Patent ID: 8123985

Claim:
A thick film conductive composition comprising: (a) electroconductive metal particles consisting essentially of Ag particles, (b) glass frit wherein said glass frit is Pb-free, and wherein said glass frit comprises, in weight percent total glass frit composition: SiO 2 0.5-35, Al 2 O 3 0-5, B 2 O 3 1-15, ZnO 0-15, and Bi 2 O 3 55-90; (c) one or more inorganic Cu additives, wherein said inorganic Cu additives are selected from the group consisting of (1) Cu; (2) compounds that can generate elemental Cu; (3) oxides of Cu; and (4) mixtures thereof; and (d) one or more inorganic Bi additives, wherein said inorganic Bi additives are selected from the group consisting of (1) Bi; (2) compounds that can generate elemental Bi; (3) oxides of Bi; and (4) mixtures thereof; and (e) an organic medium.