ZA795987B - Process for purifiying silicon - Google Patents

Process for purifiying silicon

Info

Publication number: ZA795987B
Authority: ZA; South Africa
Prior art keywords: purifiying; silicon; purifiying silicon
Prior art date: 1978-11-09

Application number

ZA00795987A

Other languages

English (en)

Inventor

A Parisi

L Pelosini

S Pizzini

Original Assignee

Montedison Spa

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.)

1978-11-09

Filing date

1979-11-07

Publication date

1980-10-29

1979-11-07 Application filed by Montedison Spa filed Critical Montedison Spa

1980-10-29 Publication of ZA795987B publication Critical patent/ZA795987B/xx

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)

ZA00795987A 1978-11-09 1979-11-07 Process for purifiying silicon ZA795987B (en)

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 (1)

Publication Number	Publication Date
ZA795987B true ZA795987B (en)	1980-10-29

Family

ID=11228135

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00795987A ZA795987B (en)	1978-11-09	1979-11-07	Process for purifiying silicon

Country Status (15)

Country	Link
US (1)	US4241037A (it)
JP (1)	JPS5567519A (it)
AU (1)	AU528382B2 (it)
BE (1)	BE879913A (it)
BR (1)	BR7907218A (it)
CA (1)	CA1133681A (it)
DE (1)	DE2944975A1 (it)
ES (1)	ES485807A1 (it)
FR (1)	FR2440913A1 (it)
GB (1)	GB2036708B (it)
IT (1)	IT1100218B (it)
NL (1)	NL7908106A (it)
NO (1)	NO152208C (it)
SE (1)	SE438309B (it)
ZA (1)	ZA795987B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
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
NO313132B1 (no) *	1999-12-08	2002-08-19	Elkem Materials	Fremgangsmåte for rensing av silisium
US20040043500A1 (en) *	2002-08-27	2004-03-04	Rumps J Eric	Wafer-scale microwave digestion apparatus and methods
WO2005061383A1 (en) *	2003-12-04	2005-07-07	Dow Corning Corporation	Method of removing impurities from metallurgical grade silicon to produce solar grade silicon
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
ZA200900898B (en) *	2006-09-14	2010-06-30	Silicium Becancour Inc	Process and apparatus for purifying low-grade silicon material
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)

* Cited by examiner, † Cited by third party
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
FR251604A (it) *	1959-05-13
LU39963A1 (it) *	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 SE SE7909115A patent/SE438309B/sv not_active IP Right Cessation
- 1979-11-05 NO NO793552A patent/NO152208C/no unknown
- 1979-11-06 JP JP14287379A patent/JPS5567519A/ja active Pending
- 1979-11-06 FR FR7927338A patent/FR2440913A1/fr active Granted
- 1979-11-06 NL NL7908106A patent/NL7908106A/nl not_active Application Discontinuation
- 1979-11-06 US US06/091,750 patent/US4241037A/en not_active Expired - Lifetime
- 1979-11-07 AU AU52570/79A patent/AU528382B2/en not_active Ceased
- 1979-11-07 ZA ZA00795987A patent/ZA795987B/xx unknown
- 1979-11-07 DE DE19792944975 patent/DE2944975A1/de not_active Withdrawn
- 1979-11-07 BR BR7907218A patent/BR7907218A/pt unknown
- 1979-11-08 ES ES485807A patent/ES485807A1/es not_active Expired
- 1979-11-08 CA CA339,456A patent/CA1133681A/en not_active Expired
- 1979-11-08 BE BE0/198034A patent/BE879913A/fr not_active IP Right Cessation
- 1979-11-08 GB GB7938801A patent/GB2036708B/en not_active Expired

Also Published As

Publication number	Publication date
FR2440913B1 (it)	1982-01-29
GB2036708B (en)	1982-10-20
NO793552L (no)	1980-05-12
US4241037A (en)	1980-12-23
NO152208C (no)	1985-08-21
NO152208B (no)	1985-05-13
SE438309B (sv)	1985-04-15
CA1133681A (en)	1982-10-19
GB2036708A (en)	1980-07-02
BE879913A (fr)	1980-05-08
AU528382B2 (en)	1983-04-28
JPS5567519A (en)	1980-05-21
DE2944975A1 (de)	1980-05-22
AU5257079A (en)	1980-05-15
FR2440913A1 (fr)	1980-06-06
BR7907218A (pt)	1980-07-08
NL7908106A (nl)	1980-05-13
SE7909115L (sv)	1980-05-10
ES485807A1 (es)	1980-10-01
IT1100218B (it)	1985-09-28
IT7829622A0 (it)	1978-11-09

Publication	Publication Date	Title
ZA795987B (en)	1980-10-29	Process for purifiying silicon
YU42191B (en)	1988-06-30	Process for preparing 2-chloro-6-nitroanilines
YU93179A (en)	1983-01-21	Process for obtaining 4-deacetyl-vinca-leublastin c-3-carboxhydrazide
GB2018816B (en)	1982-11-03	Process for preparing hexamethyltetrahydronaphthalenes
PH19618A (en)	1986-05-30	Process for preparing -2-pyrrolidone
DE2962639D1 (en)	1982-06-09	Process for preparing 2-chlorosulfinyl-azetidinones
YU227679A (en)	1983-06-30	Process for obtaining n-benzylhaloacetamide deriatives
GB2019835B (en)	1982-08-04	Process for preparing n-carbamoyl-d-thienylglycines
DE2960035D1 (en)	1981-01-29	Process for the preparation of silanes
DE2961058D1 (en)	1981-12-24	Process for preparing alpha-chloro-n-monoalkyl-acetoacetamides
DE2960047D1 (en)	1981-02-05	Process for preparing 2-oximinophenylacetonitrile
YU86879A (en)	1983-10-31	Process for obtaining 17-beta-carboxy-5-androstane-3-one
YU86978A (en)	1982-08-31	Process for preparing 6-deoxy-5-hydroxy-tetracycline
GB2013180B (en)	1982-05-12	Process for preparing n ethylethylenediamine
GB2052461B (en)	1983-04-07	Silicon purification method
DE2960490D1 (en)	1981-10-22	Process for the preparation 1-isocyanato-anthraquinones
YU304478A (en)	1983-02-28	Process for obtaining chloro-acetanilides
YU40533B (en)	1986-02-28	Process for preparing 2-bromoergosinine
DE2964629D1 (en)	1983-03-03	Process for preparing 3-amino-5-t-butylisoxazole
YU134179A (en)	1983-01-21	Process for obtaining n-phenethylimidazole deivatives
GB2039897B (en)	1983-01-12	Process for purifying naphthoqinone
DE2963897D1 (en)	1982-11-25	Process for preparing sodium-m-nitrobenzenesulfonate
YU169879A (en)	1983-04-30	Process for obtaining cis-bicyclooctyl-amine
YU41345B (en)	1987-02-28	Process for obtaining chloroambucial
PT69287A (en)	1979-03-01	Process for preparing benzocycloheptapyrans