FR2276094B1 - - Google Patents

Info

Publication number
FR2276094B1
FR2276094B1 FR7520320A FR7520320A FR2276094B1 FR 2276094 B1 FR2276094 B1 FR 2276094B1 FR 7520320 A FR7520320 A FR 7520320A FR 7520320 A FR7520320 A FR 7520320A FR 2276094 B1 FR2276094 B1 FR 2276094B1
Authority
FR
France
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
FR7520320A
Other languages
French (fr)
Other versions
FR2276094A1 (en
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of FR2276094A1 publication Critical patent/FR2276094A1/en
Application granted granted Critical
Publication of FR2276094B1 publication Critical patent/FR2276094B1/fr
Granted 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
    • 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
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/16Oxides
    • C30B29/20Aluminium oxides
FR7520320A 1974-06-28 1975-06-27 PROCESS FOR THE PREPARATION OF ALPHA ALUMINA SINGLE CRYSTALS Granted FR2276094A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48425774A 1974-06-28 1974-06-28

Publications (2)

Publication Number Publication Date
FR2276094A1 FR2276094A1 (en) 1976-01-23
FR2276094B1 true FR2276094B1 (en) 1978-09-22

Family

ID=23923402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7520320A Granted FR2276094A1 (en) 1974-06-28 1975-06-27 PROCESS FOR THE PREPARATION OF ALPHA ALUMINA SINGLE CRYSTALS

Country Status (4)

Country Link
JP (1) JPS5118999A (en)
DE (1) DE2528585C3 (en)
FR (1) FR2276094A1 (en)
GB (1) GB1515543A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2702145C3 (en) * 1976-02-09 1981-06-04 Union Carbide Corp., 10017 New York, N.Y. Process for the production of a doped α-alumina single crystal oriented in the r-plane and having a circular cross-section
JP2006151745A (en) * 2004-11-29 2006-06-15 Kyocera Corp Method for producing single crystal and oxide single crystal obtained by using the same
JP4735334B2 (en) * 2006-03-02 2011-07-27 住友金属鉱山株式会社 Method for producing aluminum oxide single crystal
JP5888198B2 (en) * 2012-09-26 2016-03-16 住友金属鉱山株式会社 Sapphire single crystal manufacturing equipment
FR3095972B1 (en) 2019-05-13 2023-07-07 Safran Aircraft Engines Mold for manufacturing a part by metal casting and epitaxial growth and associated manufacturing process

Also Published As

Publication number Publication date
GB1515543A (en) 1978-06-28
JPS5118999A (en) 1976-02-14
DE2528585C3 (en) 1979-10-11
DE2528585A1 (en) 1976-01-08
JPS554690B2 (en) 1980-01-31
DE2528585B2 (en) 1979-02-22
FR2276094A1 (en) 1976-01-23

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