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by logbiscuitswave
929 days ago
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The problem isn’t the lead itself, it’s the phenomenon of tin whiskering that can happen with some Pb-free solder alloys where metallic hair-like structures grow from the solder and cause arcs or short circuits. This is one such example of a failure in space due to tin whiskers: https://en.wikipedia.org/wiki/Galaxy_IV |
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(It's much better now - people know more and the solder is better, but 20 years ago this was a huge issue that sent many devices to landfill)