CN1286185C - 垂直金属-氧化物-半导体晶体管 - Google Patents
垂直金属-氧化物-半导体晶体管 Download PDFInfo
- Publication number
- CN1286185C CN1286185C CNB011116919A CN01111691A CN1286185C CN 1286185 C CN1286185 C CN 1286185C CN B011116919 A CNB011116919 A CN B011116919A CN 01111691 A CN01111691 A CN 01111691A CN 1286185 C CN1286185 C CN 1286185C
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- China
- Prior art keywords
- epitaxially grown
- grown layer
- generates
- grid
- conduction type
- 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.)
- Expired - Fee Related
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 84
- 230000003647 oxidation Effects 0.000 claims description 70
- 238000007254 oxidation reaction Methods 0.000 claims description 70
- 238000000034 method Methods 0.000 claims description 51
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 42
- 229920005591 polysilicon Polymers 0.000 claims description 40
- 238000009792 diffusion process Methods 0.000 claims description 21
- 238000000151 deposition Methods 0.000 claims description 20
- 238000005530 etching Methods 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 229910044991 metal oxide Inorganic materials 0.000 claims 13
- 150000004706 metal oxides Chemical class 0.000 claims 13
- 238000004519 manufacturing process Methods 0.000 abstract description 30
- 239000000758 substrate Substances 0.000 abstract description 5
- 230000003321 amplification Effects 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
- 229910052796 boron Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001259 photo etching Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 101100207343 Antirrhinum majus 1e20 gene Proteins 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000001039 wet etching Methods 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
- H01L29/66—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
- H01L29/781—Inverted VDMOS transistors, i.e. Source-Down 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
- H01L29/40—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
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)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP80756/00 | 2000-03-22 | ||
JP80756/2000 | 2000-03-22 | ||
JP2000080756A JP3949869B2 (ja) | 2000-03-22 | 2000-03-22 | 縦形mosトランジスタ及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1314714A CN1314714A (zh) | 2001-09-26 |
CN1286185C true CN1286185C (zh) | 2006-11-22 |
Family
ID=18597816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011116919A Expired - Fee Related CN1286185C (zh) | 2000-03-22 | 2001-03-22 | 垂直金属-氧化物-半导体晶体管 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6495884B2 (zh) |
JP (1) | JP3949869B2 (zh) |
CN (1) | CN1286185C (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6576516B1 (en) * | 2001-12-31 | 2003-06-10 | General Semiconductor, Inc. | High voltage power MOSFET having a voltage sustaining region that includes doped columns formed by trench etching and diffusion from regions of oppositely doped polysilicon |
US6838722B2 (en) * | 2002-03-22 | 2005-01-04 | Siliconix Incorporated | Structures of and methods of fabricating trench-gated MIS devices |
JP4572541B2 (ja) * | 2004-01-26 | 2010-11-04 | 富士電機システムズ株式会社 | 半導体装置の製造方法 |
WO2006126998A1 (en) * | 2005-05-24 | 2006-11-30 | Vishay-Siliconix | Trench metal oxide semiconductor field effect transistor |
US8426275B2 (en) | 2009-01-09 | 2013-04-23 | Niko Semiconductor Co., Ltd. | Fabrication method of trenched power MOSFET |
TWI435447B (zh) * | 2009-01-09 | 2014-04-21 | Niko Semiconductor Co Ltd | 功率金氧半導體場效電晶體及其製造方法 |
US9425305B2 (en) | 2009-10-20 | 2016-08-23 | Vishay-Siliconix | Structures of and methods of fabricating split gate MIS devices |
US9419129B2 (en) | 2009-10-21 | 2016-08-16 | Vishay-Siliconix | Split gate semiconductor device with curved gate oxide profile |
CN102859699B (zh) | 2010-03-02 | 2016-01-06 | 维西埃-硅化物公司 | 制造双栅极装置的结构和方法 |
DE112012002136T5 (de) | 2011-05-18 | 2014-03-13 | Vishay-Siliconix | Halbleitervorrichtung |
CN103094117B (zh) * | 2011-11-01 | 2015-06-03 | 上海华虹宏力半导体制造有限公司 | 制作底部厚栅氧化层沟槽mos的工艺方法 |
WO2016028943A1 (en) | 2014-08-19 | 2016-02-25 | Vishay-Siliconix | Electronic circuit |
US11217541B2 (en) | 2019-05-08 | 2022-01-04 | Vishay-Siliconix, LLC | Transistors with electrically active chip seal ring and methods of manufacture |
US11218144B2 (en) | 2019-09-12 | 2022-01-04 | Vishay-Siliconix, LLC | Semiconductor device with multiple independent gates |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164325A (en) * | 1987-10-08 | 1992-11-17 | Siliconix Incorporated | Method of making a vertical current flow field effect transistor |
-
2000
- 2000-03-22 JP JP2000080756A patent/JP3949869B2/ja not_active Expired - Lifetime
-
2001
- 2001-01-23 US US09/767,502 patent/US6495884B2/en not_active Expired - Lifetime
- 2001-03-22 CN CNB011116919A patent/CN1286185C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3949869B2 (ja) | 2007-07-25 |
CN1314714A (zh) | 2001-09-26 |
JP2001267572A (ja) | 2001-09-28 |
US6495884B2 (en) | 2002-12-17 |
US20010025986A1 (en) | 2001-10-04 |
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Legal Events
Date | Code | Title | Description |
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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: 20160307 Address after: Chiba County, Japan Patentee after: SEIKO INSTR INC Address before: Chiba County, Japan Patentee before: Seiko Instruments Inc. |
|
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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CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061122 Termination date: 20200322 |
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CF01 | Termination of patent right due to non-payment of annual fee |