CN103632959B - 沟槽型肖特基器件结构及其制造方法 - Google Patents
沟槽型肖特基器件结构及其制造方法 Download PDFInfo
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- CN103632959B CN103632959B CN201310571205.0A CN201310571205A CN103632959B CN 103632959 B CN103632959 B CN 103632959B CN 201310571205 A CN201310571205 A CN 201310571205A CN 103632959 B CN103632959 B CN 103632959B
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- silicon
- silicon dioxide
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 73
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 63
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000010703 silicon Substances 0.000 claims abstract description 62
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 59
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 27
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 23
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims description 221
- 238000000407 epitaxy Methods 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 38
- 239000011229 interlayer Substances 0.000 claims description 28
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 26
- 238000003475 lamination Methods 0.000 claims description 25
- 229920005591 polysilicon Polymers 0.000 claims description 25
- 239000003989 dielectric material Substances 0.000 claims description 20
- 239000010936 titanium Substances 0.000 claims description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052681 coesite Inorganic materials 0.000 claims description 14
- 229910052906 cristobalite Inorganic materials 0.000 claims description 14
- 229910052682 stishovite Inorganic materials 0.000 claims description 14
- 229910052905 tridymite Inorganic materials 0.000 claims description 14
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 229910016570 AlCu Inorganic materials 0.000 claims description 8
- 229910020177 SiOF Inorganic materials 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 7
- 229910004129 HfSiO Inorganic materials 0.000 claims description 6
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 238000005036 potential barrier Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 150000001875 compounds Chemical group 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 241000790917 Dioxys <bee> Species 0.000 description 3
- 229910003978 SiClx Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000007792 gaseous phase Substances 0.000 description 3
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XRZCZVQJHOCRCR-UHFFFAOYSA-N [Si].[Pt] Chemical compound [Si].[Pt] XRZCZVQJHOCRCR-UHFFFAOYSA-N 0.000 description 2
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- PEUPIGGLJVUNEU-UHFFFAOYSA-N nickel silicon Chemical compound [Si].[Ni] PEUPIGGLJVUNEU-UHFFFAOYSA-N 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- QKJXFFMKZPQALO-UHFFFAOYSA-N chromium;iron;methane;silicon Chemical compound C.[Si].[Cr].[Fe] QKJXFFMKZPQALO-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 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
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- H01L29/02—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
- H01L29/0603—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
-
- 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
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/6609—Diodes
- H01L29/66143—Schottky diodes
-
- 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
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/872—Schottky diodes
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 (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310571205.0A CN103632959B (zh) | 2013-11-15 | 2013-11-15 | 沟槽型肖特基器件结构及其制造方法 |
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CN201310571205.0A CN103632959B (zh) | 2013-11-15 | 2013-11-15 | 沟槽型肖特基器件结构及其制造方法 |
Publications (2)
Publication Number | Publication Date |
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CN103632959A CN103632959A (zh) | 2014-03-12 |
CN103632959B true CN103632959B (zh) | 2017-01-11 |
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CN201310571205.0A Active CN103632959B (zh) | 2013-11-15 | 2013-11-15 | 沟槽型肖特基器件结构及其制造方法 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106298975B (zh) * | 2015-05-29 | 2019-08-06 | 北大方正集团有限公司 | 一种肖特基二极管及制作方法 |
CN105576045B (zh) * | 2016-01-28 | 2018-04-17 | 杭州立昂微电子股份有限公司 | 一种沟槽肖特基势垒二极管及其制造方法 |
CN107293601B (zh) * | 2016-04-12 | 2021-10-22 | 朱江 | 一种肖特基半导体装置及其制备方法 |
CN105977153B (zh) * | 2016-05-17 | 2019-09-17 | 上海华力微电子有限公司 | 超浅结退火方法 |
CN109004035B (zh) * | 2017-06-07 | 2024-02-13 | 华润微电子(重庆)有限公司 | 肖特基器件结构及其制造方法 |
TWI685106B (zh) * | 2018-03-09 | 2020-02-11 | 全宇昕科技股份有限公司 | 高電壓蕭特基二極體 |
TWI666774B (zh) * | 2018-03-19 | 2019-07-21 | 全宇昕科技股份有限公司 | 高電壓金氧半場效電晶體 |
CN111146295A (zh) * | 2020-02-17 | 2020-05-12 | 捷捷微电(上海)科技有限公司 | 一种半导体功率器件结构及其制造方法 |
JPWO2021215505A1 (zh) * | 2020-04-24 | 2021-10-28 | ||
CN113517193B (zh) * | 2021-04-06 | 2022-03-11 | 江苏新顺微电子股份有限公司 | 一种提高沟槽mos结构肖特基二极管性能的工艺方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1482684A (zh) * | 2002-08-22 | 2004-03-17 | 株式会社电装 | 半导体器件及其制造方法 |
CN101371337A (zh) * | 2005-01-14 | 2009-02-18 | 国际整流器公司 | 具有不同的氧化物厚度的沟槽肖特基势垒二极管 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4877286B2 (ja) * | 2008-07-08 | 2012-02-15 | 株式会社デンソー | 炭化珪素半導体装置およびその製造方法 |
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2013
- 2013-11-15 CN CN201310571205.0A patent/CN103632959B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1482684A (zh) * | 2002-08-22 | 2004-03-17 | 株式会社电装 | 半导体器件及其制造方法 |
CN101371337A (zh) * | 2005-01-14 | 2009-02-18 | 国际整流器公司 | 具有不同的氧化物厚度的沟槽肖特基势垒二极管 |
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CN103632959A (zh) | 2014-03-12 |
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Address after: 401331 No. 25 Xiyong Avenue, Shapingba District, Chongqing Patentee after: CHINA RESOURCES MICROELECTRONICS (CHONGQING) Co.,Ltd. Address before: 401331 No. 25 Xiyong Avenue, Xiyong Town, Shapingba District, Chongqing Patentee before: SKYSILICON Co.,Ltd. |
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Inventor after: Zheng Chenyan Inventor after: Zhang Xiaoxin Inventor after: Fu Jing Inventor before: Zheng Chenyan Inventor before: Zhang Xiaoxin Inventor before: Fu Jing |
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