Early soft soldering used pure tin (Sn), yet gradually alloys were sought that would fix issues like thermal cycling, shock resistance, electron migration, and the development of whiskers in tin ...

For most of the history of industrial electronics, solder has been pretty boring. Mix some lead with a little tin, figure out how to wrap it around a thread of rosin, and that’s pretty much it.

Soldering bonds two or more metal objects together by melting a different kind of metal and using it as a kind of glue. This bonding metal, usually tin and lead, is called "solder." It comes as ...