JP6948855B2 - パワー半導体装置及びそれを用いた電力変換装置 - Google Patents
パワー半導体装置及びそれを用いた電力変換装置 Download PDFInfo
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- 238000006243 chemical reaction Methods 0.000 title description 9
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- 229910052782 aluminium Inorganic materials 0.000 description 6
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- 230000000694 effects Effects 0.000 description 4
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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Description
不図示のAlワイヤを導体部813とパワー半導体素子804に接続する。
図8は、図6(c)工程に対応するパワー半導体装置300の製造工程途中の斜視図である。
Claims (5)
- 半導体素子と導体部を含んで構成される回路体と、
前記回路体を挟んで互いに対向される第1絶縁部材と第2絶縁部材と、
前記回路体と前記第1絶縁部材と前記第2絶縁部材を挟んで互いに対向される第1ベースと第2ベースと、
前記第1ベースにより覆われる第1開口部及び前記第2ベースにより覆われる第2開口部が形成されるケースと、
前記第1ベースと前記第2ベースとの間の空間に設けられかつ前記第1絶縁部材または前記第2絶縁部材を介して当該双方のベースに接触することにより当該第1ベースと当該第2ベースとの間の距離を規制する距離規制部と、
を備え、
前記距離規制部が設けられている領域における前記第1ベースと前記第2ベースの間の距離は、前記第1ベースと前記第1開口部との接続部から前記第2ベースと前記第2開口部との接続部までの距離よりも大きくなるパワー半導体装置。 - 請求項1に記載のパワー半導体装置であって、
前記第1絶縁部材と前記第2絶縁部材は、セラミック基板であり、
前記距離規制部は、前記セラミック基板から突出するパワー半導体装置。 - 半導体素子と導体部を含んで構成される回路体と、
前記回路体を挟んで互いに対向される第1絶縁部材と第2絶縁部材と、
前記回路体と前記第1絶縁部材と前記第2絶縁部材を挟んで互いに対向される第1ベースと第2ベースと、
前記第1ベースにより覆われる第1開口部及び前記第2ベースにより覆われる第2開口部が形成されるケースと、
前記第1ベースと前記第2ベースとの間の空間に設けられかつ当該双方のベースに接触することにより当該第1ベースと当該第2ベースとの間の距離を規制する距離規制部と、
を備え、
前記距離規制部は、前記第1ベースに形成されかつ前記第2ベースに向かって突出する第1突出部と、前記第2ベースに形成されかつ前記第1ベースに向かって突出する第2突出部と、により構成され、
前記第1突出部は、前記第2突出部と接触することにより前記第1ベースと前記第2ベースとの間の距離を規制し、
前記距離規制部が設けられている領域における前記第1ベースと前記第2ベースの間の距離は、前記第1ベースと前記第1開口部との接続部から前記第2ベースと前記第2開口部との接続部までの距離よりも大きくなるパワー半導体装置。 - 請求項1または3に記載のパワー半導体装置であって、
前記第1ベース又は前記第2ベースは、前記ケースが配置された側に向かって変形される屈曲部を有しかつ当該ケースに接続されるパワー半導体装置。 - 請求項1ないし3に記載のいずれかのパワー半導体装置であって、
前記第1ベース又は前記第2ベースは、当該第1ベース又は当該第2ベースと前記ケースとの間の空間に樹脂封止材を埋めるパワー半導体装置。
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