CN115323488A - 直拉单晶硅的工艺方法及生产系统 - Google Patents
直拉单晶硅的工艺方法及生产系统 Download PDFInfo
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- CN115323488A CN115323488A CN202210981391.4A CN202210981391A CN115323488A CN 115323488 A CN115323488 A CN 115323488A CN 202210981391 A CN202210981391 A CN 202210981391A CN 115323488 A CN115323488 A CN 115323488A
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- 238000000034 method Methods 0.000 title claims abstract description 73
- 229910021421 monocrystalline silicon Inorganic materials 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 178
- 239000013078 crystal Substances 0.000 claims abstract description 154
- 229910052786 argon Inorganic materials 0.000 claims abstract description 89
- 238000002844 melting Methods 0.000 claims abstract description 46
- 230000008018 melting Effects 0.000 claims abstract description 46
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010703 silicon Substances 0.000 claims abstract description 39
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 26
- 229910052814 silicon oxide Inorganic materials 0.000 abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 239000010453 quartz Substances 0.000 abstract description 8
- 238000002425 crystallisation Methods 0.000 abstract description 7
- 230000008025 crystallization Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 239000000377 silicon dioxide Substances 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract 1
- SBEQWOXEGHQIMW-UHFFFAOYSA-N silicon Chemical compound [Si].[Si] SBEQWOXEGHQIMW-UHFFFAOYSA-N 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 12
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 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
- C30B27/00—Single-crystal growth under a protective fluid
- C30B27/02—Single-crystal growth under a protective fluid by pulling from a melt
-
- 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
- C30B29/02—Elements
- C30B29/06—Silicon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210981391.4A CN115323488A (zh) | 2022-08-16 | 2022-08-16 | 直拉单晶硅的工艺方法及生产系统 |
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CN202210981391.4A CN115323488A (zh) | 2022-08-16 | 2022-08-16 | 直拉单晶硅的工艺方法及生产系统 |
Publications (1)
Publication Number | Publication Date |
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CN115323488A true CN115323488A (zh) | 2022-11-11 |
Family
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Family Applications (1)
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CN202210981391.4A Pending CN115323488A (zh) | 2022-08-16 | 2022-08-16 | 直拉单晶硅的工艺方法及生产系统 |
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CN (1) | CN115323488A (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104357901A (zh) * | 2014-10-30 | 2015-02-18 | 内蒙古中环光伏材料有限公司 | 一种降低直拉单晶氧施主的方法 |
CN105019017A (zh) * | 2015-06-30 | 2015-11-04 | 内蒙古中环光伏材料有限公司 | 一种降低直拉单晶硅中氧含量的方法 |
CN106319620A (zh) * | 2015-07-01 | 2017-01-11 | 宁夏隆基硅材料有限公司 | 一种直拉单晶的拉晶方法 |
CN108411360A (zh) * | 2018-04-13 | 2018-08-17 | 内蒙古中环光伏材料有限公司 | 一种全氮生长直拉硅单晶的方法 |
CN112011824A (zh) * | 2020-07-30 | 2020-12-01 | 英利能源(中国)有限公司 | 一种减少直拉单晶硅内部气孔的方法 |
CN112301425A (zh) * | 2019-07-31 | 2021-02-02 | 内蒙古中环光伏材料有限公司 | 一种大尺寸单晶硅棒大氩气流量拉晶方法 |
WO2021139228A1 (zh) * | 2020-01-10 | 2021-07-15 | 郑州合晶硅材料有限公司 | 掺磷单晶硅生产中防尘爆的抽真空方法及应用其的掺磷单晶硅生产方法 |
CN113652737A (zh) * | 2021-01-08 | 2021-11-16 | 隆基绿能科技股份有限公司 | 一种单晶硅拉晶工艺方法 |
-
2022
- 2022-08-16 CN CN202210981391.4A patent/CN115323488A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104357901A (zh) * | 2014-10-30 | 2015-02-18 | 内蒙古中环光伏材料有限公司 | 一种降低直拉单晶氧施主的方法 |
CN105019017A (zh) * | 2015-06-30 | 2015-11-04 | 内蒙古中环光伏材料有限公司 | 一种降低直拉单晶硅中氧含量的方法 |
CN106319620A (zh) * | 2015-07-01 | 2017-01-11 | 宁夏隆基硅材料有限公司 | 一种直拉单晶的拉晶方法 |
CN108411360A (zh) * | 2018-04-13 | 2018-08-17 | 内蒙古中环光伏材料有限公司 | 一种全氮生长直拉硅单晶的方法 |
CN112301425A (zh) * | 2019-07-31 | 2021-02-02 | 内蒙古中环光伏材料有限公司 | 一种大尺寸单晶硅棒大氩气流量拉晶方法 |
WO2021139228A1 (zh) * | 2020-01-10 | 2021-07-15 | 郑州合晶硅材料有限公司 | 掺磷单晶硅生产中防尘爆的抽真空方法及应用其的掺磷单晶硅生产方法 |
CN112011824A (zh) * | 2020-07-30 | 2020-12-01 | 英利能源(中国)有限公司 | 一种减少直拉单晶硅内部气孔的方法 |
CN113652737A (zh) * | 2021-01-08 | 2021-11-16 | 隆基绿能科技股份有限公司 | 一种单晶硅拉晶工艺方法 |
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Effective date of registration: 20221216 Address after: 412000 Room 518-50, Building 1, Longxin International, No. 255, Tongxia Road, Tongtangwan Street, Shifeng District, Zhuzhou City, Hunan Province Applicant after: Sany Silicon Energy (Zhuzhou) Co.,Ltd. Address before: 3rd Floor, Sany Administration Center, Sanyi Industrial City, Sanyi Road, Economic Development Zone, Changsha City, Hunan Province, 410100 Applicant before: SANY GROUP Co.,Ltd. |
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Effective date of registration: 20231215 Address after: 036899 No. 2-1, Wei'er Road, Pinglu Economic and Technological Development Zone, Shuozhou City, Shanxi Province Applicant after: Sany Silicon Energy (Shuozhou) Co.,Ltd. Address before: 412000 Room 518-50, Building 1, Longxin International, No. 255, Tongxia Road, Tongtangwan Street, Shifeng District, Zhuzhou City, Hunan Province Applicant before: Sany Silicon Energy (Zhuzhou) Co.,Ltd. |