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CH269120A - Verre aux fluorures et aux germanates. - Google Patents

Verre aux fluorures et aux germanates.

Info

Publication number
CH269120A
CH269120A CH269120DA CH269120A CH 269120 A CH269120 A CH 269120A CH 269120D A CH269120D A CH 269120DA CH 269120 A CH269120 A CH 269120A
Authority
CH
Switzerland
Prior art keywords
fluoride
germanate glass
germanate
glass
Prior art date
Application number
Other languages
English (en)
Inventor
Company Eastman Kodak
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of CH269120A publication Critical patent/CH269120A/fr

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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
    • 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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/253—Silica-free oxide glass compositions containing germanium
    • 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
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
CH269120D 1946-01-29 1947-01-29 Verre aux fluorures et aux germanates. CH269120A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US644180A US2425403A (en) 1946-01-29 1946-01-29 Fluogermanate glass

Publications (1)

Publication Number Publication Date
CH269120A true CH269120A (fr) 1950-06-30

Family

ID=24583790

Family Applications (1)

Application Number Title Priority Date Filing Date
CH269120D CH269120A (fr) 1946-01-29 1947-01-29 Verre aux fluorures et aux germanates.

Country Status (5)

Country Link
US (1) US2425403A (fr)
BE (1) BE471355A (fr)
CH (1) CH269120A (fr)
FR (1) FR940166A (fr)
GB (1) GB621979A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573380A (en) * 1943-05-07 1951-10-30 Emi Ltd Sealing cement for vacuum seals
US2659271A (en) * 1950-02-23 1953-11-17 Bell Telephone Labor Inc Silicon-germanium objective lens
US3029152A (en) * 1957-11-29 1962-04-10 Pilkington Brothers Ltd Optical glass
US3113877A (en) * 1960-10-06 1963-12-10 Int Resistance Co Partially devitrified glasses

Also Published As

Publication number Publication date
US2425403A (en) 1947-08-12
BE471355A (fr)
FR940166A (fr) 1948-12-06
GB621979A (en) 1949-04-25

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