CN104032368B - 一种高效多晶硅锭的制备方法 - Google Patents
一种高效多晶硅锭的制备方法 Download PDFInfo
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- CN104032368B CN104032368B CN201410185709.3A CN201410185709A CN104032368B CN 104032368 B CN104032368 B CN 104032368B CN 201410185709 A CN201410185709 A CN 201410185709A CN 104032368 B CN104032368 B CN 104032368B
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- forming core
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 85
- 239000010703 silicon Substances 0.000 title claims abstract description 85
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 44
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000002210 silicon-based material Substances 0.000 claims abstract description 35
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 25
- 239000007787 solid Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000004576 sand Substances 0.000 claims abstract description 21
- 239000011268 mixed slurry Substances 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 60
- 238000002425 crystallisation Methods 0.000 claims description 18
- 230000008025 crystallization Effects 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000004781 supercooling Methods 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 8
- XJKVPKYVPCWHFO-UHFFFAOYSA-N silicon;hydrate Chemical compound O.[Si] XJKVPKYVPCWHFO-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 235000012431 wafers Nutrition 0.000 claims description 5
- 239000013078 crystal Substances 0.000 abstract description 16
- 239000011449 brick Substances 0.000 abstract description 13
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 210000001787 dendrite Anatomy 0.000 abstract description 3
- 238000010899 nucleation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- -1 silicon nitrides Chemical class 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Silicon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (7)
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CN104032368A CN104032368A (zh) | 2014-09-10 |
CN104032368B true CN104032368B (zh) | 2016-05-25 |
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Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105442041A (zh) * | 2014-09-29 | 2016-03-30 | 晶科能源有限公司 | 一种高效多晶铸锭晶体生长方法 |
CN104651931A (zh) * | 2014-10-29 | 2015-05-27 | 江苏美科硅能源有限公司 | 一种可控制形核、杂质扩散的多晶铸锭用石英坩埚及其制备方法 |
CN104630885A (zh) * | 2015-03-17 | 2015-05-20 | 重庆大全新能源有限公司 | 一种多晶硅铸锭的生产方法 |
CN104831349A (zh) * | 2015-05-26 | 2015-08-12 | 江西旭阳雷迪高科技股份有限公司 | 一种多晶硅铸锭提高硅片品质的方法 |
CN105133006A (zh) * | 2015-09-11 | 2015-12-09 | 浙江芯能光伏科技股份有限公司 | 一种多晶硅铸锭铺底料及其制备方法和应用 |
CN105063751A (zh) * | 2015-09-17 | 2015-11-18 | 晶科能源有限公司 | 一种铸锭制作方法 |
CN105256370A (zh) * | 2015-10-27 | 2016-01-20 | 镇江环太硅科技有限公司 | 一种具有光滑内表面的高纯坩埚的制备方法 |
CN105177710B (zh) * | 2015-10-28 | 2017-08-25 | 镇江环太硅科技有限公司 | 一种新型全熔高效坩埚的制备方法 |
CN105220228A (zh) * | 2015-10-28 | 2016-01-06 | 镇江环太硅科技有限公司 | 一种具有均匀细小晶粒的全熔高效锭的制备方法 |
CN105821473B (zh) * | 2015-10-29 | 2018-11-06 | 江苏美科硅能源有限公司 | 一种具有低底部粘埚率的半熔高效锭制备方法 |
CN105603507B (zh) * | 2016-02-03 | 2018-11-06 | 江西赛维Ldk太阳能高科技有限公司 | 一种籽晶的铺设方法、类单晶硅锭的制备方法和类单晶硅片 |
CN107326445A (zh) * | 2017-07-24 | 2017-11-07 | 宜昌南玻硅材料有限公司 | 一种改变坩埚结构以提高铸锭质量的方法 |
CN107460544A (zh) * | 2017-07-31 | 2017-12-12 | 江西赛维Ldk太阳能高科技有限公司 | 多晶硅铸锭用坩埚及其制备方法、多晶硅锭及其制备方法 |
CN109402733A (zh) * | 2018-09-26 | 2019-03-01 | 江苏美科硅能源有限公司 | 一种低金属污染的全熔高效硅锭的制备方法 |
CN109680331A (zh) * | 2019-01-21 | 2019-04-26 | 安徽华顺半导体发展有限公司 | 一种低缺陷多晶硅的铸锭方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103361722A (zh) * | 2013-07-23 | 2013-10-23 | 江西赛维Ldk太阳能高科技有限公司 | 多晶硅锭及其制备方法、多晶硅片和多晶硅铸锭用坩埚 |
CN103420618A (zh) * | 2013-09-05 | 2013-12-04 | 蠡县英利新能源有限公司 | 太阳能电池坩埚及其喷涂方法 |
CN103469293A (zh) * | 2013-09-02 | 2013-12-25 | 湖南红太阳光电科技有限公司 | 一种多晶硅的制备方法 |
CN103484935A (zh) * | 2013-09-16 | 2014-01-01 | 镇江荣德新能源科技有限公司 | 一种石英坩埚及其制造方法 |
CN203485502U (zh) * | 2013-07-30 | 2014-03-19 | 东海晶澳太阳能科技有限公司 | 一种用于生产高效多晶硅铸锭的石英坩埚涂层 |
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2014
- 2014-05-05 CN CN201410185709.3A patent/CN104032368B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103361722A (zh) * | 2013-07-23 | 2013-10-23 | 江西赛维Ldk太阳能高科技有限公司 | 多晶硅锭及其制备方法、多晶硅片和多晶硅铸锭用坩埚 |
CN203485502U (zh) * | 2013-07-30 | 2014-03-19 | 东海晶澳太阳能科技有限公司 | 一种用于生产高效多晶硅铸锭的石英坩埚涂层 |
CN103469293A (zh) * | 2013-09-02 | 2013-12-25 | 湖南红太阳光电科技有限公司 | 一种多晶硅的制备方法 |
CN103420618A (zh) * | 2013-09-05 | 2013-12-04 | 蠡县英利新能源有限公司 | 太阳能电池坩埚及其喷涂方法 |
CN103484935A (zh) * | 2013-09-16 | 2014-01-01 | 镇江荣德新能源科技有限公司 | 一种石英坩埚及其制造方法 |
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Address after: 212200 No. 198 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Meike Solar Energy Technology Co.,Ltd. Address before: 212200 No. 198 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Meike Solar Energy Technology Co.,Ltd. |
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