Patent ID: 7381353
Filing Date: 2008-06-03
Classification: G03F,H01B,H01J

Abstract:
1. A black conductive composition comprising, based on the total composition weight percent: 40-70 weight percent of conductive metal particles selected from the group consisting of gold, silver, platinum, palladium, copper and mixtures thereof; 0.5 to less than 3 weight percent of conductive metal oxide particles selected from the group consisting of RuO 25-59 weight percent organic matter comprising organic polymer binder and organic solvent; and 0.5-20 weight percent of one or more lead-free bismuth glass binders wherein said glass binder comprises, based on weight percent total glass binder composition: 55-85% Bi wherein the softening point of said glass binder is in the range 400-600° C.; and wherein said composition is characterized by being lead-free.