ZA201904720B - Process for ingot casting, melting, and crystallization of mono-like seed crystal in concave fashion - Google Patents

Process for ingot casting, melting, and crystallization of mono-like seed crystal in concave fashion

Info

Publication number
ZA201904720B
ZA201904720B ZA2019/04720A ZA201904720A ZA201904720B ZA 201904720 B ZA201904720 B ZA 201904720B ZA 2019/04720 A ZA2019/04720 A ZA 2019/04720A ZA 201904720 A ZA201904720 A ZA 201904720A ZA 201904720 B ZA201904720 B ZA 201904720B
Authority
ZA
South Africa
Prior art keywords
crystallization
mono
melting
seed crystal
ingot casting
Prior art date
Application number
ZA2019/04720A
Inventor
Qiang Wang
Min You
Yun Chen
Jie Deng
Haifeng Zhu
Guoan Zhang
Original Assignee
Univ Nantong
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Nantong filed Critical Univ Nantong
Publication of ZA201904720B publication Critical patent/ZA201904720B/en

Links

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
ZA2019/04720A 2017-01-12 2019-07-18 Process for ingot casting, melting, and crystallization of mono-like seed crystal in concave fashion ZA201904720B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710019679.2A CN106591937B (en) 2017-01-12 2017-01-12 A kind of ingot melting crystallization processes of depressed class single crystal seed
PCT/CN2017/119326 WO2018130078A1 (en) 2017-01-12 2017-12-28 Process for ingot casting, melting, and crystallization of mono-like seed crystal in concave fashion

Publications (1)

Publication Number Publication Date
ZA201904720B true ZA201904720B (en) 2020-02-26

Family

ID=58583275

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (3)

Country Link
CN (1) CN106591937B (en)
WO (1) WO2018130078A1 (en)
ZA (1) ZA201904720B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106591937B (en) * 2017-01-12 2019-11-26 南通大学 A kind of ingot melting crystallization processes of depressed class single crystal seed
CN109161965A (en) * 2018-09-12 2019-01-08 晶科能源有限公司 Cast class method for preparing single crystal
CN113802179B (en) * 2020-06-17 2023-06-06 苏州阿特斯阳光电力科技有限公司 Single-crystal-like ingot casting seed crystal laying equipment and control method thereof
CN113943975B (en) * 2020-07-15 2023-04-07 苏州阿特斯阳光电力科技有限公司 Charging method for ingot growing silicon crystal
CN114481319A (en) * 2020-10-26 2022-05-13 福建新峰二维材料科技有限公司 Cast crystalline silicon preparation method capable of reducing dislocation defects and polycrystalline proportion
CN113186596B (en) * 2021-05-06 2023-03-24 南通大学 Regenerative polycrystalline silicon ingot casting process based on layered charging mode
CN116514579A (en) * 2023-03-31 2023-08-01 徐州协鑫太阳能材料有限公司 Black sand full-melting efficient crucible for polycrystalline ingot casting and preparation method

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JP3368113B2 (en) * 1995-09-05 2003-01-20 シャープ株式会社 Manufacturing method of polycrystalline semiconductor
FR2908125B1 (en) * 2006-11-02 2009-11-20 Commissariat Energie Atomique PROCESS FOR PURIFYING METALLURGICAL SILICON BY DIRECTED SOLIDIFICATION
CN101935867A (en) * 2010-09-17 2011-01-05 浙江大学 Method for growing large-grain cast multicrystalline silicon
CN101928980B (en) * 2010-09-17 2012-10-03 浙江碧晶科技有限公司 Seeding guidance die for growing silicon crystal by directional solidification method
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CN102268724B (en) * 2011-07-28 2014-04-16 英利能源（中国）有限公司 Polycrystalline silicon ingot and manufacturing method thereof as well as solar cell
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CN202945375U (en) * 2012-11-16 2013-05-22 晶科能源有限公司 Device for protecting seed crystal integrity in polycrystal ingot furnace
CN102936747B (en) * 2012-12-07 2015-06-10 天威新能源控股有限公司 Method for casting ingot of pseudo-single crystal through large-sized crucible
CN203474952U (en) * 2013-09-09 2014-03-12 江苏协鑫硅材料科技发展有限公司 Quartz crucible for ingot casting
FR3026414B1 (en) * 2014-09-26 2019-04-12 Commissariat A L'energie Atomique Et Aux Energies Alternatives CREUSET FOR CRYSTALLIZING MULTI-CRYSTALLINE SILICON OR QUASI-MONOCRYSTALLINE BY REPEATING ON GERM
CN104532343B (en) * 2014-11-07 2017-06-06 江苏美科硅能源有限公司 The preparation method and its fritting high-efficiency seed crystal of a kind of efficient ingot of fritting retain accessory plate
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CN106591937B (en) * 2017-01-12 2019-11-26 南通大学 A kind of ingot melting crystallization processes of depressed class single crystal seed

Also Published As

Publication number Publication date
CN106591937A (en) 2017-04-26
CN106591937B (en) 2019-11-26
WO2018130078A1 (en) 2018-07-19

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