FR1474728A - Astronomical telescope and products and process for their manufacture - Google Patents

Astronomical telescope and products and process for their manufacture

Info

Publication number
FR1474728A
FR1474728A FR26791A FR26791A FR1474728A FR 1474728 A FR1474728 A FR 1474728A FR 26791 A FR26791 A FR 26791A FR 26791 A FR26791 A FR 26791A FR 1474728 A FR1474728 A FR 1474728A
Authority
FR
France
Prior art keywords
manufacture
products
astronomical telescope
astronomical
telescope
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR26791A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OI Glass Inc
Original Assignee
Owens Illinois Inc
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 Owens Illinois Inc filed Critical Owens Illinois Inc
Priority to FR26791A priority Critical patent/FR1474728A/en
Application granted granted Critical
Publication of FR1474728A publication Critical patent/FR1474728A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/10—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce uniformly-coloured transparent products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
    • C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/10—Mirrors with curved faces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
FR26791A 1964-07-31 1965-07-30 Astronomical telescope and products and process for their manufacture Expired FR1474728A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR26791A FR1474728A (en) 1964-07-31 1965-07-30 Astronomical telescope and products and process for their manufacture

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US38669364A 1964-07-31 1964-07-31
US39601164A 1964-09-14 1964-09-14
US46414765A 1965-06-15 1965-06-15
US46809165A 1965-06-29 1965-06-29
FR26791A FR1474728A (en) 1964-07-31 1965-07-30 Astronomical telescope and products and process for their manufacture

Publications (1)

Publication Number Publication Date
FR1474728A true FR1474728A (en) 1967-03-31

Family

ID=27514716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR26791A Expired FR1474728A (en) 1964-07-31 1965-07-30 Astronomical telescope and products and process for their manufacture

Country Status (1)

Country Link
FR (1) FR1474728A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545475A1 (en) * 1983-05-06 1984-11-09 Corning Glass Works Coloured transparent vitreous ceramic and process for its manufacture
FR2557870A2 (en) * 1984-01-11 1985-07-12 Corning Glass Works Coloured vitreous ceramic and process for its manufacture
FR2857659A1 (en) * 2003-07-16 2005-01-21 Schott Glas OPTICAL GLASS

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545475A1 (en) * 1983-05-06 1984-11-09 Corning Glass Works Coloured transparent vitreous ceramic and process for its manufacture
FR2557870A2 (en) * 1984-01-11 1985-07-12 Corning Glass Works Coloured vitreous ceramic and process for its manufacture
FR2857659A1 (en) * 2003-07-16 2005-01-21 Schott Glas OPTICAL GLASS
US7524782B2 (en) 2003-07-16 2009-04-28 Schott Ag Large transmissive optical component
US7754630B2 (en) 2003-07-16 2010-07-13 Schott Ag Large transmissive optical component

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