Alkali-free boron aluminosilicate glasses with high thermal stability and high crystallization margin and methods for preparing the same

Abstract

The present disclosure relates to the technical field of electronic glass, and specifically relates to an alkali-free boron aluminosilicate glass with high thermal stability and high crystallization margin and a method for preparing the same. alkali-free boron aluminosilicate glass thermal stability In mole percentage, raw materials for preparing the alkali-free boron aluminosilicate glass with high thermal stability and high crystallization margin include: 68.54 to 72.82% SiO2, 11.84 to 13.5% Al2O3, ≤2.23% B2O3, 4.72 to 6.6% MgO, 4.65 to 5.8% CaO, 0.8 to 1.5% SrO, 3.2 to 3.79% BaO, and 0.1% SnO2, SiO2+Al2O3 is 81.63 to 84.66%, and (MgO+CaO+SrO+BaO)/Al2O3 is 1.15 to 1.30.

Dependencies are inferred from the claim text.