CA2000243A1 - Mode de fabrication de pieces de silice a l'aide d'un creuset de fusion - Google Patents

Mode de fabrication de pieces de silice a l'aide d'un creuset de fusion

Info

Publication number
CA2000243A1
CA2000243A1 CA 2000243 CA2000243A CA2000243A1 CA 2000243 A1 CA2000243 A1 CA 2000243A1 CA 2000243 CA2000243 CA 2000243 CA 2000243 A CA2000243 A CA 2000243A CA 2000243 A1 CA2000243 A1 CA 2000243A1
Authority
CA
Canada
Prior art keywords
meltstock
silicon
impurities
crucible
silica
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.)
Abandoned
Application number
CA 2000243
Other languages
English (en)
Inventor
Frederick Schmid
Chandra P. Khattak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Crystal Systems Inc USA
Original Assignee
Crystal Systems Inc USA
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 Crystal Systems Inc USA filed Critical Crystal Systems Inc USA
Publication of CA2000243A1 publication Critical patent/CA2000243A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02Elements
    • C30B29/06Silicon
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B11/00Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C30B11/008Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method using centrifugal force to the charge

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Silicon Compounds (AREA)
CA 2000243 1988-10-07 1989-10-06 Mode de fabrication de pieces de silice a l'aide d'un creuset de fusion Abandoned CA2000243A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25513688A 1988-10-07 1988-10-07
US255,136 1988-10-07

Publications (1)

Publication Number Publication Date
CA2000243A1 true CA2000243A1 (fr) 1990-04-07

Family

ID=22966994

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2000243 Abandoned CA2000243A1 (fr) 1988-10-07 1989-10-06 Mode de fabrication de pieces de silice a l'aide d'un creuset de fusion

Country Status (2)

Country Link
CA (1) CA2000243A1 (fr)
WO (1) WO1990003952A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492894A (en) * 1991-03-21 1996-02-20 The Procter & Gamble Company Compositions for treating wrinkles comprising a peptide

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8329133B2 (en) 2008-11-03 2012-12-11 Gt Crystal Systems, Llc Method and apparatus for refining metallurgical grade silicon to produce solar grade silicon
DE102009034145B4 (de) 2009-07-20 2015-10-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verwendung der Vorrichtung und Verfahren zur Herstellung von Ingots aus multikristallinem Silizium
US11441235B2 (en) * 2018-12-07 2022-09-13 Showa Denko K.K. Crystal growing apparatus and crucible having a main body portion and a low radiation portion
CN111286785A (zh) * 2018-12-07 2020-06-16 昭和电工株式会社 晶体生长装置以及坩埚
CN110565162B (zh) * 2019-09-23 2024-02-27 大同新成新材料股份有限公司 一种多晶硅用具有保温结构的生产设备及其使用方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2912321A (en) * 1956-09-04 1959-11-10 Helen E Brennan Continuous casting and refining of material
US3012865A (en) * 1957-11-25 1961-12-12 Du Pont Silicon purification process
US3267529A (en) * 1961-10-04 1966-08-23 Heraeus Gmbh W C Apparatus for melting metals under high vacuum
US3265469A (en) * 1964-09-21 1966-08-09 Gen Electric Crystal growing apparatus
US3653432A (en) * 1970-09-01 1972-04-04 Us Army Apparatus and method for unidirectionally solidifying high temperature material
US3929557A (en) * 1973-06-11 1975-12-30 Us Air Force Periodically and alternately accelerating and decelerating rotation rate of a feed crystal
US3898051A (en) * 1973-12-28 1975-08-05 Crystal Syst Crystal growing
DE2623413C2 (de) * 1976-05-25 1985-01-10 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Herstellen von für Halbleiterbauelemente verwendbarem Silicium
US4013501A (en) * 1976-05-27 1977-03-22 Bell Telephone Laboratories, Incorporated Growth of neodymium doped yttrium aluminum garnet crystals
US4094731A (en) * 1976-06-21 1978-06-13 Interlake, Inc. Method of purifying silicon
US4298423A (en) * 1976-12-16 1981-11-03 Semix Incorporated Method of purifying silicon
US4193975A (en) * 1977-11-21 1980-03-18 Union Carbide Corporation Process for the production of improved refined metallurgical silicon
US4243471A (en) * 1978-05-02 1981-01-06 International Business Machines Corporation Method for directional solidification of silicon
US4200671A (en) * 1978-05-05 1980-04-29 The Dow Chemical Company Method for removing paint from a substrate
US4256530A (en) * 1978-12-07 1981-03-17 Crystal Systems Inc. Crystal growing
US4247528A (en) * 1979-04-11 1981-01-27 Dow Corning Corporation Method for producing solar-cell-grade silicon
US4312847A (en) * 1979-05-24 1982-01-26 Aluminum Company Of America Silicon purification system
US4551196A (en) * 1981-05-15 1985-11-05 U.S. Philips Corporation Method of growing crystalline cadmium mercury telluride and crystalline cadmium mercury telluride grown by the method
US4643833A (en) * 1984-05-04 1987-02-17 Siemens Aktiengesellschaft Method for separating solid reaction products from silicon produced in an arc furnace
US4659423A (en) * 1986-04-28 1987-04-21 International Business Machines Corporation Semiconductor crystal growth via variable melt rotation
DE3635064A1 (de) * 1986-10-15 1988-04-21 Bayer Ag Verfahren zur raffination von silicium und derart gereinigtes silicium
US4793894A (en) * 1987-03-10 1988-12-27 North American Philips Corporation Process for crystal growth from solution
US4840699A (en) * 1987-06-12 1989-06-20 Ghemini Technologies Gallium arsenide crystal growth

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492894A (en) * 1991-03-21 1996-02-20 The Procter & Gamble Company Compositions for treating wrinkles comprising a peptide

Also Published As

Publication number Publication date
WO1990003952A1 (fr) 1990-04-19

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Legal Events

Date Code Title Description
FZDE Dead