JP6624300B2 - 半導体装置 - Google Patents
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Description
[先行技術文献]
[特許文献]
[特許文献1] 特開2015−135954号公報
[特許文献2] 特開平09−270512号公報
Claims (12)
- 半導体基板の周辺部に設けられたエッジ終端部と、
前記エッジ終端部に囲まれた活性部と
を備え、
前記活性部は、
予め定められた配列方向に沿って配列された複数のゲートトレンチ部と、
前記複数のゲートトレンチ部のうち最も前記エッジ終端部に近いゲートトレンチ部と前記エッジ終端部との間に設けられた複数のダミートレンチ部と、
前記複数のダミートレンチ部の各々の間に位置するメサ領域と、
前記メサ領域の少なくとも一部に設けられた第1導電型の蓄積領域と
を有し、
前記活性部は、前記複数のダミートレンチ部におけるダミートレンチ部と前記複数のゲートトレンチ部におけるゲートトレンチ部とが前記配列方向において交互に設けられた混合トレンチ領域を有し、
前記混合トレンチ領域は、前記半導体基板のおもて面から裏面に向かう深さ方向において順番に、第2導電型のベース領域と、前記蓄積領域と、第1導電型のドリフト領域とを有し、
前記深さ方向において、前記蓄積領域は前記ドリフト領域に接する半導体装置。 - 前記活性部は、前記複数のダミートレンチ部間の前記メサ領域のおもて面に第2導電型のコンタクト領域をさらに有する
請求項1に記載の半導体装置。 - 前記活性部は、前記複数のダミートレンチ部間の前記メサ領域のうち少なくとも一つの前記メサ領域には前記蓄積領域を有しない
請求項1または2に記載の半導体装置。 - 前記活性部は、前記複数のダミートレンチ部のうち2つ以上のダミートレンチ部の底部を覆う、第2導電型のウェル領域をさらに有する
請求項1から3のいずれか一項に記載の半導体装置。 - 前記活性部は、前記ウェル領域と前記蓄積領域を含む前記メサ領域との間には、前記蓄積領域を含まない前記メサ領域を有する
請求項4に記載の半導体装置。 - 前記ドリフト領域は、前記蓄積領域より低濃度の第1導電型である、
請求項4または5に記載の半導体装置。 - 前記活性部は、
前記ドリフト領域よりも下方に位置する第2導電型のコレクタ領域と、
前記複数のダミートレンチ部の直下における前記ドリフト領域よりも下方に位置し、前記ドリフト領域よりも高濃度の第1導電型の逆型半導体領域と
をさらに有する
請求項4から6のいずれか一項に記載の半導体装置。 - 前記逆型半導体領域は、前記配列方向において、前記ウェル領域の内側端部から前記蓄積領域が設けられる前記メサ領域の外側端部まで設けられる
請求項7に記載の半導体装置。 - 前記逆型半導体領域は、前記配列方向において、前記ウェル領域の外側端部から前記蓄積領域が設けられる前記メサ領域の外側端部まで設けられる
請求項7に記載の半導体装置。 - 前記逆型半導体領域は、前記配列方向において、前記エッジ終端部に設けられたガードリングの底部から前記ウェル領域の外側端部を経て前記蓄積領域が設けられる前記メサ領域の外側端部まで設けられる
請求項9に記載の半導体装置。 - 前記活性部は、前記複数のダミートレンチ部間の全ての前記メサ領域に前記蓄積領域を有する
請求項1または2に記載の半導体装置。 - 前記蓄積領域は、前記複数のダミートレンチ部のうち前記エッジ終端部に最も近いダミートレンチ部よりも外側に位置する最外部を含む
請求項11に記載の半導体装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016203939 | 2016-10-17 | ||
| JP2016203939 | 2016-10-17 | ||
| PCT/JP2017/037398 WO2018074425A1 (ja) | 2016-10-17 | 2017-10-16 | 半導体装置 |
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| Publication Number | Publication Date |
|---|---|
| JPWO2018074425A1 JPWO2018074425A1 (ja) | 2019-02-21 |
| JP6624300B2 true JP6624300B2 (ja) | 2019-12-25 |
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| JP2018546329A Active JP6624300B2 (ja) | 2016-10-17 | 2017-10-16 | 半導体装置 |
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| Country | Link |
|---|---|
| US (1) | US10714603B2 (ja) |
| JP (1) | JP6624300B2 (ja) |
| CN (1) | CN109075192B (ja) |
| WO (1) | WO2018074425A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6854654B2 (ja) | 2017-01-26 | 2021-04-07 | ローム株式会社 | 半導体装置 |
| JP6804379B2 (ja) * | 2017-04-24 | 2020-12-23 | 三菱電機株式会社 | 半導体装置 |
| WO2019097836A1 (ja) * | 2017-11-16 | 2019-05-23 | 富士電機株式会社 | 半導体装置 |
| JP6969662B2 (ja) * | 2018-02-14 | 2021-11-24 | 富士電機株式会社 | 半導体装置 |
| JP7102808B2 (ja) | 2018-03-15 | 2022-07-20 | 富士電機株式会社 | 半導体装置 |
| JP7187787B2 (ja) | 2018-03-15 | 2022-12-13 | 富士電機株式会社 | 半導体装置 |
| DE112019002203B4 (de) | 2018-04-27 | 2025-12-31 | Mitsubishi Electric Corporation | Halbleitereinheit und leistungswandler |
| US11728333B2 (en) * | 2018-05-30 | 2023-08-15 | Rohm Co., Ltd. | Semiconductor device |
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| JP7118033B2 (ja) * | 2019-06-07 | 2022-08-15 | 三菱電機株式会社 | 半導体装置 |
| JP7171527B2 (ja) * | 2019-09-13 | 2022-11-15 | 株式会社 日立パワーデバイス | 半導体装置および電力変換装置 |
| CN119050153A (zh) * | 2020-09-17 | 2024-11-29 | 罗姆股份有限公司 | 半导体装置 |
| JP7475251B2 (ja) * | 2020-10-01 | 2024-04-26 | 三菱電機株式会社 | 半導体装置 |
| US12327802B2 (en) * | 2021-07-07 | 2025-06-10 | Win Semiconductors Corp. | Semiconductor structure for die crack detection |
| JP7540600B2 (ja) * | 2021-07-20 | 2024-08-27 | 株式会社デンソー | 半導体装置 |
| EP4131422A1 (en) * | 2021-08-03 | 2023-02-08 | Infineon Technologies Austria AG | Semiconductor device |
| JP7834977B2 (ja) * | 2021-09-15 | 2026-03-25 | 富士電機株式会社 | 半導体装置および製造方法 |
| JP7685925B2 (ja) * | 2021-10-12 | 2025-05-30 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
| CN117616584A (zh) * | 2022-01-20 | 2024-02-27 | 富士电机株式会社 | 半导体装置 |
| WO2025170006A1 (ja) * | 2024-02-09 | 2025-08-14 | 富士電機株式会社 | 半導体装置 |
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| JP6135636B2 (ja) * | 2014-10-17 | 2017-05-31 | トヨタ自動車株式会社 | 半導体装置 |
| JP6515484B2 (ja) * | 2014-10-21 | 2019-05-22 | 株式会社デンソー | 半導体装置 |
| JP6003961B2 (ja) * | 2014-11-04 | 2016-10-05 | トヨタ自動車株式会社 | 半導体装置 |
| JP6164201B2 (ja) * | 2014-11-17 | 2017-07-19 | トヨタ自動車株式会社 | 半導体装置 |
| KR101745776B1 (ko) * | 2015-05-12 | 2017-06-28 | 매그나칩 반도체 유한회사 | 전력용 반도체 소자 |
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2017
- 2017-10-16 JP JP2018546329A patent/JP6624300B2/ja active Active
- 2017-10-16 WO PCT/JP2017/037398 patent/WO2018074425A1/ja not_active Ceased
- 2017-10-16 CN CN201780020958.9A patent/CN109075192B/zh active Active
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2018
- 2018-09-20 US US16/136,287 patent/US10714603B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109075192B (zh) | 2021-10-26 |
| WO2018074425A1 (ja) | 2018-04-26 |
| CN109075192A (zh) | 2018-12-21 |
| JPWO2018074425A1 (ja) | 2019-02-21 |
| US10714603B2 (en) | 2020-07-14 |
| US20190019885A1 (en) | 2019-01-17 |
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