Optical glass

• Main Authors: YABUUCHI KOICHI, KONOSHITA SATOKO
• Format: Patent
• Language: Chinese; English
• Published: 18.10.2022
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS

The invention provides optical glass which contains TiO2 and Nb2O5 as glass components, can obtain high light transmittance and is excellent in large-scale productivity. The optical glass is characterized in that the glass composition contains TiO2 and Nb2O5 in a total amount of more than 20 mol% in terms of mol%, and the alkalinity is more than 12. 本发明提供一种作为玻璃组成含有TiO2、Nb2O5且能够获得高透光率的大规模生产率优异的光学玻璃。该光学玻璃的特征在于，作为玻璃组成含有以摩尔％计合计量为20摩尔％以上的TiO2和Nb2O5，碱度为12以上。