Patent ID: 11891332
Assignee: CORNING INCORPORATED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC B  C

Claim 14:
15. A glass composition comprising:
greater than or equal to 50 mol % and less than or equal to 80 mol % SiO2;
greater than or equal to 7 mol % and less than or equal to 25 mol % Al2O3;
greater than or equal to 1 mol % and less than or equal to 15 mol % B2O3;
greater than or equal to 7 mol % and less than or equal to 20 mol % Li2O;
greater than or equal to 0.5 mol % and less than or equal to 12 mol % Na2O;
greater than or equal to 0 mol % and less than or equal to 1 mol % K2O; and
greater than or equal to 1×10−6 mol % and less than or equal to 0.0016 mol % Au,
wherein [5.72*Al2O3 (mol %)-21.4*ZnO (mol %)-2.5*P2O5 (mol %)-35*Li2O (mol %)-16.6*B2O3 (mol %)-20.5*MgO (mol %)-23.3*Na2O (mol %)-27.9*SrO (mol %)-18.5*K2O (mol %)-26.3*CaO (mol %)] is less than −400 mol %.