Inventors:
Masayuki Iimori - Tokyo, JP
Michael David Hopper - Lexington KY, US
Assignee:
YKK CORPORATION OF AMERICA - Marietta GA
International Classification:
C25D 21/10, A44B 1/00, B21D 53/48, B32B 15/01, C25D 5/10
US Classification:
428652, 205148, 79 3, 24 901
Abstract:
A button or fastener member is provided wherein aluminum or an aluminum alloy is used as raw material, a first copper plating layer is formed directly over the entire surface of said raw material, and a second copper plating layer is formed directly on top of the first copper plating layer, with the aforementioned second copper plating layer being thicker than the aforementioned first copper plating layer.