NO20080519L - Fremgangsmate for produksjon av hoyrenset silikon - Google Patents

Fremgangsmate for produksjon av hoyrenset silikon

Info

Publication number
NO20080519L
NO20080519L NO20080519A NO20080519A NO20080519L NO 20080519 L NO20080519 L NO 20080519L NO 20080519 A NO20080519 A NO 20080519A NO 20080519 A NO20080519 A NO 20080519A NO 20080519 L NO20080519 L NO 20080519L
Authority
NO
Norway
Prior art keywords
aluminum
production
highly purified
silicon
purity
Prior art date
Application number
NO20080519A
Other languages
English (en)
Inventor
Kunio Saegusa
Toshiharu Yamabayashi
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of NO20080519L publication Critical patent/NO20080519L/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C01B33/021—Preparation
    • C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
    • C01B33/033—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by reduction of silicon halides or halosilanes with a metal or a metallic alloy as the only reducing agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)

Abstract

Det beskrives en fremgangsmåte for fremstilling av høyren silisium der det fremstilles et silisium ved å redusere et halogenert silisium representert ved formel (1) med aluminium. I denne metoden har det aluminium som benyttes som reduksjonsmiddel en renhet på ikke mer enn 99,9 vekt-%. SiHnX4-n (1) I denne formel betyr n et helt tall fra 0 til 3, og X er et halogen valgt blant F, Cl, Br og I. I denne forbindelse er aluminiumets renhet den rest som oppnås etter reduksjon av den totale vektprosentmengde av jern, kobber, gallium, titan, nikkel, natrium, magnesium og sink i aluminiumet.
NO20080519A 2005-06-29 2008-01-28 Fremgangsmate for produksjon av hoyrenset silikon NO20080519L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005189454 2005-06-29
PCT/JP2006/313363 WO2007001093A1 (ja) 2005-06-29 2006-06-28 高純度シリコンの製造方法

Publications (1)

Publication Number Publication Date
NO20080519L true NO20080519L (no) 2008-01-28

Family

ID=37595318

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20080519A NO20080519L (no) 2005-06-29 2008-01-28 Fremgangsmate for produksjon av hoyrenset silikon

Country Status (7)

Country Link
US (1) US20090130015A1 (no)
CN (1) CN101208267A (no)
BR (1) BRPI0614048A2 (no)
DE (1) DE112006001649T5 (no)
NO (1) NO20080519L (no)
TW (1) TW200704587A (no)
WO (1) WO2007001093A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110102301A (ko) * 2008-12-01 2011-09-16 스미또모 가가꾸 가부시끼가이샤 ｎ 형 태양 전지용 실리콘 및 인 첨가 실리콘의 제조 방법
WO2010080777A1 (en) * 2009-01-08 2010-07-15 Bp Corporation North America Inc. Impurity reducing process for silicon and purified silicon material
US8216539B2 (en) 2010-04-14 2012-07-10 Calisolar, Inc. Cascading purification
CN101979318A (zh) * 2010-11-26 2011-02-23 安阳市凤凰光伏科技有限公司 多晶碳头料的处理方法
US9156705B2 (en) * 2010-12-23 2015-10-13 Sunedison, Inc. Production of polycrystalline silicon by the thermal decomposition of dichlorosilane in a fluidized bed reactor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653976A (en) * 1967-05-05 1972-04-04 Gen Motors Corp Thermocouple probe assembly with nickel aluminide tip
US4221590A (en) * 1978-12-26 1980-09-09 Aluminum Company Of America Fractional crystallization process
US4222830A (en) * 1978-12-26 1980-09-16 Aluminum Company Of America Production of extreme purity aluminum
DE3310828A1 (de) * 1983-03-24 1984-09-27 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von silicium
US4612179A (en) * 1985-03-13 1986-09-16 Sri International Process for purification of solid silicon
US4919912A (en) * 1985-10-18 1990-04-24 Ford, Bacon & Davis Incorporated Process for the treatment of sulfur containing gases
DE3824065A1 (de) * 1988-07-15 1990-01-18 Bayer Ag Verfahren zur herstellung von solarsilicium
JP4003271B2 (ja) * 1998-01-12 2007-11-07 Ｊｆｅスチール株式会社 シリコンの一方向凝固装置

Also Published As

Publication number Publication date
WO2007001093A1 (ja) 2007-01-04
TW200704587A (en) 2007-02-01
DE112006001649T5 (de) 2008-05-08
CN101208267A (zh) 2008-06-25
BRPI0614048A2 (pt) 2011-03-09
US20090130015A1 (en) 2009-05-21

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application