CN1327271A - 垂直mos三极管及其制造方法 - Google Patents
垂直mos三极管及其制造方法 Download PDFInfo
- Publication number
- CN1327271A CN1327271A CN01122162A CN01122162A CN1327271A CN 1327271 A CN1327271 A CN 1327271A CN 01122162 A CN01122162 A CN 01122162A CN 01122162 A CN01122162 A CN 01122162A CN 1327271 A CN1327271 A CN 1327271A
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- China
- Prior art keywords
- film
- ditches
- irrigation canals
- conduction type
- polysilicon
- 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
- 238000000034 method Methods 0.000 title claims description 29
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 84
- 210000000746 body region Anatomy 0.000 claims abstract description 29
- 238000005530 etching Methods 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 229920005591 polysilicon Polymers 0.000 claims description 83
- 230000002262 irrigation Effects 0.000 claims description 70
- 238000003973 irrigation Methods 0.000 claims description 70
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 33
- 239000000758 substrate Substances 0.000 claims description 23
- 239000012535 impurity Substances 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 abstract 1
- 229910021332 silicide Inorganic materials 0.000 abstract 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 235000001018 Hibiscus sabdariffa Nutrition 0.000 description 1
- 235000005291 Rumex acetosa Nutrition 0.000 description 1
- 240000007001 Rumex acetosella Species 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- RJCRUVXAWQRZKQ-UHFFFAOYSA-N oxosilicon;silicon Chemical compound [Si].[Si]=O RJCRUVXAWQRZKQ-UHFFFAOYSA-N 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 235000003513 sheep sorrel Nutrition 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- H01L29/43—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
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
- H01L29/4925—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement
- H01L29/4933—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement with a silicide layer contacting the silicon layer, e.g. Polycide gate
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)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP166214/2000 | 2000-06-02 | ||
JP2000166214A JP3773755B2 (ja) | 2000-06-02 | 2000-06-02 | 縦形mosトランジスタ及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1327271A true CN1327271A (zh) | 2001-12-19 |
CN1214468C CN1214468C (zh) | 2005-08-10 |
Family
ID=18669568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011221623A Expired - Fee Related CN1214468C (zh) | 2000-06-02 | 2001-06-02 | 垂直mos三极管及其制造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6710402B2 (zh) |
JP (1) | JP3773755B2 (zh) |
CN (1) | CN1214468C (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100449714C (zh) * | 2003-08-01 | 2009-01-07 | 精工电子有限公司 | 制造半导体器件的方法 |
CN102169896A (zh) * | 2010-02-26 | 2011-08-31 | 苏州东微半导体有限公司 | 一种沟槽型功率mos晶体管的制造方法 |
CN102569092A (zh) * | 2010-09-30 | 2012-07-11 | 英飞凌科技奥地利有限公司 | 用于制造电极结构的方法 |
CN106684126A (zh) * | 2016-12-12 | 2017-05-17 | 中航(重庆)微电子有限公司 | 一种沟槽型晶体管器件结构及制作方法 |
CN113299757A (zh) * | 2021-05-21 | 2021-08-24 | 江苏东海半导体科技有限公司 | 一种抑制尖峰电压的mosfet结构及其制造方法 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6921939B2 (en) * | 2000-07-20 | 2005-07-26 | Fairchild Semiconductor Corporation | Power MOSFET and method for forming same using a self-aligned body implant |
US7132712B2 (en) * | 2002-11-05 | 2006-11-07 | Fairchild Semiconductor Corporation | Trench structure having one or more diodes embedded therein adjacent a PN junction |
US6861701B2 (en) * | 2003-03-05 | 2005-03-01 | Advanced Analogic Technologies, Inc. | Trench power MOSFET with planarized gate bus |
JP3930486B2 (ja) | 2004-02-26 | 2007-06-13 | 株式会社東芝 | 半導体装置およびその製造方法 |
US7582931B2 (en) * | 2004-06-04 | 2009-09-01 | Samsung Electronics Co., Ltd. | Recessed gate electrodes having covered layer interfaces and methods of forming the same |
US7352036B2 (en) | 2004-08-03 | 2008-04-01 | Fairchild Semiconductor Corporation | Semiconductor power device having a top-side drain using a sinker trench |
JP4824296B2 (ja) * | 2004-11-04 | 2011-11-30 | 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 |
US7560359B2 (en) * | 2004-11-26 | 2009-07-14 | Samsung Electronics Co., Ltd. | Methods of forming asymmetric recesses and gate structures that fill such recesses and related methods of forming semiconductor devices that include such recesses and gate structures |
JP2006173429A (ja) * | 2004-12-17 | 2006-06-29 | Elpida Memory Inc | 半導体装置の製造方法 |
US20060241797A1 (en) * | 2005-02-17 | 2006-10-26 | Craig Larry V | Method and apparatus for optimizing reproduction of audio source material in an audio system |
US7671441B2 (en) * | 2005-04-05 | 2010-03-02 | International Rectifier Corporation | Trench MOSFET with sidewall spacer gates |
CN102867825B (zh) * | 2005-04-06 | 2016-04-06 | 飞兆半导体公司 | 沟栅场效应晶体管结构及其形成方法 |
US7371627B1 (en) * | 2005-05-13 | 2008-05-13 | Micron Technology, Inc. | Memory array with ultra-thin etched pillar surround gate access transistors and buried data/bit lines |
US7120046B1 (en) | 2005-05-13 | 2006-10-10 | Micron Technology, Inc. | Memory array with surrounding gate access transistors and capacitors with global and staggered local bit lines |
US7888721B2 (en) * | 2005-07-06 | 2011-02-15 | Micron Technology, Inc. | Surround gate access transistors with grown ultra-thin bodies |
US7768051B2 (en) * | 2005-07-25 | 2010-08-03 | Micron Technology, Inc. | DRAM including a vertical surround gate transistor |
US8183113B2 (en) * | 2005-08-24 | 2012-05-22 | Samsung Electronics Co., Ltd. | Methods of forming recessed gate structures including blocking members, and methods of forming semiconductor devices having the recessed gate structures |
US7696567B2 (en) | 2005-08-31 | 2010-04-13 | Micron Technology, Inc | Semiconductor memory device |
US7687342B2 (en) * | 2005-09-01 | 2010-03-30 | Micron Technology, Inc. | Method of manufacturing a memory device |
US7557032B2 (en) | 2005-09-01 | 2009-07-07 | Micron Technology, Inc. | Silicided recessed silicon |
US7416943B2 (en) | 2005-09-01 | 2008-08-26 | Micron Technology, Inc. | Peripheral gate stacks and recessed array gates |
JP4898226B2 (ja) * | 2006-01-10 | 2012-03-14 | セイコーインスツル株式会社 | 縦形mosトランジスタの製造方法 |
US7883965B2 (en) * | 2006-07-31 | 2011-02-08 | Hynix Semiconductor Inc. | Semiconductor device and method for fabricating the same |
US7923373B2 (en) | 2007-06-04 | 2011-04-12 | Micron Technology, Inc. | Pitch multiplication using self-assembling materials |
TW200901382A (en) * | 2007-06-26 | 2009-01-01 | Nanya Technology Corp | Structure of a buried word line |
JP7099115B2 (ja) * | 2018-07-19 | 2022-07-12 | 株式会社デンソー | 半導体装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5034785A (en) * | 1986-03-24 | 1991-07-23 | Siliconix Incorporated | Planar vertical channel DMOS structure |
US5160491A (en) * | 1986-10-21 | 1992-11-03 | Texas Instruments Incorporated | Method of making a vertical MOS transistor |
US5016067A (en) * | 1988-04-11 | 1991-05-14 | Texas Instruments Incorporated | Vertical MOS transistor |
JPH05283702A (ja) * | 1992-04-03 | 1993-10-29 | Hitachi Ltd | 複合制御型半導体装置及びそれを使用した電力変換装置 |
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 |
US5592005A (en) * | 1995-03-31 | 1997-01-07 | Siliconix Incorporated | Punch-through field effect transistor |
US6177734B1 (en) * | 1998-02-27 | 2001-01-23 | Isad Electronic Systems Gmbh & Co. Kg | Starter/generator for an internal combustion engine, especially an engine of a motor vehicle |
JP4077529B2 (ja) * | 1996-05-22 | 2008-04-16 | フェアチャイルドコリア半導体株式会社 | トレンチ拡散mosトランジスタの製造方法 |
JP3431467B2 (ja) * | 1997-09-17 | 2003-07-28 | 株式会社東芝 | 高耐圧半導体装置 |
JP3413569B2 (ja) * | 1998-09-16 | 2003-06-03 | 株式会社日立製作所 | 絶縁ゲート型半導体装置およびその製造方法 |
US6274905B1 (en) * | 1999-06-30 | 2001-08-14 | Fairchild Semiconductor Corporation | Trench structure substantially filled with high-conductivity material |
US6461918B1 (en) * | 1999-12-20 | 2002-10-08 | Fairchild Semiconductor Corporation | Power MOS device with improved gate charge performance |
-
2000
- 2000-06-02 JP JP2000166214A patent/JP3773755B2/ja not_active Expired - Fee Related
-
2001
- 2001-06-02 US US09/872,798 patent/US6710402B2/en not_active Expired - Lifetime
- 2001-06-02 CN CNB011221623A patent/CN1214468C/zh not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100449714C (zh) * | 2003-08-01 | 2009-01-07 | 精工电子有限公司 | 制造半导体器件的方法 |
CN102169896A (zh) * | 2010-02-26 | 2011-08-31 | 苏州东微半导体有限公司 | 一种沟槽型功率mos晶体管的制造方法 |
CN102169896B (zh) * | 2010-02-26 | 2015-02-04 | 苏州东微半导体有限公司 | 一种沟槽型功率mos晶体管的制造方法 |
CN102569092A (zh) * | 2010-09-30 | 2012-07-11 | 英飞凌科技奥地利有限公司 | 用于制造电极结构的方法 |
CN102569092B (zh) * | 2010-09-30 | 2015-04-22 | 英飞凌科技奥地利有限公司 | 用于制造电极结构的方法 |
CN106684126A (zh) * | 2016-12-12 | 2017-05-17 | 中航(重庆)微电子有限公司 | 一种沟槽型晶体管器件结构及制作方法 |
CN113299757A (zh) * | 2021-05-21 | 2021-08-24 | 江苏东海半导体科技有限公司 | 一种抑制尖峰电压的mosfet结构及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20020000608A1 (en) | 2002-01-03 |
CN1214468C (zh) | 2005-08-10 |
JP2001345446A (ja) | 2001-12-14 |
US6710402B2 (en) | 2004-03-23 |
JP3773755B2 (ja) | 2006-05-10 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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: 20160311 Address after: Chiba County, Japan Patentee after: SEIKO INSTR INC Address before: Chiba County, Japan Patentee before: Seiko Instruments Inc. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Chiba County, Japan Patentee after: EPPs Lingke Co. Ltd. Address before: Chiba County, Japan Patentee before: SEIKO INSTR INC |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050810 Termination date: 20200602 |