BE789553A - APPARATUS FOR PRODUCING SINGLE CRYSTALS FROM A MELTED MASS, PROCESS FOR GROWING SINGLE CRYSTALS USING THIS APPARATUS AND SINGLE CRYSTALS THUS OBTAINED - Google Patents

APPARATUS FOR PRODUCING SINGLE CRYSTALS FROM A MELTED MASS, PROCESS FOR GROWING SINGLE CRYSTALS USING THIS APPARATUS AND SINGLE CRYSTALS THUS OBTAINED

Info

Publication number
BE789553A
BE789553A BE789553A BE789553A BE789553A BE 789553 A BE789553 A BE 789553A BE 789553 A BE789553 A BE 789553A BE 789553 A BE789553 A BE 789553A BE 789553 A BE789553 A BE 789553A
Authority
BE
Belgium
Prior art keywords
single crystals
growing
producing
melted mass
crystals
Prior art date
Application number
BE789553A
Other languages
French (fr)
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Publication of BE789553A publication Critical patent/BE789553A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/08Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • G01B11/10Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving
    • G01B11/105Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving using photoelectric detection means
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B15/00Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/20Controlling or regulating
    • C30B15/22Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
    • C30B15/26Stabilisation 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
BE789553A 1971-10-01 1972-09-29 APPARATUS FOR PRODUCING SINGLE CRYSTALS FROM A MELTED MASS, PROCESS FOR GROWING SINGLE CRYSTALS USING THIS APPARATUS AND SINGLE CRYSTALS THUS OBTAINED BE789553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712149093 DE2149093C3 (en) 1971-10-01 1971-10-01 Device for growing single crystals by pulling them from a melt

Publications (1)

Publication Number Publication Date
BE789553A true BE789553A (en) 1973-03-29

Family

ID=5821216

Family Applications (2)

Application Number Title Priority Date Filing Date
BE789553A BE789553A (en) 1971-10-01 1972-09-29 APPARATUS FOR PRODUCING SINGLE CRYSTALS FROM A MELTED MASS, PROCESS FOR GROWING SINGLE CRYSTALS USING THIS APPARATUS AND SINGLE CRYSTALS THUS OBTAINED
BE789554A BE789554A (en) 1971-10-01 1972-09-29 SYSTEM FOR REGULATING THE GROWTH OF A CRYSTAL BY DRAWING FROM A MELTED MASS, PROCESS FOR PRODUCING CRYSTALS BY MEANS OF THIS SYSTEM OF REGULATION AND CRYSTALS THUS OBTAINED

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE789554A BE789554A (en) 1971-10-01 1972-09-29 SYSTEM FOR REGULATING THE GROWTH OF A CRYSTAL BY DRAWING FROM A MELTED MASS, PROCESS FOR PRODUCING CRYSTALS BY MEANS OF THIS SYSTEM OF REGULATION AND CRYSTALS THUS OBTAINED

Country Status (10)

Country Link
JP (2) JPS5238512B2 (en)
AU (2) AU4716872A (en)
BE (2) BE789553A (en)
CA (1) CA997255A (en)
CH (2) CH558206A (en)
DE (1) DE2149093C3 (en)
FR (2) FR2154776B1 (en)
GB (2) GB1400593A (en)
IT (2) IT967977B (en)
NL (2) NL7213118A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612863B2 (en) * 1973-07-11 1981-03-25
JPS6033299A (en) * 1983-07-29 1985-02-20 Toshiba Corp Apparatus for preparing single crystal
JPS63307186A (en) * 1987-06-05 1988-12-14 Shin Etsu Handotai Co Ltd Crystal diameter controller in crystallization
FI87660C (en) * 1988-03-03 1993-02-10 Leybold Ag Method and apparatus for drawing monocrystals
FI911857A (en) * 1990-04-27 1991-10-28 Nippon Kokan Kk FOERFARANDE OCH APPARAT FOER KONTROLL AV DIAMETERN HOS EN ENSKILD SILIKONKRISTALL.
DE4301072B4 (en) * 1993-01-16 2006-08-24 Crystal Growing Systems Gmbh Process for pulling single crystals from a melt
CN115178756B (en) * 2022-07-15 2023-05-12 中国科学院重庆绿色智能技术研究院 High-resolution imaging device and method for laser selective melting transient molten pool characteristics
CN115613121A (en) * 2022-11-18 2023-01-17 浙江晶盛机电股份有限公司 Crystal production equipment and seed crystal breaking method

Also Published As

Publication number Publication date
GB1400593A (en) 1975-07-16
IT967977B (en) 1974-03-11
FR2154776B1 (en) 1976-08-20
FR2154777B1 (en) 1976-08-20
GB1405447A (en) 1975-09-10
JPS5238512B2 (en) 1977-09-29
CA997255A (en) 1976-09-21
BE789554A (en) 1973-03-29
CH559062A5 (en) 1975-02-28
FR2154777A1 (en) 1973-05-11
NL7213119A (en) 1973-04-03
JPS4842981A (en) 1973-06-21
DE2149093B2 (en) 1974-12-05
DE2149093C3 (en) 1975-07-24
AU4716872A (en) 1974-04-04
JPS4842980A (en) 1973-06-21
IT967978B (en) 1974-03-11
FR2154776A1 (en) 1973-05-11
NL7213118A (en) 1973-04-03
JPS533757B2 (en) 1978-02-09
DE2149093A1 (en) 1973-04-05
AU4716772A (en) 1974-04-04
CH558206A (en) 1975-01-31

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