Patent ID: 7960300
Filing Date: 2011-06-14
Classification: C03B,C03C,G02B,Y10T

Abstract:
1. A titanium-containing oxide glass in a spherical shape essentially having a composition represented by the formula: wherein M1 is one element selected from the group consisting of Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Na, and Ca, M2 is at least one element selected from the group consisting of Mg, Ba, Ca, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Na, Sc, Y, Hf, Bi, and Ag, M3 is at least one element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Ru, Rh, Pd, Al, Si, P, Ga, Ge, In, Sn, Sb, and Te, and x, y1, y2, and z satisfy: wherein the glass in the spherical shape has a minimum diameter for the spherical shape of 0.5 mm or more.