CN106910673B - 一种降低SiC外延晶片表面三角形缺陷的外延方法 - Google Patents
一种降低SiC外延晶片表面三角形缺陷的外延方法 Download PDFInfo
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- CN106910673B CN106910673B CN201710120128.5A CN201710120128A CN106910673B CN 106910673 B CN106910673 B CN 106910673B CN 201710120128 A CN201710120128 A CN 201710120128A CN 106910673 B CN106910673 B CN 106910673B
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- trichlorosilane
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- 230000007547 defect Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000000407 epitaxy Methods 0.000 title claims abstract description 22
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000005052 trichlorosilane Substances 0.000 claims abstract description 39
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 25
- 239000001257 hydrogen Substances 0.000 claims abstract description 25
- 239000005977 Ethylene Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 20
- 239000012159 carrier gas Substances 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 230000005587 bubbling Effects 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 1
- 238000010792 warming Methods 0.000 abstract description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 27
- 229910010271 silicon carbide Inorganic materials 0.000 description 26
- 238000005530 etching Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 244000000626 Daucus carota Species 0.000 description 1
- 235000002767 Daucus carota Nutrition 0.000 description 1
- 229910003822 SiHCl3 Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003471 anti-radiation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 229940095676 wafer product Drugs 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02378—Silicon carbide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02441—Group 14 semiconducting materials
- H01L21/02447—Silicon carbide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02494—Structure
- H01L21/02496—Layer structure
- H01L21/02502—Layer structure consisting of two layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02529—Silicon carbide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
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CN201710120128.5A CN106910673B (zh) | 2017-03-02 | 2017-03-02 | 一种降低SiC外延晶片表面三角形缺陷的外延方法 |
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CN201710120128.5A CN106910673B (zh) | 2017-03-02 | 2017-03-02 | 一种降低SiC外延晶片表面三角形缺陷的外延方法 |
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CN106910673A CN106910673A (zh) | 2017-06-30 |
CN106910673B true CN106910673B (zh) | 2019-05-21 |
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Families Citing this family (5)
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CN109518271A (zh) * | 2017-09-18 | 2019-03-26 | 上海新昇半导体科技有限公司 | 一种SiC外延表面的预处理及外延生长方法 |
CN111463117B (zh) * | 2020-04-27 | 2022-05-06 | 中国电子科技集团公司第四十六研究所 | 一种高频器件用硅外延片的制备方法 |
CN111554565A (zh) * | 2020-05-08 | 2020-08-18 | 四川广瑞半导体有限公司 | 硅8英寸大功率元器件外延片制备工艺 |
CN113078205B (zh) * | 2021-03-30 | 2023-05-02 | 安徽长飞先进半导体有限公司 | 基于Al-N共掺的SiC外延结构及其制备方法 |
CN113564710B (zh) * | 2021-07-19 | 2022-08-23 | 瀚天天成电子科技(厦门)有限公司 | 一种碳化硅外延生长的控制方法 |
Citations (2)
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CN104851781A (zh) * | 2015-06-08 | 2015-08-19 | 国网智能电网研究院 | 一种n型低偏角碳化硅外延片的制备方法 |
CN106435722A (zh) * | 2015-08-05 | 2017-02-22 | 三菱电机株式会社 | 碳化硅外延晶片的制造方法及制造装置 |
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CN103370454B (zh) * | 2011-04-21 | 2015-09-09 | 新日铁住金株式会社 | 外延碳化硅单晶基板及其制造方法 |
KR101947926B1 (ko) * | 2014-07-16 | 2019-02-13 | 쇼와 덴코 가부시키가이샤 | 에피택셜 탄화규소 웨이퍼의 제조 방법 |
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CN104851781A (zh) * | 2015-06-08 | 2015-08-19 | 国网智能电网研究院 | 一种n型低偏角碳化硅外延片的制备方法 |
CN106435722A (zh) * | 2015-08-05 | 2017-02-22 | 三菱电机株式会社 | 碳化硅外延晶片的制造方法及制造装置 |
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Denomination of invention: Method for reducing surface triangular defects of SiC epitaxial wafer Effective date of registration: 20190715 Granted publication date: 20190521 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN TIANYU SEMICONDUCTOR TECHNOLOGY Co.,Ltd. Registration number: 2019440000263 |
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Address after: 523000 second floor office building, No.5, Gongye North 1st Road, Hubei Industrial City, Songshan, Dongguan City, Guangdong Province Patentee after: Guangdong Tianyu Semiconductor Co.,Ltd. Address before: 523000 second floor office building, No.5, Gongye North 1st Road, Hubei Industrial City, Songshan, Dongguan City, Guangdong Province Patentee before: DONGGUAN TIANYU SEMICONDUCTOR TECHNOLOGY Co.,Ltd. |
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Date of cancellation: 20230406 Granted publication date: 20190521 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN TIANYU SEMICONDUCTOR TECHNOLOGY Co.,Ltd. Registration number: 2019440000263 |
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Denomination of invention: An epitaxial method for reducing triangular defects on the surface of SiC epitaxial wafers Effective date of registration: 20230512 Granted publication date: 20190521 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: Guangdong Tianyu Semiconductor Co.,Ltd. Registration number: Y2023980040499 |
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Granted publication date: 20190521 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: Guangdong Tianyu Semiconductor Co.,Ltd. Registration number: Y2023980040499 |
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