C03B2215/40

Optical glass and use thereof
09550698 · 2017-01-24 · ·

An aspect of the present invention relates to optical glass, which is oxide glass including cation components in the form of 10 to 40 cation % of P.sup.5+, equal to or more than 50 cation % of a combined quantity of Ti.sup.4+, Nb.sup.5+, W.sup.6+, Bi.sup.3+, and Te.sup.4+, with a cation ratio of a combined content of Ti.sup.4+ and Nb.sup.5+ to a combined content of W.sup.6+ and Bi.sup.3+ being equal to or less than 1.3, a combined quantity of B.sup.3+, Li.sup.+, Na.sup.+, K.sup.+, Rb.sup.+, Cs.sup.+, Mg.sup.2+, Ca.sup.2+, Sr.sup.2+, Ba.sup.2+, and Zn.sup.2+ which amounts to equal to or less than of a combined content of Ti.sup.4+, Nb.sup.5+, W.sup.6+, Bi.sup.3+, and Te.sup.4+, and more than 0 % of Li.sup.+, Na.sup.+, K.sup.+, Rb.sup.+, and Cs.sup.+ combined, and which has a refractive index of equal to or higher than 2.02.

Glass parts and gob-pressing methods for making such

The present disclosure is directed to methods and techniques for gob-pressing a glass part of challenging geometries, such as large surfaces with thin thickness as well as features positioned far from a centroid of the part.

GLASS PARTS AND GOB-PRESSING METHODS FOR MAKING SUCH

The present disclosure is directed to methods and techniques for gob-pressing a glass part of challenging geometries, such as large surfaces with thin thickness as well as features positioned far from a centroid of the part.

GLASS PARTS AND GOB-PRESSING METHODS FOR MAKING SUCH

The present disclosure is directed to methods and techniques for gob-pressing a glass part of challenging geometries, such as large surfaces with thin thickness as well as features positioned far from a centroid of the part.