JP2001127292A - 高密度トレンチゲートパワーmosfet - Google Patents
高密度トレンチゲートパワーmosfetInfo
- Publication number
- JP2001127292A JP2001127292A JP2000016475A JP2000016475A JP2001127292A JP 2001127292 A JP2001127292 A JP 2001127292A JP 2000016475 A JP2000016475 A JP 2000016475A JP 2000016475 A JP2000016475 A JP 2000016475A JP 2001127292 A JP2001127292 A JP 2001127292A
- Authority
- JP
- Japan
- Prior art keywords
- junction
- region
- trench
- power mosfet
- layer
- 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.)
- Pending
Links
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]
- 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
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
- H10D30/0297—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs using recessing of the gate electrodes, e.g. to form trench gate electrodes
-
- 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
- H10D30/665—Vertical DMOS [VDMOS] FETs having edge termination structures
-
- 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
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]
- H10D62/108—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] having localised breakdown regions, e.g. built-in avalanching regions
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/101—Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
- H10D84/141—VDMOS having built-in components
- H10D84/143—VDMOS having built-in components the built-in components being PN junction diodes
- H10D84/144—VDMOS having built-in components the built-in components being PN junction diodes in antiparallel diode configurations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/101—Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
- H10D84/141—VDMOS having built-in components
- H10D84/148—VDMOS having built-in components the built-in components being breakdown diodes, e.g. Zener diodes
-
- 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
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
Landscapes
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/428,299 US6348712B1 (en) | 1999-10-27 | 1999-10-27 | High density trench-gated power MOSFET |
| US09/428299 | 1999-10-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001127292A true JP2001127292A (ja) | 2001-05-11 |
| JP2001127292A5 JP2001127292A5 (cg-RX-API-DMAC7.html) | 2005-09-29 |
Family
ID=23698310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000016475A Pending JP2001127292A (ja) | 1999-10-27 | 2000-01-26 | 高密度トレンチゲートパワーmosfet |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US6348712B1 (cg-RX-API-DMAC7.html) |
| EP (2) | EP1988579A3 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2001127292A (cg-RX-API-DMAC7.html) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005057050A (ja) * | 2003-08-04 | 2005-03-03 | Renesas Technology Corp | 半導体装置およびその製造方法 |
| JP2006310836A (ja) * | 2006-04-05 | 2006-11-09 | Hvvi Semiconductors Inc | パワー半導体装置およびそのための方法 |
| JP2006310838A (ja) * | 2006-04-05 | 2006-11-09 | Hvvi Semiconductors Inc | パワー半導体装置およびそのための方法 |
| JP2007116160A (ja) * | 2005-10-18 | 2007-05-10 | Internatl Rectifier Corp | 大容量性負荷のためのトレンチigbt |
| JP2007173878A (ja) * | 2007-03-28 | 2007-07-05 | Toshiba Corp | 半導体装置 |
| JP2007531988A (ja) * | 2004-03-01 | 2007-11-08 | インターナショナル レクティファイアー コーポレイション | トレンチデバイスのための自動整合された接点構造体 |
| JP2008218711A (ja) * | 2007-03-05 | 2008-09-18 | Renesas Technology Corp | 半導体装置およびその製造方法、ならびに電源装置 |
| JP2008244466A (ja) * | 2007-02-27 | 2008-10-09 | Matsushita Electric Ind Co Ltd | 半導体装置 |
| JP2009525597A (ja) * | 2006-01-30 | 2009-07-09 | フェアチャイルド・セミコンダクター・コーポレーション | 高セル密度トレンチmosfetにおける多様なメサ寸法 |
| JP2010098326A (ja) * | 2009-12-21 | 2010-04-30 | Renesas Technology Corp | 半導体装置およびその製造方法、ならびに電源装置 |
| US7847369B2 (en) | 2004-01-10 | 2010-12-07 | Hvvi Semiconductors, Inc. | Radio frequency power semiconductor device comprising matrix of cavities as dielectric isolation structure |
| JP5047805B2 (ja) * | 2005-11-22 | 2012-10-10 | 新電元工業株式会社 | トレンチゲートパワー半導体装置 |
| US8530963B2 (en) | 2005-01-06 | 2013-09-10 | Estivation Properties Llc | Power semiconductor device and method therefor |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6472678B1 (en) * | 2000-06-16 | 2002-10-29 | General Semiconductor, Inc. | Trench MOSFET with double-diffused body profile |
| US6309929B1 (en) * | 2000-09-22 | 2001-10-30 | Industrial Technology Research Institute And Genetal Semiconductor Of Taiwan, Ltd. | Method of forming trench MOS device and termination structure |
| US7384854B2 (en) * | 2002-03-08 | 2008-06-10 | International Business Machines Corporation | Method of forming low capacitance ESD robust diodes |
| JP4209260B2 (ja) * | 2003-06-04 | 2009-01-14 | Nec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 |
| JP2006196545A (ja) * | 2005-01-11 | 2006-07-27 | Toshiba Corp | 半導体装置の製造方法 |
| JP5073991B2 (ja) * | 2006-08-23 | 2012-11-14 | オンセミコンダクター・トレーディング・リミテッド | 絶縁ゲート型半導体装置 |
| US9437729B2 (en) * | 2007-01-08 | 2016-09-06 | Vishay-Siliconix | High-density power MOSFET with planarized metalization |
| US9947770B2 (en) | 2007-04-03 | 2018-04-17 | Vishay-Siliconix | Self-aligned trench MOSFET and method of manufacture |
| SE532625C2 (sv) * | 2007-04-11 | 2010-03-09 | Transic Ab | Halvledarkomponent i kiselkarbid |
| US9484451B2 (en) | 2007-10-05 | 2016-11-01 | Vishay-Siliconix | MOSFET active area and edge termination area charge balance |
| US20100171543A1 (en) * | 2009-01-08 | 2010-07-08 | Ciclon Semiconductor Device Corp. | Packaged power switching device |
| US20100237439A1 (en) * | 2009-03-18 | 2010-09-23 | Ming-Cheng Lee | High-voltage metal-dielectric-semiconductor device and method of the same |
| US9443974B2 (en) | 2009-08-27 | 2016-09-13 | Vishay-Siliconix | Super junction trench power MOSFET device fabrication |
| US9431530B2 (en) * | 2009-10-20 | 2016-08-30 | Vishay-Siliconix | Super-high density trench MOSFET |
| US9842911B2 (en) | 2012-05-30 | 2017-12-12 | Vishay-Siliconix | Adaptive charge balanced edge termination |
| US9887259B2 (en) | 2014-06-23 | 2018-02-06 | Vishay-Siliconix | Modulated super junction power MOSFET devices |
| EP4565029A3 (en) | 2014-08-19 | 2025-07-30 | Vishay-Siliconix | Mosfet semiconductor device |
| WO2016028944A1 (en) | 2014-08-19 | 2016-02-25 | Vishay-Siliconix | Super-junction metal oxide semiconductor field effect transistor |
| US10522674B2 (en) | 2016-05-18 | 2019-12-31 | Rohm Co., Ltd. | Semiconductor with unified transistor structure and voltage regulator diode |
| US10692863B2 (en) | 2016-09-30 | 2020-06-23 | Rohm Co., Ltd. | Semiconductor device and semiconductor package |
| DE102017108738B4 (de) * | 2017-04-24 | 2022-01-27 | Infineon Technologies Ag | SiC-HALBLEITERVORRICHTUNG MIT EINEM VERSATZ IN EINEM GRABENBODEN UND HERSTELLUNGSVERFAHREN HIERFÜR |
| CN109256427A (zh) * | 2018-09-19 | 2019-01-22 | 电子科技大学 | 一种集成肖特基二极管的SiC MOSFET器件 |
| TWI739252B (zh) * | 2019-12-25 | 2021-09-11 | 杰力科技股份有限公司 | 溝槽式mosfet元件及其製造方法 |
| US12495577B2 (en) | 2022-08-17 | 2025-12-09 | Analog Devices, Inc. | Self-aligned silicide gate for discrete shielded-gate trench power MOSFET |
| CN115394836A (zh) * | 2022-09-19 | 2022-11-25 | 华虹半导体(无锡)有限公司 | 超级结沟槽栅终端结构及其制备方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939071A (ja) * | 1982-08-27 | 1984-03-03 | Nissan Motor Co Ltd | 縦型パワ−mos・fet |
| JPH08250731A (ja) * | 1994-12-30 | 1996-09-27 | Siliconix Inc | 高いブレークダウン電圧と低いオン抵抗を兼ね備えたトレンチ型mosfet |
| JPH09289304A (ja) * | 1996-04-19 | 1997-11-04 | Rohm Co Ltd | 半導体装置 |
| JPH11501458A (ja) * | 1995-08-21 | 1999-02-02 | シリコニックス・インコーポレイテッド | 低減したオン抵抗と耐圧性を有する埋込層を備えたトレンチ形電界効果トランジスタ |
| JPH1145998A (ja) * | 1997-07-28 | 1999-02-16 | Toyota Central Res & Dev Lab Inc | 絶縁ゲート型半導体装置 |
| JPH11243196A (ja) * | 1997-11-14 | 1999-09-07 | Fairchild Semiconductor Corp | 電界効果トランジスタ及びその製造方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5072266A (en) | 1988-12-27 | 1991-12-10 | Siliconix Incorporated | Trench DMOS power transistor with field-shaping body profile and three-dimensional geometry |
| JPH0493084A (ja) * | 1990-08-08 | 1992-03-25 | Matsushita Electron Corp | 半導体装置およびその製造方法 |
| GB9216599D0 (en) | 1992-08-05 | 1992-09-16 | Philips Electronics Uk Ltd | A semiconductor device comprising a vertical insulated gate field effect device and a method of manufacturing such a device |
| US5410170A (en) * | 1993-04-14 | 1995-04-25 | Siliconix Incorporated | DMOS power transistors with reduced number of contacts using integrated body-source connections |
| JP2987328B2 (ja) * | 1995-06-02 | 1999-12-06 | シリコニックス・インコーポレイテッド | 双方向電流阻止機能を備えたトレンチ型パワーmosfet |
| US6049108A (en) * | 1995-06-02 | 2000-04-11 | Siliconix Incorporated | Trench-gated MOSFET with bidirectional voltage clamping |
| US5689128A (en) * | 1995-08-21 | 1997-11-18 | Siliconix Incorporated | High density trenched DMOS transistor |
| KR100360079B1 (ko) * | 1995-11-02 | 2003-03-15 | 내셔널 세미콘덕터 코포레이션 | 견고성을향상시키는절연게이트반도체디바이스의제조방법 |
| US6285060B1 (en) * | 1999-12-30 | 2001-09-04 | Siliconix Incorporated | Barrier accumulation-mode MOSFET |
-
1999
- 1999-10-27 US US09/428,299 patent/US6348712B1/en not_active Expired - Lifetime
-
2000
- 2000-01-19 EP EP08009037A patent/EP1988579A3/en not_active Ceased
- 2000-01-19 EP EP00300391A patent/EP1096574A3/en not_active Ceased
- 2000-01-26 JP JP2000016475A patent/JP2001127292A/ja active Pending
-
2001
- 2001-03-21 US US09/816,717 patent/US6534366B2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939071A (ja) * | 1982-08-27 | 1984-03-03 | Nissan Motor Co Ltd | 縦型パワ−mos・fet |
| JPH08250731A (ja) * | 1994-12-30 | 1996-09-27 | Siliconix Inc | 高いブレークダウン電圧と低いオン抵抗を兼ね備えたトレンチ型mosfet |
| JPH11501458A (ja) * | 1995-08-21 | 1999-02-02 | シリコニックス・インコーポレイテッド | 低減したオン抵抗と耐圧性を有する埋込層を備えたトレンチ形電界効果トランジスタ |
| JPH09289304A (ja) * | 1996-04-19 | 1997-11-04 | Rohm Co Ltd | 半導体装置 |
| JPH1145998A (ja) * | 1997-07-28 | 1999-02-16 | Toyota Central Res & Dev Lab Inc | 絶縁ゲート型半導体装置 |
| JPH11243196A (ja) * | 1997-11-14 | 1999-09-07 | Fairchild Semiconductor Corp | 電界効果トランジスタ及びその製造方法 |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7981747B2 (en) | 2003-08-04 | 2011-07-19 | Renesas Electronics Corporation | Semiconductor device and a method of manufacturing the same |
| JP2005057050A (ja) * | 2003-08-04 | 2005-03-03 | Renesas Technology Corp | 半導体装置およびその製造方法 |
| US9865590B2 (en) | 2004-01-10 | 2018-01-09 | Xenogenic Development Limited Liability Company | Power semiconductor device and method therefor |
| US9177866B2 (en) | 2004-01-10 | 2015-11-03 | Estivation Properties Llc | Power semiconductor device and method therefor |
| US9029946B2 (en) | 2004-01-10 | 2015-05-12 | Estivation Properties Llc | Power semiconductor device and method therefor |
| US8471378B2 (en) | 2004-01-10 | 2013-06-25 | Estivation Properties Llc | Power semiconductor device and method therefor |
| US7847369B2 (en) | 2004-01-10 | 2010-12-07 | Hvvi Semiconductors, Inc. | Radio frequency power semiconductor device comprising matrix of cavities as dielectric isolation structure |
| US7898057B2 (en) | 2004-01-10 | 2011-03-01 | Hvvi Semiconductors, Inc. | Radio frequency power semiconductor device package comprising dielectric platform and shielding plate |
| JP2007531988A (ja) * | 2004-03-01 | 2007-11-08 | インターナショナル レクティファイアー コーポレイション | トレンチデバイスのための自動整合された接点構造体 |
| US8530963B2 (en) | 2005-01-06 | 2013-09-10 | Estivation Properties Llc | Power semiconductor device and method therefor |
| JP2007116160A (ja) * | 2005-10-18 | 2007-05-10 | Internatl Rectifier Corp | 大容量性負荷のためのトレンチigbt |
| JP5047805B2 (ja) * | 2005-11-22 | 2012-10-10 | 新電元工業株式会社 | トレンチゲートパワー半導体装置 |
| JP2009525597A (ja) * | 2006-01-30 | 2009-07-09 | フェアチャイルド・セミコンダクター・コーポレーション | 高セル密度トレンチmosfetにおける多様なメサ寸法 |
| JP2006310838A (ja) * | 2006-04-05 | 2006-11-09 | Hvvi Semiconductors Inc | パワー半導体装置およびそのための方法 |
| JP2006310836A (ja) * | 2006-04-05 | 2006-11-09 | Hvvi Semiconductors Inc | パワー半導体装置およびそのための方法 |
| JP2008244466A (ja) * | 2007-02-27 | 2008-10-09 | Matsushita Electric Ind Co Ltd | 半導体装置 |
| JP2008218711A (ja) * | 2007-03-05 | 2008-09-18 | Renesas Technology Corp | 半導体装置およびその製造方法、ならびに電源装置 |
| JP2007173878A (ja) * | 2007-03-28 | 2007-07-05 | Toshiba Corp | 半導体装置 |
| JP2010098326A (ja) * | 2009-12-21 | 2010-04-30 | Renesas Technology Corp | 半導体装置およびその製造方法、ならびに電源装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1988579A3 (en) | 2008-11-19 |
| EP1096574A3 (en) | 2003-03-12 |
| EP1988579A2 (en) | 2008-11-05 |
| US6348712B1 (en) | 2002-02-19 |
| US20010045598A1 (en) | 2001-11-29 |
| US6534366B2 (en) | 2003-03-18 |
| EP1096574A2 (en) | 2001-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2001127292A (ja) | 高密度トレンチゲートパワーmosfet | |
| US7795675B2 (en) | Termination for trench MIS device | |
| US10763351B2 (en) | Vertical trench DMOSFET having integrated implants forming enhancement diodes in parallel with the body diode | |
| CN100424887C (zh) | 具有注入漏漂移区的沟槽金属氧化物半导体场效应晶体管及其制造方法 | |
| US7326995B2 (en) | Trench MIS device having implanted drain-drift region and thick bottom oxide | |
| US7435650B2 (en) | Process for manufacturing trench MIS device having implanted drain-drift region and thick bottom oxide | |
| JP4028482B2 (ja) | トレンチゲート電極を有するパワーmosfet及びその製造方法 | |
| US5930630A (en) | Method for device ruggedness improvement and on-resistance reduction for power MOSFET achieved by novel source contact structure | |
| US6072216A (en) | Vertical DMOS field effect transistor with conformal buried layer for reduced on-resistance | |
| JP2001210822A (ja) | バリヤ蓄積モード電界効果トランジスタ | |
| EP0956596A1 (en) | Vertical power mosfet having reduced sensitivity to variations in thickness of epitaxial layer | |
| JP2003533889A (ja) | トレンチゲート半導体装置 | |
| JP5048214B2 (ja) | 低閾値電圧を有する短チャンネルトレンチパワーmosfet | |
| CN210110783U (zh) | 一种集成高性能的ldmos结构 | |
| US20050218447A1 (en) | Process of fabricating termination region for trench MIS device | |
| US20060038223A1 (en) | Trench MOSFET having drain-drift region comprising stack of implanted regions | |
| JPH08213620A (ja) | 電界効果により制御可能の半導体デバイスの製造方法 | |
| HK1107445B (en) | Power semiconductor device having improved performance and method | |
| HK1107445A1 (en) | Power semiconductor device having improved performance and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050509 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050509 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080926 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090512 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090811 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090814 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090907 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100601 |