MPONENT

This invention relates to the production of an essentially colorless alkali metal oxide-Al2O3 and/or B2O3-SiO2, wherein at least a portion thereof contains silver ions resulting from an ion exchange reaction wherein Ag<+> ions from an external source are exchanged with alkali metal ions in the...

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Bibliographic Details
Main Author ROGER JEROME ARAUJO
Format Patent
LanguageEnglish
Published 19.09.1991
Edition5
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:This invention relates to the production of an essentially colorless alkali metal oxide-Al2O3 and/or B2O3-SiO2, wherein at least a portion thereof contains silver ions resulting from an ion exchange reaction wherein Ag<+> ions from an external source are exchanged with alkali metal ions in the glass. The glass should possess an atomic structure in which the fraction of non-bridging oxygen atoms is less then 0,03, to avoid coloring of the glass. The amount of exchange can be varied across a portion of the glass to impart a gradient in refractive index thereto. Such technology is especially suited to the optical engineering field, particularly the making of high performance fiber-optic components.
Bibliography:Application Number: AU19910072960