DK135028B - APPLIANCE FOR DISPLAY-FREE ZONE MELTING OF A SEMICONDUCTOR STICK - Google Patents

APPLIANCE FOR DISPLAY-FREE ZONE MELTING OF A SEMICONDUCTOR STICK

Info

Publication number
DK135028B
DK135028B DK626173AA DK626173A DK135028B DK 135028 B DK135028 B DK 135028B DK 626173A A DK626173A A DK 626173AA DK 626173 A DK626173 A DK 626173A DK 135028 B DK135028 B DK 135028B
Authority
DK
Denmark
Prior art keywords
appliance
display
free zone
zone melting
stick
Prior art date
Application number
DK626173AA
Other languages
Danish (da)
Other versions
DK135028C (en
Inventor
W Keller
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
Publication of DK135028B publication Critical patent/DK135028B/en
Application granted granted Critical
Publication of DK135028C publication Critical patent/DK135028C/en

Links

Classifications

    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H05B6/42—Cooling of coils
    • 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

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)
  • General Induction Heating (AREA)
DK626173A 1972-11-21 1973-11-20 APPLIANCE FOR DISPLAY-FREE ZONE MELTING OF A SEMICONDUCTOR STICK DK135028C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2257087A DE2257087C3 (en) 1972-11-21 1972-11-21 Device for crucible-free zone melting of a semiconductor rod

Publications (2)

Publication Number Publication Date
DK135028B true DK135028B (en) 1977-02-28
DK135028C DK135028C (en) 1977-07-25

Family

ID=5862363

Family Applications (1)

Application Number Title Priority Date Filing Date
DK626173A DK135028C (en) 1972-11-21 1973-11-20 APPLIANCE FOR DISPLAY-FREE ZONE MELTING OF A SEMICONDUCTOR STICK

Country Status (4)

Country Link
US (1) US3862348A (en)
DE (1) DE2257087C3 (en)
DK (1) DK135028C (en)
IT (1) IT1001909B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220626A (en) * 1978-04-13 1980-09-02 Monsanto Company RF Induction heating circuits for float zone refining of semiconductor rods
DE2919988A1 (en) * 1979-05-17 1980-11-27 Siemens Ag POWER SUPPLY IN COAXIAL DESIGN
US4628167A (en) * 1985-06-27 1986-12-09 Tocco, Inc. Apparatus for inductively hardneing the interior surface of objects

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1916317C3 (en) * 1969-03-29 1975-07-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Power supply for an induction coil for crucible-free zone melting

Also Published As

Publication number Publication date
DE2257087C3 (en) 1978-12-21
DK135028C (en) 1977-07-25
US3862348A (en) 1975-01-21
IT1001909B (en) 1976-04-30
DE2257087B2 (en) 1978-05-03
DE2257087A1 (en) 1974-05-22

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Legal Events

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