CN110578171B - 一种大尺寸低缺陷碳化硅单晶的制造方法 - Google Patents
一种大尺寸低缺陷碳化硅单晶的制造方法 Download PDFInfo
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- CN110578171B CN110578171B CN201910396099.4A CN201910396099A CN110578171B CN 110578171 B CN110578171 B CN 110578171B CN 201910396099 A CN201910396099 A CN 201910396099A CN 110578171 B CN110578171 B CN 110578171B
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- 239000013078 crystal Substances 0.000 title claims abstract description 166
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 13
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 28
- 238000011065 in-situ storage Methods 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000001657 homoepitaxy Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 10
- 238000001953 recrystallisation Methods 0.000 abstract description 10
- 230000008022 sublimation Effects 0.000 abstract description 10
- 238000000859 sublimation Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 description 14
- 125000004429 atom Chemical group 0.000 description 7
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
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- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
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- 238000005498 polishing Methods 0.000 description 3
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- 238000011160 research Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000000407 epitaxy Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000000879 optical micrograph Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/002—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/002—Controlling or regulating
- C30B23/005—Controlling or regulating flux or flow of depositing species or vapour
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/02—Epitaxial-layer growth
- C30B23/025—Epitaxial-layer growth characterised by the substrate
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/36—Carbides
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- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
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KR102235858B1 (ko) * | 2020-04-09 | 2021-04-02 | 에스케이씨 주식회사 | 탄화규소 잉곳의 제조방법 및 탄화규소 잉곳 제조용 시스템 |
CN114540954B (zh) * | 2020-11-25 | 2022-12-09 | 北京天科合达半导体股份有限公司 | 碳化硅单晶片、晶体及制备方法、半导体器件 |
CN113078050B (zh) * | 2021-03-30 | 2023-03-10 | 安徽长飞先进半导体有限公司 | 一种C面SiC外延结构及外延沟槽的填充方法 |
CN113026106B (zh) * | 2021-05-19 | 2021-08-10 | 浙江大学杭州国际科创中心 | 一种碳化硅晶体的生长工艺 |
CN113502541A (zh) * | 2021-06-21 | 2021-10-15 | 苏州优晶光电科技有限公司 | 一种补充气态碳源和硅源的碳化硅晶体生长方法及设备 |
CN113622031B (zh) * | 2021-08-18 | 2022-04-12 | 山东天岳先进科技股份有限公司 | 一种阻挡碳化硅晶体边缘小角晶界向内延伸的方法及晶体 |
CN113445128A (zh) * | 2021-09-01 | 2021-09-28 | 浙江大学杭州国际科创中心 | 低微管密度碳化硅单晶制备方法及碳化硅单晶 |
CN114277442B (zh) * | 2022-03-07 | 2022-05-17 | 浙江大学杭州国际科创中心 | 一种低位错密度的碳化硅单晶生长方法 |
CN114832764A (zh) * | 2022-04-19 | 2022-08-02 | 连城凯克斯科技有限公司 | 一种大装料量碳化硅粉料装置及其合成方法 |
CN114921849B (zh) * | 2022-06-08 | 2024-11-01 | 中材人工晶体研究院(山东)有限公司 | 一种pvt法生长碳化硅晶体的方法 |
CN117385467B (zh) * | 2023-12-12 | 2024-02-13 | 乾晶半导体(衢州)有限公司 | 一种制备碳化硅晶体的方法及碳化硅晶体 |
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CN108018605A (zh) * | 2016-11-03 | 2018-05-11 | 北京七星华创电子股份有限公司 | 籽晶处理方法及碳化硅晶体生长方法 |
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Application publication date: 20191217 Assignee: Shenzhen Reinvested Tianke Semiconductor Co.,Ltd. Assignor: TANKEBLUE SEMICONDUCTOR Co.,Ltd.|BEIJING TIANKE HEDA NEW MATERIAL CO.,LTD.|Jiangsu tiankeheda Semiconductor Co.,Ltd.|XINJIANG TANKEBLUE SEMICONDUCTOR Co.,Ltd. Contract record no.: X2023990000675 Denomination of invention: A Manufacturing Method for Large Size Low Defect Silicon Carbide Single Crystal Granted publication date: 20210108 License type: Common License Record date: 20230725 |