FR2340130B2 - - Google Patents

Info

Publication number
FR2340130B2
FR2340130B2 FR7703494A FR7703494A FR2340130B2 FR 2340130 B2 FR2340130 B2 FR 2340130B2 FR 7703494 A FR7703494 A FR 7703494A FR 7703494 A FR7703494 A FR 7703494A FR 2340130 B2 FR2340130 B2 FR 2340130B2
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
FR7703494A
Other languages
French (fr)
Other versions
FR2340130A2 (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 FR2340130A2 publication Critical patent/FR2340130A2/fr
Application granted granted Critical
Publication of FR2340130B2 publication Critical patent/FR2340130B2/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)
FR7703494A 1976-02-09 1977-02-08 Procede de preparation de monocristaux d'alumine alpha Granted FR2340130A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65673676A 1976-02-09 1976-02-09

Publications (2)

Publication Number Publication Date
FR2340130A2 FR2340130A2 (fr) 1977-09-02
FR2340130B2 true FR2340130B2 (enrdf_load_html_response) 1983-07-08

Family

ID=24634338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7703494A Granted FR2340130A2 (fr) 1976-02-09 1977-02-08 Procede de preparation de monocristaux d'alumine alpha

Country Status (3)

Country Link
JP (1) JPS52107298A (enrdf_load_html_response)
DE (1) DE2702145C3 (enrdf_load_html_response)
FR (1) FR2340130A2 (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012012242A (ja) * 2010-06-30 2012-01-19 Showa Denko Kk サファイア単結晶の製造方法、サファイア基板および半導体発光素子

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2430910C3 (de) * 1974-06-27 1981-01-08 Varta Batterie Ag, 3000 Hannover Verfahren zur Herstellung von Silber-(H)-oxid für galvanische Elemente
DE2528585C3 (de) * 1974-06-28 1979-10-11 Union Carbide Corp., New York, N.Y. (V.St.A.) Verfahren zur Herstellung von dotierten a -Aluminiumoxid-Einkristallen

Also Published As

Publication number Publication date
DE2702145A1 (de) 1977-09-01
DE2702145B2 (de) 1980-10-16
FR2340130A2 (fr) 1977-09-02
DE2702145C3 (de) 1981-06-04
JPS52107298A (en) 1977-09-08

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