GB2052461B - Silicon purification method - Google Patents

Silicon purification method

Info

Publication number
GB2052461B
GB2052461B GB8016881A GB8016881A GB2052461B GB 2052461 B GB2052461 B GB 2052461B GB 8016881 A GB8016881 A GB 8016881A GB 8016881 A GB8016881 A GB 8016881A GB 2052461 B GB2052461 B GB 2052461B
Authority
GB
United Kingdom
Prior art keywords
purification method
silicon purification
silicon
purification
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
GB8016881A
Other versions
GB2052461A (en
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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
Priority claimed from US06/041,892 external-priority patent/US4256717A/en
Priority claimed from US06/042,016 external-priority patent/US4246249A/en
Application filed by Aluminum Company of America filed Critical Aluminum Company of America
Publication of GB2052461A publication Critical patent/GB2052461A/en
Application granted granted Critical
Publication of GB2052461B publication Critical patent/GB2052461B/en
Expired legal-status Critical Current

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
    • C01B33/037—Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
GB8016881A 1979-05-24 1980-05-22 Silicon purification method Expired GB2052461B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4201779A 1979-05-24 1979-05-24
US06/041,892 US4256717A (en) 1979-05-24 1979-05-24 Silicon purification method
US06/042,016 US4246249A (en) 1979-05-24 1979-05-24 Silicon purification process

Publications (2)

Publication Number Publication Date
GB2052461A GB2052461A (en) 1981-01-28
GB2052461B true GB2052461B (en) 1983-04-07

Family

ID=27366012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8016881A Expired GB2052461B (en) 1979-05-24 1980-05-22 Silicon purification method

Country Status (8)

Country Link
AU (1) AU531384B2 (en)
BR (1) BR8003247A (en)
DE (1) DE3019875C2 (en)
FR (1) FR2457254A1 (en)
GB (1) GB2052461B (en)
MX (1) MX154222A (en)
NO (1) NO153846C (en)
SE (1) SE448164B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3150539A1 (en) * 1981-12-21 1983-06-30 Siemens AG, 1000 Berlin und 8000 München Process for producing silicon which can be used for semiconductor components, in particular for solar cells
UA97691C2 (en) * 2007-09-13 2012-03-12 Силисиум Беканкур Инк. Process for preparation of high purity solid polycrystalline silicon
KR101247666B1 (en) 2007-10-03 2013-04-01 실리코르 머티리얼즈 인코포레이티드 Method for processing silicon powder to obtain silicon crystals
NO329987B1 (en) 2009-02-26 2011-01-31 Harsharn Tathgar Semi-Continuous Process for Formation, Separation and Melting of Large, Clean Silicon Crystals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471899A (en) * 1940-07-08 1949-05-31 Spolek Method of separating constituents of alloys by fractional crystallization

Also Published As

Publication number Publication date
DE3019875A1 (en) 1980-11-27
SE8003840L (en) 1980-11-25
NO153846B (en) 1986-02-24
AU531384B2 (en) 1983-08-18
BR8003247A (en) 1980-12-30
NO153846C (en) 1986-06-04
SE448164B (en) 1987-01-26
MX154222A (en) 1987-06-19
GB2052461A (en) 1981-01-28
AU5876880A (en) 1980-11-27
NO801559L (en) 1980-11-25
FR2457254B1 (en) 1981-12-04
FR2457254A1 (en) 1980-12-19
DE3019875C2 (en) 1986-01-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee