JP2019021871A5 - - Google Patents
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- Publication number
- JP2019021871A5 JP2019021871A5 JP2017141943A JP2017141943A JP2019021871A5 JP 2019021871 A5 JP2019021871 A5 JP 2019021871A5 JP 2017141943 A JP2017141943 A JP 2017141943A JP 2017141943 A JP2017141943 A JP 2017141943A JP 2019021871 A5 JP2019021871 A5 JP 2019021871A5
- Authority
- JP
- Japan
- Prior art keywords
- trench
- gate
- region
- layer
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010410 layer Substances 0.000 claims description 61
- 239000004065 semiconductor Substances 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 239000012535 impurity Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005468 ion implantation Methods 0.000 claims 1
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017141943A JP6866792B2 (ja) | 2017-07-21 | 2017-07-21 | 半導体装置およびその製造方法 |
| PCT/JP2018/027161 WO2019017447A1 (ja) | 2017-07-21 | 2018-07-19 | 半導体装置およびその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017141943A JP6866792B2 (ja) | 2017-07-21 | 2017-07-21 | 半導体装置およびその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019021871A JP2019021871A (ja) | 2019-02-07 |
| JP2019021871A5 true JP2019021871A5 (enExample) | 2019-10-31 |
| JP6866792B2 JP6866792B2 (ja) | 2021-04-28 |
Family
ID=65015516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017141943A Active JP6866792B2 (ja) | 2017-07-21 | 2017-07-21 | 半導体装置およびその製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6866792B2 (enExample) |
| WO (1) | WO2019017447A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11848378B2 (en) * | 2020-08-13 | 2023-12-19 | Stmicroelectronics Pte Ltd | Split-gate trench power MOSFET with self-aligned poly-to-poly isolation |
| JP7319754B2 (ja) * | 2020-08-19 | 2023-08-02 | 株式会社東芝 | 半導体装置 |
| JP7392612B2 (ja) * | 2020-08-26 | 2023-12-06 | 株式会社デンソー | 半導体装置 |
| JP7392613B2 (ja) * | 2020-08-26 | 2023-12-06 | 株式会社デンソー | 半導体装置 |
| JPWO2022201893A1 (enExample) * | 2021-03-26 | 2022-09-29 | ||
| KR102564714B1 (ko) * | 2021-12-16 | 2023-08-09 | 파워큐브세미 (주) | P 베이스에 전기적으로 연결된 쉴드를 갖는 트렌치 게이트 모스펫 및 그 제조 방법 |
| CN118077058B (zh) * | 2022-09-23 | 2025-11-21 | 华为数字能源技术有限公司 | 半导体器件、制备方法、功率转换电路及车辆 |
| EP4407691A4 (en) * | 2022-09-23 | 2025-08-13 | Huawei Digital Power Tech Co Ltd | SEMICONDUCTOR DEVICE, PREPARATION METHOD, POWER CONVERSION CIRCUIT, AND VEHICLE |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2894820B2 (ja) * | 1990-10-25 | 1999-05-24 | 株式会社東芝 | 半導体装置 |
| KR100334445B1 (ko) * | 1997-08-29 | 2002-05-04 | 다니구찌 이찌로오, 기타오카 다카시 | 절연 게이트형 반도체장치와 그 제조방법 |
| US8552535B2 (en) * | 2008-11-14 | 2013-10-08 | Semiconductor Components Industries, Llc | Trench shielding structure for semiconductor device and method |
| US8174067B2 (en) * | 2008-12-08 | 2012-05-08 | Fairchild Semiconductor Corporation | Trench-based power semiconductor devices with increased breakdown voltage characteristics |
| JP5449094B2 (ja) * | 2010-09-07 | 2014-03-19 | 株式会社東芝 | 半導体装置 |
| JP5720582B2 (ja) * | 2012-01-12 | 2015-05-20 | トヨタ自動車株式会社 | スイッチング素子 |
| JP2017017078A (ja) * | 2015-06-29 | 2017-01-19 | 株式会社東芝 | 半導体装置 |
-
2017
- 2017-07-21 JP JP2017141943A patent/JP6866792B2/ja active Active
-
2018
- 2018-07-19 WO PCT/JP2018/027161 patent/WO2019017447A1/ja not_active Ceased
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