Patent ID: 7326370
Filing Date: 2008-02-05
Classification: C03C,G03F,H01B,H01J

Abstract:
1. A black conductive composition comprising, based on the total composition weight percent: 3-50 weight percent of conductive metal oxide particles selected from RuO 25-85 weight percent organic matter comprising organic polymer binder selected from the group consisting of copolymers and interpolymers made from (1) non-acidic comonomers selected from the group consisting of C 5-70 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 the surface area to weight ratio of said conductive metal oxide particles are in the range of 2 to 20 m wherein said composition is characterized by being lead-free.