Patent ID: 8652978
Filing Date: 2014-02-18
Classification: C03C,Y10T

Abstract:
1. A silicate glass, the silicate glass being ion exchangeable and comprising: a. alumina and boron oxide; and b. at least one alkali metal oxide, wherein −15 mol %≦(R c. 10≦Al d. 14≦R wherein the silicate glass comprises 62-70 mol. % SiO 2 ; >0-18 mol % Al 2 O 3 ; >0-10 mol % B 2 O 3 ; 0-15 mol % Li 2 O; 6-14 mol % Na 2 O; 0-18 mol % K 2 O; 0-17 mol % MgO; 0-18 mol % CaO; and 0-5 mol % ZrO 2 .