CN104737298B - 分裂栅功率半导体场效应晶体管 - Google Patents
分裂栅功率半导体场效应晶体管 Download PDFInfo
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- CN104737298B CN104737298B CN201480002400.4A CN201480002400A CN104737298B CN 104737298 B CN104737298 B CN 104737298B CN 201480002400 A CN201480002400 A CN 201480002400A CN 104737298 B CN104737298 B CN 104737298B
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- 238000000034 method Methods 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 238000009792 diffusion process Methods 0.000 claims description 22
- 150000002500 ions Chemical class 0.000 claims description 21
- 239000011229 interlayer Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 16
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 238000000137 annealing Methods 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 11
- 238000001259 photo etching Methods 0.000 claims description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 9
- 229920005591 polysilicon Polymers 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 8
- 229910021332 silicide Inorganic materials 0.000 claims description 8
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 8
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 2
- 229910003978 SiClx Inorganic materials 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 229910052738 indium Inorganic materials 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
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- 239000003989 dielectric material Substances 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1095—Body region, i.e. base region, of DMOS transistors or IGBTs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/402—Field plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/402—Field plates
- H01L29/405—Resistive arrangements, e.g. resistive or semi-insulating field plates
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- H—ELECTRICITY
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/42376—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the length or the sectional shape
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- H—ELECTRICITY
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/4238—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the surface lay-out
-
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/66325—Bipolar junction transistors [BJT] controlled by field-effect, e.g. insulated gate bipolar transistors [IGBT]
- H01L29/66333—Vertical insulated gate bipolar transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HK13114188 | 2013-12-23 | ||
HK131141888 | 2013-12-23 | ||
PCT/CN2014/093007 WO2015096605A1 (zh) | 2013-12-23 | 2014-12-04 | 分裂栅功率半导体场效应晶体管 |
Publications (2)
Publication Number | Publication Date |
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CN104737298A CN104737298A (zh) | 2015-06-24 |
CN104737298B true CN104737298B (zh) | 2017-06-23 |
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CN201480002400.4A Active CN104737298B (zh) | 2013-12-23 | 2014-12-04 | 分裂栅功率半导体场效应晶体管 |
Country Status (4)
Country | Link |
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US (2) | US9397178B2 (zh) |
EP (1) | EP3089216B1 (zh) |
CN (1) | CN104737298B (zh) |
WO (1) | WO2015096605A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105428316B (zh) * | 2015-11-05 | 2018-05-15 | 深圳深爱半导体股份有限公司 | 金属氧化物半导体场效应管及其制造方法 |
JP6526579B2 (ja) * | 2016-01-15 | 2019-06-05 | 株式会社東芝 | 半導体装置 |
CN106098761B (zh) * | 2016-06-29 | 2019-06-07 | 黄嘉杰 | 一种绝缘栅双极型晶体管结构及其制造方法 |
CN108666361B (zh) * | 2017-03-31 | 2022-04-12 | 深圳尚阳通科技有限公司 | 一种通孔免对位的功率器件及其制造方法 |
CN107946360B (zh) * | 2017-05-02 | 2023-10-20 | 中国电子科技集团公司第二十四研究所 | 一种带载流子寿命调节区的功率mosfet器件及其制造方法 |
CN108878275A (zh) * | 2017-05-10 | 2018-11-23 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的制备方法 |
CN112885900B (zh) * | 2019-11-29 | 2022-04-15 | 苏州东微半导体股份有限公司 | 一种igbt器件 |
JP2022046240A (ja) * | 2020-09-10 | 2022-03-23 | 株式会社東芝 | 半導体装置 |
CN112382659A (zh) * | 2020-11-12 | 2021-02-19 | 中国科学院半导体研究所 | 一种元胞内带绝缘结构的功率半导体器件及制备方法 |
CN112802906B (zh) * | 2021-04-15 | 2021-07-27 | 成都蓉矽半导体有限公司 | 带浮栅的分离栅平面型mosfet器件 |
CN114744042A (zh) * | 2022-03-24 | 2022-07-12 | 苏州迈志微半导体有限公司 | 功率晶体管 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US6025229A (en) * | 1997-12-24 | 2000-02-15 | United Semiconductor Corp. | Method of fabricating split-gate source side injection flash memory array |
CN103456790A (zh) * | 2012-06-01 | 2013-12-18 | 台湾积体电路制造股份有限公司 | 垂直功率mosfet及其形成方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3125567B2 (ja) * | 1994-03-28 | 2001-01-22 | 富士電機株式会社 | 絶縁ゲート型サイリスタ |
DE19905421B4 (de) * | 1999-02-10 | 2005-07-28 | Semikron Elektronik Gmbh | Leistungshalbleiterbauelement mit reduzierter Millerkapazität |
KR20010040186A (ko) * | 1999-10-27 | 2001-05-15 | 인터실 코포레이션 | 디모스, 절연게이트 바이폴라 트랜지스터, 및 금속 산화막반도체 전계 효과 트랜지스터 등의 전력 모스 소자의게이트 전하 및 게이트/드레인 정전용량 최소화기술 |
JP3906105B2 (ja) * | 2002-03-29 | 2007-04-18 | 株式会社東芝 | 半導体装置 |
JP2004079988A (ja) * | 2002-06-19 | 2004-03-11 | Toshiba Corp | 半導体装置 |
GB0422476D0 (en) * | 2004-10-09 | 2004-11-10 | Koninkl Philips Electronics Nv | Power semiconductor devices |
US7659570B2 (en) * | 2005-05-09 | 2010-02-09 | Alpha & Omega Semiconductor Ltd. | Power MOSFET device structure for high frequency applications |
JP5191633B2 (ja) * | 2006-04-04 | 2013-05-08 | 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 |
US7504676B2 (en) * | 2006-05-31 | 2009-03-17 | Alpha & Omega Semiconductor, Ltd. | Planar split-gate high-performance MOSFET structure and manufacturing method |
US9425306B2 (en) * | 2009-08-27 | 2016-08-23 | Vishay-Siliconix | Super junction trench power MOSFET devices |
US20120220092A1 (en) * | 2009-10-21 | 2012-08-30 | Vishay-Siliconix | Method of forming a hybrid split gate simiconductor |
KR20130088743A (ko) * | 2010-04-13 | 2013-08-08 | 갠 시스템즈 인크. | 아일랜드 토폴로지를 이용한 고밀도 질화 갈륨 디바이스 |
US8779510B2 (en) * | 2010-06-01 | 2014-07-15 | Alpha And Omega Semiconductor Incorporated | Semiconductor power devices manufactured with self-aligned processes and more reliable electrical contacts |
US9960267B2 (en) * | 2013-03-31 | 2018-05-01 | Shindengen Electric Manufacturing Co., Ltd. | Semiconductor device |
-
2014
- 2014-12-04 EP EP14875355.1A patent/EP3089216B1/en active Active
- 2014-12-04 WO PCT/CN2014/093007 patent/WO2015096605A1/zh active Application Filing
- 2014-12-04 CN CN201480002400.4A patent/CN104737298B/zh active Active
- 2014-12-04 US US14/766,594 patent/US9397178B2/en active Active
-
2016
- 2016-06-21 US US15/188,694 patent/US9825149B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6025229A (en) * | 1997-12-24 | 2000-02-15 | United Semiconductor Corp. | Method of fabricating split-gate source side injection flash memory array |
CN103456790A (zh) * | 2012-06-01 | 2013-12-18 | 台湾积体电路制造股份有限公司 | 垂直功率mosfet及其形成方法 |
Also Published As
Publication number | Publication date |
---|---|
US20170040428A1 (en) | 2017-02-09 |
EP3089216B1 (en) | 2020-09-23 |
US20150372103A1 (en) | 2015-12-24 |
US9397178B2 (en) | 2016-07-19 |
CN104737298A (zh) | 2015-06-24 |
EP3089216A1 (en) | 2016-11-02 |
WO2015096605A1 (zh) | 2015-07-02 |
EP3089216A4 (en) | 2017-10-11 |
US9825149B2 (en) | 2017-11-21 |
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