CN101935041B - 电子束和酸洗提纯多晶硅的方法 - Google Patents
电子束和酸洗提纯多晶硅的方法 Download PDFInfo
- Publication number
- CN101935041B CN101935041B CN2010102885124A CN201010288512A CN101935041B CN 101935041 B CN101935041 B CN 101935041B CN 2010102885124 A CN2010102885124 A CN 2010102885124A CN 201010288512 A CN201010288512 A CN 201010288512A CN 101935041 B CN101935041 B CN 101935041B
- Authority
- CN
- China
- Prior art keywords
- silicon
- electron beam
- phosphorus
- metal impurities
- silicon ingot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 19
- 239000002253 acid Substances 0.000 title claims abstract description 9
- 229920005591 polysilicon Polymers 0.000 title abstract description 9
- 238000005406 washing Methods 0.000 title abstract 4
- 239000012535 impurity Substances 0.000 claims abstract description 36
- 238000010894 electron beam technology Methods 0.000 claims abstract description 30
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000002210 silicon-based material Substances 0.000 claims abstract description 30
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 28
- 239000010703 silicon Substances 0.000 claims abstract description 28
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 24
- 239000011574 phosphorus Substances 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 238000005554 pickling Methods 0.000 claims description 12
- 235000013312 flour Nutrition 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 238000007712 rapid solidification Methods 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-N HF Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 3
- 230000001264 neutralization Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003723 Smelting Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 2
- 230000001112 coagulant Effects 0.000 abstract 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 abstract 1
- 229910021422 solar-grade silicon Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000005272 metallurgy Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N Trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 230000001131 transforming Effects 0.000 description 2
- 239000005052 trichlorosilane Substances 0.000 description 2
- WRXVIGIHVLRVPC-UHFFFAOYSA-N [SiH4].Cl[SiH](Cl)Cl Chemical compound [SiH4].Cl[SiH](Cl)Cl WRXVIGIHVLRVPC-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001627 detrimental Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011031 large scale production Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002000 scavenging Effects 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010102885124A CN101935041B (zh) | 2010-09-13 | 2010-09-13 | 电子束和酸洗提纯多晶硅的方法 |
Applications Claiming Priority (1)
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CN2010102885124A CN101935041B (zh) | 2010-09-13 | 2010-09-13 | 电子束和酸洗提纯多晶硅的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101935041A CN101935041A (zh) | 2011-01-05 |
CN101935041B true CN101935041B (zh) | 2012-09-26 |
Family
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Family Applications (1)
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CN2010102885124A Expired - Fee Related CN101935041B (zh) | 2010-09-13 | 2010-09-13 | 电子束和酸洗提纯多晶硅的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN101935041B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104178809B (zh) * | 2014-09-01 | 2016-08-31 | 大连理工大学 | 一种冶金法制备低金属硼母合金的方法 |
CN106757335A (zh) * | 2016-11-30 | 2017-05-31 | 安徽电气集团股份有限公司 | 一种多晶硅结晶工艺 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101787563A (zh) * | 2010-03-19 | 2010-07-28 | 大连隆田科技有限公司 | 感应和电子束熔炼去除多晶硅中杂质磷和硼的方法及装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010100508A (ja) * | 2008-10-23 | 2010-05-06 | Toyokazu Nakasone | 高純度シリコンの製造方法 |
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2010
- 2010-09-13 CN CN2010102885124A patent/CN101935041B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101787563A (zh) * | 2010-03-19 | 2010-07-28 | 大连隆田科技有限公司 | 感应和电子束熔炼去除多晶硅中杂质磷和硼的方法及装置 |
Non-Patent Citations (2)
Title |
---|
JP特开2010-100508A 2010.05.06 |
罗绮雯 等.冶金法提纯太阳能级硅材料的研究进展.《中国有色冶金》.2008,(第1期),12-14,23. * |
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Publication number | Publication date |
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CN101935041A (zh) | 2011-01-05 |
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ASS | Succession or assignment of patent right |
Owner name: QINGDAO LONGSHENG CRYSTAL SILICON TECHNOLOGY CO., Free format text: FORMER OWNER: DALIAN LONGTIAN TECH. CO., LTD. Effective date: 20120606 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 116025 DALIAN, LIAONING PROVINCE TO: 266000 QINGDAO, SHANDONG PROVINCE |
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TA01 | Transfer of patent application right |
Effective date of registration: 20120606 Address after: Pudong solar energy industry base in Jimo city of Shandong Province, Qingdao City, 266000 Applicant after: Qingdao Longsheng Crystalline Silicon Science & Technology Co., Ltd. Address before: Dalian high tech park, 116025 Liaoning province Lixian street 32B-508 Applicant before: Dalian Longtian Tech. Co., Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20160511 Address after: Dalian high tech Industrial Park in Liaoning province 116025 Lixian Street No. 32 Building B room 508-2 Patentee after: Dalian Longsheng Technology Co., Ltd. Address before: Pudong solar energy industry base in Jimo city of Shandong Province, Qingdao City, 266000 Patentee before: Qingdao Longsheng Crystalline Silicon Science & Technology Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20170913 |
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CF01 | Termination of patent right due to non-payment of annual fee |