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Title:
METAL-PLATED MATERIAL AND METHOD FOR PREPARATION THEREOF, AND ELECTRIC AND ELECTRONIC PARTS USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2002/057511
Kind Code:
A1
Abstract:
A metal-plated material which comprises an electroconductive substrate and, formed on the surface thereof in the following order, an undercoat plating layer comprising a metal belonging to Group 4, 5, 6, 7, 8, 9 or 10 of the Periodic Table or an alloy containing this metal as a primary component, an intermediate plating layer comprising Cu or a Cu alloy, and a topcoat plating layer comprising Sn or a Sn alloy, wherein the topcoat plating layer has a thickness 1.9 times or more that of the intermediate plating layer. The metal-plated material combines good heat resistance and good insertion characteristics.

Inventors:
Tanaka, Hitoshi c/o THE FURUKAWA ELECTRIC CO. LTD. (6-1, Marunouchi 2-chom, Chiyoda-ku Tokyo, 100-8322, JP)
Matsuda, Akira c/o THE FURUKAWA ELECTRIC CO. LTD. (6-1, Marunouchi 2-chom, Chiyoda-ku Tokyo, 100-8322, JP)
Suzuki, Satoshi c/o THE FURUKAWA ELECTRIC CO. LTD. (6-1, Marunouchi 2-chom, Chiyoda-ku Tokyo, 100-8322, JP)
Tanimoto, Morimasa c/o THE FURUKAWA ELECTRIC CO. LTD. (6-1, Marunouchi 2-chom, Chiyoda-ku Tokyo, 100-8322, JP)
Application Number:
PCT/JP2002/000279
Publication Date:
July 25, 2002
Filing Date:
January 17, 2002
Export Citation:
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Assignee:
THE FURUKAWA ELECTRIC CO., LTD. (6-1 Marunouchi 2-chome, Chiyoda-ku, Tokyo, 100-8322, JP)
Tanaka, Hitoshi c/o THE FURUKAWA ELECTRIC CO. LTD. (6-1, Marunouchi 2-chom, Chiyoda-ku Tokyo, 100-8322, JP)
Matsuda, Akira c/o THE FURUKAWA ELECTRIC CO. LTD. (6-1, Marunouchi 2-chom, Chiyoda-ku Tokyo, 100-8322, JP)
Suzuki, Satoshi c/o THE FURUKAWA ELECTRIC CO. LTD. (6-1, Marunouchi 2-chom, Chiyoda-ku Tokyo, 100-8322, JP)
Tanimoto, Morimasa c/o THE FURUKAWA ELECTRIC CO. LTD. (6-1, Marunouchi 2-chom, Chiyoda-ku Tokyo, 100-8322, JP)
International Classes:
C23C26/00; C23C28/02; H01R13/03; (IPC1-7): C23C30/00
Foreign References:
JPS595582A1984-01-12
Other References:
None
See also references of EP 1352993A1
Attorney, Agent or Firm:
Nagato, Kanji (5F SKK Bldg, 8-1 Shinbashi 5-chom, Minato-ku Tokyo, 105-0004, JP)
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