JP4286321B2 - 完全空乏領域化ボディ領域を有するロングチャネルトレンチゲート型パワーmosfet - Google Patents
完全空乏領域化ボディ領域を有するロングチャネルトレンチゲート型パワーmosfet Download PDFInfo
- Publication number
- JP4286321B2 JP4286321B2 JP54252197A JP54252197A JP4286321B2 JP 4286321 B2 JP4286321 B2 JP 4286321B2 JP 54252197 A JP54252197 A JP 54252197A JP 54252197 A JP54252197 A JP 54252197A JP 4286321 B2 JP4286321 B2 JP 4286321B2
- Authority
- JP
- Japan
- Prior art keywords
- trench
- region
- gate
- source
- body region
- 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.)
- Expired - Fee Related
Links
- 210000000746 body region Anatomy 0.000 title claims description 44
- 239000000758 substrate Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000002301 combined effect Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 description 10
- 230000015556 catabolic process Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
- H10D30/668—Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/393—Body regions of DMOS transistors or IGBTs
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US651,232 | 1996-05-22 | ||
| US08/651,232 US5998834A (en) | 1996-05-22 | 1996-05-22 | Long channel trench-gated power MOSFET having fully depleted body region |
| PCT/US1997/008187 WO1997044828A1 (en) | 1996-05-22 | 1997-05-21 | Long channel trench-gated power mosfet having fully depleted body region |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008289444A Division JP4981013B2 (ja) | 1996-05-22 | 2008-11-12 | 完全空乏領域化ボディ領域を有するロングチャネルトレンチゲート型パワーmosfet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000511353A JP2000511353A (ja) | 2000-08-29 |
| JP4286321B2 true JP4286321B2 (ja) | 2009-06-24 |
Family
ID=24612075
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54252197A Expired - Fee Related JP4286321B2 (ja) | 1996-05-22 | 1997-05-21 | 完全空乏領域化ボディ領域を有するロングチャネルトレンチゲート型パワーmosfet |
| JP2008289444A Expired - Fee Related JP4981013B2 (ja) | 1996-05-22 | 2008-11-12 | 完全空乏領域化ボディ領域を有するロングチャネルトレンチゲート型パワーmosfet |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008289444A Expired - Fee Related JP4981013B2 (ja) | 1996-05-22 | 2008-11-12 | 完全空乏領域化ボディ領域を有するロングチャネルトレンチゲート型パワーmosfet |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5998834A (enExample) |
| EP (1) | EP0902980B1 (enExample) |
| JP (2) | JP4286321B2 (enExample) |
| KR (1) | KR100381845B1 (enExample) |
| AU (1) | AU3125797A (enExample) |
| DE (1) | DE69739058D1 (enExample) |
| WO (1) | WO1997044828A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009060136A (ja) * | 1996-05-22 | 2009-03-19 | Siliconix Inc | 完全空乏領域化ボディ領域を有するロングチャネルトレンチゲート型パワーmosfet |
| US7645711B2 (en) | 2005-01-24 | 2010-01-12 | Kabushiki Kaisha Toshiba | Semiconductor device fabrication method |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69941769D1 (en) * | 1998-02-02 | 2010-01-21 | Cree Inc | Sic transistor |
| US6104068A (en) * | 1998-09-01 | 2000-08-15 | Micron Technology, Inc. | Structure and method for improved signal processing |
| US6320222B1 (en) * | 1998-09-01 | 2001-11-20 | Micron Technology, Inc. | Structure and method for reducing threshold voltage variations due to dopant fluctuations |
| GB9820904D0 (en) * | 1998-09-26 | 1998-11-18 | Koninkl Philips Electronics Nv | Bi-directional semiconductor switch and switch circuit for battery-powered equipment |
| US6855983B1 (en) * | 1998-11-10 | 2005-02-15 | Toyota Jidosha Kabushiki Kaisha | Semiconductor device having reduced on resistance |
| JP3494063B2 (ja) * | 1999-02-24 | 2004-02-03 | トヨタ自動車株式会社 | 半導体装置 |
| US6777745B2 (en) * | 2001-06-14 | 2004-08-17 | General Semiconductor, Inc. | Symmetric trench MOSFET device and method of making same |
| US20060170053A1 (en) * | 2003-05-09 | 2006-08-03 | Yee-Chia Yeo | Accumulation mode multiple gate transistor |
| JP3744513B2 (ja) * | 2003-05-30 | 2006-02-15 | トヨタ自動車株式会社 | ダイオード |
| KR100616159B1 (ko) * | 2005-06-29 | 2006-08-28 | 주식회사 한국오도텍 | 비닐팩 방향제 및 그 제조방법 |
| US9054183B2 (en) * | 2012-07-13 | 2015-06-09 | United Silicon Carbide, Inc. | Trenched and implanted accumulation mode metal-oxide-semiconductor field-effect transistor |
| US9696736B2 (en) | 2013-03-15 | 2017-07-04 | Fairchild Semiconductor Corporation | Two-terminal current limiter and apparatus thereof |
| US9679890B2 (en) * | 2013-08-09 | 2017-06-13 | Fairchild Semiconductor Corporation | Junction-less insulated gate current limiter device |
| US9735147B2 (en) * | 2014-09-15 | 2017-08-15 | Fairchild Semiconductor Corporation | Fast and stable ultra low drop-out (LDO) voltage clamp device |
| JP6478316B2 (ja) | 2014-11-10 | 2019-03-06 | ローム株式会社 | トレンチゲート構造を備えた半導体装置およびその製造方法 |
| DE102014119395B4 (de) * | 2014-12-22 | 2022-10-06 | Infineon Technologies Ag | Transistorbauelement mit Feldelektrode |
| DE102018106670B4 (de) * | 2018-03-21 | 2025-02-06 | Infineon Technologies Ag | Siliziumcarbid-Halbleitervorrichtung mit Graben-Gatestruktur und einem Sourcegebiet in einem oberen Bereich eines Mesaabschnitts |
| US10510836B1 (en) * | 2018-08-08 | 2019-12-17 | Infineon Technologies Austria Ag | Gate trench device with oxygen inserted si-layers |
| JP7224823B2 (ja) * | 2018-09-19 | 2023-02-20 | キヤノン株式会社 | 光検出装置 |
| JP7063218B2 (ja) * | 2018-09-27 | 2022-05-09 | 株式会社デンソー | 炭化珪素半導体装置 |
| US11728422B2 (en) * | 2019-11-14 | 2023-08-15 | Stmicroelectronics S.R.L. | Power MOSFET device having improved safe-operating area and on resistance, manufacturing process thereof and operating method thereof |
| IT202000015076A1 (it) | 2020-06-23 | 2021-12-23 | St Microelectronics Srl | Dispositivo elettronico in 4h-sic con prestazioni di corto circuito migliorate, e relativo metodo di fabbricazione |
| CN113838936B (zh) | 2020-06-23 | 2025-10-17 | 意法半导体股份有限公司 | 具有改善短路性能的4H-SiC电子器件及其制造方法 |
| US12495577B2 (en) | 2022-08-17 | 2025-12-09 | Analog Devices, Inc. | Self-aligned silicide gate for discrete shielded-gate trench power MOSFET |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2859351B2 (ja) * | 1990-02-07 | 1999-02-17 | 三菱電機株式会社 | 半導体装置の製造方法 |
| JP2837033B2 (ja) * | 1992-07-21 | 1998-12-14 | 三菱電機株式会社 | 半導体装置及びその製造方法 |
| JP2561413B2 (ja) * | 1993-02-23 | 1996-12-11 | 日産自動車株式会社 | 半導体装置 |
| JPH07202182A (ja) * | 1993-12-28 | 1995-08-04 | Nissan Motor Co Ltd | 半導体装置 |
| JP3481287B2 (ja) * | 1994-02-24 | 2003-12-22 | 三菱電機株式会社 | 半導体装置の製造方法 |
| US5405794A (en) * | 1994-06-14 | 1995-04-11 | Philips Electronics North America Corporation | Method of producing VDMOS device of increased power density |
| US5592005A (en) * | 1995-03-31 | 1997-01-07 | Siliconix Incorporated | Punch-through field effect transistor |
| US5998834A (en) * | 1996-05-22 | 1999-12-07 | Siliconix Incorporated | Long channel trench-gated power MOSFET having fully depleted body region |
-
1996
- 1996-05-22 US US08/651,232 patent/US5998834A/en not_active Expired - Lifetime
-
1997
- 1997-05-21 WO PCT/US1997/008187 patent/WO1997044828A1/en not_active Ceased
- 1997-05-21 JP JP54252197A patent/JP4286321B2/ja not_active Expired - Fee Related
- 1997-05-21 KR KR10-1998-0709589A patent/KR100381845B1/ko not_active Expired - Fee Related
- 1997-05-21 AU AU31257/97A patent/AU3125797A/en not_active Abandoned
- 1997-05-21 DE DE69739058T patent/DE69739058D1/de not_active Expired - Lifetime
- 1997-05-21 EP EP97926508A patent/EP0902980B1/en not_active Expired - Lifetime
-
2008
- 2008-11-12 JP JP2008289444A patent/JP4981013B2/ja not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009060136A (ja) * | 1996-05-22 | 2009-03-19 | Siliconix Inc | 完全空乏領域化ボディ領域を有するロングチャネルトレンチゲート型パワーmosfet |
| US7645711B2 (en) | 2005-01-24 | 2010-01-12 | Kabushiki Kaisha Toshiba | Semiconductor device fabrication method |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3125797A (en) | 1997-12-09 |
| JP2009060136A (ja) | 2009-03-19 |
| EP0902980A1 (en) | 1999-03-24 |
| EP0902980B1 (en) | 2008-10-22 |
| DE69739058D1 (de) | 2008-12-04 |
| KR100381845B1 (ko) | 2003-07-16 |
| JP4981013B2 (ja) | 2012-07-18 |
| US5998834A (en) | 1999-12-07 |
| WO1997044828A1 (en) | 1997-11-27 |
| JP2000511353A (ja) | 2000-08-29 |
| EP0902980A4 (en) | 1999-06-16 |
| KR20000016027A (ko) | 2000-03-25 |
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