| 摘要 |
PROBLEM TO BE SOLVED: To provide a plated material having both high heat-resistance and good insertability/extractability. SOLUTION: The plated material comprises an undercoating layer 2 consisting of any one of metals belonging to group 4, group 5, group 6, group 7, group 8 or group 9 of the periodic table or an alloy containing any one of those metals as a main component, an intermediate coating layer 3 of Cu or a Cu alloy, and a top-coating layer of Sn or an Sn alloy in this order. COPYRIGHT: (C)2008,JPO&INPIT |
