> If you were REALLY lucky (and Murphy tends to prevent such luckiness) > tin may be on the list of secret coatings that work. But, I doubt it. I would seriously doubt it. The Tin Whisker problem will show itself pretty= rapidly. Tin Whiskers are a problem whatever atmosphere, vacuum and air. I don't kno= w off hand about pure nitrogen or other gasses, but AFAIK the problem alway= s exists. NASA and the US military have done a lot of research into Tin Whi= sker problems, and there are a number of videos on the web of them growing = in real time, and they can grow quite fast. They also don't seem to be depe= ndent on electrical field strength. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .