FR2457254B1 - - Google Patents

Info

Publication number
FR2457254B1
FR2457254B1 FR8011626A FR8011626A FR2457254B1 FR 2457254 B1 FR2457254 B1 FR 2457254B1 FR 8011626 A FR8011626 A FR 8011626A FR 8011626 A FR8011626 A FR 8011626A FR 2457254 B1 FR2457254 B1 FR 2457254B1
Authority
FR
France
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
FR8011626A
Other languages
French (fr)
Other versions
FR2457254A1 (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 US06/042,016 external-priority patent/US4246249A/en
Priority claimed from US06/041,892 external-priority patent/US4256717A/en
Application filed by Aluminum Company of America filed Critical Aluminum Company of America
Publication of FR2457254A1 publication Critical patent/FR2457254A1/en
Application granted granted Critical
Publication of FR2457254B1 publication Critical patent/FR2457254B1/fr
Granted 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)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR8011626A 1979-05-24 1980-05-23 SILICON PURIFICATION PROCESS Granted FR2457254A1 (en)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
FR2457254A1 FR2457254A1 (en) 1980-12-19
FR2457254B1 true FR2457254B1 (en) 1981-12-04

Family

ID=27366012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011626A Granted FR2457254A1 (en) 1979-05-24 1980-05-23 SILICON PURIFICATION PROCESS

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
MY143807A (en) * 2007-09-13 2011-07-15 Silicium Becancour Inc Process for the production of medium and high purity silicon from metallurgical grade silicon
US7959730B2 (en) 2007-10-03 2011-06-14 6N Silicon Inc. 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
NO153846C (en) 1986-06-04
NO801559L (en) 1980-11-25
GB2052461A (en) 1981-01-28
DE3019875C2 (en) 1986-01-02
SE8003840L (en) 1980-11-25
NO153846B (en) 1986-02-24
FR2457254A1 (en) 1980-12-19
AU531384B2 (en) 1983-08-18
DE3019875A1 (en) 1980-11-27
GB2052461B (en) 1983-04-07
AU5876880A (en) 1980-11-27
MX154222A (en) 1987-06-19
SE448164B (en) 1987-01-26
BR8003247A (en) 1980-12-30

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Legal Events

Date Code Title Description
ST Notification of lapse