H - Electricity – 01 – B
Patent
H - Electricity
01
B
31/108, 117/65
H01B 1/02 (2006.01) H01B 1/16 (2006.01) H05K 1/09 (2006.01)
Patent
CA 1110053
ABSTRACT OF THE DISCLOSURE Compositions useful for making electrical conductor patterns on a nonconductive substrate, the compositions comprising finely divided Pd/Ag and inorganic binder. The binder is free of bismuth oxide to reduce staining at conductor/resistor interfaces, and comprises certain pro- portions of glass, copper oxide, and pyrochlore-related oxide (lead ruthenate and/or copper bismuth ruthenate); lead oxide is optional. Despite the absence of bismuth oxide, aged adhesion is good, as is solder acceptance.
298569
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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