OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, DOUBLET LENS, INTERCHANGEABLE LENS FOR CAMERA, OBJECTIVE LENS FOR MICROSCOPE, AND OPTICAL DEVICE

An optical glass includes: by mass%, 20% to 50% of a content rate of P2O5; 10% to 35% of a content rate of TiO2; 0% to 20% of a content rate of Nb2O5; and 5% to 30% of a content rate of Bi2O3, wherein a ratio of a content rate of TiO2 to a content rate of P2O5 (TiO2/P2O5) is from 0.30 to 0.75.

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Bibliographic Details
Main Author KOIDE, Tetsuya
Format Patent
LanguageEnglish
French
German
Published 24.07.2024
Subjects
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
METALLURGY
MINERAL OR SLAG WOOL
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
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Summary:An optical glass includes: by mass%, 20% to 50% of a content rate of P2O5; 10% to 35% of a content rate of TiO2; 0% to 20% of a content rate of Nb2O5; and 5% to 30% of a content rate of Bi2O3, wherein a ratio of a content rate of TiO2 to a content rate of P2O5 (TiO2/P2O5) is from 0.30 to 0.75.
Bibliography:Application Number: EP20200961571