Title:
SILVER-TIN COATING FOR ELECTRICAL CONNECTORS, AND ELECTRICAL CONNECTORS WITH SILVER-TIN COATINGS
Document Type and Number:
WIPO Patent Application WO/2023/102181
Kind Code:
A9
Abstract:
A copper alloy electrical connector component has a coating thereon formed by applying a nickel layer of between about 5 μin and about 20 μin over the copper alloy; applying a copper layer of between about 7 μin and about 18 μin over the nickel layer; applying a total of between about 5 μin and about 15 μin silver layers and about 40 μin and about 80 μin of tin layers over the copper layer: and heating to the coated copper alloy electrical connector component to cause mixing of the silver and tin layers and formation of at least 8 vol% of an Ag3Sn intermetallic.
Inventors:
FUNKE KELLY (US)
JOHN KON (US)
JOHN KON (US)
Application Number:
PCT/US2022/051654
Publication Date:
April 25, 2024
Filing Date:
December 02, 2022
Export Citation:
Assignee:
WIELAND ROLLED PRODUCTS NORTH AMERICA LLC (US)
International Classes:
C22C5/06; C22C13/00; C23C2/02; C23C2/08; C23C28/02; H01R13/03
Attorney, Agent or Firm:
WHEELOCK, Bryan, K. (US)
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