CH378475A - Procédé de fabrication d'un élément optique en fluorure de lanthane - Google Patents

Procédé de fabrication d'un élément optique en fluorure de lanthane

Info

Publication number
CH378475A
CH378475A CH1101062A CH1101062A CH378475A CH 378475 A CH378475 A CH 378475A CH 1101062 A CH1101062 A CH 1101062A CH 1101062 A CH1101062 A CH 1101062A CH 378475 A CH378475 A CH 378475A
Authority
CH
Switzerland
Prior art keywords
manufacturing
optical element
lanthanum fluoride
lanthanum
fluoride
Prior art date
Application number
CH1101062A
Other languages
English (en)
Inventor
Carnall Edward Jr
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 CH378475A publication Critical patent/CH378475A/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
    • 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
    • C04B35/553—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 fluorides
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
CH1101062A 1961-09-18 1962-09-18 Procédé de fabrication d'un élément optique en fluorure de lanthane CH378475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US138846A US3206279A (en) 1961-09-18 1961-09-18 Lanthanum fluoride infrared transmitting optical elements

Publications (1)

Publication Number Publication Date
CH378475A true CH378475A (fr) 1964-06-15

Family

ID=22483922

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1101062A CH378475A (fr) 1961-09-18 1962-09-18 Procédé de fabrication d'un élément optique en fluorure de lanthane

Country Status (4)

Country Link
US (1) US3206279A (fr)
CH (1) CH378475A (fr)
GB (1) GB960328A (fr)
SE (1) SE303386B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244436B (de) * 1961-10-19 1967-07-13 Eastman Kodak Co Optisches Material und Verfahren zu dessen Herstellung
NL131806C (fr) * 1963-06-13
US3459503A (en) * 1966-01-03 1969-08-05 Eastman Kodak Co Hot pressing titanium dioxide
US3732056A (en) * 1971-09-01 1973-05-08 Gen Motors Corp Apparatus for hot pressing oxide ceramics in a controlled oxygen atmosphere
US4013796A (en) * 1973-08-27 1977-03-22 The Harshaw Chemical Company Hot-pressed ionic fluoride optical bodies free of absorption bands and method of making them
US4040927A (en) * 1975-11-19 1977-08-09 Honeywell Inc. Cadmium tellurite thin films
US4261753A (en) * 1980-01-22 1981-04-14 The United States Of America As Represented By The United States Department Of Energy Lanthanum-hexaboride carbon composition for use in corrosive hydrogen-fluorine environments
US4966538A (en) * 1988-06-01 1990-10-30 Buehler, Ltd. Mounting press
US5082635A (en) * 1989-02-28 1992-01-21 Kabushiki Kaisha Kobe Seiko Sho High-pressure crystallographic observation apparatus
US7591557B2 (en) * 2005-05-10 2009-09-22 Wtp Optics, Inc. Solid state method and apparatus for making lenses and lens components

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2091569A (en) * 1935-09-30 1937-08-31 Norton Co Article of self bonded granular material and method of making the same
US2303783A (en) * 1937-09-18 1942-12-01 Perosa Corp Manufacture of metal fluorides
FR913189A (fr) * 1941-02-11 1946-08-30 Alcan Aluminium Ltd Procédé de préparation du fluorure d'aluminium alcalin
US2335325A (en) * 1942-01-19 1943-11-30 Titanium Alloy Mfg Co Method of making zirconium oxide refractories
US2420955A (en) * 1944-09-04 1947-05-20 Harshaw Chem Corp Method of making optical bodies
BE461839A (fr) * 1944-12-15

Also Published As

Publication number Publication date
SE303386B (fr) 1968-08-26
US3206279A (en) 1965-09-14
GB960328A (en) 1964-06-10

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