CH388635A - Device for crucible-free zone melting - Google Patents

Device for crucible-free zone melting

Info

Publication number
CH388635A
CH388635A CH441060A CH441060A CH388635A CH 388635 A CH388635 A CH 388635A CH 441060 A CH441060 A CH 441060A CH 441060 A CH441060 A CH 441060A CH 388635 A CH388635 A CH 388635A
Authority
CH
Switzerland
Prior art keywords
crucible
free zone
zone melting
melting
free
Prior art date
Application number
CH441060A
Other languages
German (de)
Inventor
Sporrer Ludwig
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 CH388635A publication Critical patent/CH388635A/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
    • C30B13/16—Heating of the molten zone
    • C30B13/20—Heating of the molten zone by induction, e.g. hot wire technique
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CH441060A 1959-04-28 1960-04-20 Device for crucible-free zone melting CH388635A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES62800A DE1152269B (en) 1959-04-28 1959-04-28 Device for crucible-free zone melting of a semiconductor rod in a vacuum chamber

Publications (1)

Publication Number Publication Date
CH388635A true CH388635A (en) 1965-02-28

Family

ID=7495886

Family Applications (1)

Application Number Title Priority Date Filing Date
CH441060A CH388635A (en) 1959-04-28 1960-04-20 Device for crucible-free zone melting

Country Status (4)

Country Link
BE (1) BE588836A (en)
CH (1) CH388635A (en)
DE (1) DE1152269B (en)
GB (1) GB908729A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1802524B1 (en) * 1968-10-11 1970-06-04 Siemens Ag Device for crucible-free zone melting of a crystalline rod, in particular a semiconductor rod

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061527B (en) * 1953-02-14 1959-07-16 Siemens Ag Process for zone-wise remelting of rods and other elongated workpieces
DE972408C (en) * 1955-05-19 1959-07-16 Zeiss Carl Fa Device for keeping observation windows free of fog in vacuum evaporation systems

Also Published As

Publication number Publication date
DE1152269B (en) 1963-08-01
BE588836A (en) 1960-07-18
GB908729A (en) 1962-10-24

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