SE438309B - Forfarande for rening av kisel - Google Patents
Forfarande for rening av kiselInfo
- Publication number
- SE438309B SE438309B SE7909115A SE7909115A SE438309B SE 438309 B SE438309 B SE 438309B SE 7909115 A SE7909115 A SE 7909115A SE 7909115 A SE7909115 A SE 7909115A SE 438309 B SE438309 B SE 438309B
- Authority
- SE
- Sweden
- Prior art keywords
- silicon
- ppmw
- hydroxide
- oxide
- purification
- Prior art date
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)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT29622/78A IT1100218B (it) | 1978-11-09 | 1978-11-09 | Procedimento per la purificazione di silicio |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7909115L SE7909115L (sv) | 1980-05-10 |
SE438309B true SE438309B (sv) | 1985-04-15 |
Family
ID=11228135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7909115A SE438309B (sv) | 1978-11-09 | 1979-11-05 | Forfarande for rening av kisel |
Country Status (15)
Country | Link |
---|---|
US (1) | US4241037A (es) |
JP (1) | JPS5567519A (es) |
AU (1) | AU528382B2 (es) |
BE (1) | BE879913A (es) |
BR (1) | BR7907218A (es) |
CA (1) | CA1133681A (es) |
DE (1) | DE2944975A1 (es) |
ES (1) | ES485807A1 (es) |
FR (1) | FR2440913A1 (es) |
GB (1) | GB2036708B (es) |
IT (1) | IT1100218B (es) |
NL (1) | NL7908106A (es) |
NO (1) | NO152208C (es) |
SE (1) | SE438309B (es) |
ZA (1) | ZA795987B (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001042136A1 (en) * | 1999-12-08 | 2001-06-14 | Elkem Asa | Refining of metallurgical grade silicon |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3123009A1 (de) * | 1981-06-10 | 1982-12-30 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von fuer solarzellen verwendbarem silizium |
DE3201312C2 (de) * | 1982-01-18 | 1983-12-22 | Skw Trostberg Ag, 8223 Trostberg | Verfahren zur Reinigung von Silicium |
NO152551C (no) * | 1983-02-07 | 1985-10-16 | Elkem As | Fremgangsmaate til fremstilling av rent silisium. |
DE3332447A1 (de) * | 1983-09-08 | 1985-03-21 | Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen | Verfahren zur befreiung von siliciumbruchstuecken von verunreinigungen |
US4777030A (en) * | 1985-07-24 | 1988-10-11 | Enichem, S.P.A. | Process for recovery of silicon from a reaction mixture |
GB2190368B (en) * | 1986-04-16 | 1989-12-13 | Westinghouse Electric Corp | Method of removing film from dendritic web silicon |
US4898960A (en) * | 1986-12-22 | 1990-02-06 | Dow Corning Corporation | Method of direct process performance improvement via control of silicon manufacture |
NO180532C (no) * | 1994-09-01 | 1997-05-07 | Elkem Materials | Fremgangsmåte for fjerning av forurensninger fra smeltet silisium |
CA2232777C (en) * | 1997-03-24 | 2001-05-15 | Hiroyuki Baba | Method for producing silicon for use in solar cells |
US20040043500A1 (en) * | 2002-08-27 | 2004-03-04 | Rumps J Eric | Wafer-scale microwave digestion apparatus and methods |
JP2007513048A (ja) * | 2003-12-04 | 2007-05-24 | ダウ・コーニング・コーポレイション | 太陽電池グレードのケイ素を生産するための、冶金グレードのケイ素から不純物を除去する方法 |
JP4766837B2 (ja) | 2004-03-03 | 2011-09-07 | 新日鉄マテリアルズ株式会社 | シリコンからのホウ素除去方法 |
JP4966560B2 (ja) * | 2005-03-07 | 2012-07-04 | 新日鉄マテリアルズ株式会社 | 高純度シリコンの製造方法 |
JP4741860B2 (ja) * | 2005-03-07 | 2011-08-10 | 新日鉄マテリアルズ株式会社 | 高純度のシリコンの製造方法 |
JP5140835B2 (ja) * | 2005-03-07 | 2013-02-13 | 新日鉄住金マテリアルズ株式会社 | 高純度シリコンの製造方法 |
JP4850501B2 (ja) * | 2005-12-06 | 2012-01-11 | 新日鉄マテリアルズ株式会社 | 高純度シリコンの製造装置及び製造方法 |
JP4920258B2 (ja) * | 2006-01-17 | 2012-04-18 | 新日鉄マテリアルズ株式会社 | シリコンのスラグ精錬方法及び高純度シリコンの製造装置 |
US7682585B2 (en) * | 2006-04-25 | 2010-03-23 | The Arizona Board Of Regents On Behalf Of The University Of Arizona | Silicon refining process |
JP2010503596A (ja) * | 2006-09-14 | 2010-02-04 | シリシアム・ベカンクール・インコーポレイテッド | 低品位シリコン材料の精製方法及び装置 |
US9243311B2 (en) * | 2007-03-13 | 2016-01-26 | Silicor Materials Inc. | Method for removing phosphorous and boron from aluminium silicon alloy for use in purifying silicon |
ITMI20081085A1 (it) * | 2008-06-16 | 2009-12-17 | N E D Silicon S P A | Metodo per la preparazione di silicio di grado metallurgico di elevata purezza. |
NO331026B1 (no) * | 2009-09-23 | 2011-09-12 | Elkem Solar As | Fremgangsmate for fremstilling av hoyrent silisium |
CN101724900B (zh) * | 2009-11-24 | 2012-05-23 | 厦门大学 | 一种多晶硅提纯装置及提纯方法 |
US20110126877A1 (en) * | 2009-11-27 | 2011-06-02 | Jinah Kim | Solar cell |
CN101792143B (zh) * | 2010-03-24 | 2011-12-21 | 姜学昭 | 提纯硅的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1037713A (en) * | 1911-06-26 | 1912-09-03 | Carborundum Co | Method of making silicon articles. |
US2885364A (en) * | 1955-05-31 | 1959-05-05 | Columbia Broadcasting Syst Inc | Method of treating semiconducting materials for electrical devices |
US2866701A (en) * | 1956-05-10 | 1958-12-30 | Vanadium Corp Of America | Method of purifying silicon and ferrosilicon |
US3012865A (en) * | 1957-11-25 | 1961-12-12 | Du Pont | Silicon purification process |
LU38582A1 (es) * | 1959-05-13 | |||
LU39963A1 (es) * | 1960-04-01 | |||
GB1103329A (en) * | 1964-09-15 | 1968-02-14 | Gen Trustee Co Ltd | Refining of silicon |
US4092446A (en) * | 1974-07-31 | 1978-05-30 | Texas Instruments Incorporated | Process of refining impure silicon to produce purified electronic grade silicon |
US4102764A (en) * | 1976-12-29 | 1978-07-25 | Westinghouse Electric Corp. | High purity silicon production by arc heater reduction of silicon intermediates |
US4124410A (en) * | 1977-11-21 | 1978-11-07 | Union Carbide Corporation | Silicon solar cells with low-cost substrates |
-
1978
- 1978-11-09 IT IT29622/78A patent/IT1100218B/it active
-
1979
- 1979-11-05 NO NO793552A patent/NO152208C/no unknown
- 1979-11-05 SE SE7909115A patent/SE438309B/sv not_active IP Right Cessation
- 1979-11-06 US US06/091,750 patent/US4241037A/en not_active Expired - Lifetime
- 1979-11-06 JP JP14287379A patent/JPS5567519A/ja active Pending
- 1979-11-06 NL NL7908106A patent/NL7908106A/nl not_active Application Discontinuation
- 1979-11-06 FR FR7927338A patent/FR2440913A1/fr active Granted
- 1979-11-07 DE DE19792944975 patent/DE2944975A1/de not_active Withdrawn
- 1979-11-07 BR BR7907218A patent/BR7907218A/pt unknown
- 1979-11-07 AU AU52570/79A patent/AU528382B2/en not_active Ceased
- 1979-11-07 ZA ZA00795987A patent/ZA795987B/xx unknown
- 1979-11-08 CA CA339,456A patent/CA1133681A/en not_active Expired
- 1979-11-08 GB GB7938801A patent/GB2036708B/en not_active Expired
- 1979-11-08 BE BE0/198034A patent/BE879913A/fr not_active IP Right Cessation
- 1979-11-08 ES ES485807A patent/ES485807A1/es not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001042136A1 (en) * | 1999-12-08 | 2001-06-14 | Elkem Asa | Refining of metallurgical grade silicon |
Also Published As
Publication number | Publication date |
---|---|
BR7907218A (pt) | 1980-07-08 |
JPS5567519A (en) | 1980-05-21 |
ZA795987B (en) | 1980-10-29 |
NO793552L (no) | 1980-05-12 |
GB2036708B (en) | 1982-10-20 |
IT7829622A0 (it) | 1978-11-09 |
NL7908106A (nl) | 1980-05-13 |
AU5257079A (en) | 1980-05-15 |
CA1133681A (en) | 1982-10-19 |
AU528382B2 (en) | 1983-04-28 |
NO152208B (no) | 1985-05-13 |
BE879913A (fr) | 1980-05-08 |
SE7909115L (sv) | 1980-05-10 |
GB2036708A (en) | 1980-07-02 |
FR2440913B1 (es) | 1982-01-29 |
FR2440913A1 (fr) | 1980-06-06 |
ES485807A1 (es) | 1980-10-01 |
NO152208C (no) | 1985-08-21 |
US4241037A (en) | 1980-12-23 |
IT1100218B (it) | 1985-09-28 |
DE2944975A1 (de) | 1980-05-22 |
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Legal Events
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NUG | Patent has lapsed |
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