NL140750B - METHOD AND DEVICE FOR THE VACUUM ZONE MELTING OF ROD-SHAPED MATERIAL. - Google Patents

METHOD AND DEVICE FOR THE VACUUM ZONE MELTING OF ROD-SHAPED MATERIAL.

Info

Publication number
NL140750B
NL140750B NL6712840A NL6712840A NL140750B NL 140750 B NL140750 B NL 140750B NL 6712840 A NL6712840 A NL 6712840A NL 6712840 A NL6712840 A NL 6712840A NL 140750 B NL140750 B NL 140750B
Authority
NL
Netherlands
Prior art keywords
rod
shaped material
zone melting
vacuum zone
vacuum
Prior art date
Application number
NL6712840A
Other languages
Dutch (nl)
Other versions
NL6712840A (en
Original Assignee
Balzers Patent Beteilig 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 Balzers Patent Beteilig Ag filed Critical Balzers Patent Beteilig Ag
Publication of NL6712840A publication Critical patent/NL6712840A/xx
Publication of NL140750B publication Critical patent/NL140750B/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
    • C30B13/22—Heating of the molten zone by irradiation or electric discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/305—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Manufacture And Refinement Of Metals (AREA)
NL6712840A 1967-08-14 1967-09-20 METHOD AND DEVICE FOR THE VACUUM ZONE MELTING OF ROD-SHAPED MATERIAL. NL140750B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1153767A CH458566A (en) 1967-08-14 1967-08-14 Method and device for zone melting in a vacuum with electron beam bombardment

Publications (2)

Publication Number Publication Date
NL6712840A NL6712840A (en) 1969-02-18
NL140750B true NL140750B (en) 1974-01-15

Family

ID=4374471

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6712840A NL140750B (en) 1967-08-14 1967-09-20 METHOD AND DEVICE FOR THE VACUUM ZONE MELTING OF ROD-SHAPED MATERIAL.

Country Status (5)

Country Link
CH (1) CH458566A (en)
DE (1) DE1769751C3 (en)
FR (1) FR1576943A (en)
GB (1) GB1179805A (en)
NL (1) NL140750B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190300A (en) * 1983-04-08 1984-10-29 Hitachi Ltd Method and apparatus for production of semiconductor

Also Published As

Publication number Publication date
DE1769751C3 (en) 1974-03-28
CH458566A (en) 1968-06-30
NL6712840A (en) 1969-02-18
DE1769751A1 (en) 1971-09-16
FR1576943A (en) 1969-08-01
DE1769751B2 (en) 1973-08-23
GB1179805A (en) 1970-02-04

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