Patent ID: 6403507
Filing Date: 2002-06-11
Classification: C03C,H01J

Abstract:
A lead-free bismuth-containing silicate glass consisting of, in percent by weight based on oxide content:SiO240 to 60â€‚Bi2O310 to 30â€‚ZrO20 to 3â€‚Al2O30.5 to 5â€ƒâ€‰MgO0 to 6â€‚CaO0.5 to 6â€ƒâ€‰SrO1 to 15BaO0 to 15total alkaline earth metal oxide content2 to 20ZnO0 to 2â€‚Li2O0 to 10Na2O1 to 10K2O2 to 10Cs2O0 to 3â€‚total alkali metal oxide content5 to 20CeO20 to 8â€‚WO30.5 to 5â€ƒâ€‰MoO30 to 5â€‚Sb2O3â€‰â€‰0 to 0.6.