GB954991A - Improvements in or relating to methods of and apparatus for zone-melting - Google Patents

Improvements in or relating to methods of and apparatus for zone-melting

Info

Publication number
GB954991A
GB954991A GB35302/60A GB3530260A GB954991A GB 954991 A GB954991 A GB 954991A GB 35302/60 A GB35302/60 A GB 35302/60A GB 3530260 A GB3530260 A GB 3530260A GB 954991 A GB954991 A GB 954991A
Authority
GB
United Kingdom
Prior art keywords
melting
zone
oct
coil
relating
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
GB35302/60A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB954991A publication Critical patent/GB954991A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/24—Chemical after-treatment
    • C25D11/246—Chemical after-treatment for sealing layers
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
    • Y10T117/10—Apparatus
    • Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
    • Y10T117/1076—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone
    • Y10T117/1084—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone having details of a stabilizing feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
    • Y10T117/10—Apparatus
    • Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
    • Y10T117/1076—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone
    • Y10T117/1088—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone including heating or cooling details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Induction Heating (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Furnace Details (AREA)

Abstract

954,991. Zone-melting. PHILIPS ELECTRICAL INDUSTRIES Ltd. Oct. 14, 1960 [Oct. 19, 1959], No. 35302/60. Heading B1S. [Also in Division H5] In the passage of a molten zone through a material by means of an induction heating coil, at least one solid-liquid interface is maintained substantially flat by means of an adjacent opposed induction coil of insufficient strength to effect melting. The material may be germanium or silicon, and may be in the form of powder or a pre-formed rod. As shown, a central coil 2 is connected in series with a pair of adjacent coils 4 and 5 in parallel with one another to produce moving liquid surfaces 6 and 7 of slightly concave shape. By suitable adjustment, slightly convex surfaces may be produced, Fig. 2 (not shown).
GB35302/60A 1959-10-19 1960-10-14 Improvements in or relating to methods of and apparatus for zone-melting Expired GB954991A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL244489 1959-10-19

Publications (1)

Publication Number Publication Date
GB954991A true GB954991A (en) 1964-04-08

Family

ID=19751988

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35302/60A Expired GB954991A (en) 1959-10-19 1960-10-14 Improvements in or relating to methods of and apparatus for zone-melting

Country Status (5)

Country Link
US (1) US3121619A (en)
CH (1) CH425735A (en)
DE (1) DE1257740B (en)
GB (1) GB954991A (en)
NL (2) NL112520C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250842A (en) * 1963-01-15 1966-05-10 Atomic Energy Commission Electron beam zone refining
US3258314A (en) * 1963-04-12 1966-06-28 Westinghouse Electric Corp Method for interior zone melting of a crystalline rod
US3242015A (en) * 1963-09-24 1966-03-22 Monsanto Co Apparatus and method for producing single crystal structures
US3275417A (en) * 1963-10-15 1966-09-27 Texas Instruments Inc Production of dislocation-free silicon single crystals
DE1262978B (en) * 1965-01-05 1968-03-14 Siemens Ag Method for producing a semiconductor single crystal
DE1275996B (en) * 1965-07-10 1968-08-29 Siemens Ag Device for crucible-free zone melting
DE2234512C3 (en) * 1972-07-13 1979-04-19 Siemens Ag, 1000 Berlin Und 8000 Muenchen Process for the production of (reoriented semiconductor single crystal rods with a specific resistance thawing towards the center of the rod
US5069742A (en) * 1990-02-05 1991-12-03 Bleil Carl E Method and apparatus for crystal ribbon growth
DE10328859B4 (en) * 2003-06-20 2007-09-27 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Method and apparatus for pulling single crystals by zone pulling
CN109139639B (en) * 2018-08-24 2020-10-16 上海宇航系统工程研究所 Light-weight pose-adjustable connecting mechanism capable of being locked quickly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT194444B (en) * 1953-02-26 1958-01-10 Siemens Ag Method and device for treating an elongated semiconductor crystal arrangement
US2743199A (en) * 1955-03-30 1956-04-24 Westinghouse Electric Corp Process of zone refining an elongated body of metal
US2897329A (en) * 1957-09-23 1959-07-28 Sylvania Electric Prod Zone melting apparatus
US2905798A (en) * 1958-09-15 1959-09-22 Lindberg Eng Co Induction heating apparatus
US3323091A (en) * 1964-11-05 1967-05-30 Honeywell Inc Multicore transformer including integral mounting assembly

Also Published As

Publication number Publication date
NL112520C (en)
US3121619A (en) 1964-02-18
CH425735A (en) 1966-12-15
DE1257740B (en) 1968-01-04
NL244489A (en)

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