JP6299441B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP6299441B2 JP6299441B2 JP2014114204A JP2014114204A JP6299441B2 JP 6299441 B2 JP6299441 B2 JP 6299441B2 JP 2014114204 A JP2014114204 A JP 2014114204A JP 2014114204 A JP2014114204 A JP 2014114204A JP 6299441 B2 JP6299441 B2 JP 6299441B2
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- Prior art keywords
- semiconductor chip
- metal member
- terminal
- shortest distance
- semiconductor device
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims description 131
- 229910052751 metal Inorganic materials 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 35
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 9
- 238000005452 bending Methods 0.000 description 32
- 230000008646 thermal stress Effects 0.000 description 19
- 230000035882 stress Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013001 point bending Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Description
先ず、図1に基づき、半導体装置が適用される電力変換装置の一例について説明する。
本実施形態において、第1実施形態に示した半導体装置10と共通する部分についての説明は割愛する。
本実施形態において、第1実施形態に示した半導体装置10と共通する部分についての説明は割愛する。
本実施形態において、第1実施形態に示した半導体装置10と共通する部分についての説明は割愛する。
Claims (6)
- シリコンカーバイドを用いて形成され、一面及び該一面と反対の裏面に電極を有する半導体チップと、
接合部材を介して前記電極に接続される金属部材としての、前記一面側に配置され、前記一面側の電極に接続される第1金属部材、及び、前記裏面側に配置され、前記裏面側の電極に接続される第2金属部材と、
を備える半導体装置であって、
前記一面に直交する前記半導体チップの厚み方向が、<0001>方向とされ、
前記半導体チップと前記金属部材の少なくとも一方とにおいて、<0001>方向に直交する<1−100>方向における端部間の第1最短距離(L1)が、<0001>方向及び<1−100>方向に直交する<11−20>方向における端部間の第2最短距離(L2)よりも短くされていることを特徴とする半導体装置。 - 前記一面及び前記裏面の少なくとも一方の面の表面平均粗さRaが1nm以上とされ、
前記表面平均粗さRaが1nm以上とされた面の反対側に位置する前記金属部材において、前記最短距離の関係を満たすことを特徴とする請求項1に記載の半導体装置。 - 前記第1最短距離が、前記第2最短距離の1/4以下とされていることを特徴とする請求項2に記載の半導体装置。
- 前記厚み方向に直交する平面形状が、
前記半導体チップは、正方形とされ、
前記金属部材の少なくとも一方は、<1−100>方向の長さが<11−20>方向の長さよりも長い矩形状とされていることを特徴とする請求項1〜3いずれか1項に記載の半導体装置。 - 前記厚み方向に直交する平面形状が、
前記金属部材の少なくとも一方は、正方形とされ、
前記半導体チップは、<1−100>方向の長さが<11−20>方向の長さよりも短い矩形状とされていることを特徴とする請求項1〜3いずれか1項に記載の半導体装置。 - 接合部材を介して前記第1金属部材における前記半導体チップと反対の面に接続される第3金属部材と、
前記第3金属部材における前記第1金属部材と反対の放熱面、及び、前記第2金属部材における前記半導体チップと反対の放熱面がそれぞれ露出されるように、前記半導体チップ、前記第1金属部材、前記第2金属部材、及び前記第3金属部材を一体的に封止する封止樹脂体と、
をさらに備え、
前記第1金属部材が、前記最短距離の関係を満たしていることを特徴とする請求項1〜5いずれか1項に記載の半導体装置。
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JP2014114204A JP6299441B2 (ja) | 2014-06-02 | 2014-06-02 | 半導体装置 |
US15/308,627 US10008433B2 (en) | 2014-06-02 | 2015-05-21 | Semiconductor device |
PCT/JP2015/002569 WO2015186305A1 (ja) | 2014-06-02 | 2015-05-21 | 半導体装置 |
CN201580029109.0A CN106463491B (zh) | 2014-06-02 | 2015-05-21 | 半导体装置 |
DE112015002596.0T DE112015002596B4 (de) | 2014-06-02 | 2015-05-21 | Halbleitervorrichtung |
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