IT1069679B - PROCEDURE AND DEVICE FOR THE PRODUCTION OF PREFORMED MONOCRYSTALS - Google Patents

PROCEDURE AND DEVICE FOR THE PRODUCTION OF PREFORMED MONOCRYSTALS

Info

Publication number
IT1069679B
IT1069679B IT6898476A IT6898476A IT1069679B IT 1069679 B IT1069679 B IT 1069679B IT 6898476 A IT6898476 A IT 6898476A IT 6898476 A IT6898476 A IT 6898476A IT 1069679 B IT1069679 B IT 1069679B
Authority
IT
Italy
Prior art keywords
monocrystals
preformed
procedure
production
preformed monocrystals
Prior art date
Application number
IT6898476A
Other languages
Italian (it)
Original Assignee
Ugine Kuhlmann
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
Priority claimed from FR7524770A external-priority patent/FR2321326A1/en
Priority claimed from FR7622863A external-priority patent/FR2359639A2/en
Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann
Application granted granted Critical
Publication of IT1069679B publication Critical patent/IT1069679B/en

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
    • C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/002—Continuous growth
    • 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
    • C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/08—Downward pulling
    • 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
    • C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/10—Crucibles or containers for supporting the melt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
IT6898476A 1975-08-08 1976-08-09 PROCEDURE AND DEVICE FOR THE PRODUCTION OF PREFORMED MONOCRYSTALS IT1069679B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7524770A FR2321326A1 (en) 1975-08-08 1975-08-08 Direct prodn. of monocrystal wafers - using seed crystal and drawing die with rectangular opening
FR7622863A FR2359639A2 (en) 1976-07-27 1976-07-27 Direct prodn. of monocrystal wafers - using seed crystal and drawing die with rectangular opening

Publications (1)

Publication Number Publication Date
IT1069679B true IT1069679B (en) 1985-03-25

Family

ID=26219025

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6898476A IT1069679B (en) 1975-08-08 1976-08-09 PROCEDURE AND DEVICE FOR THE PRODUCTION OF PREFORMED MONOCRYSTALS

Country Status (5)

Country Link
JP (1) JPS5242479A (en)
CH (1) CH612596A5 (en)
DE (1) DE2635373C2 (en)
GB (1) GB1546843A (en)
IT (1) IT1069679B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528454A1 (en) * 1982-06-11 1983-12-16 Criceram MODIFIED CREUSET FOR THE METHOD OF CRYSTALLIZATION BY PENDING DROP
DE4323793A1 (en) * 1993-07-15 1995-01-19 Wacker Chemitronic Process for the production of rods or blocks from semiconductor material which expands on solidification by crystallizing a melt produced from granules, and device for carrying it out
DE4423720C1 (en) * 1994-07-08 1996-02-01 Heraeus Electro Nite Int Surface tension measurement esp. in molten metal
ATE156264T1 (en) * 1994-07-08 1997-08-15 Heraeus Electro Nite Int DEVICE FOR MEASURING SURFACE TENSION
TW200510581A (en) * 2003-07-17 2005-03-16 Stella Chemifa Corp Method for producing crystal of fluoride
US7691199B2 (en) 2004-06-18 2010-04-06 Memc Electronic Materials, Inc. Melter assembly and method for charging a crystal forming apparatus with molten source material
JP5195301B2 (en) * 2008-10-31 2013-05-08 Ｔｄｋ株式会社 Single crystal pulling device
JP2021172796A (en) * 2020-04-30 2021-11-01 Tdk株式会社 Single crystal phosphor, and production method of crystal
JP2021172575A (en) * 2020-04-30 2021-11-01 Tdk株式会社 Crucible and crystal production apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1044768B (en) * 1954-03-02 1958-11-27 Siemens Ag Method and device for pulling a rod-shaped crystalline body, preferably a semiconductor body
DE1204837B (en) * 1961-08-21 1965-11-11 Merck & Co Inc Process for the continuous production of rods from thermoelectric materials
US3249404A (en) * 1963-02-20 1966-05-03 Merck & Co Inc Continuous growth of crystalline materials
US3765843A (en) * 1971-07-01 1973-10-16 Tyco Laboratories Inc Growth of tubular crystalline bodies
US3801309A (en) * 1971-11-08 1974-04-02 Tyco Laboratories Inc Production of eutectic bodies by unidirectional solidification
JPS5113568A (en) * 1974-07-24 1976-02-03 Hitachi Ltd Handotaiketsushono seizohohooyobi seizosochi

Also Published As

Publication number Publication date
CH612596A5 (en) 1979-08-15
GB1546843A (en) 1979-05-31
JPS546510B2 (en) 1979-03-29
DE2635373A1 (en) 1977-04-21
DE2635373C2 (en) 1982-04-15
JPS5242479A (en) 1977-04-02

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