COATED SILVER PARTICLE, PRODUCTION METHOD THEREFOR, CONDUCTIVE COMPOSITION, AND CONDUCTIVE BODY

A coated silver particle (20) according to the present invention contains a silver core particle (21), and a plurality of aliphatic carboxylic acid molecules (22) absorbed to a surface of the silver core particle (21) at a density of 2.5 to 5.2 molecules per square nanometer (nm 2 ). A carbon number...

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Bibliographic Details
Main Authors FUKUMOTO Kunihiro, KAWANA Yasumasa, OYAMA Yu
Format Patent
LanguageEnglish
French
German
Published 14.08.2019
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CASTING
CONDUCTORS
ELECTRICITY
INSULATORS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
TRANSPORTING
WORKING METALLIC POWDER
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Summary:A coated silver particle (20) according to the present invention contains a silver core particle (21), and a plurality of aliphatic carboxylic acid molecules (22) absorbed to a surface of the silver core particle (21) at a density of 2.5 to 5.2 molecules per square nanometer (nm 2 ). A carbon number of an aliphatic group of the aliphatic carboxylic acid molecule (22) is preferably 5 to 26. When an arithmetical average value and a standard deviation of primary particle diameters are represented by D SEM and SD, respectively, D SEM is preferably 0.02 to 5.0 µm and a particle diameter variation rate defined by a general formula SD/D SEM is preferably 0.01 to 0.5.
Bibliography:Application Number: EP20170774564