IT1015398B - Dispositivo di comando per un apparato per la crescita di monocristalli - Google Patents

Dispositivo di comando per un apparato per la crescita di monocristalli

Info

Publication number
IT1015398B
IT1015398B IT24420/74A IT2442074A IT1015398B IT 1015398 B IT1015398 B IT 1015398B IT 24420/74 A IT24420/74 A IT 24420/74A IT 2442074 A IT2442074 A IT 2442074A IT 1015398 B IT1015398 B IT 1015398B
Authority
IT
Italy
Prior art keywords
control device
growth apparatus
monocrystal growth
monocrystal
control
Prior art date
Application number
IT24420/74A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1015398B publication Critical patent/IT1015398B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0681—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
    • F16C32/0685—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load for radial load only
    • 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
    • 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
    • C30B15/28—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal using weight changes of the crystal or the melt, e.g. flotation methods
    • 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
    • C30B15/30—Mechanisms for rotating or moving either the melt or 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
IT24420/74A 1973-06-28 1974-06-25 Dispositivo di comando per un apparato per la crescita di monocristalli IT1015398B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7323686A FR2235458B1 (it) 1973-06-28 1973-06-28

Publications (1)

Publication Number Publication Date
IT1015398B true IT1015398B (it) 1977-05-10

Family

ID=9121711

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24420/74A IT1015398B (it) 1973-06-28 1974-06-25 Dispositivo di comando per un apparato per la crescita di monocristalli

Country Status (7)

Country Link
US (1) US3966416A (it)
JP (1) JPS5616120B2 (it)
BE (1) BE816922A (it)
DE (1) DE2430813C3 (it)
FR (1) FR2235458B1 (it)
GB (1) GB1458565A (it)
IT (1) IT1015398B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190630A (en) * 1978-01-03 1980-02-26 Vsesojuzny Nauchno-Isslekovatelsky Institut Monokristallov Stsintillyatsionnykh Materialov I Osobo Chistykh Khimicheskikh Veschestv Apparatus for pulling single crystals from melt
FR2470285A1 (fr) * 1979-11-20 1981-05-29 Jeumont Schneider Palier hydrostatique de guidage d'un arbre
ATE161742T1 (de) * 1992-10-06 1998-01-15 Merck & Co Inc Kristallisationsvorrichtung mit zwei strahlen
RU2456385C2 (ru) * 2009-12-14 2012-07-20 Общество с ограниченной ответственностью "Диал" Способ получения монокристаллов и устройство для его осуществления

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1080071B (de) * 1959-02-03 1960-04-21 Paul Lucas Dipl Chem Vorrichtung zum Ziehen von Einkristallen aus einer Schmelze
US3020131A (en) * 1959-10-22 1962-02-06 Knapic Electro Physics Inc Rotating pedestal
US3340016A (en) * 1963-09-26 1967-09-05 Consortium Elektrochem Ind Producing and regulating translatory movement in the manufacture of semiconductor bodies
US3353914A (en) * 1964-12-30 1967-11-21 Martin Marietta Corp Method of seed-pulling beta silicon carbide crystals from a melt containing silver and the product thereof
US3493348A (en) * 1966-07-01 1970-02-03 Ibm Buoyant device in crystal growing

Also Published As

Publication number Publication date
DE2430813C3 (de) 1982-02-25
JPS5037684A (it) 1975-04-08
FR2235458A1 (it) 1975-01-24
DE2430813B2 (de) 1981-03-12
BE816922A (fr) 1974-12-27
DE2430813A1 (de) 1975-01-09
JPS5616120B2 (it) 1981-04-14
FR2235458B1 (it) 1977-05-13
US3966416A (en) 1976-06-29
GB1458565A (en) 1976-12-15

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