[TowerTalk] re; Whiskers growing where you cannot shave them

[Tom Rauch]

> Whiskers are an issue in reliability of (usually space)
components and
> circuits.  The culprits are Tin >97% pure, 100% pure
cadmium and 100% pure
> zinc.  If these metals are NOT pure, there is little
problem.



Unless we send our solder joints deep into space or
otherwise place them in a vacuum for many years whiskers are
not an issue.

They only form in a high vacuum and it takes a long time, so
why worry about it?

73 Tom