Copper powder for conductive paste and conductive paste

Disclosed is a copper powder which has a good balance between oxidation resistance and electrical conductivity in spite of having a small grain size. Also disclosed is a copper powder for use in an electrically conductive paste, which is reduced in the variations in shape or grain size and has a low...

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Bibliographic Details
Main Authors YOSHIMARU, KATSUHIKO, MIYAKE, KOICHI, KURIMOTO, TORU, UWAZUMI, YOSHIAKI, OTA, KOYU
Format Patent
LanguageChinese
English
Published 01.07.2014
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CABLES
CASTING
CHEMISTRY
CONDUCTORS
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
INSULATORS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
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Summary:Disclosed is a copper powder which has a good balance between oxidation resistance and electrical conductivity in spite of having a small grain size. Also disclosed is a copper powder for use in an electrically conductive paste, which is reduced in the variations in shape or grain size and has a low oxygen content. Further disclosed is an electrically conductive paste. In the copper powder for an electrically conductive paste, Si (silicon) is contained in the inside of each particle at a content of 0.1 to 10 atm%.
Bibliography:Application Number: TW200897150817