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US 4,544,611 AGranted
Conductive element metallized with a thick film silver composition
AssigneeE. I. Du Pont de Nemours and Company
InventorJoseph R. Rellick
Life of this patent
Estimating the term…
Abstract
A conductive element having a metallization paste screen printed on its surface is made using a paste containing 65 to 95% by weight silver and 5 to 35% by weight cadmium/antimony alloy dispersed in a liquid vehicle.
Claims3
A conductive element comprising a conductive metal substrate having a conductive silver layer affixed thereon by screen printing a thick film silver composition containing:
- 65 to 95% by weight of silver particles, and 5 to 35% by weight of particles of an alloy of cadmium and antimony having an antimony content of 25-80% by weight
- on the metal substrate and thereafter firing and sintering.
Dependencies are inferred from the claim text.