CN112038234B - SiC MOSFET器件及其制造方法 - Google Patents
SiC MOSFET器件及其制造方法 Download PDFInfo
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- CN112038234B CN112038234B CN202010812855.XA CN202010812855A CN112038234B CN 112038234 B CN112038234 B CN 112038234B CN 202010812855 A CN202010812855 A CN 202010812855A CN 112038234 B CN112038234 B CN 112038234B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 109
- 230000004888 barrier function Effects 0.000 claims abstract description 100
- 239000000758 substrate Substances 0.000 claims abstract description 87
- 238000000034 method Methods 0.000 claims abstract description 55
- 238000005468 ion implantation Methods 0.000 claims abstract description 29
- 238000005530 etching Methods 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 177
- 239000004020 conductor Substances 0.000 claims description 23
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 19
- 229920005591 polysilicon Polymers 0.000 claims description 19
- 239000011229 interlayer Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000000151 deposition Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 15
- 230000008569 process Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 oxynitrides Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
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- 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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- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
- H01L21/0455—Making n or p doped regions or layers, e.g. using diffusion
- H01L21/046—Making n or p doped regions or layers, e.g. using diffusion using ion implantation
- H01L21/0465—Making n or p doped regions or layers, e.g. using diffusion using ion implantation using masks
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/7602—Making of isolation regions between components between components manufactured in an active substrate comprising SiC compounds
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
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- H01L21/761—PN junctions
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- H01L29/0692—Surface layout
- H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
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- H01L29/1025—Channel region of field-effect devices
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- H01L29/1095—Body region, i.e. base region, of DMOS transistors or IGBTs
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- H01L29/1608—Silicon carbide
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Abstract
Description
Claims (27)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010812855.XA CN112038234B (zh) | 2020-08-13 | 2020-08-13 | SiC MOSFET器件及其制造方法 |
US17/394,879 US20220052176A1 (en) | 2020-08-13 | 2021-08-05 | Silicon carbide metal-oxide-semiconductor field-effect transistor device and manufacturing method thereof |
TW110129671A TWI812995B (zh) | 2020-08-13 | 2021-08-11 | SiC MOSFET器件的製造方法 |
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CN202010812855.XA CN112038234B (zh) | 2020-08-13 | 2020-08-13 | SiC MOSFET器件及其制造方法 |
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CN112038234A CN112038234A (zh) | 2020-12-04 |
CN112038234B true CN112038234B (zh) | 2022-11-22 |
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US (1) | US20220052176A1 (zh) |
CN (1) | CN112038234B (zh) |
TW (1) | TWI812995B (zh) |
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CN112117193B (zh) | 2020-09-21 | 2023-05-16 | 杭州芯迈半导体技术有限公司 | 碳化硅mosfet器件及其制造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1777982A (zh) * | 2003-04-24 | 2006-05-24 | 克里公司 | 具有自对准的源区和阱区的碳化硅功率器件及其制备方法 |
US20120164810A1 (en) * | 2010-12-22 | 2012-06-28 | Sumitomo Electric Industries, Ltd. | Method of manufacturing silicon carbide semiconductor device |
US20120184092A1 (en) * | 2011-01-17 | 2012-07-19 | Sumitomo Electric Industries, Ltd. | Method for manufacturing silicon carbide semiconductor device |
US20180286963A1 (en) * | 2015-12-02 | 2018-10-04 | Abb Schweiz Ag | Semiconductor device and method for manufacturing such a semiconductor device |
CN109148590A (zh) * | 2018-08-30 | 2019-01-04 | 全球能源互联网研究院有限公司 | 半导体器件及其制备方法 |
US20200020533A1 (en) * | 2018-07-12 | 2020-01-16 | Alpha Power Solutions Limited | Semiconductor Devices and Methods of Making the Same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US5729037A (en) * | 1996-04-26 | 1998-03-17 | Megamos Corporation | MOSFET structure and fabrication process for decreasing threshold voltage |
CN1173411C (zh) * | 2000-11-21 | 2004-10-27 | 松下电器产业株式会社 | 半导体器件及其制造方法 |
TWI246181B (en) * | 2004-07-29 | 2005-12-21 | Silicon Based Tech Corp | Scalable planar DMOS transistor structure and its fabricating methods |
US7208785B2 (en) * | 2004-12-20 | 2007-04-24 | Silicon-Based Technology Corp. | Self-aligned Schottky-barrier clamped planar DMOS transistor structure and its manufacturing methods |
US8643104B1 (en) * | 2012-08-14 | 2014-02-04 | United Microelectronics Corp. | Lateral diffusion metal oxide semiconductor transistor structure |
WO2014207793A1 (ja) * | 2013-06-24 | 2014-12-31 | 株式会社日立製作所 | 半導体装置およびその製造方法 |
US10424635B2 (en) * | 2016-04-06 | 2019-09-24 | Littelfuse, Inc. | High voltage semiconductor device with guard rings and method associated therewith |
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2020
- 2020-08-13 CN CN202010812855.XA patent/CN112038234B/zh active Active
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2021
- 2021-08-05 US US17/394,879 patent/US20220052176A1/en active Pending
- 2021-08-11 TW TW110129671A patent/TWI812995B/zh active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1777982A (zh) * | 2003-04-24 | 2006-05-24 | 克里公司 | 具有自对准的源区和阱区的碳化硅功率器件及其制备方法 |
US20120164810A1 (en) * | 2010-12-22 | 2012-06-28 | Sumitomo Electric Industries, Ltd. | Method of manufacturing silicon carbide semiconductor device |
US20120184092A1 (en) * | 2011-01-17 | 2012-07-19 | Sumitomo Electric Industries, Ltd. | Method for manufacturing silicon carbide semiconductor device |
US20180286963A1 (en) * | 2015-12-02 | 2018-10-04 | Abb Schweiz Ag | Semiconductor device and method for manufacturing such a semiconductor device |
US20180350602A1 (en) * | 2015-12-02 | 2018-12-06 | Abb Schweiz Ag | Semiconductor device and method for manufacturing such a semiconductor device |
US20200020533A1 (en) * | 2018-07-12 | 2020-01-16 | Alpha Power Solutions Limited | Semiconductor Devices and Methods of Making the Same |
CN109148590A (zh) * | 2018-08-30 | 2019-01-04 | 全球能源互联网研究院有限公司 | 半导体器件及其制备方法 |
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Publication number | Publication date |
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TW202213540A (zh) | 2022-04-01 |
CN112038234A (zh) | 2020-12-04 |
TWI812995B (zh) | 2023-08-21 |
US20220052176A1 (en) | 2022-02-17 |
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