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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10889878 B1

PDFFull Text
Date of Patent:
Jan. 12, 2021

Filed:

Mar. 31, 2016

Alloy material, contact probe, and connection terminal

Applicants:

Nhk Spring Co., Ltd., Yokohama, JP;

Yamakin Co., Ltd., Osaka, JP;

Shinko Metal Products Co., Ltd., Kitakyushu, JP;

Inventors:

Toshio Kazama, Kanagawa, JP;

Yoshihisa Tani, Nagano, JP;

Satoshi Shoji, Nagano, JP;

Teruo Anraku, Osaka, JP;

Masayuki Ainoya, Kochi, JP;

Tomohiro Kubota, Kochi, JP;

Kotaro Toyotake, Fukuoka, JP;

Hitoshi Abe, Fukuoka, JP;

Assignees:

NHK Spring Co., Ltd., Yokohama, JP;

YAMAKIN CO., LTD., Osaka, JP;

Attorney:

Locke Lord LLP

Primary Examiner:

Jessee R Roe

Int. Cl.
CPC ...
C22C 30/02 (2006.01); C22C 5/04 (2006.01); C22F 1/14 (2006.01); H01R 13/03 (2006.01); C22F 1/00 (2006.01); G01R 1/067 (2006.01); H01B 1/02 (2006.01); H01R 12/70 (2011.01); H01R 13/24 (2006.01);
U.S. Cl.
CPC ...
C22C 30/02 (2013.01); C22C 5/04 (2013.01); C22F 1/00 (2013.01); C22F 1/14 (2013.01); G01R 1/06755 (2013.01); H01B 1/026 (2013.01); H01R 13/03 (2013.01); G01R 1/06722 (2013.01); H01R 12/7076 (2013.01); H01R 13/2421 (2013.01); H01R 2201/20 (2013.01);
Abstract

An alloy material includes: a composition, in a composition range of a ternary alloy of silver (Ag), palladium (Pd), and copper (Cu), the composition containing 20 to 30 wt % of Ag, 35 to 55 wt % of Pd, and 20 to 40 wt % of Cu. The composition as a base is added with tin (Sn) in a range of 0.5 to 2.5 wt %, further added with any one of or a combination of cobalt (Co), chromium (Cr), and zinc (Zn) in a range of 0.1 to 1.0 wt %, and added with 0.01 to 0.1 wt % of either one of or a combination of iridium (Ir) and ruthenium (Ru).

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