CN107785417A - 碳化硅功率器件及其制造方法 - Google Patents
碳化硅功率器件及其制造方法 Download PDFInfo
- Publication number
- CN107785417A CN107785417A CN201610719335.8A CN201610719335A CN107785417A CN 107785417 A CN107785417 A CN 107785417A CN 201610719335 A CN201610719335 A CN 201610719335A CN 107785417 A CN107785417 A CN 107785417A
- Authority
- CN
- China
- Prior art keywords
- layer
- silicon carbide
- power device
- carbide power
- gate
- 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.)
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Links
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 77
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 63
- 230000001413 cellular effect Effects 0.000 claims abstract description 61
- 238000005530 etching Methods 0.000 claims abstract description 52
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 11
- 239000007943 implant Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 9
- 229920005591 polysilicon Polymers 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000001312 dry etching Methods 0.000 claims description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 claims 2
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 118
- 238000000407 epitaxy Methods 0.000 description 18
- 239000002184 metal Substances 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 6
- 238000000151 deposition Methods 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/0684—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 the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
- H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66053—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide
- H01L29/66068—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide 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
Abstract
Description
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610719335.8A CN107785417A (zh) | 2016-08-25 | 2016-08-25 | 碳化硅功率器件及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610719335.8A CN107785417A (zh) | 2016-08-25 | 2016-08-25 | 碳化硅功率器件及其制造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107785417A true CN107785417A (zh) | 2018-03-09 |
Family
ID=61393141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610719335.8A Pending CN107785417A (zh) | 2016-08-25 | 2016-08-25 | 碳化硅功率器件及其制造方法 |
Country Status (1)
Country | Link |
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CN (1) | CN107785417A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020057425A1 (zh) * | 2018-09-21 | 2020-03-26 | 无锡华润上华科技有限公司 | 垂直双扩散半导体元器件及其制造方法 |
CN113113487A (zh) * | 2020-01-13 | 2021-07-13 | 张清纯 | 半导体器件及其制备方法 |
CN113594030A (zh) * | 2021-07-27 | 2021-11-02 | 中国科学院微电子研究所 | 一种场效应晶体管器件的栅极结构制作方法及场效应晶体管器件 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101533776A (zh) * | 2008-03-11 | 2009-09-16 | 海力士半导体有限公司 | 制造半导体存储器件的方法 |
CN104241338A (zh) * | 2014-09-29 | 2014-12-24 | 中国科学院微电子研究所 | 一种SiC金属氧化物半导体晶体管及其制作方法 |
WO2016021077A1 (ja) * | 2014-08-08 | 2016-02-11 | 株式会社日立製作所 | 半導体装置、パワーモジュール、電力変換装置、自動車および鉄道車両 |
-
2016
- 2016-08-25 CN CN201610719335.8A patent/CN107785417A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101533776A (zh) * | 2008-03-11 | 2009-09-16 | 海力士半导体有限公司 | 制造半导体存储器件的方法 |
WO2016021077A1 (ja) * | 2014-08-08 | 2016-02-11 | 株式会社日立製作所 | 半導体装置、パワーモジュール、電力変換装置、自動車および鉄道車両 |
CN104241338A (zh) * | 2014-09-29 | 2014-12-24 | 中国科学院微电子研究所 | 一种SiC金属氧化物半导体晶体管及其制作方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020057425A1 (zh) * | 2018-09-21 | 2020-03-26 | 无锡华润上华科技有限公司 | 垂直双扩散半导体元器件及其制造方法 |
CN113113487A (zh) * | 2020-01-13 | 2021-07-13 | 张清纯 | 半导体器件及其制备方法 |
CN113594030A (zh) * | 2021-07-27 | 2021-11-02 | 中国科学院微电子研究所 | 一种场效应晶体管器件的栅极结构制作方法及场效应晶体管器件 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20191202 Address after: 518119 1 Yanan Road, Kwai Chung street, Dapeng New District, Shenzhen, Guangdong Applicant after: Shenzhen BYD Microelectronics Co., Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Applicant before: Biyadi Co., Ltd. |
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CB02 | Change of applicant information |
Address after: 518118 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Applicant after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |
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CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Applicant after: BYD Semiconductor Co.,Ltd. Address before: 518118 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Applicant before: BYD Semiconductor Co.,Ltd. |
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180309 |
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RJ01 | Rejection of invention patent application after publication |