CN101236991A - 半导体器件及其制造方法 - Google Patents
半导体器件及其制造方法 Download PDFInfo
- Publication number
- CN101236991A CN101236991A CNA2008100054364A CN200810005436A CN101236991A CN 101236991 A CN101236991 A CN 101236991A CN A2008100054364 A CNA2008100054364 A CN A2008100054364A CN 200810005436 A CN200810005436 A CN 200810005436A CN 101236991 A CN101236991 A CN 101236991A
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- dielectric constant
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- groove
- high dielectric
- drift region
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 117
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000012212 insulator Substances 0.000 claims abstract description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 22
- 239000012535 impurity Substances 0.000 claims description 18
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 12
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 12
- 239000012530 fluid Substances 0.000 abstract 2
- 239000002344 surface layer Substances 0.000 abstract 1
- 230000005684 electric field Effects 0.000 description 57
- 238000009826 distribution Methods 0.000 description 32
- 239000000463 material Substances 0.000 description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 229910002367 SrTiO Inorganic materials 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 239000003989 dielectric material Substances 0.000 description 5
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 241000627951 Osteobrama cotio Species 0.000 description 3
- 230000003321 amplification Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- -1 boron ion Chemical class 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 244000287680 Garcinia dulcis Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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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
- H01L29/68—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
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/408—Electrodes ; Multistep manufacturing processes therefor with an insulating layer with a particular dielectric or electrostatic property, e.g. with static charges or for controlling trapped charges or moving ions, or with a plate acting on the insulator potential or the insulator charges, e.g. for controlling charges effect or potential distribution in the insulating layer, or with a semi-insulating layer contacting directly the semiconductor surface
-
- 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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/517—Insulating materials associated therewith the insulating material comprising a metallic compound, e.g. metal oxide, metal silicate
-
- 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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/518—Insulating materials associated therewith the insulating material containing nitrogen, e.g. nitride, oxynitride, nitrogen-doped material
-
- 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
- H01L29/66734—Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the gate electrode, e.g. to form a trench gate electrode
-
- 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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0642—Isolation within the component, i.e. internal isolation
- H01L29/0649—Dielectric regions, e.g. SiO2 regions, air gaps
- H01L29/0653—Dielectric regions, e.g. SiO2 regions, air gaps adjoining the input or output region of a field-effect device, e.g. the source or drain region
-
- 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
- H01L29/41—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
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
-
- 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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/512—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being parallel to the channel plane
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007021828 | 2007-01-31 | ||
JP2007021828A JP5298432B2 (ja) | 2007-01-31 | 2007-01-31 | 半導体装置およびその製造方法 |
JP2007-021828 | 2007-01-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101236991A true CN101236991A (zh) | 2008-08-06 |
CN101236991B CN101236991B (zh) | 2011-04-06 |
Family
ID=39587458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100054364A Expired - Fee Related CN101236991B (zh) | 2007-01-31 | 2008-01-30 | 半导体器件及其制造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7898024B2 (zh) |
JP (1) | JP5298432B2 (zh) |
CN (1) | CN101236991B (zh) |
DE (1) | DE102007053104A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103283022A (zh) * | 2010-12-24 | 2013-09-04 | 日立汽车系统株式会社 | 功率模块的绝缘结构和使用功率模块的电力变换装置 |
CN110061051A (zh) * | 2014-05-12 | 2019-07-26 | 英飞凌科技股份有限公司 | 半导体器件和有隔离源区的反向导电绝缘栅双极晶体管 |
CN111341832A (zh) * | 2018-12-19 | 2020-06-26 | 无锡华润华晶微电子有限公司 | 结终端结构及其制备方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7871882B2 (en) * | 2008-12-20 | 2011-01-18 | Power Integrations, Inc. | Method of fabricating a deep trench insulated gate bipolar transistor |
JP5616665B2 (ja) | 2010-03-30 | 2014-10-29 | ローム株式会社 | 半導体装置 |
JP2011233701A (ja) | 2010-04-27 | 2011-11-17 | Toshiba Corp | 電力用半導体素子 |
JP5818099B2 (ja) * | 2012-04-27 | 2015-11-18 | 国立研究開発法人産業技術総合研究所 | 半導体装置 |
US8829562B2 (en) * | 2012-07-24 | 2014-09-09 | Infineon Technologies Ag | Semiconductor device including a dielectric structure in a trench |
JP2016171268A (ja) | 2015-03-16 | 2016-09-23 | 株式会社東芝 | 半導体装置 |
JP6701789B2 (ja) | 2016-02-19 | 2020-05-27 | 富士電機株式会社 | Rb‐igbt |
EP3474314A1 (en) * | 2017-10-20 | 2019-04-24 | Infineon Technologies Austria AG | Semiconductor device and method for manufacturing a semiconductor method |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01309380A (ja) * | 1988-06-08 | 1989-12-13 | Hitachi Ltd | 絶縁ゲート形半導体装置 |
JP3291957B2 (ja) * | 1995-02-17 | 2002-06-17 | 富士電機株式会社 | 縦型トレンチmisfetおよびその製造方法 |
US6710403B2 (en) * | 2002-07-30 | 2004-03-23 | Fairchild Semiconductor Corporation | Dual trench power MOSFET |
EP1393362B1 (en) * | 2001-04-28 | 2011-12-14 | Nxp B.V. | Method of manufacturing a trench-gate semiconductor device |
US6878989B2 (en) * | 2001-05-25 | 2005-04-12 | Kabushiki Kaisha Toshiba | Power MOSFET semiconductor device and method of manufacturing the same |
JP2003017695A (ja) * | 2001-07-03 | 2003-01-17 | Mitsubishi Electric Corp | 半導体装置 |
US7009247B2 (en) | 2001-07-03 | 2006-03-07 | Siliconix Incorporated | Trench MIS device with thick oxide layer in bottom of gate contact trench |
US6635544B2 (en) | 2001-09-07 | 2003-10-21 | Power Intergrations, Inc. | Method of fabricating a high-voltage transistor with a multi-layered extended drain structure |
EP1625622A2 (en) | 2003-05-13 | 2006-02-15 | Koninklijke Philips Electronics N.V. | Semiconductor device with a field shaping region |
JP4538211B2 (ja) * | 2003-10-08 | 2010-09-08 | トヨタ自動車株式会社 | 絶縁ゲート型半導体装置およびその製造方法 |
JP4085051B2 (ja) * | 2003-12-26 | 2008-04-30 | 株式会社東芝 | 半導体装置およびその製造方法 |
GB0405325D0 (en) * | 2004-03-10 | 2004-04-21 | Koninkl Philips Electronics Nv | Trench-gate transistors and their manufacture |
JP2005302925A (ja) * | 2004-04-09 | 2005-10-27 | Toshiba Corp | 半導体装置 |
JP2005340626A (ja) * | 2004-05-28 | 2005-12-08 | Toshiba Corp | 半導体装置 |
KR100614806B1 (ko) * | 2004-10-27 | 2006-08-22 | 삼성전자주식회사 | 고내압 트랜지스터 및 이의 제조 방법 |
KR100699843B1 (ko) * | 2005-06-09 | 2007-03-27 | 삼성전자주식회사 | 트렌치 분리영역을 갖는 모스 전계효과 트랜지스터 및 그제조방법 |
US7319256B1 (en) * | 2006-06-19 | 2008-01-15 | Fairchild Semiconductor Corporation | Shielded gate trench FET with the shield and gate electrodes being connected together |
-
2007
- 2007-01-31 JP JP2007021828A patent/JP5298432B2/ja not_active Expired - Fee Related
- 2007-11-07 DE DE102007053104A patent/DE102007053104A1/de not_active Withdrawn
-
2008
- 2008-01-30 CN CN2008100054364A patent/CN101236991B/zh not_active Expired - Fee Related
- 2008-01-31 US US12/023,637 patent/US7898024B2/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103283022A (zh) * | 2010-12-24 | 2013-09-04 | 日立汽车系统株式会社 | 功率模块的绝缘结构和使用功率模块的电力变换装置 |
CN103283022B (zh) * | 2010-12-24 | 2016-08-31 | 日立汽车系统株式会社 | 功率模块 |
CN110061051A (zh) * | 2014-05-12 | 2019-07-26 | 英飞凌科技股份有限公司 | 半导体器件和有隔离源区的反向导电绝缘栅双极晶体管 |
CN110061051B (zh) * | 2014-05-12 | 2022-08-12 | 英飞凌科技股份有限公司 | 半导体器件和有隔离源区的反向导电绝缘栅双极晶体管 |
CN111341832A (zh) * | 2018-12-19 | 2020-06-26 | 无锡华润华晶微电子有限公司 | 结终端结构及其制备方法 |
CN111341832B (zh) * | 2018-12-19 | 2023-10-27 | 无锡华润华晶微电子有限公司 | 结终端结构及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2008187147A (ja) | 2008-08-14 |
CN101236991B (zh) | 2011-04-06 |
DE102007053104A1 (de) | 2008-08-07 |
US7898024B2 (en) | 2011-03-01 |
US20080258211A1 (en) | 2008-10-23 |
JP5298432B2 (ja) | 2013-09-25 |
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