| 摘要 |
PROBLEM TO BE SOLVED: To provide Pb-free solder alloy for high temperature, which has a solidus temperature of about 500°C or lower, is excellent in bondability, workability and reliability, and is substantially inexpensive in comparison with Au-based solder.SOLUTION: In a Pb-free Mg-Cu-based solder alloy containing one or more kinds among Ag, In, Sn and Zn, one or more kinds of Ge and Sb, AL, Ni or P, as accessory components, in addition to Mg and Cu as main components, the content of Cu is 20.0 mass% or more and 48.0 mass% or less.SELECTED DRAWING: None |
