CN113005510B - 一种碳化硅单晶的制备方法 - Google Patents
一种碳化硅单晶的制备方法 Download PDFInfo
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- CN113005510B CN113005510B CN202110200687.3A CN202110200687A CN113005510B CN 113005510 B CN113005510 B CN 113005510B CN 202110200687 A CN202110200687 A CN 202110200687A CN 113005510 B CN113005510 B CN 113005510B
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- Prior art keywords
- crucible
- silicon carbide
- composite
- single crystal
- carbide single
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- 239000013078 crystal Substances 0.000 title claims abstract description 58
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 7
- 239000004065 semiconductor Substances 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 8
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 235000009161 Espostoa lanata Nutrition 0.000 description 2
- 240000001624 Espostoa lanata Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005092 sublimation method Methods 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004943 liquid phase epitaxy Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
实施方式 | 实施例1 | 对比例1 | 对比例2 |
穿透螺型个/cm<sup>2</sup> | 92 | 450 | 430 |
穿透刃型个/cm<sup>2</sup> | 3500 | 28000 | 26500 |
Claims (7)
Priority Applications (1)
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CN202110200687.3A CN113005510B (zh) | 2021-02-23 | 2021-02-23 | 一种碳化硅单晶的制备方法 |
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CN202110200687.3A CN113005510B (zh) | 2021-02-23 | 2021-02-23 | 一种碳化硅单晶的制备方法 |
Publications (2)
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CN113005510A CN113005510A (zh) | 2021-06-22 |
CN113005510B true CN113005510B (zh) | 2022-11-11 |
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Families Citing this family (1)
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CN117585678A (zh) * | 2023-11-30 | 2024-02-23 | 宁波合盛新材料有限公司 | 一种用于pvt炉合成碳化硅粉新热场的吸氮处理方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103320851A (zh) * | 2013-06-05 | 2013-09-25 | 中国科学院上海硅酸盐研究所 | 大尺寸15r 碳化硅晶体的制备方法 |
CN104233458A (zh) * | 2014-09-30 | 2014-12-24 | 中国科学院上海硅酸盐研究所 | 一种碳化硅晶体生长用的石墨籽晶托 |
TWI663297B (zh) * | 2017-10-06 | 2019-06-21 | 環球晶圓股份有限公司 | 碳化矽晶體及其製造方法 |
CN108048911A (zh) * | 2017-12-20 | 2018-05-18 | 中国科学院上海硅酸盐研究所 | 一种采用物理气相沉积技术生长大尺寸碳化硅晶体的方法 |
CN109234800B (zh) * | 2018-11-02 | 2021-12-17 | 山东天岳先进科技股份有限公司 | 一种用于制备碳化硅单晶的可调节热场结构 |
CN109518276B (zh) * | 2018-11-02 | 2020-08-07 | 山东天岳先进材料科技有限公司 | 一种高品质碳化硅晶体的制备方法及其装置 |
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Effective date of registration: 20230504 Address after: No.132, Fanrong street, Nangang District, Harbin City, Heilongjiang Province Patentee after: Yao Tai Address before: 210000 No. 96, Shidai Avenue, Liuhe Economic Development Zone, Liuhe District, Nanjing, Jiangsu Province Patentee before: Nanjing hongtaijing Intelligent Equipment Technology Co.,Ltd. |
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Effective date of registration: 20231024 Address after: Floor 18, Building 13, Science and Technology Industrial Park, No. 717, Wuhu High-tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province, 241000 Patentee after: Wuhu Yuqin Semiconductor Technology Co.,Ltd. Address before: No.132, Fanrong street, Nangang District, Harbin City, Heilongjiang Province Patentee before: Yao Tai |