NL8104333A - Werkwijze voor de vervaardiging van siliciumgietelingen. - Google Patents

Werkwijze voor de vervaardiging van siliciumgietelingen. Download PDF

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Publication number
NL8104333A
NL8104333A NL8104333A NL8104333A NL8104333A NL 8104333 A NL8104333 A NL 8104333A NL 8104333 A NL8104333 A NL 8104333A NL 8104333 A NL8104333 A NL 8104333A NL 8104333 A NL8104333 A NL 8104333A
Authority
NL
Netherlands
Prior art keywords
silicon
process according
impurities
crucible
molten
Prior art date
Application number
NL8104333A
Other languages
English (en)
Dutch (nl)
Original Assignee
Crystal Syst
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 Syst filed Critical Crystal Syst
Publication of NL8104333A publication Critical patent/NL8104333A/nl

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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
    • C30B11/003Heating or cooling of the melt or the crystallised material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/12Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type

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)
  • Electroplating Methods And Accessories (AREA)
NL8104333A 1980-09-26 1981-09-21 Werkwijze voor de vervaardiging van siliciumgietelingen. NL8104333A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19126080A 1980-09-26 1980-09-26
US19126080 1980-09-26

Publications (1)

Publication Number Publication Date
NL8104333A true NL8104333A (nl) 1982-04-16

Family

ID=22704771

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8104333A NL8104333A (nl) 1980-09-26 1981-09-21 Werkwijze voor de vervaardiging van siliciumgietelingen.

Country Status (9)

Country Link
JP (1) JPS5785667A (fr)
BE (1) BE890508A (fr)
CA (1) CA1193522A (fr)
CH (1) CH653714A5 (fr)
DE (1) DE3138227A1 (fr)
FR (1) FR2491095B1 (fr)
GB (1) GB2084978B (fr)
IT (1) IT1144865B (fr)
NL (1) NL8104333A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2908125B1 (fr) * 2006-11-02 2009-11-20 Commissariat Energie Atomique Procede de purification de silicium metallurgique par solidification dirigee
TW201012988A (en) * 2008-08-27 2010-04-01 Bp Corp North America Inc Gas recirculation heat exchanger for casting silicon
US20110180229A1 (en) * 2010-01-28 2011-07-28 Memc Singapore Pte. Ltd. (Uen200614794D) Crucible For Use In A Directional Solidification Furnace
US20120248286A1 (en) 2011-03-31 2012-10-04 Memc Singapore Pte. Ltd. (Uen200614794D) Systems For Insulating Directional Solidification Furnaces

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933164A1 (de) * 1979-08-16 1981-02-26 Consortium Elektrochem Ind Verfahren zum reinigen von rohsilicium

Also Published As

Publication number Publication date
IT8168211A0 (it) 1981-09-16
IT1144865B (it) 1986-10-29
DE3138227A1 (de) 1982-07-22
GB2084978B (en) 1984-07-04
FR2491095B1 (fr) 1986-08-22
GB2084978A (en) 1982-04-21
JPS5785667A (en) 1982-05-28
CH653714A5 (de) 1986-01-15
BE890508A (fr) 1982-01-18
FR2491095A1 (fr) 1982-04-02
CA1193522A (fr) 1985-09-17

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed