DK135028C - Apparat til digelfri zonesmeltning af en halvlederstav - Google Patents

Apparat til digelfri zonesmeltning af en halvlederstav

Info

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

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 Apparat til digelfri zonesmeltning af en halvlederstav DK135028C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2257087A DE2257087C3 (de) 1972-11-21 1972-11-21 Vorrichtung zum tiegelfreien Zonenschmelzen eines Halbleiterstabes

Publications (2)

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

Family

ID=5862363

Family Applications (1)

Application Number Title Priority Date Filing Date
DK626173A DK135028C (da) 1972-11-21 1973-11-20 Apparat til digelfri zonesmeltning af en halvlederstav

Country Status (4)

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

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 (de) * 1979-05-17 1980-11-27 Siemens Ag Stromzufuehrung in koaxialbauweise
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 (de) * 1969-03-29 1975-07-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Stromzuführung für eine Induktionsspule beim tiegelfreien Zonenschmelzen

Also Published As

Publication number Publication date
DE2257087C3 (de) 1978-12-21
US3862348A (en) 1975-01-21
IT1001909B (it) 1976-04-30
DE2257087A1 (de) 1974-05-22
DK135028B (da) 1977-02-28
DE2257087B2 (de) 1978-05-03

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Legal Events

Date Code Title Description
PBP Patent lapsed