Patent ID: 11912620
Assignee: CORNING INCORPORATED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  Y | IPC C

Claim 0:
1. A glass underside or backplate for personal electronic devices, including mobile or smart phones, comprising:
50 to 65 mol % SiO2;
10 to 20 mol % Al2O3;
1 to 10 mol % B2O3;
0 to 8.5 mol % MgO;
0 to 2 mol % ZnO;
0 to 10 mol % P2O5;
alkali metal oxides (R2O), wherein R is selected from the group consisting of Li, Na, K, Rb, and Cs; and wherein [R2O+Al2O3+MgO (if present)+ZnO (if present)] is at least 25 mol %; and
colorant dopant(s) including one or more of a group including Au, Ag, Cu, Ni, Co, Mn, Cr, V, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Fe, and/or compounds thereof, the colorant dopant(s) comprising Co3O4 and 0 to 0.01 mol % Fe2O3;
wherein the glass is colored such that for CIE Illuminant F02 and 10° Observer, L* is within a range from 36.59 to 89.89, a* from −15.37 to 30.51, and b* from −78.60 to 38.23.