CN106591937B - 一种凹陷式类单晶籽晶铸锭熔化结晶工艺 - Google Patents
一种凹陷式类单晶籽晶铸锭熔化结晶工艺 Download PDFInfo
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- CN106591937B CN106591937B CN201710019679.2A CN201710019679A CN106591937B CN 106591937 B CN106591937 B CN 106591937B CN 201710019679 A CN201710019679 A CN 201710019679A CN 106591937 B CN106591937 B CN 106591937B
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- Prior art keywords
- silicon
- seed
- crystal
- crucible
- ingot
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- 239000013078 crystal Substances 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000002844 melting Methods 0.000 title claims abstract description 19
- 230000008018 melting Effects 0.000 title claims abstract description 19
- 230000000994 depressogenic effect Effects 0.000 title claims abstract description 15
- 238000002425 crystallisation Methods 0.000 title claims abstract description 7
- 230000008025 crystallization Effects 0.000 title claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 43
- 239000010703 silicon Substances 0.000 claims abstract description 43
- 239000002210 silicon-based material Substances 0.000 claims abstract description 26
- 239000000872 buffer Substances 0.000 claims abstract description 17
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 16
- 239000011449 brick Substances 0.000 claims abstract description 16
- 238000005266 casting Methods 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 235000013311 vegetables Nutrition 0.000 claims description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 9
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 4
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- NBGBEUITCPENLJ-UHFFFAOYSA-N Bunazosin hydrochloride Chemical compound Cl.C1CN(C(=O)CCC)CCCN1C1=NC(N)=C(C=C(OC)C(OC)=C2)C2=N1 NBGBEUITCPENLJ-UHFFFAOYSA-N 0.000 claims 1
- 238000005457 optimization Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 14
- 230000007547 defect Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 229910003978 SiClx Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005090 crystal field Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008216 herbs Nutrition 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/04—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method adding crystallising materials or reactants forming it in situ to the 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
Abstract
Description
Claims (1)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710019679.2A CN106591937B (zh) | 2017-01-12 | 2017-01-12 | 一种凹陷式类单晶籽晶铸锭熔化结晶工艺 |
PCT/CN2017/119326 WO2018130078A1 (zh) | 2017-01-12 | 2017-12-28 | 一种凹陷式类单晶籽晶铸锭熔化结晶工艺 |
ZA2019/04720A ZA201904720B (en) | 2017-01-12 | 2019-07-18 | Process for ingot casting, melting, and crystallization of mono-like seed crystal in concave fashion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710019679.2A CN106591937B (zh) | 2017-01-12 | 2017-01-12 | 一种凹陷式类单晶籽晶铸锭熔化结晶工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106591937A CN106591937A (zh) | 2017-04-26 |
CN106591937B true CN106591937B (zh) | 2019-11-26 |
Family
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Family Applications (1)
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CN201710019679.2A Active CN106591937B (zh) | 2017-01-12 | 2017-01-12 | 一种凹陷式类单晶籽晶铸锭熔化结晶工艺 |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN106591937B (zh) |
WO (1) | WO2018130078A1 (zh) |
ZA (1) | ZA201904720B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106591937B (zh) * | 2017-01-12 | 2019-11-26 | 南通大学 | 一种凹陷式类单晶籽晶铸锭熔化结晶工艺 |
CN109161965A (zh) * | 2018-09-12 | 2019-01-08 | 晶科能源有限公司 | 铸造类单晶制备方法 |
CN113802179B (zh) * | 2020-06-17 | 2023-06-06 | 苏州阿特斯阳光电力科技有限公司 | 类单晶铸锭籽晶铺设设备及其控制方法 |
CN113943975B (zh) * | 2020-07-15 | 2023-04-07 | 苏州阿特斯阳光电力科技有限公司 | 铸锭生长硅晶体的装料方法 |
CN114481319A (zh) * | 2020-10-26 | 2022-05-13 | 福建新峰二维材料科技有限公司 | 一种减少位错缺陷及多晶占比的铸造晶硅制备方法 |
CN113186596B (zh) * | 2021-05-06 | 2023-03-24 | 南通大学 | 一种基于分层式装料方式的再生多晶硅铸锭工艺 |
CN116514579A (zh) * | 2023-03-31 | 2023-08-01 | 徐州协鑫太阳能材料有限公司 | 一种多晶铸锭用黑砂全熔高效坩埚及制备方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3368113B2 (ja) * | 1995-09-05 | 2003-01-20 | シャープ株式会社 | 多結晶半導体の製造方法 |
FR2908125B1 (fr) * | 2006-11-02 | 2009-11-20 | Commissariat Energie Atomique | Procede de purification de silicium metallurgique par solidification dirigee |
CN101928980B (zh) * | 2010-09-17 | 2012-10-03 | 浙江碧晶科技有限公司 | 一种用于定向凝固法生长硅晶体的引晶导向模 |
CN101935867A (zh) * | 2010-09-17 | 2011-01-05 | 浙江大学 | 一种生长大晶粒铸造多晶硅的方法 |
CN102758242B (zh) * | 2011-04-25 | 2015-04-08 | 江西赛维Ldk太阳能高科技有限公司 | 一种单晶硅铸锭的装料方法及单晶硅铸锭方法 |
CN102268724B (zh) * | 2011-07-28 | 2014-04-16 | 英利能源(中国)有限公司 | 多晶硅锭及其制造方法、太阳能电池 |
CN202440564U (zh) * | 2011-12-31 | 2012-09-19 | 英利能源(中国)有限公司 | 一种类单晶硅铸锭炉及其所用籽晶 |
CN202945375U (zh) * | 2012-11-16 | 2013-05-22 | 晶科能源有限公司 | 一种多晶铸锭炉中保护籽晶完整性的装置 |
CN102936747B (zh) * | 2012-12-07 | 2015-06-10 | 天威新能源控股有限公司 | 一种采用大尺寸坩埚铸锭类单晶的方法 |
CN203474952U (zh) * | 2013-09-09 | 2014-03-12 | 江苏协鑫硅材料科技发展有限公司 | 铸锭用石英坩埚 |
FR3026414B1 (fr) * | 2014-09-26 | 2019-04-12 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Creuset pour la cristallisation de silicium multi-cristallin ou quasi-monocristallin par reprise sur germe |
CN104532343B (zh) * | 2014-11-07 | 2017-06-06 | 江苏美科硅能源有限公司 | 一种半熔高效锭的制备方法及其半熔高效籽晶保留辅助板 |
CN104499046B (zh) * | 2014-12-15 | 2017-02-22 | 山西潞安太阳能科技有限责任公司 | 一种多晶硅锭制备方法 |
CN105316758A (zh) * | 2015-11-11 | 2016-02-10 | 常州天合光能有限公司 | 一种籽晶的铺设方法及铸锭单晶生长方法 |
CN105369351B (zh) * | 2015-12-17 | 2017-11-28 | 江西赛维Ldk太阳能高科技有限公司 | 一种多晶硅锭及其制备方法和多晶硅片 |
CN105568365B (zh) * | 2016-02-03 | 2018-04-17 | 江西赛维Ldk太阳能高科技有限公司 | 一种籽晶铺设方法、晶体硅及其制备方法 |
CN205474106U (zh) * | 2016-04-05 | 2016-08-17 | 晶科能源有限公司 | 一种保护籽晶型坩埚 |
CN205529143U (zh) * | 2016-04-29 | 2016-08-31 | 晶科能源有限公司 | 多晶硅铸锭炉及应用于多晶硅铸锭炉内的装置 |
CN106012008A (zh) * | 2016-07-26 | 2016-10-12 | 晶科能源有限公司 | 一种用于多晶硅铸锭工艺的装料方法 |
CN106591937B (zh) * | 2017-01-12 | 2019-11-26 | 南通大学 | 一种凹陷式类单晶籽晶铸锭熔化结晶工艺 |
-
2017
- 2017-01-12 CN CN201710019679.2A patent/CN106591937B/zh active Active
- 2017-12-28 WO PCT/CN2017/119326 patent/WO2018130078A1/zh active Application Filing
-
2019
- 2019-07-18 ZA ZA2019/04720A patent/ZA201904720B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN106591937A (zh) | 2017-04-26 |
ZA201904720B (en) | 2020-02-26 |
WO2018130078A1 (zh) | 2018-07-19 |
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TR01 | Transfer of patent right |
Effective date of registration: 20210622 Address after: 226019 No.205, building 6, Nantong University, No.9, Siyuan Road, Nantong City, Jiangsu Province Patentee after: Center for technology transfer, Nantong University Address before: 226000 Jiangsu city of Nantong province sik Road No. 9 Patentee before: NANTONG University |
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TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: 226001 No.9, Siyuan Road, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Nantong University Technology Transfer Center Co.,Ltd. Address before: 226019 No.205, building 6, Nantong University, No.9, Siyuan Road, Nantong City, Jiangsu Province Patentee before: Center for technology transfer, Nantong University |
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CP03 | Change of name, title or address | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170426 Assignee: Nantong Guanjun Automation Technology Co.,Ltd. Assignor: Nantong University Technology Transfer Center Co.,Ltd. Contract record no.: X2023980054513 Denomination of invention: A concave type single crystal seed crystal ingot melting and crystallization process Granted publication date: 20191126 License type: Common License Record date: 20231229 |
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EE01 | Entry into force of recordation of patent licensing contract |