JP6335331B2 - 半導体装置およびそれを用いた電力変換装置 - Google Patents
半導体装置およびそれを用いた電力変換装置 Download PDFInfo
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- JP6335331B2 JP6335331B2 JP2016565633A JP2016565633A JP6335331B2 JP 6335331 B2 JP6335331 B2 JP 6335331B2 JP 2016565633 A JP2016565633 A JP 2016565633A JP 2016565633 A JP2016565633 A JP 2016565633A JP 6335331 B2 JP6335331 B2 JP 6335331B2
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- H01L2924/1025—Semiconducting materials
- H01L2924/1026—Compound semiconductors
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- H01L2924/10272—Silicon Carbide [SiC]
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- H01L2924/1304—Transistor
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- H01L2924/13055—Insulated gate bipolar transistor [IGBT]
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- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
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- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- Chemical & Material Sciences (AREA)
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Description
101…フリーホイールダイオード、
102、502…スイッチング素子、
103…下段樹脂層、
104…中段樹脂層、
105…上段樹脂層、
106…ボンディングワイヤ、
107、108…接合層、
109…セラミックス回路基板、
110、111…配線パターン、
112…セラミックス絶縁板、
113…金属パターン、
114…アノード電極、
115…補助電極、
116…カソード電極、
117…無機層、
118、119…外部出力端子、
120…モジュールケース、
121…放熱ベース、
201…無機層−下段樹脂層−中段樹脂層−上段樹脂層が積層される領域、
202、203…無機層−下段樹脂層−上段樹脂層が積層される領域、
204…無機層−中段樹脂層−上段樹脂層が積層される領域、
205…アノード電極−上段樹脂層が積層される領域、
206…ワイヤボンディング領域、
301…n領域、
302、303…n+領域、
304…半導体層、
305、306、307、308…電界緩和領域、
401…直流電源、
402…フリーホイールダイオード、
403…スイッチング素子、
404、405…直流端子、
406、407、408…交流端子、
409…モータ、601…ゲートパッド
Claims (15)
- 半導体素子と、
前記半導体素子の一方の面の主電極を囲う周辺部に第1の樹脂層と第2の樹脂層と第3の樹脂層とがこの順序で積層されて成る積層構造と
を備えた半導体装置であって、
前記積層構造は、前記半導体素子の中心部側に、前記第1の樹脂層が前記第2の樹脂層に接する第1の領域と、前記第1の樹脂層が前記第3の樹脂層に接する第2の領域とを有し、
前記第2の領域の少なくとも一部が、前記第1の領域よりも前記半導体素子の中心部側に配置され、
前記第1の樹脂層はホトリソグラフィによりパターンニングされており、
前記第1の領域よりも前記半導体素子の中心部側に配置される前記第2の領域を、実装工程における画像認識パターンとして用いることを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記第1の樹脂層が前記第2の樹脂層に接する領域と前記第1の樹脂層が前記第3の樹脂層に接する領域とが分離している
ことを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記第3の樹脂層の囲う領域の面積のうち、前記第1の樹脂層が前記第3の樹脂層に接する領域の面積の占める割合が1%以上50%以下である
ことを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記第1の樹脂層の下にSiO2から成る無機層を有し、前記第3の樹脂層はシリコーンゲルであり、
前記第1の樹脂層および前記第2の樹脂層の比誘電率はともに、前記無機層の比誘電率以下であり、かつ、前記第3の樹脂層の比誘電率以上である
ことを特徴とする半導体装置。 - 請求項4に記載の半導体装置において、
前記第1の樹脂層は、ポリイミド樹脂であり、前記第2の樹脂層は、ポリアミドイミド樹脂、ポリエーテルアミドイミド樹脂、ポリエーテルアミド樹脂から選ばれる一種あるいは複数種類で構成されている
ことを特徴とする半導体装置。 - 請求項1乃至5のいずれか1項に記載の半導体装置において、
前記半導体素子の母材とする半導体材料は、シリコンよりもバンドギャップが大きいことを特徴とする半導体装置。 - 請求項6に記載の半導体装置において、
前記半導体素子の母材とする半導体材料は、SiCである
ことを特徴とする半導体装置。 - 請求項1乃至5のいずれか1項に記載の半導体装置において、
前記半導体素子はダイオードである
ことを特徴とする半導体装置。 - 請求項8に記載の半導体装置において、
前記半導体素子の母材とする半導体材料は、シリコンよりもバンドギャップが大きいことを特徴とする半導体装置。 - 請求項9に記載の半導体装置において、
前記半導体素子の母材とする半導体材料は、SiCである
ことを特徴とする半導体装置。 - 請求項1乃至5のいずれか1項に記載の半導体装置において、
前記半導体素子はMOSFETである
ことを特徴とする半導体装置。 - 請求項11に記載の半導体装置において、
前記半導体素子の母材とする半導体材料は、シリコンよりもバンドギャップが大きいことを特徴とする半導体装置。 - 請求項12に記載の半導体装置において、
前記半導体素子の母材とする半導体材料は、SiCである
ことを特徴とする半導体装置。 - 一対の直流端子と、
交流の相数と同数の交流端子と、
前記直流端子と前記交流端子の間に接続される複数の半導体スイッチング素子と、
前記複数の半導体スイッチング素子に並列に接続される複数のダイオード素子と
を備える電力変換装置であって、
前記半導体スイッチング素子と前記ダイオード素子のいずれか一方もしくは両方の半導体装置が、請求項1乃至5のいずれか1項に記載の半導体装置である
ことを特徴とする電力変換装置。 - 一対の直流端子と、
交流の相数と同数の交流端子と、
前記直流端子と前記交流端子の間に接続される複数の半導体スイッチング素子と
を備える電力変換装置であって、
前記半導体スイッチング素子が、請求項11に記載の半導体装置であり、かつ、ボディダイオードを内蔵する
ことを特徴とする電力変換装置。
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DE112018007915T5 (de) * | 2018-08-17 | 2021-04-29 | Mitsubishi Electric Corporation | Halbleitereinheit und leistungswandler |
US11923716B2 (en) | 2019-09-13 | 2024-03-05 | Milwaukee Electric Tool Corporation | Power converters with wide bandgap semiconductors |
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US5719440A (en) * | 1995-12-19 | 1998-02-17 | Micron Technology, Inc. | Flip chip adaptor package for bare die |
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