JP2006032617A - 半導体パワーモジュール - Google Patents
半導体パワーモジュール Download PDFInfo
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- JP2006032617A JP2006032617A JP2004208703A JP2004208703A JP2006032617A JP 2006032617 A JP2006032617 A JP 2006032617A JP 2004208703 A JP2004208703 A JP 2004208703A JP 2004208703 A JP2004208703 A JP 2004208703A JP 2006032617 A JP2006032617 A JP 2006032617A
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- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
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Abstract
【解決手段】 セラミック絶縁基板102に高純度溶融アルミの放熱基板4、高純度溶融アルミの導電部6,15を直接接合した絶縁基板を使用し、予め耐熱性、耐湿性に優れるポリイミド系被覆樹脂9を薄く塗布し硬化させ、その上に、低ヤング率で、はんだ3の線膨張係数に合わせたエポキシ系の封止樹脂10を充填することで、単一層のはんだ工程などにより大幅にコストを低減しつつ、高信頼性、小型・軽量化パワーモジュールを実現する。
【選択図】 図1
Description
また、2つの異なった機能を有する樹脂の組合せにより、大型チップ、厳しいパワーサイクル、温度サイクル試験に対してもより耐えられる構造となり、はんだの熱疲労寿命と耐湿性を同時に向上させる。これに伴ない、モジュールの反りを抑え、かつ素子部の保護を兼ねた長寿命の半導体パワーモジュールを提供することができる。
Claims (20)
- 絶縁基板と、この絶縁基板上にはんだを介して固着された半導体チップと、この半導体チップ表面に接続されたワイヤと、前記半導体チップと前記ワイヤを含む収納部品の表面を覆う比較的軟らかい被覆樹脂と、これらの部品を収納するケースと、前記被覆樹脂の上に、前記被覆樹脂よりも硬い封止樹脂を充填した半導体パワーモジュールにおいて、
前記絶縁基板を、セラミック絶縁基板に直接アルミを接合した複合基板で形成し、
前記被覆樹脂を、ポリイミド系又はポリアミドイミド系の樹脂で形成し、
前記封止樹脂を、線膨張係数が14〜24×10−6/℃、室温(15〜20℃)におけるヤング率が3〜20GPaのエポキシ系樹脂で形成したことを特徴とする半導体パワーモジュール。 - 請求項1において、前記被覆樹脂は、前記ケースに収納された前記収納部品全体の表面に、ポリイミド系又はポリアミドイミド系の樹脂を散布又は塗布し、その後、硬化させたことを特徴とする半導体パワーモジュール。
- 請求項1において、前記被覆樹脂は、前記収納部品の表面の実質的全域を、50μm以下の厚さで覆うポリイミド系又はポリアミドイミド系の樹脂で形成したことを特徴とする半導体パワーモジュール。
- 請求項1において、前記被覆樹脂を、線膨張係数が60×10−6/℃以下で、室温(15〜20℃)におけるヤング率が3GPa以下のポリイミド系又はポリアミドイミド系の樹脂で形成したことを特徴とする半導体パワーモジュール。
- 請求項1において、前記封止樹脂は、その中にシリコーン系ゲルの可撓化剤を、10±5mass%分散されたエポキシ系樹脂であることを特徴とする半導体パワーモジュール。
- 請求項1において、前記封止樹脂を、ガラス転移温度(Tg)が150℃以上のエポキシ系樹脂としたことを特徴とする半導体パワーモジュール。
- 請求項1において、前記半導体チップの表面に接続されたワイヤは、テープ又はリードフレームであることを特徴とする半導体パワーモジュール。
- 請求項1において、前記絶縁基板の他面に固着されたベース基板と、前記絶縁基板の外側で前記ベース基板に形成した溝を備えたことを特徴とする半導体パワーモジュール。
- 請求項1において、前記絶縁基板の一面に形成した電子部品搭載のための導電部と、この導電部に前記半導体チップを固着するはんだと、前記半導体チップの外側で前記導電部に形成した溝を備えたことを特徴とする半導体パワーモジュール。
- 絶縁基板と、この絶縁基板上にはんだを介して固着された半導体チップと、この半導体チップ表面に接続されたワイヤと、これらの部品を収納するケースと、このケース内で前記半導体チップと前記ワイヤを含む収納部品の表面を覆う比較的軟らかい被覆樹脂と、この被覆樹脂の上に、この被覆樹脂よりも硬い封止樹脂を充填した半導体パワーモジュールにおいて、
前記絶縁基板を、セラミック絶縁基板に直接アルミを接合した複合基板で形成し、
前記被覆樹脂は、前記収納部品の表面の実質的全域を、50μm以下の厚さで覆うポリイミド系又はポリアミドイミド系の樹脂で形成され、
前記封止樹脂を、線膨張係数が14〜24×10−6/℃のエポキシ系樹脂で形成したことを特徴とする半導体パワーモジュール。 - 請求項10において、前記被覆樹脂は、前記ケースに収納された前記収納部品全体の表面に、ポリイミド系又はポリアミドイミド系の樹脂を散布又は塗布し、その後、硬化させたことを特徴とする半導体パワーモジュール。
- 請求項10において、前記被覆樹脂を、線膨張係数が60×10−6/℃以下で、室温(15〜20℃)におけるヤング率が3GPa以下のポリイミド系又はポリアミドイミド系の樹脂で形成したことを特徴とする半導体パワーモジュール。
- 請求項10において、前記封止樹脂を、室温(15〜20℃)におけるヤング率が3〜20GPaのエポキシ系樹脂で形成したことを特徴とする半導体パワーモジュール。
- 請求項10において、前記封止樹脂は、その中にシリコーン系ゲルの可撓化剤を、10±5mass%分散されたエポキシ系樹脂であることを特徴とする半導体パワーモジュール。
- 請求項10において、前記封止樹脂を、ガラス転移温度(Tg)が150℃以上のエポキシ系樹脂としたことを特徴とする半導体パワーモジュール。
- 請求項10において、前記半導体チップの表面に接続されたワイヤは、テープ又はリードフレームであることを特徴とする半導体パワーモジュール。
- 絶縁基板と、この絶縁基板上にはんだを介して固着された半導体チップと、この半導体チップ表面に接続されたワイヤと、これらの部品を収納するケースと、このケース内で前記半導体チップと前記ワイヤを含む収納部品の表面を覆う比較的軟らかい被覆樹脂と、この被覆樹脂の上に、この被覆樹脂よりも硬い封止樹脂を充填した半導体パワーモジュールにおいて、
前記絶縁基板は、セラミック絶縁基板に直接アルミを接合した複合基板で形成され、
前記被覆樹脂は、前記収納部品の表面の実質的全域を、50μm以下の厚さで覆うポリイミド系又はポリアミドイミド系の樹脂で形成され、
前記封止樹脂は、線膨張係数が14〜24×10−6/℃、室温(15〜20℃)におけるヤング率が3〜20GPaのエポキシ系樹脂で形成されたことを特徴とする半導体パワーモジュール。 - 請求項17において、前記被覆樹脂は、前記ケースに収納された前記収納部品全体の表面に、ポリイミド系又はポリアミドイミド系の樹脂を散布又は塗布し、その後、硬化させたことを特徴とする半導体パワーモジュール。
- 請求項17において、前記絶縁基板の他面に固着されたベース基板と、前記絶縁基板の外側で前記ベース基板に形成した溝を備えたことを特徴とする半導体パワーモジュール。
- 請求項17において、前記絶縁基板の一面に形成した電子部品搭載のための導電部と、この導電部に前記半導体チップを固着するはんだと、前記半導体チップの外側で前記導電部に形成した溝を備えたことを特徴とする半導体パワーモジュール。
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US11551987B2 (en) | 2018-03-29 | 2023-01-10 | Shin-Etsu Chemical Co., Ltd. | Power module comprising a primer layer |
WO2019189543A1 (ja) * | 2018-03-29 | 2019-10-03 | 信越化学工業株式会社 | パワーモジュール |
KR20200139194A (ko) * | 2018-03-29 | 2020-12-11 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 파워 모듈 |
CN111919291A (zh) * | 2018-03-29 | 2020-11-10 | 信越化学工业株式会社 | 功率模块 |
KR102615879B1 (ko) * | 2018-03-29 | 2023-12-21 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 파워 모듈 |
CN111919291B (zh) * | 2018-03-29 | 2024-05-17 | 信越化学工业株式会社 | 功率模块 |
JP2021150458A (ja) * | 2020-03-18 | 2021-09-27 | 富士電機株式会社 | 半導体装置 |
US11462450B2 (en) | 2020-03-18 | 2022-10-04 | Fuji Electric Co., Ltd. | Semiconductor device |
JP7454129B2 (ja) | 2020-03-18 | 2024-03-22 | 富士電機株式会社 | 半導体装置 |
EP4283670A3 (en) * | 2022-05-04 | 2024-01-17 | Semiconductor Components Industries, LLC | Molded power modules |
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