FR2025503A1 - - Google Patents

Info

Publication number
FR2025503A1
FR2025503A1 FR6941715A FR6941715A FR2025503A1 FR 2025503 A1 FR2025503 A1 FR 2025503A1 FR 6941715 A FR6941715 A FR 6941715A FR 6941715 A FR6941715 A FR 6941715A FR 2025503 A1 FR2025503 A1 FR 2025503A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6941715A
Other languages
French (fr)
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.)
Kokusai Electric Corp
Original Assignee
Kokusai Electric Corp
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 Kokusai Electric Corp filed Critical Kokusai Electric Corp
Publication of FR2025503A1 publication Critical patent/FR2025503A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • Y10T117/1004—Apparatus with means for measuring, testing, or sensing
    • Y10T117/1008—Apparatus with means for measuring, testing, or sensing with responsive control means
    • 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
    • Y10T117/1032—Seed pulling
    • Y10T117/1072—Seed pulling including details of means providing product movement [e.g., shaft guides, servo means]

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)
FR6941715A 1968-12-06 1969-12-03 Withdrawn FR2025503A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8914268 1968-12-06

Publications (1)

Publication Number Publication Date
FR2025503A1 true FR2025503A1 (en) 1970-09-11

Family

ID=13962605

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6941715A Withdrawn FR2025503A1 (en) 1968-12-06 1969-12-03

Country Status (6)

Country Link
US (1) US3700412A (en)
BE (1) BE742712A (en)
DE (1) DE1961521C3 (en)
FR (1) FR2025503A1 (en)
GB (1) GB1287789A (en)
NL (1) NL6917879A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7207136A (en) * 1971-07-07 1973-01-09
BE790657R (en) * 1971-10-27 1973-02-15 Siemens Ag ELECTRICAL HEATING DEVICE FOR A BAR
GB1434527A (en) * 1972-09-08 1976-05-05 Secr Defence Growth of crystalline material
US5240685A (en) * 1982-07-08 1993-08-31 Zaidan Hojin Handotai Kenkyu Shinkokai Apparatus for growing a GaAs single crystal by pulling from GaAs melt
US4511428A (en) * 1982-07-09 1985-04-16 International Business Machines Corporation Method of controlling oxygen content and distribution in grown silicon crystals
US5560759A (en) * 1994-11-14 1996-10-01 Lucent Technologies Inc. Core insertion method for making optical fiber preforms and optical fibers fabricated therefrom
WO1999009237A1 (en) * 1997-08-19 1999-02-25 Shin-Etsu Handotai Co., Ltd. Apparatus and method for producing single crystal
CN112301425A (en) * 2019-07-31 2021-02-02 内蒙古中环光伏材料有限公司 Large-argon flow crystal pulling method for large-size monocrystalline silicon rod

Also Published As

Publication number Publication date
DE1961521C3 (en) 1974-03-07
GB1287789A (en) 1972-09-06
DE1961521B2 (en) 1972-06-15
DE1961521A1 (en) 1970-08-13
BE742712A (en) 1970-05-14
US3700412A (en) 1972-10-24
NL6917879A (en) 1970-06-09

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Legal Events

Date Code Title Description
ST Notification of lapse