METAL MATERIAL, CONNECTION TERMINAL, AND METHOD FOR MANUFACTURING METAL MATERIAL

WIPO Patent Application WO/2022/181445

A1

Provided are a metal material and a connection terminal with which the characteristics of In can be obtained on the surface even after experiencing a high-temperature environment, and a method with which it is possible to manufacture such a metal material.　The metal material 1 includes: a substrate 2; an intermediate layer 3 that contains at least Ni and that covers the surface of the substrate 2; and an In coating layer 4 comprising In or an In alloy that does not contain Ni other than as unavoidable impurities, the In coating layer 4 coating the surface of the intermediate layer 3 and being exposed on the outermost surface, In being contained at an amount greater than 7/3 times the amount of Ni as a ratio of the number of atoms in the intermediate layer 3 and the In coating layer 4 combined. The connection terminal contains the metal material 1, the intermediate layer 3 and the In coating layer 4 being formed on the surface of the substrate 1 at at least a contact part that comes into electrical contact with a counterpart electroconductive member.

KAWADA DAISUKE (JP)
FURUKAWA KINGO (JP)
WATANABE HAJIME (JP)
KAMAMOTO MICHITAKE (JP)

PCT/JP2022/006428

September 01, 2022

February 17, 2022

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AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)

C25D5/12; C25D7/00; H01R13/03; H01R43/16

WO2018138928A1

2018-08-02

JP2006219736A	2006-08-24
JP2015203139A	2015-11-16
CN105603475A	2016-05-25
JP2012028139A	2012-02-09
JP2003171790A	2003-06-20

WENO & PARTNERS (JP)

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