Patent ID: 6770383
Filing Date: 2004-08-03
Classification: B32B,C23C,H01R,Y10S,Y10T

Abstract:
A fitting connector with good insertability/extractability, said fitting connector being made of a material comprising an undercoating of any one of metals belonging to group 4, group 5, group 6, group 7, group 8, group 9 or group 10 of the periodic table, an intermediate coating of Cu or a Cu alloy, and a top-coating of Sn or an Sn alloy, said undercoating, said intermediate coating and said top-coating being formed on a surface of an electrically conductive base in this order,wherein the thickness of said top-coating is 1.0 times or more than the thickness of said intermediate coating, wherein the Sn alloy contains at least one metal selected from the group consisting of Bi, Ci, and Sb.