GB1053684A - - Google Patents

Info

Publication number
GB1053684A
GB1053684A GB1053684DA GB1053684A GB 1053684 A GB1053684 A GB 1053684A GB 1053684D A GB1053684D A GB 1053684DA GB 1053684 A GB1053684 A GB 1053684A
Authority
GB
United Kingdom
Prior art keywords
rod
ring
magnets
produced
torque
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.)
Active
Application number
Other languages
English (en)
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.)
Publication of GB1053684A publication Critical patent/GB1053684A/en
Active 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
    • C30B13/32—Mechanisms for moving either the charge or the heater
    • 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
    • C30B13/285—Crystal holders, e.g. chucks
    • 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
    • C30B13/30—Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
    • G06K21/02—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed mechanically, e.g. by needle

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • General Induction Heating (AREA)
GB1053684D 1964-07-01 Active GB1053684A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964S0091804 DE1259839B (de) 1964-07-01 1964-07-01 Antrieb einer Halterung beim tiegelfreien Zonenschmelzen

Publications (1)

Publication Number Publication Date
GB1053684A true GB1053684A (enrdf_load_html_response)

Family

ID=7516761

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1053684D Active GB1053684A (enrdf_load_html_response) 1964-07-01

Country Status (4)

Country Link
BE (1) BE666151A (enrdf_load_html_response)
CH (2) CH438219A (enrdf_load_html_response)
DE (1) DE1259839B (enrdf_load_html_response)
GB (1) GB1053684A (enrdf_load_html_response)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL103523C (enrdf_load_html_response) * 1955-08-26
AT213448B (de) * 1958-08-16 1961-02-27 Siemens Ag Einrichtung zur Überwachung und/oder Regelung des Schmelzvorganges eines Halbleiterstabes
DE1080071B (de) * 1959-02-03 1960-04-21 Paul Lucas Dipl Chem Vorrichtung zum Ziehen von Einkristallen aus einer Schmelze
DE1165882B (de) * 1960-02-05 1964-03-19 Philips Patentverwaltung Vorrichtung zur Ausfuehrung von Drehbewegungen an stabfoermigen Koerpern, insbesondere an Halbleiterkoerpern

Also Published As

Publication number Publication date
BE666151A (enrdf_load_html_response) 1965-12-30
CH438219A (de) 1967-06-30
CH438215A (de) 1967-06-30
DE1259839B (de) 1968-02-01

Similar Documents

Publication Publication Date Title
CA964710A (en) Rotating electrical machine having rotor and stator cooled by means of heat pipes
US3378710A (en) Magnetic transmission
GB993878A (en) Improvements in or relating to electric motors
GB1471272A (en) Electric stepping motor
GB1504533A (en) Electric induction motors
GB1324147A (en) Permanent magnet rotor for synchronous electric machine
GB1330686A (en) Rotary electric generators
GB1356024A (en) Electric motors
GB1190035A (en) Improvements in High Speed Homopolar Machine
GB1053684A (enrdf_load_html_response)
GB1422522A (en) Dynamo-electric machines of the relictance type
GB1302185A (enrdf_load_html_response)
GB1119492A (en) Improvements in and relating to synchronous electric motors
GB1389983A (en) Electric synchronous motor
GB1512732A (en) Electric motor
GB941186A (en) Adjustable speed alternating current motor
GB1192973A (en) Rotating Anode X-Ray Tube with Magnetic Damper
GB1446198A (en) Magnetic couplings
GB953644A (en) Method of producing a double system of electrical synchronous machines with rotating poles of opposite sign
GB1522733A (en) Synchronous electric motor
GB921270A (en) Improvements in or relating to self-starting single-phase induction motors
GB594582A (en) Improvements in and relating to induction motors
GB721121A (en) Inductive stirring device for metallurgical furnaces
GB1502321A (en) Change speed rotary dynamo-electric machine
GB1436191A (en) Motors