GB1386356A - Zone melting process - Google Patents

Zone melting process

Info

Publication number
GB1386356A
GB1386356A GB3340772A GB3340772A GB1386356A GB 1386356 A GB1386356 A GB 1386356A GB 3340772 A GB3340772 A GB 3340772A GB 3340772 A GB3340772 A GB 3340772A GB 1386356 A GB1386356 A GB 1386356A
Authority
GB
United Kingdom
Prior art keywords
charge
narrower
cross
section
zone melting
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3340772A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Preussag AG
Original Assignee
Preussag 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 Preussag AG filed Critical Preussag AG
Publication of GB1386356A publication Critical patent/GB1386356A/en
Expired legal-status Critical Current

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
    • C30B13/18—Heating of the molten zone the heating element being in contact with, or immersed in, the molten zone

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)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Recrystallisation Techniques (AREA)
GB3340772A 1971-07-15 1972-07-17 Zone melting process Expired GB1386356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712135305 DE2135305C3 (de) 1971-07-15 1971-07-15 Verfahren zum Zonenschmelzen

Publications (1)

Publication Number Publication Date
GB1386356A true GB1386356A (en) 1975-03-05

Family

ID=5813720

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3340772A Expired GB1386356A (en) 1971-07-15 1972-07-17 Zone melting process

Country Status (4)

Country Link
JP (1) JPS5116004B1 (enrdf_load_stackoverflow)
DE (1) DE2135305C3 (enrdf_load_stackoverflow)
FR (1) FR2145534B1 (enrdf_load_stackoverflow)
GB (1) GB1386356A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5381203U (enrdf_load_stackoverflow) * 1976-12-07 1978-07-06
JPS5427006U (enrdf_load_stackoverflow) * 1977-07-25 1979-02-22
JPS5430002U (enrdf_load_stackoverflow) * 1977-07-29 1979-02-27

Also Published As

Publication number Publication date
FR2145534A1 (enrdf_load_stackoverflow) 1973-02-23
DE2135305C3 (de) 1975-04-10
JPS5116004B1 (enrdf_load_stackoverflow) 1976-05-21
DE2135305A1 (de) 1973-02-01
FR2145534B1 (enrdf_load_stackoverflow) 1978-03-03
DE2135305B2 (de) 1973-09-20

Similar Documents

Publication Publication Date Title
IL57164A0 (en) Method of making filamentary material from molten metal
ZA742299B (en) Method and apparatus for the heattreatment of fine-grained material
ZA742460B (en) Method and apparatus for the heattreatment of fine-grained material
FR2280654A1 (fr) Procede pour la preparation a haut rendement de copolymeres de l'ethylene avec le 1,3-butadiene
CS179949B2 (en) Method for production of novel d-homopregn-4-ene 3,20-diones
GB1386356A (en) Zone melting process
GB1081827A (en) Improvements in or relating to a floating zone process
GB1375132A (enrdf_load_stackoverflow)
GB894739A (en) Improvements in or relating to methods for the treatment of meltable material in rod-shaped form by zone-melting
GB1180074A (en) Improvements in or relating to Metal Melting Apparatus.
CH453376A (fr) Procédé continu de production de l'hexaméthylènediamine
Libsch Induction heating and solid state technology(Induction heating contributions to solid state technology including zone refining and zone leveling, growth of metallic and nonmetallic single crystals, thin film production and epitaxial growth)
GB1375133A (enrdf_load_stackoverflow)
FR1445649A (fr) Nouveau support pour la culture et l'ensemencement du mycelium de champignon, et son procédé de préparation
GB1377428A (en) Synthetic corundum
JPS542910A (en) Manufacture of powder metallurgical product
CA818425A (en) Method of crucible-free zone melting of semiconductor material, particularly silicon
JPS52138417A (en) Production of cast iron
OA04276A (fr) Procédé et installations pour l'obtention en continu de citroflavonoïdes à partir d'agrumes.
GB1191166A (en) Zone Melting
CA881414A (en) Direct production of monotungsten carbide from ores
JPS5257136A (en) Esterification process
CA868253A (en) Process for the production of dyeings on fibre material consisting of polymeric or copolymeric acrylonitrile
JPS5352204A (en) Raw material feeding apparatus for reducing furnace
AU481341B2 (en) Process and apparatus for steel production bythe continuous melting of charge material

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee