SELECTIVE COATING OF EXPOSED COPPER ON SILVER-PLATED COPPER
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United States of America Patent
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Oct 2, 2014
app pub date -
Jun 16, 2014
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Dec 15, 2011
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Silver-plated copper particles in which any exposed copper not plated with silver are coated with a polymer or with a chelating compound capable of preventing oxidation of the exposed copper. A method for preventing oxidation of any exposed copper on silver-plated copper particles and for improving the conductivity of silver-plated copper particles comprises coating a polymer or a copper-chelating compound onto the exposed copper on the silver-plated copper particles.
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