IT975681B - Sistema di comando di processo computorizzato per l accrescimento di cristalli di quarzo sintetici - Google Patents

Sistema di comando di processo computorizzato per l accrescimento di cristalli di quarzo sintetici

Info

Publication number
IT975681B
IT975681B IT89565/72A IT8956572A IT975681B IT 975681 B IT975681 B IT 975681B IT 89565/72 A IT89565/72 A IT 89565/72A IT 8956572 A IT8956572 A IT 8956572A IT 975681 B IT975681 B IT 975681B
Authority
IT
Italy
Prior art keywords
computorized
growth
control system
process control
synthetic quartz
Prior art date
Application number
IT89565/72A
Other languages
English (en)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT975681B publication Critical patent/IT975681B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/02—Crystallisation from solutions
    • 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
    • Y10T117/1096—Apparatus for crystallization from liquid or supercritical state including pressurized crystallization means [e.g., hydrothermal]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
IT89565/72A 1971-04-07 1972-04-06 Sistema di comando di processo computorizzato per l accrescimento di cristalli di quarzo sintetici IT975681B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00131916A US3805044A (en) 1971-04-07 1971-04-07 Computerized process control system for the growth of synthetic quartz crystals

Publications (1)

Publication Number Publication Date
IT975681B true IT975681B (it) 1974-08-10

Family

ID=22451590

Family Applications (1)

Application Number Title Priority Date Filing Date
IT89565/72A IT975681B (it) 1971-04-07 1972-04-06 Sistema di comando di processo computorizzato per l accrescimento di cristalli di quarzo sintetici

Country Status (8)

Country Link
US (1) US3805044A (it)
BE (1) BE781750A (it)
CA (1) CA957251A (it)
DE (1) DE2215998A1 (it)
FR (1) FR2132727B1 (it)
GB (1) GB1385234A (it)
IL (1) IL39146A (it)
IT (1) IT975681B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922527A (en) * 1974-12-26 1975-11-25 Nat Forge Co Temperature control apparatus
US3971876A (en) * 1974-12-26 1976-07-27 National Forge Company Temperature control apparatus
US4401487A (en) * 1980-11-14 1983-08-30 Hughes Aircraft Company Liquid phase epitaxy of mercury cadmium telluride layer
US5135603A (en) * 1982-03-11 1992-08-04 The United States Of America As Represented By The United States Department Of Energy Quartz crystal growth
US6090202A (en) * 1998-04-29 2000-07-18 Sawyer Research Products, Inc. Method and apparatus for growing crystals
RU2198968C2 (ru) * 2000-05-12 2003-02-20 Сойер Рисерч Продактс, Инк. Способ и устройство для выращивания кристаллов
US8236102B1 (en) * 2008-01-30 2012-08-07 Solid State Scientific Corporation Hydrothermal methods of fabricating trivalent-metal-ion-doped sapphire crystals
US7996096B2 (en) * 2008-02-29 2011-08-09 Fisher Controls International Llc Estimation of process control parameters over predefined travel segments

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183063A (en) * 1961-05-31 1965-05-11 Western Electric Co Autoclave for growing quartz crystals
US3621213A (en) * 1969-11-26 1971-11-16 Ibm Programmed digital-computer-controlled system for automatic growth of semiconductor crystals

Also Published As

Publication number Publication date
IL39146A (en) 1975-07-28
FR2132727A1 (it) 1972-11-24
BE781750A (fr) 1972-07-31
US3805044A (en) 1974-04-16
GB1385234A (en) 1975-02-26
IL39146A0 (en) 1972-06-28
CA957251A (en) 1974-11-05
FR2132727B1 (it) 1974-08-02
DE2215998A1 (de) 1972-10-19

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