GB1546843A - Process for the continuous preparation of preformed monocrystals - Google Patents

Process for the continuous preparation of preformed monocrystals

Info

Publication number
GB1546843A
GB1546843A GB3310076A GB3310076A GB1546843A GB 1546843 A GB1546843 A GB 1546843A GB 3310076 A GB3310076 A GB 3310076A GB 3310076 A GB3310076 A GB 3310076A GB 1546843 A GB1546843 A GB 1546843A
Authority
GB
United Kingdom
Prior art keywords
monocrystals
preformed
continuous preparation
continuous
preparation
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
GB3310076A
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.)
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
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 Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann
Publication of GB1546843A publication Critical patent/GB1546843A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B15/00Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/002Continuous growth
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B15/00Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/08Downward pulling
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B15/00Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/10Crucibles 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)
GB3310076A 1975-08-08 1976-08-09 Process for the continuous preparation of preformed monocrystals Expired GB1546843A (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
GB1546843A true GB1546843A (en) 1979-05-31

Family

ID=26219025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3310076A Expired GB1546843A (en) 1975-08-08 1976-08-09 Process for the continuous preparation 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (8)

* 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
ES2105808T3 (en) * 1994-07-08 1997-10-16 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
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
DE1134967B (en) * 1954-03-02 1962-08-23 Siemens Ag Method for drawing a rod-shaped crystalline 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
IT1069679B (en) 1985-03-25
JPS5242479A (en) 1977-04-02
DE2635373C2 (en) 1982-04-15
CH612596A5 (en) 1979-08-15
JPS546510B2 (en) 1979-03-29
DE2635373A1 (en) 1977-04-21

Similar Documents

Publication Publication Date Title
GB1547802A (en) Process for the preparation of poly-phenyleneterephthalamide
PT65486B (en) Process for the preparation of carbonil-substituted 1-sulfonylbenzimidazoles
GB1517423A (en) Process for the preparation of diaryl-carbonates
IL52749A0 (en) Process for the preparation of m-phenoxybenzaldehyde
GB1523529A (en) Process for the preparation of tetrazole - 5 - carboxamides
CH608498A5 (en) Process for the preparation of novel 5-methylisoxazole- 4-carboxamides
PT65910B (en) Process for the preparation of asymmetrical bis-carbamoyl
PT64878B (en) Process for the preparation of new indolylalkylpiperidines
PT66694B (en) Process for the preparation of gamma-pyrones
PT65255A (en) Process for the preparation of 11-desoxy-16-aryloxy-delta-tetranorprostaglandins
CH608786A5 (en) Process for the preparation of acetoacetylarylamides
GB1534213A (en) Process for the preparation of basically-substituted phenyl-acetonitriles
GB1546843A (en) Process for the continuous preparation of preformed monocrystals
GB1534077A (en) Process for the preparation of 5-acetoacetylamino-benzimidazolone
GB1552402A (en) Process for the preparation of 3-deoxyanthocyanidins
CH609341A5 (en) Process for the preparation of 5-methylisoxazole- 4-carboxanilides
GB1549547A (en) Process for the preparation of 4-phenoxy-phenols
PT66862A (en) Process for the preparation of cyanoprostaglandins
ZA763221B (en) Process for the preparation of 3-bromobenzalidehyde
PT65821B (en) Process for the preparation of novel d-homosteroids
ATA388379A (en) Process for the preparation of novel diazepinoindoles
PT65176A (en) Process for the preparation of 6-amino-methylated 3-oxygenated cholest-5-enes
PT65357A (en) Process for the preparation of gammapyrones
IL49951A (en) Process for the preparation of htioglycols
IL51271A (en) Process for the preparation of 0-dialkyl-aminomethylphenols

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee
PCPE Delete 'patent ceased' from journal

Free format text: NO.4907,PAGE 906

PCNP Patent ceased through non-payment of renewal fee