CN106684146A - 一种栅自对准型碳化硅mosfet及其制备方法 - Google Patents
一种栅自对准型碳化硅mosfet及其制备方法 Download PDFInfo
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- CN106684146A CN106684146A CN201510767499.3A CN201510767499A CN106684146A CN 106684146 A CN106684146 A CN 106684146A CN 201510767499 A CN201510767499 A CN 201510767499A CN 106684146 A CN106684146 A CN 106684146A
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- silicon carbide
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 196
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 238000002360 preparation method Methods 0.000 title claims abstract description 40
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 31
- 229920005591 polysilicon Polymers 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000002243 precursor Substances 0.000 claims abstract description 19
- 150000002500 ions Chemical class 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 131
- 239000000758 substrate Substances 0.000 claims description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 229910052681 coesite Inorganic materials 0.000 claims description 31
- 229910052906 cristobalite Inorganic materials 0.000 claims description 31
- 239000000377 silicon dioxide Substances 0.000 claims description 31
- 229910052682 stishovite Inorganic materials 0.000 claims description 31
- 229910052905 tridymite Inorganic materials 0.000 claims description 31
- 229910045601 alloy Inorganic materials 0.000 claims description 27
- 239000000956 alloy Substances 0.000 claims description 27
- 229920002120 photoresistant polymer Polymers 0.000 claims description 18
- 238000005530 etching Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 14
- 230000008719 thickening Effects 0.000 claims description 12
- 230000001590 oxidative effect Effects 0.000 claims description 8
- 238000005229 chemical vapour deposition Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910003978 SiClx Inorganic materials 0.000 claims description 5
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- -1 nitrogen ion Chemical class 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 238000006701 autoxidation reaction Methods 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- XCWPUUGSGHNIDZ-UHFFFAOYSA-N Oxypertine Chemical compound C1=2C=C(OC)C(OC)=CC=2NC(C)=C1CCN(CC1)CCN1C1=CC=CC=C1 XCWPUUGSGHNIDZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052710 silicon Inorganic materials 0.000 abstract description 12
- 239000010703 silicon Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 235000012431 wafers Nutrition 0.000 description 14
- 239000000243 solution Substances 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000005468 ion implantation Methods 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 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
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
-
- 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
- H01L29/42324—Gate electrodes for transistors with a floating 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
-
- 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
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
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 (10)
Priority Applications (1)
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CN201510767499.3A CN106684146B (zh) | 2015-11-11 | 2015-11-11 | 一种栅自对准型碳化硅mosfet及其制备方法 |
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CN201510767499.3A CN106684146B (zh) | 2015-11-11 | 2015-11-11 | 一种栅自对准型碳化硅mosfet及其制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN106684146A true CN106684146A (zh) | 2017-05-17 |
CN106684146B CN106684146B (zh) | 2020-03-24 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107546115A (zh) * | 2017-09-07 | 2018-01-05 | 中国工程物理研究院电子工程研究所 | 一种SiC高压功率器件欧姆接触的制备方法 |
CN111192921A (zh) * | 2019-08-14 | 2020-05-22 | 深圳方正微电子有限公司 | 碳化硅绝缘栅场效应晶体管栅氧化层的制备方法 |
CN111477679A (zh) * | 2020-04-17 | 2020-07-31 | 重庆伟特森电子科技有限公司 | 不对称沟槽型SiC-MOSFET栅的制备方法 |
CN113745118A (zh) * | 2021-09-03 | 2021-12-03 | 派恩杰半导体(杭州)有限公司 | 一种碳化硅功率器件及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02203564A (ja) * | 1989-01-31 | 1990-08-13 | Sharp Corp | 炭化珪素半導体装置 |
US6221700B1 (en) * | 1998-07-31 | 2001-04-24 | Denso Corporation | Method of manufacturing silicon carbide semiconductor device with high activation rate of impurities |
US20100301929A1 (en) * | 2009-06-02 | 2010-12-02 | Cree, Inc. | Power Switching Devices Having Controllable Surge Current Capabilities |
US20120228631A1 (en) * | 2011-03-10 | 2012-09-13 | Kabushiki Kaisha Toshiba | Semiconductor device and method of manufacturing the same |
-
2015
- 2015-11-11 CN CN201510767499.3A patent/CN106684146B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02203564A (ja) * | 1989-01-31 | 1990-08-13 | Sharp Corp | 炭化珪素半導体装置 |
US6221700B1 (en) * | 1998-07-31 | 2001-04-24 | Denso Corporation | Method of manufacturing silicon carbide semiconductor device with high activation rate of impurities |
US20100301929A1 (en) * | 2009-06-02 | 2010-12-02 | Cree, Inc. | Power Switching Devices Having Controllable Surge Current Capabilities |
US20120228631A1 (en) * | 2011-03-10 | 2012-09-13 | Kabushiki Kaisha Toshiba | Semiconductor device and method of manufacturing the same |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107546115A (zh) * | 2017-09-07 | 2018-01-05 | 中国工程物理研究院电子工程研究所 | 一种SiC高压功率器件欧姆接触的制备方法 |
CN111192921A (zh) * | 2019-08-14 | 2020-05-22 | 深圳方正微电子有限公司 | 碳化硅绝缘栅场效应晶体管栅氧化层的制备方法 |
CN111477679A (zh) * | 2020-04-17 | 2020-07-31 | 重庆伟特森电子科技有限公司 | 不对称沟槽型SiC-MOSFET栅的制备方法 |
CN111477679B (zh) * | 2020-04-17 | 2023-06-13 | 重庆伟特森电子科技有限公司 | 不对称沟槽型SiC-MOSFET栅的制备方法 |
CN113745118A (zh) * | 2021-09-03 | 2021-12-03 | 派恩杰半导体(杭州)有限公司 | 一种碳化硅功率器件及其制备方法 |
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Publication number | Publication date |
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CN106684146B (zh) | 2020-03-24 |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CSR TIMES ELECTRIC Co.,Ltd. |
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Effective date of registration: 20200930 Address after: 412001 Room 309, floor 3, semiconductor third line office building, Tianxin hi tech park, Shifeng District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou CRRC times Semiconductor Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. |