OPTICAL GLASS, PREFORM AND OPTICAL ELEMENT

To provide an optical glass that can contribute to the weight saving of an optical element and an optical device having a refractive index (nd) and an Abbe number (νd) in desired ranges.SOLUTION: An optical glass comprises, in mass%, SiO2 component of more than 0% to 15.0% or less, B2O3 component of...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MOMONO KIYOYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	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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