CN113990919A - 碳化硅半导体结构、器件及制备方法 - Google Patents
碳化硅半导体结构、器件及制备方法 Download PDFInfo
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- CN113990919A CN113990919A CN202111185003.3A CN202111185003A CN113990919A CN 113990919 A CN113990919 A CN 113990919A CN 202111185003 A CN202111185003 A CN 202111185003A CN 113990919 A CN113990919 A CN 113990919A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 72
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000000758 substrate Substances 0.000 claims abstract description 104
- 239000002184 metal Substances 0.000 claims description 42
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000012216 screening Methods 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 230000005684 electric field Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract description 6
- 238000005468 ion implantation Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000002207 thermal evaporation Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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- H01L29/0615—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 by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
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- H01L29/76—Unipolar devices, e.g. field effect transistors
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- 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
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
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Abstract
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CN202111185003.3A CN113990919A (zh) | 2021-10-12 | 2021-10-12 | 碳化硅半导体结构、器件及制备方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115966594A (zh) * | 2022-12-30 | 2023-04-14 | 深圳真茂佳半导体有限公司 | 保护栅极电荷平衡的mosfet器件及其制造方法 |
WO2023213053A1 (zh) * | 2022-05-06 | 2023-11-09 | 湖北九峰山实验室 | 碳化硅mosfet器件及其制作方法 |
CN117832284A (zh) * | 2024-03-01 | 2024-04-05 | 湖北九峰山实验室 | 一种功率器件及其制造方法 |
CN118053760A (zh) * | 2024-04-16 | 2024-05-17 | 泰科天润半导体科技(北京)有限公司 | 一种抑制漏极电压过冲的碳化硅vdmos的制备方法 |
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JP2012069797A (ja) * | 2010-09-24 | 2012-04-05 | Toyota Motor Corp | 絶縁ゲート型トランジスタ |
US20140264564A1 (en) * | 2013-03-13 | 2014-09-18 | Cree, Inc. | Field Effect Transistor Devices with Buried Well Protection Regions |
US20150053999A1 (en) * | 2013-08-23 | 2015-02-26 | Fuji Electric Co., Ltd. | Wide bandgap insulated gate semiconductor device |
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CN106876471A (zh) * | 2017-03-31 | 2017-06-20 | 西安电子科技大学 | 双槽umosfet器件 |
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CN107731893A (zh) * | 2017-09-02 | 2018-02-23 | 西安交通大学 | 一种带浮空区的低导通电阻双沟槽碳化硅igbt器件与制备方法 |
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CN109952656A (zh) * | 2016-11-11 | 2019-06-28 | 住友电气工业株式会社 | 碳化硅半导体器件 |
US20190237536A1 (en) * | 2016-03-31 | 2019-08-01 | Sumitomo Electric Industries, Ltd. | Silicon carbide semiconductor device |
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2021
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Patent Citations (10)
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JP2012069797A (ja) * | 2010-09-24 | 2012-04-05 | Toyota Motor Corp | 絶縁ゲート型トランジスタ |
US20140264564A1 (en) * | 2013-03-13 | 2014-09-18 | Cree, Inc. | Field Effect Transistor Devices with Buried Well Protection Regions |
US20150053999A1 (en) * | 2013-08-23 | 2015-02-26 | Fuji Electric Co., Ltd. | Wide bandgap insulated gate semiconductor device |
US20160276464A1 (en) * | 2014-07-25 | 2016-09-22 | Su Zhou Oriental Semiconductor Co.,Ltd | Power mos transistor and manufacturing method therefor |
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CN109952656A (zh) * | 2016-11-11 | 2019-06-28 | 住友电气工业株式会社 | 碳化硅半导体器件 |
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CN106876471A (zh) * | 2017-03-31 | 2017-06-20 | 西安电子科技大学 | 双槽umosfet器件 |
CN107658214A (zh) * | 2017-09-02 | 2018-02-02 | 西安交通大学 | 一种双沟槽的带浮空区的低导通电阻碳化硅mosfet器件与制备方法 |
CN107731893A (zh) * | 2017-09-02 | 2018-02-23 | 西安交通大学 | 一种带浮空区的低导通电阻双沟槽碳化硅igbt器件与制备方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023213053A1 (zh) * | 2022-05-06 | 2023-11-09 | 湖北九峰山实验室 | 碳化硅mosfet器件及其制作方法 |
CN115966594A (zh) * | 2022-12-30 | 2023-04-14 | 深圳真茂佳半导体有限公司 | 保护栅极电荷平衡的mosfet器件及其制造方法 |
CN115966594B (zh) * | 2022-12-30 | 2023-08-08 | 深圳真茂佳半导体有限公司 | 保护栅极电荷平衡的mosfet器件及其制造方法 |
CN117832284A (zh) * | 2024-03-01 | 2024-04-05 | 湖北九峰山实验室 | 一种功率器件及其制造方法 |
CN117832284B (zh) * | 2024-03-01 | 2024-05-24 | 湖北九峰山实验室 | 一种功率器件及其制造方法 |
CN118053760A (zh) * | 2024-04-16 | 2024-05-17 | 泰科天润半导体科技(北京)有限公司 | 一种抑制漏极电压过冲的碳化硅vdmos的制备方法 |
CN118053760B (zh) * | 2024-04-16 | 2024-06-25 | 泰科天润半导体科技(北京)有限公司 | 一种抑制漏极电压过冲的碳化硅vdmos的制备方法 |
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