US 11,884,585 B2
Ion exchangeable glasses having high fracture toughness
Xiaoju Guo, Pittsford, NY (US); Peter Joseph Lezzi, Corning, NY (US); and Jian Luo, Cupertino, CA (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Oct. 3, 2022, as Appl. No. 17/958,864.
Claims priority of provisional application 63/251,776, filed on Oct. 4, 2021.
Prior Publication US 2023/0107789 A1, Apr. 6, 2023
Int. Cl. C03C 3/091 (2006.01); C03C 3/097 (2006.01); H05K 5/03 (2006.01); C03C 21/00 (2006.01)
CPC C03C 3/097 (2013.01) [C03C 21/002 (2013.01); H05K 5/03 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A glass, comprising:
greater than or equal to 60 mol % to less than or equal to 66 mol % SiO2;
greater than or equal to 14 mol % to less than or equal to 16 mol % Al2O3;
greater than or equal to 7 mol % to less than or equal to 9 mol % Li2O;
greater than or equal to 4 mol % to less than or equal to 6 mol % Na2O;
greater than or equal to 0.5 mol % to less than or equal to 3 mol % P2O5;
greater than or equal to 0.5 mol % to less than or equal to 5 mol % B2O3; and
greater than or equal to 0.1 mol % to less than or equal to 1 mol % TiO2.