要素
30 コンデンサ受容機構
43 コンデンサ固形機構の繰り抜き部
44 コンデンサ
55 絶縁層
62 ねじ(圧力生成手段)
63 パワー半導体装置の本体
Claims (13)
- 基板(2)と、該基板(2)上に配置され、該基板(2)と導電結合されるパワー半導体構成要素(3)と、導電性の直流電圧母線構造部(4)と、該直流電圧母線構造部(4)と導電結合されているコンデンサ(44)とを備えたパワー半導体装置(1)において、該パワー半導体装置(1)が、前記コンデンサ(44)を固定するために、該コンデンサ(44)を受容するための受容機構(30)を備えたコンデンサ固定機構(6)を有し、該コンデンサ固定機構内に前記コンデンサ(44)の少なくとも一部分が配置され、前記直流電圧母線構造部(4)を起点に、該直流電圧母線構造部と導電結合される導電性の母線構造部接続要素(5,5’)が前記基板(2)の方向へ延在し、前記コンデンサ固定機構(6)の、前記直流電圧母線構造部(4)側の側面(9)に、前記コンデンサ固定機構(6)と溶着結合され、エラストマーから形成されている弾性の少なくとも1つの第1の変形要素(12)が配置され、前記パワー半導体装置(1)は次のように構成され、すなわち前記コンデンサ固定機構(6)が前記少なくとも1つの第1の変形要素(12)を介して前記直流電圧母線構造部(4)を前記基板(2)の方向へ押し、これによって前記母線構造部接続要素(5,5’)を前記基板(2)の導電性の接触面(11)に対し押圧させ、その結果前記母線構造部接続要素(5,5’)が前記基板(2)の前記接触面(11)と導電性圧接するように、構成されているパワー半導体装置。
- 前記少なくとも1つの第1の変形要素(12)の一部分が、前記コンデンサ固定機構(6)の、それぞれの前記第1の変形要素(12)側の繰り抜き部(43)内に配置されていることを特徴とする、請求項1に記載のパワー半導体装置。
- 前記パワー半導体装置が交流負荷電流誘導要素(16)を有し、前記コンデンサ固定機構(6)が圧力要素(19)を有し、該圧力要素(19)の、前記交流負荷電流誘導要素(16)側の側面(22)に、前記圧力要素(19)と溶着結合され、エラストマーから形成されている弾性の第2の変形要素(20)が配置され、前記パワー半導体装置(1)は次のように構成され、すなわち前記コンデンサ固定機構(6)が前記第2の変形要素(20)を介して前記交流負荷電流誘導要素(16)を前記基板(2)の他の導電性の接触面(11)に対し押圧させ、その結果前記交流負荷電流誘導要素(16)が前記基板(2)と導電性圧接するように、構成されていることを特徴とする、請求項1または2に記載のパワー半導体装置。
- 前記第2の変形要素(20)の一部分が、前記圧力要素(19)の、前記第2の変形要素(20)に付設された繰り抜き部(21)内に配置されていることを特徴とする、請求項3に記載のパワー半導体装置。
- 前記パワー半導体装置(1)が導電板(27)を有し、前記コンデンサ固定機構(6)がブロッキング要素(23)を有し、該ブロッキング要素(23)の、前記導電板(27)側の側面(25)に、前記ブロッキング要素(23)と溶着結合され、エラストマーから形成され、前記導電板(27)と機械的に接触している弾性の第3の変形要素(24)が配置されていることを特徴とする、請求項1から4までのいずれか一つに記載のパワー半導体装置。
- 前記第3の変形要素(24)の一部分が、前記ブロッキング要素(23)の、前記第3の変形要素(24)に付設されている繰り抜き部(26)内に配置されていることを特徴とする、請求項5に記載のパワー半導体装置。
- 前記受容機構(30)が受容要素(28)を有し、前記コンデンサ(44)が前記受容要素(28)と前記直流電圧母線構造部(3)との間に配置され、前記受容要素(28)の、前記コンデンサ(44)側の側面(61)に、前記受容要素(28)と溶着結合され、エラストマーから形成され、前記コンデンサ(44)と接触している弾性の第4の変形要素(29)が配置されていることを特徴とする、請求項1から6までのいずれか一つに記載のパワー半導体装置。
- 前記エラストマーが架橋シリコンゴムとして、特に架橋リキッドシリコンゴムまたは架橋ソリッドシリコンゴムとして形成されていることを特徴とする、請求項1から7までのいずれか一つに記載のパワー半導体装置。
- 前記直流電圧母線構造部(4)が、導電性のポジティブポテンシャルバスバー(7)と導電性のネガティブポテンシャルバスバー(8)とを有し、前記ポジティブポテンシャルバスバー(7)と前記ネガティブポテンシャルバスバー(8)とが、該ポジティブポテンシャルバスバー(7)とネガティブポテンシャルバスバー(8)との間に配置されている非導電性の絶縁層(55)によって互いに電気絶縁されて配置されていることを特徴とする、請求項1から8までのいずれか一つに記載のパワー半導体装置。
- それぞれの前記母線構造部接続要素(5,5’)が、前記ポジティブポテンシャルバスバー(7)または前記ネガティブポテンシャルバスバー(8)と一体に形成されていることを特徴とする、請求項9に記載のパワー半導体装置。
- 前記直流電圧母線構造部(4)を備えた前記少なくとも1つの第1の変形要素(12)を有する機械的な接触面(50)が、前記直流電圧母線構造部(4)の、前記コンデンサ固定機構(6)側の面(51)の最大で70%、特に最大で40%、特に最大で20%であり、前記少なくとも1つの変形要素(12)が、前記直流電圧母線構造部(4)の、前記母線構造部接続要素(5,5’)のすぐ近くに配置されている領域(53)と機械的に接触していることを特徴とする、請求項1から10までのいずれか一つに記載のパワー半導体装置。
- 前記パワー半導体装置(1)が、金属製の本体(63)と圧力生成手段(62)とを有し、前記基板(2)が前記本体(63)上に配置され、前記圧力生成手段(62)が前記コンデンサ固定機構(6)に対し圧力を前記基板(2)の方向に作用させ、これによって前記コンデンサ固定機構(6)が、前記少なくとも1つの第1の変形要素(12)を介して、前記直流電圧母線構造部(4)を前記基板(2)の方向へ押すことを特徴とする、請求項1から11までのいずれか一つに記載のパワー半導体装置。
- 前記圧力生成手段(62)が少なくとも1つのねじとして形成されていることを特徴とする、請求項12に記載のパワー半導体装置。
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DE102017115883B4 (de) * | 2017-07-14 | 2020-04-02 | Semikron Elektronik Gmbh & Co. Kg | Leistungselektronisches Submodul mit Gleich- und Wechselspannungsanschlusselementen und Anordnung hiermit |
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DE102019100595B4 (de) | 2019-01-11 | 2022-05-19 | Semikron Elektronik Gmbh & Co. Kg | Elektroeinrichtung mit einer Verschienung und mit einem Kondensator |
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