FR2276094A1 - Procede de preparation de monocristaux d'alumine alpha - Google Patents

Procede de preparation de monocristaux d'alumine alpha

Info

Publication number
FR2276094A1
FR2276094A1 FR7520320A FR7520320A FR2276094A1 FR 2276094 A1 FR2276094 A1 FR 2276094A1 FR 7520320 A FR7520320 A FR 7520320A FR 7520320 A FR7520320 A FR 7520320A FR 2276094 A1 FR2276094 A1 FR 2276094A1
Authority
FR
France
Prior art keywords
preparation
single crystals
alpha alumina
alumina single
alpha
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.)
Granted
Application number
FR7520320A
Other languages
English (en)
Other versions
FR2276094B1 (fr
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/fr
Application granted granted Critical
Publication of FR2276094B1 publication Critical patent/FR2276094B1/fr
Granted legal-status Critical Current

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
    • 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
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/20—Aluminium oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR7520320A 1974-06-28 1975-06-27 Procede de preparation de monocristaux d'alumine alpha Granted FR2276094A1 (fr)

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 true FR2276094A1 (fr) 1976-01-23
FR2276094B1 FR2276094B1 (fr) 1978-09-22

Family

ID=23923402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7520320A Granted FR2276094A1 (fr) 1974-06-28 1975-06-27 Procede de preparation de monocristaux d'alumine alpha

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2340130A2 (fr) * 1976-02-09 1977-09-02 Union Carbide Corp Procede de preparation de monocristaux d'alumine alpha

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006151745A (ja) * 2004-11-29 2006-06-15 Kyocera Corp 単結晶の製造方法及びそれらを用いた酸化物単結晶
JP4735334B2 (ja) * 2006-03-02 2011-07-27 住友金属鉱山株式会社 酸化アルミニウム単結晶の製造方法
JP5888198B2 (ja) * 2012-09-26 2016-03-16 住友金属鉱山株式会社 サファイア単結晶の製造装置
FR3095972B1 (fr) * 2019-05-13 2023-07-07 Safran Aircraft Engines Moule pour la fabrication d’une pièce par coulée de métal et croissance épitaxiale et procédé de fabrication associé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2340130A2 (fr) * 1976-02-09 1977-09-02 Union Carbide Corp Procede de preparation de monocristaux d'alumine alpha

Also Published As

Publication number Publication date
DE2528585B2 (de) 1979-02-22
GB1515543A (en) 1978-06-28
FR2276094B1 (fr) 1978-09-22
DE2528585A1 (de) 1976-01-08
JPS554690B2 (fr) 1980-01-31
DE2528585C3 (de) 1979-10-11
JPS5118999A (en) 1976-02-14

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