| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a metal member which is capable of suppressing flow of a large corrosion current and is excellent in corrosion resistance. <P>SOLUTION: The metal member includes: a metal material; a first metal film which is formed on a surface of the metal material and has copper as a main component; a second metal film which is formed on a surface of the first metal film and has nickel as a main component; and a third metal film which is formed on a surface of the second metal film and has tin as a main component. <P>COPYRIGHT: (C)2013,JPO&INPIT |
