CN1930689A - 沟槽栅晶体管及其制造 - Google Patents
沟槽栅晶体管及其制造 Download PDFInfo
- Publication number
- CN1930689A CN1930689A CNA2005800074714A CN200580007471A CN1930689A CN 1930689 A CN1930689 A CN 1930689A CN A2005800074714 A CNA2005800074714 A CN A2005800074714A CN 200580007471 A CN200580007471 A CN 200580007471A CN 1930689 A CN1930689 A CN 1930689A
- Authority
- CN
- China
- Prior art keywords
- trench
- array
- layer
- silicon dioxide
- dioxide 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.)
- Granted
Links
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]
- 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]
- H10D30/60—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
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
- H10D64/117—Recessed field plates, e.g. trench field plates or buried field plates
-
- 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
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/681—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered
- H10D64/685—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered being perpendicular to the channel plane
-
- 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
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/693—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator the insulator comprising nitrogen, e.g. nitrides, oxynitrides or nitrogen-doped materials
-
- 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
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
-
- 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
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/681—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered
Landscapes
- Electrodes Of Semiconductors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0405325.2 | 2004-03-10 | ||
| GBGB0405325.2A GB0405325D0 (en) | 2004-03-10 | 2004-03-10 | Trench-gate transistors and their manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1930689A true CN1930689A (zh) | 2007-03-14 |
| CN100481503C CN100481503C (zh) | 2009-04-22 |
Family
ID=32117356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800074714A Expired - Lifetime CN100481503C (zh) | 2004-03-10 | 2005-02-28 | 沟槽栅晶体管及其制造 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US7361555B2 (zh) |
| EP (1) | EP1728279A2 (zh) |
| JP (1) | JP2007528598A (zh) |
| CN (1) | CN100481503C (zh) |
| GB (1) | GB0405325D0 (zh) |
| WO (1) | WO2005088725A2 (zh) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184959A (zh) * | 2011-04-25 | 2011-09-14 | 上海宏力半导体制造有限公司 | 功率mos管及其制造方法 |
| CN103137702A (zh) * | 2011-11-22 | 2013-06-05 | 韩国电子通信研究院 | 半导体装置及其制造方法 |
| CN105280713A (zh) * | 2014-07-15 | 2016-01-27 | 英飞凌科技奥地利有限公司 | 具有场电极和场电介质的半导体器件 |
| CN106328596A (zh) * | 2015-07-03 | 2017-01-11 | 英飞凌科技奥地利有限公司 | 包括直接邻接台面区段和场电极的接触结构的半导体器件 |
| CN106536068A (zh) * | 2014-07-17 | 2017-03-22 | 皇家飞利浦有限公司 | 超声换能器布置和组件、同轴电线组件、超声探头及超声成像系统 |
| CN106935637A (zh) * | 2015-12-31 | 2017-07-07 | 无锡华润华晶微电子有限公司 | 一种整流器及其制作方法 |
| CN107665921A (zh) * | 2016-07-29 | 2018-02-06 | 朱江 | 一种沟槽半导体装置 |
| CN109037059A (zh) * | 2018-08-24 | 2018-12-18 | 福建龙夏电子科技有限公司 | 沟槽型二极管器件及其形成方法 |
| CN111755526A (zh) * | 2020-07-24 | 2020-10-09 | 华羿微电子股份有限公司 | 一种Trench MOS器件及制备方法 |
| CN111987142A (zh) * | 2019-05-24 | 2020-11-24 | 长鑫存储技术有限公司 | 沟槽阵列晶体管结构及其制备方法 |
| CN114743879A (zh) * | 2022-04-02 | 2022-07-12 | 捷捷微电(上海)科技有限公司 | 一种分离栅mosfet的制作方法 |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7629646B2 (en) * | 2006-08-16 | 2009-12-08 | Force Mos Technology Co., Ltd. | Trench MOSFET with terraced gate and manufacturing method thereof |
| US20080042208A1 (en) * | 2006-08-16 | 2008-02-21 | Force Mos Technology Co., Ltd. | Trench mosfet with esd trench capacitor |
| US20080042222A1 (en) * | 2006-08-16 | 2008-02-21 | Force Mos Technology Co., Ltd. | Trench mosfet with copper metal connections |
| JP5298432B2 (ja) * | 2007-01-31 | 2013-09-25 | 富士電機株式会社 | 半導体装置およびその製造方法 |
| US7851298B2 (en) * | 2007-10-29 | 2010-12-14 | Hynix Semiconductor Inc. | Method for fabricating transistor in a semiconductor device utilizing an etch stop layer pattern as a dummy pattern for the gate electrode formation |
| US20090115060A1 (en) * | 2007-11-01 | 2009-05-07 | Infineon Technologies Ag | Integrated circuit device and method |
| US8304829B2 (en) | 2008-12-08 | 2012-11-06 | Fairchild Semiconductor Corporation | Trench-based power semiconductor devices with increased breakdown voltage characteristics |
| US8174067B2 (en) | 2008-12-08 | 2012-05-08 | Fairchild Semiconductor Corporation | Trench-based power semiconductor devices with increased breakdown voltage characteristics |
| US7879686B2 (en) * | 2009-01-16 | 2011-02-01 | Infineon Technologies Austria Ag | Semiconductor device and method for manufacturing |
| CN102129993B (zh) * | 2010-01-18 | 2012-10-03 | 上海华虹Nec电子有限公司 | 氧化层/氮化层/氧化层侧墙的制作方法 |
| JP2011233701A (ja) | 2010-04-27 | 2011-11-17 | Toshiba Corp | 電力用半導体素子 |
| US8502346B2 (en) * | 2010-12-23 | 2013-08-06 | Alpha And Omega Semiconductor Incorporated | Monolithic IGBT and diode structure for quasi-resonant converters |
| US8946091B2 (en) | 2011-04-28 | 2015-02-03 | Lam Research Corporation | Prevention of line bending and tilting for etch with tri-layer mask |
| JP5995435B2 (ja) | 2011-08-02 | 2016-09-21 | ローム株式会社 | 半導体装置およびその製造方法 |
| CN103426738B (zh) | 2012-05-17 | 2018-05-18 | 恩智浦美国有限公司 | 具有边缘端部结构的沟槽半导体器件及其制造方法 |
| US8946002B2 (en) * | 2012-07-24 | 2015-02-03 | Semiconductor Components Industries, Llc | Method of forming a semiconductor device having a patterned gate dielectric and structure therefor |
| JP6062269B2 (ja) | 2013-01-31 | 2017-01-18 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
| US9735241B2 (en) | 2013-05-16 | 2017-08-15 | Infineon Technologies Americas Corp. | Semiconductor device with a field plate double trench having a thick bottom dielectric |
| DE102013108518B4 (de) * | 2013-08-07 | 2016-11-24 | Infineon Technologies Ag | Halbleitervorrichtung und verfahren zum herstellen derselben |
| US9245974B2 (en) | 2014-02-24 | 2016-01-26 | Taiwan Semiconductor Manufacturing Co., Ltd. | Performance boost by silicon epitaxy |
| DE102014206361A1 (de) | 2014-04-03 | 2015-10-08 | Robert Bosch Gmbh | Verfahren zur Herstellung einer dielektrischen Feldplatte in einem Graben eines Substrats, nach dem Verfahren erhältliches Substrat und Leistungstransistor mit einem solchen Substrat |
| US9343528B2 (en) | 2014-04-10 | 2016-05-17 | Semiconductor Components Industries, Llc | Process of forming an electronic device having a termination region including an insulating region |
| US9324784B2 (en) | 2014-04-10 | 2016-04-26 | Semiconductor Components Industries, Llc | Electronic device having a termination region including an insulating region |
| US11127822B2 (en) | 2016-02-26 | 2021-09-21 | Fuji Electric Co., Ltd. | Semiconductor device and method of manufacturing semiconductor device |
| JP6347308B2 (ja) | 2016-02-26 | 2018-06-27 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
| TWI606519B (zh) * | 2016-09-09 | 2017-11-21 | 帥群微電子股份有限公司 | 溝槽式功率半導體元件及其製造方法 |
| US9812535B1 (en) * | 2016-11-29 | 2017-11-07 | Infineon Technologies Austria Ag | Method for manufacturing a semiconductor device and power semiconductor device |
| JP6761389B2 (ja) * | 2017-09-19 | 2020-09-23 | 株式会社東芝 | 半導体装置 |
| JP7317752B2 (ja) | 2020-03-17 | 2023-07-31 | 株式会社東芝 | 半導体装置 |
| EP3944740B1 (en) * | 2020-06-18 | 2024-06-19 | Dynex Semiconductor Limited | Method of forming asymmetric thickness oxide trenches |
| US12354904B2 (en) * | 2021-10-27 | 2025-07-08 | Texas Instruments Incorporated | Method of reducing integrated deep trench optically sensitive defectivity |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5448083A (en) * | 1991-08-08 | 1995-09-05 | Kabushiki Kaisha Toshiba | Insulated-gate semiconductor device |
| US5304622A (en) * | 1992-01-08 | 1994-04-19 | Nippon Oil Company, Ltd. | Process for producing polysilanes |
| US5640034A (en) * | 1992-05-18 | 1997-06-17 | Texas Instruments Incorporated | Top-drain trench based resurf DMOS transistor structure |
| JP3375681B2 (ja) * | 1993-06-04 | 2003-02-10 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
| US5567634A (en) * | 1995-05-01 | 1996-10-22 | National Semiconductor Corporation | Method of fabricating self-aligned contact trench DMOS transistors |
| US5637898A (en) * | 1995-12-22 | 1997-06-10 | North Carolina State University | Vertical field effect transistors having improved breakdown voltage capability and low on-state resistance |
| US6258669B1 (en) * | 1997-12-18 | 2001-07-10 | Advanced Micro Devices, Inc. | Methods and arrangements for improved formation of control and floating gates in non-volatile memory semiconductor devices |
| US6027969A (en) * | 1998-06-04 | 2000-02-22 | Taiwan Semiconductor Manufacturing Company | Capacitor structure for a dynamic random access memory cell |
| FR2779751B1 (fr) * | 1998-06-10 | 2003-11-14 | Saint Gobain Isover | Substrat a revetement photocatalytique |
| US5998833A (en) * | 1998-10-26 | 1999-12-07 | North Carolina State University | Power semiconductor devices having improved high frequency switching and breakdown characteristics |
| US6545316B1 (en) * | 2000-06-23 | 2003-04-08 | Silicon Wireless Corporation | MOSFET devices having linear transfer characteristics when operating in velocity saturation mode and methods of forming and operating same |
| EP1003219B1 (en) * | 1998-11-19 | 2011-12-28 | Qimonda AG | DRAM with stacked capacitor and buried word line |
| US6404007B1 (en) * | 1999-04-05 | 2002-06-11 | Fairchild Semiconductor Corporation | Trench transistor with superior gate dielectric |
| US6413822B2 (en) * | 1999-04-22 | 2002-07-02 | Advanced Analogic Technologies, Inc. | Super-self-aligned fabrication process of trench-gate DMOS with overlying device layer |
| GB9917099D0 (en) * | 1999-07-22 | 1999-09-22 | Koninkl Philips Electronics Nv | Cellular trench-gate field-effect transistors |
| DE19935442C1 (de) | 1999-07-28 | 2000-12-21 | Siemens Ag | Verfahren zum Herstellen eines Trench-MOS-Leistungstransistors |
| US6211018B1 (en) * | 1999-08-14 | 2001-04-03 | Electronics And Telecommunications Research Institute | Method for fabricating high density trench gate type power device |
| US6346467B1 (en) * | 1999-09-02 | 2002-02-12 | Advanced Micro Devices, Inc. | Method of making tungsten gate MOS transistor and memory cell by encapsulating |
| US6864532B2 (en) * | 2000-01-14 | 2005-03-08 | Denso Corporation | Semiconductor device and method for manufacturing the same |
| US6392257B1 (en) * | 2000-02-10 | 2002-05-21 | Motorola Inc. | Semiconductor structure, semiconductor device, communicating device, integrated circuit, and process for fabricating the same |
| SE519528C2 (sv) * | 2000-08-04 | 2003-03-11 | Ericsson Telefon Ab L M | Anordning i en effekt-MOS-transistor |
| US6551881B1 (en) * | 2001-10-01 | 2003-04-22 | Koninklijke Philips Electronics N.V. | Self-aligned dual-oxide umosfet device and a method of fabricating same |
| US6674124B2 (en) * | 2001-11-15 | 2004-01-06 | General Semiconductor, Inc. | Trench MOSFET having low gate charge |
| DE10214151B4 (de) * | 2002-03-28 | 2007-04-05 | Infineon Technologies Ag | Halbleiterbauelement mit erhöhter Durchbruchspannung im Randbereich |
| US6872622B1 (en) * | 2002-04-09 | 2005-03-29 | Taiwan Semiconductor Manufacturing Company | Method of forming a capacitor top plate structure to increase capacitance and to improve top plate to bit line overlay margin |
| US6566196B1 (en) * | 2002-05-15 | 2003-05-20 | Mosel Vitelic, Inc. | Sidewall protection in fabrication of integrated circuits |
| US6940125B2 (en) * | 2002-08-19 | 2005-09-06 | Silicon Storage Technology, Inc. | Vertical NROM and methods for making thereof |
-
2004
- 2004-03-10 GB GBGB0405325.2A patent/GB0405325D0/en not_active Ceased
-
2005
- 2005-02-28 EP EP05708868A patent/EP1728279A2/en not_active Withdrawn
- 2005-02-28 WO PCT/IB2005/050723 patent/WO2005088725A2/en not_active Ceased
- 2005-02-28 JP JP2007502455A patent/JP2007528598A/ja not_active Withdrawn
- 2005-02-28 CN CNB2005800074714A patent/CN100481503C/zh not_active Expired - Lifetime
- 2005-02-28 US US10/591,352 patent/US7361555B2/en not_active Expired - Fee Related
-
2008
- 2008-03-03 US US12/041,117 patent/US8222693B2/en active Active
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184959B (zh) * | 2011-04-25 | 2016-03-02 | 上海华虹宏力半导体制造有限公司 | 功率mos管及其制造方法 |
| CN102184959A (zh) * | 2011-04-25 | 2011-09-14 | 上海宏力半导体制造有限公司 | 功率mos管及其制造方法 |
| CN103137702A (zh) * | 2011-11-22 | 2013-06-05 | 韩国电子通信研究院 | 半导体装置及其制造方法 |
| CN103137702B (zh) * | 2011-11-22 | 2016-03-16 | 韩国电子通信研究院 | 半导体装置及其制造方法 |
| CN105280713B (zh) * | 2014-07-15 | 2019-01-01 | 英飞凌科技奥地利有限公司 | 具有场电极和场电介质的半导体器件 |
| CN105280713A (zh) * | 2014-07-15 | 2016-01-27 | 英飞凌科技奥地利有限公司 | 具有场电极和场电介质的半导体器件 |
| CN106536068B (zh) * | 2014-07-17 | 2020-06-05 | 皇家飞利浦有限公司 | 超声换能器布置和组件、同轴电线组件、超声探头及超声成像系统 |
| CN106536068A (zh) * | 2014-07-17 | 2017-03-22 | 皇家飞利浦有限公司 | 超声换能器布置和组件、同轴电线组件、超声探头及超声成像系统 |
| US10828673B2 (en) | 2014-07-17 | 2020-11-10 | Koninklijke Philips N.V. | Ultrasound transducer arrangement and assembly, coaxial wire assembly, ultrasound probe and ultrasonic imaging system |
| CN106328596B (zh) * | 2015-07-03 | 2019-03-08 | 英飞凌科技奥地利有限公司 | 包括直接邻接台面区段和场电极的接触结构的半导体器件 |
| CN106328596A (zh) * | 2015-07-03 | 2017-01-11 | 英飞凌科技奥地利有限公司 | 包括直接邻接台面区段和场电极的接触结构的半导体器件 |
| CN106935637A (zh) * | 2015-12-31 | 2017-07-07 | 无锡华润华晶微电子有限公司 | 一种整流器及其制作方法 |
| CN107665921A (zh) * | 2016-07-29 | 2018-02-06 | 朱江 | 一种沟槽半导体装置 |
| CN109037059A (zh) * | 2018-08-24 | 2018-12-18 | 福建龙夏电子科技有限公司 | 沟槽型二极管器件及其形成方法 |
| CN111987142A (zh) * | 2019-05-24 | 2020-11-24 | 长鑫存储技术有限公司 | 沟槽阵列晶体管结构及其制备方法 |
| CN111987142B (zh) * | 2019-05-24 | 2024-05-17 | 长鑫存储技术有限公司 | 沟槽阵列晶体管结构及其制备方法 |
| CN111755526A (zh) * | 2020-07-24 | 2020-10-09 | 华羿微电子股份有限公司 | 一种Trench MOS器件及制备方法 |
| CN114743879A (zh) * | 2022-04-02 | 2022-07-12 | 捷捷微电(上海)科技有限公司 | 一种分离栅mosfet的制作方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100481503C (zh) | 2009-04-22 |
| EP1728279A2 (en) | 2006-12-06 |
| US7361555B2 (en) | 2008-04-22 |
| US8222693B2 (en) | 2012-07-17 |
| WO2005088725A3 (en) | 2006-03-09 |
| WO2005088725A2 (en) | 2005-09-22 |
| US20070181975A1 (en) | 2007-08-09 |
| JP2007528598A (ja) | 2007-10-11 |
| US20080150021A1 (en) | 2008-06-26 |
| GB0405325D0 (en) | 2004-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100481503C (zh) | 沟槽栅晶体管及其制造 | |
| CN1209822C (zh) | 沟槽金属氧化物半导体器件和端子结构 | |
| US10615275B2 (en) | Semiconductor device and method of manufacturing semiconductor device | |
| CN1211843C (zh) | 形成沟槽金属氧化物半导体器件和端子结构的方法 | |
| US9865694B2 (en) | Split-gate trench power mosfet with protected shield oxide | |
| CN120614851A (zh) | 具有非均匀沟槽氧化物的分裂栅半导体 | |
| US7989886B2 (en) | Alignment of trench for MOS | |
| US20100308400A1 (en) | Semiconductor Power Switches Having Trench Gates | |
| CN104064470B (zh) | 半导体装置及其制造方法 | |
| CN1610964A (zh) | 用于制造具有包括用快速扩散形成的掺杂柱体的电压维持区的高压功率mosfet的方法 | |
| CN1886835A (zh) | 沟槽绝缘栅场效应晶体管 | |
| CN1695237A (zh) | 半导体器件处理 | |
| KR100656239B1 (ko) | 선택적 에피택셜 성장에 의해 형성된 트렌치 벽을 갖는 트렌치-게이트 파워 디바이스 | |
| CN1909200A (zh) | 具有改善的开态电阻和击穿电压性能的半导体结构 | |
| US20240347607A1 (en) | Shielded gate trench devices having short channels | |
| US7671441B2 (en) | Trench MOSFET with sidewall spacer gates | |
| US7566622B2 (en) | Early contact, high cell density process | |
| CN118398651A (zh) | 功率器件及其制备方法、功率模块、功率转换电路及车辆 | |
| CN116913966A (zh) | 沟槽-栅半导体器件及其制造方法 | |
| CN104025299A (zh) | 用于场效晶体管的自对准栅极结构 | |
| CN117476770A (zh) | 一种低栅极电荷屏蔽栅mosfet器件及其制作方法 | |
| CN119730319A (zh) | 半导体结构及其形成方法 | |
| CN1469443A (zh) | 给出具有高沟道密度的半导体器件的低成本方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070720 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20070720 Address after: Holland Ian Deho Finn Applicant after: NXP B.V. Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160920 Address after: Holland Ian Deho Finn Patentee after: Nexperia B.V. Address before: Holland Ian Deho Finn Patentee before: NXP B.V. |
|
| CP03 | Change of name, title or address |
Address after: Nijmegen Patentee after: NEXPERIA B.V. Address before: Holland Ian Deho Finn Patentee before: Nexperia B.V. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090422 |
|
| CX01 | Expiry of patent term |