NON-ALKALI ALUMINOBOROSILICATE GLASS, ITS USE AND ITS PRODUCTION

摘要

PROBLEM TO BE SOLVED: To obtain a non-alkali aluminoborosilicate suitable for the use as a substrate glass for a display technique. SOLUTION: This aluminoborosilicate glass has the following composition (in wt.% expressed in terms of an oxide): SiO2: >60-65; B2O3: 6.5-9.5; Al2O3: 14-21; MgO: 1-8; CaO: 1-6; SrO: 1-9; BaO: 0.1-3.5; with the proviso that MgO+ CaO+SrO+BaO=8-16; ZrO2: 0.1-1.5; SnO2: 0.1-1; TiO2: 0.1-1; CeO2: 0.01-1.