GB2190368B - Method of removing film from dendritic web silicon - Google Patents

Method of removing film from dendritic web silicon

Info

Publication number
GB2190368B
GB2190368B GB8706918A GB8706918A GB2190368B GB 2190368 B GB2190368 B GB 2190368B GB 8706918 A GB8706918 A GB 8706918A GB 8706918 A GB8706918 A GB 8706918A GB 2190368 B GB2190368 B GB 2190368B
Authority
GB
United Kingdom
Prior art keywords
removing film
dendritic web
web silicon
silicon
dendritic
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
GB8706918A
Other versions
GB8706918D0 (en
GB2190368A (en
Inventor
Prosenjit Rai-Choudhury
James Bernard Mcnally
Daniel Leo Meier
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB8706918D0 publication Critical patent/GB8706918D0/en
Publication of GB2190368A publication Critical patent/GB2190368A/en
Application granted granted Critical
Publication of GB2190368B publication Critical patent/GB2190368B/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
    • C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • 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
    • C30B29/08—Germanium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Photovoltaic Devices (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
GB8706918A 1986-04-16 1987-03-24 Method of removing film from dendritic web silicon Expired GB2190368B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85285886A 1986-04-16 1986-04-16

Publications (3)

Publication Number Publication Date
GB8706918D0 GB8706918D0 (en) 1987-04-29
GB2190368A GB2190368A (en) 1987-11-18
GB2190368B true GB2190368B (en) 1989-12-13

Family

ID=25314412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8706918A Expired GB2190368B (en) 1986-04-16 1987-03-24 Method of removing film from dendritic web silicon

Country Status (4)

Country Link
JP (1) JPS6325300A (en)
DE (1) DE3712443A1 (en)
FR (1) FR2597513B1 (en)
GB (1) GB2190368B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2036708A (en) * 1978-11-09 1980-07-02 Montedison Spa Proscess for purifying silicon
US4525336A (en) * 1983-09-08 1985-06-25 Wacker-Chemitronic Gesellschaft Fur Elektronik Grundstoffe M.B.H. Process for removing impurities from silicon fragments

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6702274A (en) * 1966-04-19 1967-10-20
JPS583374B2 (en) * 1977-06-15 1983-01-21 超エル・エス・アイ技術研究組合 Silicon single crystal processing method
US4401505A (en) * 1982-03-31 1983-08-30 The United States Of America As Represented By The Administrator National Aeronautics And Space Administration Method of increasing minority carrier lifetime in silicon web or the like

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2036708A (en) * 1978-11-09 1980-07-02 Montedison Spa Proscess for purifying silicon
US4525336A (en) * 1983-09-08 1985-06-25 Wacker-Chemitronic Gesellschaft Fur Elektronik Grundstoffe M.B.H. Process for removing impurities from silicon fragments

Also Published As

Publication number Publication date
FR2597513A1 (en) 1987-10-23
JPS6325300A (en) 1988-02-02
GB8706918D0 (en) 1987-04-29
DE3712443A1 (en) 1987-10-22
FR2597513B1 (en) 1994-04-29
GB2190368A (en) 1987-11-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970324