GB749423A - Method of refining silicon - Google Patents

Method of refining silicon

Info

Publication number
GB749423A
GB749423A GB28360/54A GB2836054A GB749423A GB 749423 A GB749423 A GB 749423A GB 28360/54 A GB28360/54 A GB 28360/54A GB 2836054 A GB2836054 A GB 2836054A GB 749423 A GB749423 A GB 749423A
Authority
GB
United Kingdom
Prior art keywords
silicon
rod
treatment
refining silicon
refining
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
Application number
GB28360/54A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB749423A publication Critical patent/GB749423A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Silicon Compounds (AREA)

Abstract

In the "zone-refining" of silicon, a rod of silicon is subjected to treatment while maintained in a vertical position in an oxidizing atmosphere, e.g. air or oxygen. Treatment may be effected by passing a high frequency electric heating coil along the rod.
GB28360/54A 1953-10-02 1954-10-01 Method of refining silicon Expired GB749423A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE749423X 1953-10-02

Publications (1)

Publication Number Publication Date
GB749423A true GB749423A (en) 1956-05-23

Family

ID=6649307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28360/54A Expired GB749423A (en) 1953-10-02 1954-10-01 Method of refining silicon

Country Status (1)

Country Link
GB (1) GB749423A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064486B (en) * 1956-11-05 1959-09-03 Pechiney Prod Chimiques Sa Process for cleaning silicon
DE1098931B (en) * 1958-07-03 1961-02-09 Wacker Chemie Gmbh Process for purifying molten silicon

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064486B (en) * 1956-11-05 1959-09-03 Pechiney Prod Chimiques Sa Process for cleaning silicon
DE1098931B (en) * 1958-07-03 1961-02-09 Wacker Chemie Gmbh Process for purifying molten silicon

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