CN105810722B - 一种碳化硅mosfet器件及其制备方法 - Google Patents
一种碳化硅mosfet器件及其制备方法 Download PDFInfo
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- CN105810722B CN105810722B CN201610150734.7A CN201610150734A CN105810722B CN 105810722 B CN105810722 B CN 105810722B CN 201610150734 A CN201610150734 A CN 201610150734A CN 105810722 B CN105810722 B CN 105810722B
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 238000000206 photolithography Methods 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 125000006850 spacer group Chemical group 0.000 claims abstract description 10
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- 150000002500 ions Chemical class 0.000 claims description 30
- 238000001259 photo etching Methods 0.000 claims description 18
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 17
- 229920005591 polysilicon Polymers 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 238000005468 ion implantation Methods 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000001459 lithography Methods 0.000 claims description 4
- 238000001039 wet etching Methods 0.000 claims description 4
- 230000001413 cellular effect Effects 0.000 abstract description 13
- 239000000758 substrate Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 25
- 239000000377 silicon dioxide Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000004026 adhesive bonding Methods 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 238000000137 annealing Methods 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- AHKZTVQIVOEVFO-UHFFFAOYSA-N oxide(2-) Chemical compound [O-2] AHKZTVQIVOEVFO-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000005406 washing Methods 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
- H01L29/68—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
- H01L29/7827—Vertical 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
- H01L29/02—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
-
- 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
- H01L29/66053—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
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- 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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610150734.7A CN105810722B (zh) | 2016-03-16 | 2016-03-16 | 一种碳化硅mosfet器件及其制备方法 |
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CN201610150734.7A CN105810722B (zh) | 2016-03-16 | 2016-03-16 | 一种碳化硅mosfet器件及其制备方法 |
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CN105810722A CN105810722A (zh) | 2016-07-27 |
CN105810722B true CN105810722B (zh) | 2019-04-30 |
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Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107437498B (zh) * | 2017-07-27 | 2020-02-21 | 湖南大学 | 碳化硅mos结构栅氧制备方法及碳化硅mos结构制备方法 |
CN107946180B (zh) * | 2017-11-27 | 2020-05-29 | 北京品捷电子科技有限公司 | 一种在碳化硅基片上快速生长氧化层的方法 |
CN107993974B (zh) * | 2017-11-27 | 2020-05-29 | 北京品捷电子科技有限公司 | 一种碳化硅的选择性氧化方法 |
US11302811B2 (en) | 2018-12-21 | 2022-04-12 | Hitachi Energy Switzerland Ag | Silicon carbide power device with MOS structure and stressor |
CN111354794B (zh) * | 2018-12-24 | 2021-11-05 | 东南大学 | 功率半导体器件及其制造方法 |
CN112786679B (zh) * | 2019-11-08 | 2023-04-14 | 株洲中车时代电气股份有限公司 | 碳化硅mosfet器件的元胞结构及碳化硅mosfet器件 |
CN112164654B (zh) * | 2020-09-25 | 2022-03-29 | 深圳基本半导体有限公司 | 集成肖特基二极管的功率器件及其制造方法 |
WO2022061768A1 (zh) * | 2020-09-25 | 2022-03-31 | 深圳基本半导体有限公司 | 功率器件及其制造方法 |
CN112164653B (zh) * | 2020-09-25 | 2022-03-29 | 深圳基本半导体有限公司 | 功率器件及其基于自对准工艺的制造方法 |
CN114038757B (zh) * | 2021-11-12 | 2023-08-18 | 上海积塔半导体有限公司 | Sic mosfet器件的制备方法 |
CN115101405A (zh) * | 2022-05-30 | 2022-09-23 | 深圳芯能半导体技术有限公司 | 一种具有自对准沟道的碳化硅mosfet器件制备方法 |
CN115424938B (zh) * | 2022-09-22 | 2024-04-05 | 深圳安森德半导体有限公司 | 一种碳化硅mosfet器件的元胞结构制备工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5877515A (en) * | 1995-10-10 | 1999-03-02 | International Rectifier Corporation | SiC semiconductor device |
CN102194885A (zh) * | 2011-05-12 | 2011-09-21 | 西安电子科技大学 | N型隐埋沟道的碳化硅demosfet器件及制备方法 |
CN105070663A (zh) * | 2015-09-07 | 2015-11-18 | 中国科学院微电子研究所 | 一种碳化硅mosfet沟道自对准工艺实现方法 |
CN105161539A (zh) * | 2015-09-10 | 2015-12-16 | 中国科学院微电子研究所 | 碳化硅mosfet器件及其制作方法 |
-
2016
- 2016-03-16 CN CN201610150734.7A patent/CN105810722B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5877515A (en) * | 1995-10-10 | 1999-03-02 | International Rectifier Corporation | SiC semiconductor device |
CN102194885A (zh) * | 2011-05-12 | 2011-09-21 | 西安电子科技大学 | N型隐埋沟道的碳化硅demosfet器件及制备方法 |
CN105070663A (zh) * | 2015-09-07 | 2015-11-18 | 中国科学院微电子研究所 | 一种碳化硅mosfet沟道自对准工艺实现方法 |
CN105161539A (zh) * | 2015-09-10 | 2015-12-16 | 中国科学院微电子研究所 | 碳化硅mosfet器件及其制作方法 |
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Effective date of registration: 20211222 Address after: 311421 building 23, No. 68 Jiangnan Road, Chunjiang street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Institute of Optics and precision machinery Address before: 100083 No. 35, Qinghua East Road, Beijing, Haidian District Patentee before: INSTITUTE OF SEMICONDUCTORS, CHINESE ACADEMY OF SCIENCES |
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Effective date of registration: 20220819 Address after: 311421 room 706, building 23, No. 68 Jiangnan Road, Chunjiang street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Xinke Semiconductor Co.,Ltd. Address before: 311421 building 23, No. 68 Jiangnan Road, Chunjiang street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Institute of Optics and precision machinery |
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