NL7300238A - - Google Patents

Info

Publication number
NL7300238A
NL7300238A NL7300238A NL7300238A NL7300238A NL 7300238 A NL7300238 A NL 7300238A NL 7300238 A NL7300238 A NL 7300238A NL 7300238 A NL7300238 A NL 7300238A NL 7300238 A NL7300238 A NL 7300238A
Authority
NL
Netherlands
Application number
NL7300238A
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 filed Critical
Publication of NL7300238A publication Critical patent/NL7300238A/xx

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
    • C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/20—Controlling or regulating
    • C30B15/22—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
    • C30B15/26—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal using television detectors; using photo or X-ray detectors
    • 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
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
NL7300238A 1972-04-27 1973-01-08 NL7300238A (ja�@�@)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2220819A DE2220819B2 (de) 1972-04-27 1972-04-27 Vorrichtung zur Steuerung des Durchmessers eines Halbleiterstabes an der Erstarrungsfront der Schmelzzone beim tiegellosen Zonenschmelzen

Publications (1)

Publication Number Publication Date
NL7300238A true NL7300238A (ja�@�@) 1973-10-30

Family

ID=5843514

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7300238A NL7300238A (ja�@�@) 1972-04-27 1973-01-08

Country Status (5)

Country Link
US (1) US3816650A (ja�@�@)
JP (1) JPS567998B2 (ja�@�@)
BE (1) BE798824A (ja�@�@)
DE (1) DE2220819B2 (ja�@�@)
NL (1) NL7300238A (ja�@�@)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516756A1 (de) * 1975-04-16 1976-10-28 Betr Forsch Inst Angew Forsch Verfahren und vorrichtung zur bestimmung einer flaechenabmessung in einer ebene
DE2846500C2 (de) * 1977-10-31 1984-12-06 Institut problem upravlenija, Moskau/Moskva Steuerungsverfahren für eine bewegliche Energiequelle beim Erhitzen der Oberfläche eines Objekts und Einrichtung zur Durchführung dieses Verfahrens
JPS60112687A (ja) * 1983-11-21 1985-06-19 Nichiden Mach Ltd 単結晶製造方法及び装置

Also Published As

Publication number Publication date
JPS567998B2 (ja�@�@) 1981-02-20
BE798824A (fr) 1973-10-29
US3816650A (en) 1974-06-11
JPS4954278A (ja�@�@) 1974-05-27
DE2220819A1 (de) 1973-11-08
DE2220819B2 (de) 1978-09-28
DE2220819C3 (ja�@�@) 1979-05-23

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