CH389176A - Elément optique et procédé pour sa fabrication - Google Patents

Elément optique et procédé pour sa fabrication

Info

Publication number
CH389176A
CH389176A CH996762A CH996762A CH389176A CH 389176 A CH389176 A CH 389176A CH 996762 A CH996762 A CH 996762A CH 996762 A CH996762 A CH 996762A CH 389176 A CH389176 A CH 389176A
Authority
CH
Switzerland
Prior art keywords
zinc selenide
powder
mold
temperature
heated
Prior art date
Application number
CH996762A
Other languages
English (en)
French (fr)
Inventor
Walther Roy Donald
Frazier Parsons William
Original Assignee
Kodak Sa
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 Kodak Sa filed Critical Kodak Sa
Publication of CH389176A publication Critical patent/CH389176A/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B19/00—Selenium; Tellurium; Compounds thereof
    • C01B19/007—Tellurides or selenides of metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/547—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on sulfides or selenides or tellurides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
CH996762A 1961-08-21 1962-08-21 Elément optique et procédé pour sa fabrication CH389176A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13299061A 1961-08-21 1961-08-21

Publications (1)

Publication Number Publication Date
CH389176A true CH389176A (fr) 1965-03-15

Family

ID=22456518

Family Applications (1)

Application Number Title Priority Date Filing Date
CH996762A CH389176A (fr) 1961-08-21 1962-08-21 Elément optique et procédé pour sa fabrication

Country Status (3)

Country Link
CH (1) CH389176A (de)
GB (1) GB1013156A (de)
SE (1) SE303385B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140453A (en) * 1977-09-23 1979-02-20 Westinghouse Electric Corp. Press apparatus enclosure arrangement
US5126081A (en) * 1980-12-29 1992-06-30 Raytheon Company Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality
CA1181557A (en) * 1980-12-29 1985-01-29 Charles B. Willingham Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality
US4944900A (en) * 1983-03-16 1990-07-31 Raytheon Company Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality
GB2121211B (en) * 1982-06-02 1985-12-18 Barr & Stroud Ltd Athermal infrared objective lens systems
GB8417993D0 (en) * 1984-07-14 1984-08-15 Pilkington Perkin Elmer Ltd Infra-red lenses
DE10348947B4 (de) * 2003-10-18 2008-08-28 Schott Ag Presse und Verfahren zum Heißformen optischer Elemente aus Glas
ATE534617T1 (de) * 2006-12-20 2011-12-15 Koninkl Philips Electronics Nv Heissaxialpressverfahren
JP5444397B2 (ja) * 2012-03-09 2014-03-19 住友電気工業株式会社 光学部品の製造方法

Also Published As

Publication number Publication date
GB1013156A (en) 1965-12-15
SE303385B (de) 1968-08-26

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