Patent ID: 7294594
Filing Date: 2007-11-13
Classification: C03C

Abstract:
1. A glass composition, for a sheet glass used in flat panel displays or for a crystallized glass, of a multicomponent oxide glass manufactured by melting glass raw materials, comprising: 10 ppm or more of at least one type of a polyvalent element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Ga, Ge, As, Se, Y, Zr, Mo, Rh, Ag, Cd, Sn, Sb, Te, Ti, Pt, Au, and Bi; minimum valence cations of the polyvalent element in a ratio of a minimum valence cation content to a total polyvalent element content of 5 to 98% in mass ratio; and 0.01 to 2 μl/g (0° C., 1 atm) of helium.