FR2297670B1 - - Google Patents

Info

Publication number
FR2297670B1
FR2297670B1 FR7500973A FR7500973A FR2297670B1 FR 2297670 B1 FR2297670 B1 FR 2297670B1 FR 7500973 A FR7500973 A FR 7500973A FR 7500973 A FR7500973 A FR 7500973A FR 2297670 B1 FR2297670 B1 FR 2297670B1
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
FR7500973A
Other languages
French (fr)
Other versions
FR2297670A1 (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.)
INST KRISTALLOGRAFII AKADEMII
Original Assignee
INST KRISTALLOGRAFII AKADEMII
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 INST KRISTALLOGRAFII AKADEMII filed Critical INST KRISTALLOGRAFII AKADEMII
Priority to FR7500973A priority Critical patent/FR2297670A1/fr
Publication of FR2297670A1 publication Critical patent/FR2297670A1/fr
Application granted granted Critical
Publication of FR2297670B1 publication Critical patent/FR2297670B1/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
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C30B11/007—Mechanisms for moving either the charge or the heater
    • 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
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C30B11/003—Heating or cooling of the melt or the crystallised material
    • 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
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/28—Controlling or regulating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/62—Heating elements specially adapted for furnaces
    • H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater

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)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
FR7500973A 1975-01-14 1975-01-14 Dispositif pour la croissance de monocristaux d'oxydes refractaires Granted FR2297670A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7500973A FR2297670A1 (fr) 1975-01-14 1975-01-14 Dispositif pour la croissance de monocristaux d'oxydes refractaires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7500973A FR2297670A1 (fr) 1975-01-14 1975-01-14 Dispositif pour la croissance de monocristaux d'oxydes refractaires

Publications (2)

Publication Number Publication Date
FR2297670A1 FR2297670A1 (fr) 1976-08-13
FR2297670B1 true FR2297670B1 (da) 1978-02-03

Family

ID=9149742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7500973A Granted FR2297670A1 (fr) 1975-01-14 1975-01-14 Dispositif pour la croissance de monocristaux d'oxydes refractaires

Country Status (1)

Country Link
FR (1) FR2297670A1 (da)

Also Published As

Publication number Publication date
FR2297670A1 (fr) 1976-08-13

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Legal Events

Date Code Title Description
ST Notification of lapse