CN104637822A - 一种双沟槽场效应管及其制备方法 - Google Patents
一种双沟槽场效应管及其制备方法 Download PDFInfo
- Publication number
- CN104637822A CN104637822A CN201510037208.5A CN201510037208A CN104637822A CN 104637822 A CN104637822 A CN 104637822A CN 201510037208 A CN201510037208 A CN 201510037208A CN 104637822 A CN104637822 A CN 104637822A
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- trench
- contact electrode
- trench gate
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Links
- 230000005669 field effect Effects 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims description 32
- 239000004065 semiconductor Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 phosphonium ion Chemical class 0.000 description 1
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
- H01L29/66007—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
-
- 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
- H01L29/08—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 carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
-
- 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
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 (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510037208.5A CN104637822B (zh) | 2015-01-23 | 2015-01-23 | 一种双沟槽场效应管及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510037208.5A CN104637822B (zh) | 2015-01-23 | 2015-01-23 | 一种双沟槽场效应管及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104637822A true CN104637822A (zh) | 2015-05-20 |
CN104637822B CN104637822B (zh) | 2018-05-11 |
Family
ID=53216416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510037208.5A Active CN104637822B (zh) | 2015-01-23 | 2015-01-23 | 一种双沟槽场效应管及其制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN104637822B (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060205162A1 (en) * | 2005-03-14 | 2006-09-14 | Hynix Semiconductor Inc. | Method for manufacturing semiconductor device with recess channels and asymmetrical junctions |
CN103325685A (zh) * | 2012-03-23 | 2013-09-25 | 无锡维赛半导体有限公司 | 深沟槽功率半导体场效应晶体管及其制作方法 |
CN103545354A (zh) * | 2012-07-10 | 2014-01-29 | 无锡维赛半导体有限公司 | 一种功率晶体管 |
-
2015
- 2015-01-23 CN CN201510037208.5A patent/CN104637822B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060205162A1 (en) * | 2005-03-14 | 2006-09-14 | Hynix Semiconductor Inc. | Method for manufacturing semiconductor device with recess channels and asymmetrical junctions |
CN103325685A (zh) * | 2012-03-23 | 2013-09-25 | 无锡维赛半导体有限公司 | 深沟槽功率半导体场效应晶体管及其制作方法 |
CN103545354A (zh) * | 2012-07-10 | 2014-01-29 | 无锡维赛半导体有限公司 | 一种功率晶体管 |
Also Published As
Publication number | Publication date |
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CN104637822B (zh) | 2018-05-11 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 214135 D2 four, China International Innovation Network, China sensor network, No. 200 Linghu Avenue, new Wu District, Wuxi, Jiangsu. Patentee after: WUXI UNIGROUP MICROELECTRONICS CO.,LTD. Address before: 214000 Second Floor, G8 International Innovation Park, China Sensor Network, 200 Linghu Avenue, Wuxi New District, Jiangsu Province Patentee before: WUXI TONGFANG MICROELECTRONICS Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240613 Address after: 100000 106A, Floor 1, B-1, Zhongguancun Dongsheng Science Park, 66 Xixiaokou Road, Haidian District, Northern Territory, Beijing Patentee after: ZIGUANG TONGXIN MICROELECTRONICS CO.,LTD. Country or region after: China Address before: 214135 Jiangsu Wuxi New District, 200, Linghu Road, China, four floor, D2 International Innovation Park, China sensor network. Patentee before: WUXI UNIGROUP MICROELECTRONICS CO.,LTD. Country or region before: China |