> 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
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