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CH472236A - Device for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod - Google Patents

Device for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod

Info

Publication number
CH472236A
CH472236A CH804468A CH804468A CH472236A CH 472236 A CH472236 A CH 472236A CH 804468 A CH804468 A CH 804468A CH 804468 A CH804468 A CH 804468A CH 472236 A CH472236 A CH 472236A
Authority
CH
Switzerland
Prior art keywords
rod
crucible
free zone
zone melting
crystalline
Prior art date
Application number
CH804468A
Other languages
German (de)
Inventor
Wolfgang Dr 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
Priority to CH804468A priority Critical patent/CH472236A/en
Priority to DE19681809847 priority patent/DE1809847B2/en
Priority to DK199969A priority patent/DK120434B/en
Priority to NL6905939A priority patent/NL6905939A/xx
Publication of CH472236A publication Critical patent/CH472236A/en
Priority to GB1230726D priority patent/GB1230726A/en
Priority to FR6917596A priority patent/FR2009656A1/fr
Priority to SE757269A priority patent/SE359753B/xx
Priority to ES367833A priority patent/ES367833A1/en
Priority to BE733780D priority patent/BE733780A/xx

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

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)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • General Induction Heating (AREA)
  • Furnace Details (AREA)
CH804468A 1968-05-30 1968-05-30 Device for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod CH472236A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CH804468A CH472236A (en) 1968-05-30 1968-05-30 Device for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod
DE19681809847 DE1809847B2 (en) 1968-05-30 1968-11-15 DEVICE FOR CRUCIBLE-FREE ZONE MELTING OF A CRYSTALLINE ROD, IN PARTICULAR SEMICONDUCTOR ROD
DK199969A DK120434B (en) 1968-05-30 1969-04-11 Apparatus for crucible zone melting of a crystalline rod, in particular semiconductor rod.
NL6905939A NL6905939A (en) 1968-05-30 1969-04-17
GB1230726D GB1230726A (en) 1968-05-30 1969-05-29
FR6917596A FR2009656A1 (en) 1968-05-30 1969-05-29
SE757269A SE359753B (en) 1968-05-30 1969-05-29
ES367833A ES367833A1 (en) 1968-05-30 1969-05-29 Improvements in the construction of devices for fusion without crisol by zones of a crystal bar. (Machine-translation by Google Translate, not legally binding)
BE733780D BE733780A (en) 1968-05-30 1969-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH804468A CH472236A (en) 1968-05-30 1968-05-30 Device for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod

Publications (1)

Publication Number Publication Date
CH472236A true CH472236A (en) 1969-05-15

Family

ID=4334271

Family Applications (1)

Application Number Title Priority Date Filing Date
CH804468A CH472236A (en) 1968-05-30 1968-05-30 Device for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod

Country Status (9)

Country Link
BE (1) BE733780A (en)
CH (1) CH472236A (en)
DE (1) DE1809847B2 (en)
DK (1) DK120434B (en)
ES (1) ES367833A1 (en)
FR (1) FR2009656A1 (en)
GB (1) GB1230726A (en)
NL (1) NL6905939A (en)
SE (1) SE359753B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0292920A1 (en) * 1987-05-25 1988-11-30 Shin-Etsu Handotai Company Limited RF Induction heating apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3625669A1 (en) * 1986-07-29 1988-02-04 Siemens Ag INDUCTION HEATER FOR POT-FREE ZONE MELTING
DE3805118A1 (en) * 1988-02-18 1989-08-24 Wacker Chemitronic METHOD FOR PULL-FREE ZONE DRAWING OF SEMICONDUCTOR RODS AND INDUCTION HEATING COIL FOR ITS IMPLEMENTATION

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0292920A1 (en) * 1987-05-25 1988-11-30 Shin-Etsu Handotai Company Limited RF Induction heating apparatus

Also Published As

Publication number Publication date
FR2009656A1 (en) 1970-02-06
DE1809847C3 (en) 1974-04-18
DE1809847A1 (en) 1969-12-11
ES367833A1 (en) 1971-04-16
GB1230726A (en) 1971-05-05
DE1809847B2 (en) 1973-09-06
BE733780A (en) 1969-11-03
DK120434B (en) 1971-06-01
NL6905939A (en) 1969-12-02
SE359753B (en) 1973-09-10

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Legal Events

Date Code Title Description
PL Patent ceased