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
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)
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 |
---|---|
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)
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 |
CN101855391B (en) * | 2007-10-03 | 2014-10-29 | 希里科材料公司 | 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)
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 |
-
1980
- 1980-05-22 GB GB8016881A patent/GB2052461B/en not_active Expired
- 1980-05-22 SE SE8003840A patent/SE448164B/en not_active IP Right Cessation
- 1980-05-23 BR BR8003247A patent/BR8003247A/en unknown
- 1980-05-23 DE DE3019875A patent/DE3019875C2/en not_active Expired
- 1980-05-23 MX MX182482A patent/MX154222A/en unknown
- 1980-05-23 NO NO801559A patent/NO153846C/en unknown
- 1980-05-23 FR FR8011626A patent/FR2457254A1/en active Granted
- 1980-05-26 AU AU58768/80A patent/AU531384B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
BR8003247A (en) | 1980-12-30 |
NO801559L (en) | 1980-11-25 |
NO153846C (en) | 1986-06-04 |
SE448164B (en) | 1987-01-26 |
SE8003840L (en) | 1980-11-25 |
AU531384B2 (en) | 1983-08-18 |
MX154222A (en) | 1987-06-19 |
GB2052461A (en) | 1981-01-28 |
FR2457254A1 (en) | 1980-12-19 |
DE3019875C2 (en) | 1986-01-02 |
NO153846B (en) | 1986-02-24 |
AU5876880A (en) | 1980-11-27 |
GB2052461B (en) | 1983-04-07 |
DE3019875A1 (en) | 1980-11-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |