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BE795488A - MELTING PROCESS BY ZONES WITHOUT CRUCIBLE OF A SEMICONDUCTOR BAR - Google Patents

MELTING PROCESS BY ZONES WITHOUT CRUCIBLE OF A SEMICONDUCTOR BAR

Info

Publication number
BE795488A
BE795488A BE795488DA BE795488A BE 795488 A BE795488 A BE 795488A BE 795488D A BE795488D A BE 795488DA BE 795488 A BE795488 A BE 795488A
Authority
BE
Belgium
Prior art keywords
crucible
zones
melting process
semiconductor bar
semiconductor
Prior art date
Application number
Other languages
French (fr)
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.)
Publication date
Publication of BE795488A publication Critical patent/BE795488A/en

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
    • C30B13/28—Controlling or regulating
    • C30B13/30—Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (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)
BE795488D 1972-09-28 MELTING PROCESS BY ZONES WITHOUT CRUCIBLE OF A SEMICONDUCTOR BAR BE795488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722247651 DE2247651C3 (en) 1972-09-28 1972-09-28 Device for controlling the diameter of a semiconductor rod

Publications (1)

Publication Number Publication Date
BE795488A true BE795488A (en) 1973-05-29

Family

ID=5857653

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795488D BE795488A (en) 1972-09-28 MELTING PROCESS BY ZONES WITHOUT CRUCIBLE OF A SEMICONDUCTOR BAR

Country Status (5)

Country Link
JP (1) JPS548356B2 (en)
BE (1) BE795488A (en)
DE (1) DE2247651C3 (en)
NL (1) NL7306684A (en)
SU (1) SU550958A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2529329C3 (en) * 1975-07-01 1982-06-16 Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen Process for crucible zone melting
JPH0651599B2 (en) * 1987-12-05 1994-07-06 信越半導体株式会社 Floating band control method
JP4677882B2 (en) * 2005-11-10 2011-04-27 信越半導体株式会社 Semiconductor crystal manufacturing method and semiconductor crystal manufacturing apparatus

Also Published As

Publication number Publication date
DE2247651C3 (en) 1979-07-12
JPS548356B2 (en) 1979-04-14
DE2247651B2 (en) 1978-11-16
JPS4972181A (en) 1974-07-12
SU550958A3 (en) 1977-03-15
NL7306684A (en) 1974-04-01
DE2247651A1 (en) 1974-04-04

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19860228