CA918547A - Treatment of hollow tubular crystals - Google Patents

Treatment of hollow tubular crystals

Info

Publication number
CA918547A
CA918547A CA065385A CA65385A CA918547A CA 918547 A CA918547 A CA 918547A CA 065385 A CA065385 A CA 065385A CA 65385 A CA65385 A CA 65385A CA 918547 A CA918547 A CA 918547A
Authority
CA
Canada
Prior art keywords
treatment
hollow tubular
tubular crystals
crystals
hollow
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
CA065385A
Other languages
English (en)
Other versions
CA65385S (en
Inventor
Keller Wolfgang
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of CA918547A publication Critical patent/CA918547A/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
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/16—Heating of the molten zone
    • C30B13/20—Heating of the molten zone by induction, e.g. hot wire technique
    • 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
    • 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
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape

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)
  • Manufacture And Refinement Of Metals (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Silicon Compounds (AREA)
CA065385A 1968-10-30 1969-10-21 Treatment of hollow tubular crystals Expired CA918547A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681805971 DE1805971A1 (de) 1968-10-30 1968-10-30 Verfahren zum Veraendern der kristallinen Struktur eines rohrfoermigen Ausgangskristall und/oder zum Veraendern der Konzentration eines in dem rohrfoermigen Ausgangskristall enthaltenen Fremdstoffes

Publications (1)

Publication Number Publication Date
CA918547A true CA918547A (en) 1973-01-09

Family

ID=5711899

Family Applications (1)

Application Number Title Priority Date Filing Date
CA065385A Expired CA918547A (en) 1968-10-30 1969-10-21 Treatment of hollow tubular crystals

Country Status (7)

Country Link
JP (2) JPS5324362B1 (enrdf_load_stackoverflow)
AT (1) AT293341B (enrdf_load_stackoverflow)
CA (1) CA918547A (enrdf_load_stackoverflow)
DE (1) DE1805971A1 (enrdf_load_stackoverflow)
FR (1) FR2021902A1 (enrdf_load_stackoverflow)
GB (1) GB1239515A (enrdf_load_stackoverflow)
NL (1) NL6915612A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE1805971B2 (enrdf_load_stackoverflow) 1970-11-19
AT293341B (de) 1971-10-11
JPS5324362B1 (enrdf_load_stackoverflow) 1978-07-20
FR2021902A1 (enrdf_load_stackoverflow) 1970-07-24
JPS5117483B1 (enrdf_load_stackoverflow) 1976-06-02
GB1239515A (enrdf_load_stackoverflow) 1971-07-14
DE1805971A1 (de) 1970-08-20
NL6915612A (enrdf_load_stackoverflow) 1970-05-04

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