JP5900620B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP5900620B2 JP5900620B2 JP2014523501A JP2014523501A JP5900620B2 JP 5900620 B2 JP5900620 B2 JP 5900620B2 JP 2014523501 A JP2014523501 A JP 2014523501A JP 2014523501 A JP2014523501 A JP 2014523501A JP 5900620 B2 JP5900620 B2 JP 5900620B2
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- 239000004065 semiconductor Substances 0.000 title claims description 36
- 239000000758 substrate Substances 0.000 claims description 54
- 239000011347 resin Substances 0.000 claims description 47
- 229920005989 resin Polymers 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 27
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 description 30
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Description
図1は、本発明の実施の形態1に係る半導体装置を示す断面図である。図2は、図1の装置のセラミック基板上の構造を示す平面図である。セラミック基板1は互いに対向する上面及び下面を持つ。回路パターン2がセラミック基板1の上面に接合されている。金属製の冷却体3がセラミック基板1の下面に接合されている。
図4は、本発明の実施の形態2に係る半導体装置のセラミック基板上の構造を示す平面図である。コーティング膜16は、回路パターン2の上面においてIGBT4とFWD5が実装される領域の周囲を囲っている。これにより、コーティング膜16はIGBT4とFWD5の半田付け時の位置決めのためのレジストの役割を持つ。このため、コーティング膜16とは別個にレジストを形成する必要がないため、製造工程を削減することができる。
図5は、本発明の実施の形態3に係る半導体装置を示す断面図である。図6は、図5の装置のセラミック基板を示す平面図である。絶縁基板19は、IGBT4とFWD5の直下及びその周辺領域に配置された絶縁板20と、モールド樹脂17と絶縁板20の間に配置された絶縁樹脂21とを有する。厳密に言うと、絶縁板20は、IGBT4とFWD5の実装位置から45度角で広がる熱伝導範囲に配置されている。
2 回路パターン
3 冷却体
4 IGBT(半導体素子)
5 FWD(半導体素子)
6 コレクタ電極(下面電極)
7 カソード電極(下面電極)
8 半田
16 コーティング膜
17 モールド樹脂
18 溝
20 絶縁板(第1の部分)
21 絶縁樹脂(第2の部分)
Claims (4)
- 互いに対向する第1及び第2の主面を持つ絶縁基板と、
前記絶縁基板の前記第1の主面に接合された回路パターンと、
前記絶縁基板の前記第2の主面に接合された冷却体と、
前記回路パターン上に実装された半導体素子と、
前記絶縁基板と前記回路パターンの接合部、及び前記絶縁基板と前記冷却体の接合部を覆うコーティング膜と、
前記絶縁基板、前記回路パターン、前記半導体素子、前記冷却体、及び前記コーティング膜を封止する樹脂とを備え、
前記絶縁基板は前記コーティング膜より熱伝導率が高く、
前記コーティング膜は、前記樹脂よりも硬度が低く、前記樹脂から前記絶縁基板にかかる応力を緩和し、
前記回路パターンと前記冷却体の少なくとも一方は、前記コーティング膜で覆われず前記樹脂に接する溝又は突起を有することを特徴とする半導体装置。 - 前記半導体素子の下面電極は前記回路パターンの上面に半田により接合され、
前記コーティング膜は、前記回路パターンの前記上面において前記半導体素子が実装される領域の周囲を囲うことを特徴とする請求項1に記載の半導体装置。 - 互いに対向する第1及び第2の主面を持つ絶縁基板と、
前記絶縁基板の前記第1の主面に接合された回路パターンと、
前記絶縁基板の前記第2の主面に接合された冷却体と、
前記回路パターン上に実装された半導体素子と、
前記絶縁基板、前記回路パターン、前記半導体素子、及び前記冷却体を封止する樹脂とを備え、
前記回路パターンと前記冷却体の少なくとも一方は、前記樹脂に接する溝又は突起を有し、
前記絶縁基板は、前記半導体素子の直下及びその周辺領域に配置された絶縁板と、前記絶縁板の平面内において前記樹脂と前記絶縁板の間に配置され前記絶縁板と同じ厚みを持つ絶縁樹脂とを有し、
前記絶縁板は前記絶縁樹脂より熱伝導率が高く、
前記絶縁樹脂は、前記樹脂よりも硬度が低く、前記樹脂から前記絶縁板にかかる応力を緩和することを特徴とする半導体装置。 - 前記冷却体の横幅は前記絶縁基板の横幅以上であることを特徴とする請求項1〜3の何れか1項に記載の半導体装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2012/067219 WO2014006724A1 (ja) | 2012-07-05 | 2012-07-05 | 半導体装置 |
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JP5900620B2 true JP5900620B2 (ja) | 2016-04-06 |
JPWO2014006724A1 JPWO2014006724A1 (ja) | 2016-06-02 |
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US (1) | US9418910B2 (ja) |
JP (1) | JP5900620B2 (ja) |
CN (1) | CN104412382B (ja) |
DE (1) | DE112012006656B4 (ja) |
WO (1) | WO2014006724A1 (ja) |
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JP6210818B2 (ja) * | 2013-09-30 | 2017-10-11 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
CN105900234B (zh) | 2014-01-10 | 2018-09-28 | 三菱电机株式会社 | 电力半导体装置 |
JP2015220429A (ja) * | 2014-05-21 | 2015-12-07 | ローム株式会社 | 半導体装置 |
JP6405810B2 (ja) * | 2014-09-08 | 2018-10-17 | 日本電気株式会社 | モジュール部品製造方法 |
CN109075132B (zh) * | 2016-04-26 | 2022-03-08 | 京瓷株式会社 | 功率模块用基板、功率模块及功率模块用基板的制造方法 |
WO2018078705A1 (ja) * | 2016-10-24 | 2018-05-03 | 三菱電機株式会社 | 半導体装置及びその製造方法 |
JP6829809B2 (ja) * | 2016-12-16 | 2021-02-17 | 富士電機株式会社 | 半導体装置 |
CN110268519A (zh) | 2017-02-03 | 2019-09-20 | Abb瑞士股份有限公司 | 功率半导体模块 |
JP6790226B2 (ja) * | 2017-03-03 | 2020-11-25 | 三菱電機株式会社 | 半導体装置 |
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WO2014006724A1 (ja) | 2014-01-09 |
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US20150035138A1 (en) | 2015-02-05 |
DE112012006656B4 (de) | 2021-08-05 |
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JPWO2014006724A1 (ja) | 2016-06-02 |
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