DK134265C - Fremgangsmade og apparat til digelfri zonesmeltning - Google Patents

Fremgangsmade og apparat til digelfri zonesmeltning

Info

Publication number
DK134265C
DK134265C DK500571A DK500571A DK134265C DK 134265 C DK134265 C DK 134265C DK 500571 A DK500571 A DK 500571A DK 500571 A DK500571 A DK 500571A DK 134265 C DK134265 C DK 134265C
Authority
DK
Denmark
Prior art keywords
crucible
appliance
procedure
free zone
zone melting
Prior art date
Application number
DK500571A
Other languages
English (en)
Other versions
DK134265B (da
Inventor
H Stut
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 DK134265B publication Critical patent/DK134265B/da
Application granted granted Critical
Publication of DK134265C publication Critical patent/DK134265C/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B13/00Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/28Controlling or regulating
    • C30B13/30Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B13/00Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/16Heating of the molten zone
    • C30B13/20Heating of the molten zone by induction, e.g. hot wire technique
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B13/00Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/28Controlling or regulating

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)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
DK500571A 1970-10-15 1971-10-14 Fremgangsmade og apparat til digelfri zonesmeltning DK134265C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2050766A DE2050766C3 (de) 1970-10-15 1970-10-15 Verfahren und Vorrichtung zum tiegelfreien Zonenschmelzen

Publications (2)

Publication Number Publication Date
DK134265B DK134265B (da) 1976-10-11
DK134265C true DK134265C (da) 1977-03-07

Family

ID=5785265

Family Applications (1)

Application Number Title Priority Date Filing Date
DK500571A DK134265C (da) 1970-10-15 1971-10-14 Fremgangsmade og apparat til digelfri zonesmeltning

Country Status (7)

Country Link
US (1) US4107448A (da)
BE (1) BE774008A (da)
DE (1) DE2050766C3 (da)
DK (1) DK134265C (da)
FR (1) FR2111210A5 (da)
GB (1) GB1359336A (da)
NL (1) NL7109088A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446562A (en) * 1981-10-13 1984-05-01 Electric Power Rsearch Institute, Inc. Method and apparatus for measuring crucible level of molten metal
US4556448A (en) * 1983-10-19 1985-12-03 International Business Machines Corporation Method for controlled doping of silicon crystals by improved float zone technique
JP2013122911A (ja) * 2011-11-10 2013-06-20 Kanzacc Co Ltd 高周波電流供給電線

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL260305A (da) * 1960-01-20

Also Published As

Publication number Publication date
GB1359336A (en) 1974-07-10
BE774008A (fr) 1972-01-31
DE2050766C3 (de) 1974-06-06
DE2050766B2 (de) 1973-10-31
US4107448A (en) 1978-08-15
DE2050766A1 (de) 1972-04-20
DK134265B (da) 1976-10-11
NL7109088A (da) 1972-04-18
FR2111210A5 (da) 1972-06-02

Similar Documents

Publication Publication Date Title
IT996204B (it) Procedimento ed apparecchio per fondere ed affinare rapidamente vetro
SE373499B (sv) Apparat for bestralning av vetskor
DK153301C (da) Fremgangsmaade til fremstilling af biaksialt orienterede, formblaeste genstande og apparat hertil
NO136376C (no) Fremgangsm}te og apparat for nedramming av peler o.l.
DK133076B (da) Fremgangsmade og apparat til fremstilling af blebukser
FI54744B (fi) Apparat foer bestaemning av syreinnehaollet i en flytande metall
DK136780B (da) Fremgangsmåde til fremstilling af antibiotika S 7481/F-1 og S 7481/F-2.
CS191230B2 (en) Method of quenching loose materials and device for making the method
RO59318A (ro) Procedeu pentru prepararea unor 3-timometil-cefalosporine heterociclice
DK128723B (da) Fremgangsmåde og apparat til frembringelse af tværgående indbyrdes sammenføjning af oven over hinanden forløbende materialebaner.
RO71354A (ro) Procedeu pentru prepararea unor p-halofenil-2-pirolidinone
DK143737C (da) Fremstilling af blikdaasesvoeb og svejsemaskine til udfoerelse af fremgangsmaaden
DK125153B (da) Apparat til varmebehandling og optøning af jord.
IT948008B (it) Metodo ed apparecchio per misurare la frequenza critica di fusione di sfarfallamento
DK132372C (da) Fremgangsmade til fremstilling af tamponer og anleg til udovelse af fremgangsmaden
DK144693C (da) Forbindsstof og fremgangsmaade til fremstilling deraf
DK140822B (da) Fremgangsmåde til digelfri zonesmeltning.
IT964235B (it) Procedimento metallurgico
SE385976B (sv) Forfarande och apparat for isoterm kalorimetri
DK134265C (da) Fremgangsmade og apparat til digelfri zonesmeltning
SE389985B (sv) Forfarande och apparat for svetsning med laserstrale
DK366176A (da) Apparat til digelfri zonesmeltning
AT310964B (de) Umschmelzofen
CS162672B2 (en) Method of n-(2,5-diiodpentyl)-phthalimide making
DK138779B (da) Fremgangsmåde til digelfri zonesmeltning.