Method for producing silver powder

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United States of America

PATENT NO 12194541
APP PUB NO 20240278325A1
SERIAL NO

18681169

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Abstract

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A method for producing a silver powder enables a low resistance when the silver powder is made into a paste to form an electrode without changing the type of surface treatment agent. A silver powder, which enables an electrode to have a low resistance when the silver powder is made into a paste to form the electrode, is obtained by adding an O/W-type emulsion containing micelles of a surface treatment agent having a volume-based cumulative 50% particle diameter D50 obtained by a laser diffraction particle size distribution analysis of 1.5 μm or less to a slurry of a silver powder. The surface of the silver powder is coated with the surface treatment agent. The surface of the silver powder is further coated with a polyvalent carboxylic acid in a step of producing the silver powder.

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Patent Owner(s)

Patent OwnerAddress
DOWA ELECTRONICS MATERIALS CO LTD4-14-1 SOTOKANDA CHIYODA-KU TOKYO 1010021 ?1010021

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sugawara, Satoko Tokyo, JP 10 287

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