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Lead free solder , was : REMOVING ENAMEL COATING
On Jun 7, 12:41*pm, Erich wrote:
One of the biggest problems I have with the lead free solder is that over time it tends to grow tin whiskers. *Then it shorts out to adjacent pads. *Current reliability requirements are to encapsulate all the solder joints with epoxy. *This is painful and really causes problems with rework. No-lead; a feel-good solution to a non-problem. Erich N6FD http://nepp.nasa.gov/WHISKER/ (check out the photo gallery) Wonder if the EU is going to pick up the eventual world-wide tab? |
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