IT1046553B - INBUCTION HEATING COIL FOR ZONE-FREE ZONE CASTING OF SEMICONDUCTIVE STICKS - Google Patents

INBUCTION HEATING COIL FOR ZONE-FREE ZONE CASTING OF SEMICONDUCTIVE STICKS

Info

Publication number
IT1046553B
IT1046553B IT1980074A IT1980074A IT1046553B IT 1046553 B IT1046553 B IT 1046553B IT 1980074 A IT1980074 A IT 1980074A IT 1980074 A IT1980074 A IT 1980074A IT 1046553 B IT1046553 B IT 1046553B
Authority
IT
Italy
Prior art keywords
zone
inbuction
semiconductive
sticks
heating coil
Prior art date
Application number
IT1980074A
Other languages
Italian (it)
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 IT1046553B publication Critical patent/IT1046553B/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)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
IT1980074A 1973-02-01 1974-01-25 INBUCTION HEATING COIL FOR ZONE-FREE ZONE CASTING OF SEMICONDUCTIVE STICKS IT1046553B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732304974 DE2304974C3 (en) 1973-02-01 1973-02-01 Water-cooled induction heating coil for crucible-free zone melting of rods made of semiconductor material

Publications (1)

Publication Number Publication Date
IT1046553B true IT1046553B (en) 1980-07-31

Family

ID=5870662

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1980074A IT1046553B (en) 1973-02-01 1974-01-25 INBUCTION HEATING COIL FOR ZONE-FREE ZONE CASTING OF SEMICONDUCTIVE STICKS

Country Status (6)

Country Link
JP (1) JPS5510117B2 (en)
BE (1) BE810520R (en)
DE (1) DE2304974C3 (en)
FR (1) FR2216747B2 (en)
GB (1) GB1427372A (en)
IT (1) IT1046553B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938793A1 (en) * 1979-09-25 1981-04-16 Siemens AG, 1000 Berlin und 8000 München Flat induction coil for localised treatment of semiconductor bars - has separable halves with independent coolant circuits and conductive zones on separation faces
JPH0363294U (en) * 1988-11-17 1991-06-20
FR2654583B1 (en) * 1989-11-22 1992-09-11 Expanchimie PROCESS FOR THE EXTRACTION OF CHOLESTEROL CONTAINED IN AN FAT MATERIAL OF ANIMAL ORIGIN.

Also Published As

Publication number Publication date
FR2216747A2 (en) 1974-08-30
BE810520R (en) 1974-05-29
GB1427372A (en) 1976-03-10
DE2304974C3 (en) 1980-07-10
DE2304974A1 (en) 1974-08-08
FR2216747B2 (en) 1980-07-18
JPS49111243A (en) 1974-10-23
JPS5510117B2 (en) 1980-03-13
DE2304974B2 (en) 1979-10-11

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