Patent ID: 7147804

Claim:
An electrically conductive paste comprising at least one conductive powder selected from copper powder, nickel powder, copper-nickel alloy powder, and mixtures thereof; a glass frit which is free of lead, cadmium and bismuth, and which has a softening point of 530 to 650° C., a coefficient of thermal expansion of 9.0 to 11.5 ppm/° C. wherein the powder and glass frit are dispersed in an organic medium, wherein the glass frit is a borosilicate alkaline earth glass containing, based on the weight of the oxides therein, 30 to 60% of BaO+SrO, 20 to 45% of B 2 O 3 +ZnO+Na 2 O, and 0 to 7% of Na 2 O.