GB1208243A - Crystalline corundum - Google Patents

Crystalline corundum

Info

Publication number
GB1208243A
GB1208243A GB8024/69A GB802469A GB1208243A GB 1208243 A GB1208243 A GB 1208243A GB 8024/69 A GB8024/69 A GB 8024/69A GB 802469 A GB802469 A GB 802469A GB 1208243 A GB1208243 A GB 1208243A
Authority
GB
United Kingdom
Prior art keywords
feb
crucible
melt
rectangular
crystalline corundum
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
GB8024/69A
Other languages
English (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 GB1208243A publication Critical patent/GB1208243A/en
Expired 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
    • C30B15/10—Crucibles or containers for supporting the melt
    • 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)
GB8024/69A 1968-02-15 1969-02-14 Crystalline corundum Expired GB1208243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70585468A 1968-02-15 1968-02-15

Publications (1)

Publication Number Publication Date
GB1208243A true GB1208243A (en) 1970-10-07

Family

ID=24835232

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8024/69A Expired GB1208243A (en) 1968-02-15 1969-02-14 Crystalline corundum

Country Status (6)

Country Link
CA (1) CA925002A (de)
CH (1) CH495289A (de)
DE (1) DE1907374B2 (de)
FR (1) FR2001988A1 (de)
GB (1) GB1208243A (de)
IL (1) IL31601A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1133889B (it) * 1980-10-14 1986-07-24 Fava Essiccatoi Elemento trasportatore in essiccatoio a nastri
JP2966322B2 (ja) * 1995-02-27 1999-10-25 三菱マテリアルシリコン株式会社 シリコン単結晶インゴット及びその製造方法
DE19750996A1 (de) * 1997-11-18 1999-05-20 Antonius Opgenorth Plattenbandförderer für Steil- und Senkrechtförderung

Also Published As

Publication number Publication date
CA925002A (en) 1973-04-24
FR2001988A1 (de) 1969-10-03
DE1907374C3 (de) 1975-03-06
IL31601A0 (en) 1969-04-30
DE1907374B2 (de) 1974-07-18
DE1907374A1 (de) 1969-09-11
IL31601A (en) 1972-04-27
CH495289A (fr) 1970-08-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees