Patent ID: 6323585
Filing Date: 2001-11-27
Classification: C03C,G02B,H01J,H01K

Abstract:
A glass having a composition, in terms of weight percent on an oxide basis, consisting essentially of: 55-95.7% SiO.sub.2, 0-28% B.sub.2 O.sub.3, 0.5-18% Al.sub.2 O.sub.3, 0-4% SrO, 0-13% BaO, 0-13% CaO, 0-8% MgO, 0-7.5% Na.sub.2 O, 0-9.5% K.sub.2 O, 0-1.5% Li.sub.2 O, 0-1.5% Sb.sub.2 O.sub.3, 0.4-4.5% Nd.sub.2 O.sub.3, and 0.1-1% CeO.sub.2, wherein said glass absorbs ultraviolet radiation and filters yellow light in visible wavelengths, and has a light transmission of greater than 70 percent throughout other visible wavelengths.