ELECTRICAL CONTACT POWDER, ELECTRICAL CONTACT MATERIAL, ELECTRICAL CONTACT, AND METHOD FOR PRODUCING ELECTRICAL CONTACT POWDER

Title:

ELECTRICAL CONTACT POWDER, ELECTRICAL CONTACT MATERIAL, ELECTRICAL CONTACT, AND METHOD FOR PRODUCING ELECTRICAL CONTACT POWDER

Document Type and Number:

WIPO Patent Application WO/2019/181650

Kind Code:

A1

Abstract:

[Problem] To provide an electrical contact powder, electrical contact material, electrical contact, and method for producing an electrical contact powder which make it possible to balance a reduction in cost with the retention of electrical conductivity. [Solution] A method for producing an electrical contact powder 10 which is provided with a Cu mixing step for covering the surface of Ag particles 11 with Cu particles 13 by mixing the Ag particles 11 and the Cu particles 13 with one another.

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Inventors:

KAWASHIMA YUKI (JP)
UEDA TAKAHIRO (JP)
KAMOTO TAKANORI (JP)

Application Number:

PCT/JP2019/009989

Publication Date:

September 26, 2019

Filing Date:

March 12, 2019

Export Citation:

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Assignee:

NIDEC CORP (JP)

International Classes:

B22F1/00; B22F1/16; B22F1/18; H01H1/023; H01H1/0237; H01H1/025; H01H11/04; B22F7/00

Domestic Patent References:

WO2014054618A1

2014-04-10

Foreign References:

JPH04147901A	1992-05-21
JPS56127702A	1981-10-06
JP2006004865A	2006-01-05
JPS56102536A	1981-08-17
JPS5884951A	1983-05-21

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