Solder product manufacturing method, solder, solder component, solder product, printed wiring board, printed circuit board, wire rod, solder product, flexible printed circuit board, electronic component, tin molded product manufacturing method, tin intermediate product manufacturing method, tin molded product, tin intermediate Product and conductive member

摘要

A solder product comprising: a lead-free solder portion 21 containing tin as a main component and consisting of a metal element other than lead as a minor component; (20). It is preferable that it is a C12 or more and 16 or less fatty acid, and, as for carboxylic acid, it is more preferable that it is palmitic acid.