IT1178785B - Procedimento per la preparazione di materiali policristallini ed apparechiatura atta alla sua realizzazione - Google Patents

Procedimento per la preparazione di materiali policristallini ed apparechiatura atta alla sua realizzazione

Info

Publication number
IT1178785B
IT1178785B IT24196/84A IT2419684A IT1178785B IT 1178785 B IT1178785 B IT 1178785B IT 24196/84 A IT24196/84 A IT 24196/84A IT 2419684 A IT2419684 A IT 2419684A IT 1178785 B IT1178785 B IT 1178785B
Authority
IT
Italy
Prior art keywords
preparation
heating
equipment suitable
realization
procedure
Prior art date
Application number
IT24196/84A
Other languages
English (en)
Other versions
IT8424196A0 (it
Inventor
Rese Leonardo Di
Daniele Margadonna
Vincenzo Paraggio
Ernesto Scafe
Original Assignee
Pragma Spa
Assorenti
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 Pragma Spa, Assorenti filed Critical Pragma Spa
Priority to IT24196/84A priority Critical patent/IT1178785B/it
Publication of IT8424196A0 publication Critical patent/IT8424196A0/it
Priority to DE8585202098T priority patent/DE3587038T2/de
Priority to AT85202098T priority patent/ATE85033T1/de
Priority to EP85202098A priority patent/EP0186249B1/en
Application granted granted Critical
Publication of IT1178785B publication Critical patent/IT1178785B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C30B11/003—Heating or cooling of the melt or the crystallised material
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C30B11/002—Crucibles or containers for supporting the melt
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • C30B29/605—Products containing multiple oriented crystallites, e.g. columnar crystallites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Glass Compositions (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
IT24196/84A 1984-12-21 1984-12-21 Procedimento per la preparazione di materiali policristallini ed apparechiatura atta alla sua realizzazione IT1178785B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT24196/84A IT1178785B (it) 1984-12-21 1984-12-21 Procedimento per la preparazione di materiali policristallini ed apparechiatura atta alla sua realizzazione
DE8585202098T DE3587038T2 (de) 1984-12-21 1985-12-18 Verfahren zur herstellung von polykristallinem material und vorrichtung dafuer.
AT85202098T ATE85033T1 (de) 1984-12-21 1985-12-18 Verfahren zur herstellung von polykristallinem material und vorrichtung dafuer.
EP85202098A EP0186249B1 (en) 1984-12-21 1985-12-18 Process for the preparation of polycrystalline materials and equipment suitable to the accomplishing thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24196/84A IT1178785B (it) 1984-12-21 1984-12-21 Procedimento per la preparazione di materiali policristallini ed apparechiatura atta alla sua realizzazione

Publications (2)

Publication Number Publication Date
IT8424196A0 IT8424196A0 (it) 1984-12-21
IT1178785B true IT1178785B (it) 1987-09-16

Family

ID=11212488

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24196/84A IT1178785B (it) 1984-12-21 1984-12-21 Procedimento per la preparazione di materiali policristallini ed apparechiatura atta alla sua realizzazione

Country Status (4)

Country Link
EP (1) EP0186249B1 (it)
AT (1) ATE85033T1 (it)
DE (1) DE3587038T2 (it)
IT (1) IT1178785B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116456A (en) * 1988-04-18 1992-05-26 Solon Technologies, Inc. Apparatus and method for growth of large single crystals in plate/slab form
JP3523986B2 (ja) * 1997-07-02 2004-04-26 シャープ株式会社 多結晶半導体の製造方法および製造装置
DE19855061B4 (de) * 1998-11-28 2012-05-16 Ald Vacuum Technologies Ag Schmelzofen zum Schmelzen von Silizium
DE102011007708A1 (de) * 2011-04-19 2012-10-25 Sgl Carbon Se Tiegelanordnung
CN103409798B (zh) * 2013-08-03 2016-02-24 安徽大晟新能源设备科技有限公司 准单晶铸锭炉的下加热器固定结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243471A (en) * 1978-05-02 1981-01-06 International Business Machines Corporation Method for directional solidification of silicon
DE2925679A1 (de) * 1979-06-26 1981-01-22 Heliotronic Gmbh Verfahren zur herstellung von siliciumstaeben
ATE16203T1 (de) * 1980-12-31 1985-11-15 Solarex Corp Verfahren zur herstellung von semikristallinischem silizium und erzieltes produkt.
DE3316546C1 (de) * 1983-05-06 1984-04-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Kalter Tiegel fuer das Erschmelzen und die Kristallisation nichtmetallischer anorganischer Verbindungen
FR2553232B1 (fr) * 1983-10-05 1985-12-27 Comp Generale Electricite Procede et dispositif pour elaborer un lingot d'un materiau semi-conducteur polycristallin

Also Published As

Publication number Publication date
IT8424196A0 (it) 1984-12-21
EP0186249A3 (en) 1989-07-05
DE3587038D1 (de) 1993-03-11
ATE85033T1 (de) 1993-02-15
EP0186249A2 (en) 1986-07-02
EP0186249B1 (en) 1993-01-27
DE3587038T2 (de) 1993-07-08

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961217