Copper alloy powder for electrically conductive paste

Details Copper alloy powder for electrically conductive paste Copper alloy powder for electrically conductive paste

2007-07-17

2007-07-17

King, Roy (Department: 1742)

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

Reexamination Certificate

active

10497233

ABSTRACT:
A copper alloy powder for an electrically conductive paste is provided, which is characterized in that the copper alloy powder comprises 80 to 99.9 mass % of Cu and 0.1 to 20 mass % of one or two elements selected from the group consisting of Ta and W and has an average particle size of 0.1 to 1 μm. This copper alloy powder has a higher starting temperature for sintering, higher oxidation resistance and better heat resistance than a copper powder.

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Chemical Abstracts, vol. 130, No. 13, Mar. 29, 1999, Columbus, Ohio, US, Abstract No. 176210, Igarashi Katsuhiko et al., “CR composite electronic parts,” XP002425566.

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