ES8502660A1 - Procedimiento para purificar silicio por accion de un acido - Google Patents

Procedimiento para purificar silicio por accion de un acido

Info

Publication number
ES8502660A1
ES8502660A1 ES532360A ES532360A ES8502660A1 ES 8502660 A1 ES8502660 A1 ES 8502660A1 ES 532360 A ES532360 A ES 532360A ES 532360 A ES532360 A ES 532360A ES 8502660 A1 ES8502660 A1 ES 8502660A1
Authority
ES
Spain
Prior art keywords
silicon
purification
silicium
acid action
stationary phase
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
ES532360A
Other languages
English (en)
Other versions
ES532360A0 (es
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.)
Heliotronic GmbH
Original Assignee
Heliotronic GmbH
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
Application filed by Heliotronic GmbH filed Critical Heliotronic GmbH
Publication of ES8502660A1 publication Critical patent/ES8502660A1/es
Publication of ES532360A0 publication Critical patent/ES532360A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02041—Cleaning
    • H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
    • H01L21/02052—Wet cleaning only
    • 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)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Silicon Compounds (AREA)

Abstract

METODO DE PURIFICACION DE SILICIO POR TRATAMIENTO CON UN ACIDO.SE DISPONE EL SILICIO A PURIFICAR COMO UNA FASE ESTACIONARIA, A TRAVES DE LA CUAL SE HACE PASAR UNA FASE ACIDA MOVIL, O SUCESIVAS FASES ACIDAS MOVILES DIFERENTES, POR ACCION DE LA PRESION, A UNA TEMPERATURA COMPRENDIDA ENTRE 20JC Y 80JC.ESTE SILICIO TIENE APLICACIONES PARA LA FABRICACION DE CELULAS SOLARES.
ES532360A 1983-05-11 1984-05-10 Procedimiento para purificar silicio por accion de un acido Granted ES532360A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833317286 DE3317286A1 (de) 1983-05-11 1983-05-11 Verfahren zur reinigung von silicium durch saeureeinwirkung

Publications (2)

Publication Number Publication Date
ES8502660A1 true ES8502660A1 (es) 1985-01-16
ES532360A0 ES532360A0 (es) 1985-01-16

Family

ID=6198782

Family Applications (1)

Application Number Title Priority Date Filing Date
ES532360A Granted ES532360A0 (es) 1983-05-11 1984-05-10 Procedimiento para purificar silicio por accion de un acido

Country Status (6)

Country Link
US (1) US4588571A (es)
EP (1) EP0125630A3 (es)
CA (1) CA1240483A (es)
DE (1) DE3317286A1 (es)
ES (1) ES532360A0 (es)
NO (1) NO159995C (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002327A1 (de) * 1990-01-26 1991-08-01 Wacker Chemitronic Verfahren zur nasschemischen behandlung von halbleiteroberflaechen und loesung zu seiner durchfuehrung
JPH05121390A (ja) * 1991-10-29 1993-05-18 Koujiyundo Silicon Kk 酸の除去方法
DE19529518A1 (de) * 1994-08-10 1996-02-15 Tokuyama Corp Polykristallines Silizium und Verfahren zu dessen Herstellung
DE19531031C2 (de) * 1995-08-23 1997-08-21 Ictop Entwicklungsgesellschaft Verfahren zum Trocknen von Silizium
US5714203A (en) * 1995-08-23 1998-02-03 Ictop Entwicklungs Gmbh Procedure for the drying of silicon
DE19618974A1 (de) * 1996-05-10 1997-11-13 Wacker Chemie Gmbh Verfahren zur Behandlung von Halbleitermaterial
AU2003206626A1 (en) * 2002-01-18 2003-07-30 Wacker-Chemie Gmbh Method for producing amorphous silicon and/or organohalosilanes produced therefrom
US8021483B2 (en) * 2002-02-20 2011-09-20 Hemlock Semiconductor Corporation Flowable chips and methods for the preparation and use of same, and apparatus for use in the methods
KR101119090B1 (ko) * 2004-06-24 2012-03-16 엘지전자 주식회사 식기 세척기의 이물 고착 방지장치 및 그 방법
US7270706B2 (en) * 2004-10-04 2007-09-18 Dow Corning Corporation Roll crusher to produce high purity polycrystalline silicon chips
US7658900B2 (en) 2005-03-05 2010-02-09 Joint Solar Silicon Gmbh & Co. Kg Reactor and process for the preparation of silicon
CN103030148B (zh) * 2006-04-04 2015-02-25 太阳能原材料公司 纯化硅的方法
DE102007040851A1 (de) 2007-08-29 2009-03-05 Wacker Chemie Ag Verfahren zum Reinigen von polykristallinem Silicium
WO2009043167A1 (en) 2007-10-03 2009-04-09 6N Silicon Inc. Method for processing silicon powder to obtain silicon crystals
DE102008055833A1 (de) * 2008-11-04 2010-05-12 Adensis Gmbh Verfahren zum Entfernen von feinteiligem Siliziummaterial aus einem Silizium-Mahlgut und Einrichtung zur Durchführung des Verfahrens
DE102009014562A1 (de) * 2009-03-16 2010-09-23 Schmid Silicon Technology Gmbh Aufreinigung von metallurgischem Silizium
DE102009016014B3 (de) * 2009-04-02 2010-09-30 Sunicon Ag Verfahren zur Gewinnung von reinem Silizium
DE102009046265A1 (de) * 2009-10-30 2011-05-19 Rheinisch-Westfälische Technische Hochschule Aachen Verfahren zur Aufarbeitung von Sägerückständen aus der Produktion von Silizium-Wafern
US8216539B2 (en) * 2010-04-14 2012-07-10 Calisolar, Inc. Cascading purification
CN102344144A (zh) * 2011-09-30 2012-02-08 巨锋 一种废晶体硅的自动酸碱清洗反应设备
DE102012213869A1 (de) * 2012-08-06 2014-02-06 Wacker Chemie Ag Polykristalline Siliciumbruchstücke und Verfahren zu deren Herstellung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH346532A (de) * 1956-01-19 1960-05-31 Lonza Ag Verfahren zur Herstellung von reinem Siliziummetall
US2973319A (en) * 1959-04-21 1961-02-28 Transvaal & Orange Free State Process of contacting liquids with solids
NO122241B (es) * 1970-05-04 1971-06-07 Spigerverk C
DE2722783A1 (de) * 1977-05-20 1978-11-30 Wacker Chemitronic Verfahren zum reinigen von silicium
DE2933164A1 (de) * 1979-08-16 1981-02-26 Consortium Elektrochem Ind Verfahren zum reinigen von rohsilicium
DE3236276A1 (de) * 1982-09-30 1984-04-05 Heliotronic Forschungs- und Entwicklungsgesellschaft für Solarzellen-Grundstoffe mbH, 8263 Burghausen Neuer werkstoff aus silicium und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
CA1240483A (en) 1988-08-16
US4588571A (en) 1986-05-13
NO159995C (no) 1989-03-01
NO841890L (no) 1984-11-12
NO159995B (no) 1988-11-21
DE3317286A1 (de) 1984-11-22
EP0125630A3 (de) 1988-03-02
ES532360A0 (es) 1985-01-16
EP0125630A2 (de) 1984-11-21

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