CONTACT MEMBER, CONTACT, AND ELECTRIC APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a contact member enabling highly reliable solder joint by suppressing generation of cracks and peeling, and a contact and an electric apparatus using it. SOLUTION: This contact member is equipped with a substrate 20 formed of a copper based alloy while having spring elasticity, and a metallic film 21 containing Co and/or Ni and comprising Sn or a Sn based alloy containing no Pb, to enable highly reliable solder joint. COPYRIGHT: (C)2006,JPO&NCIPI