jd wrote:
It happens to most every PCB subject to temperature cycling. This is also why
it's so easy sometimes to lift a trace when soldering.
really? I have not seen this. maybe I need to look closer.
I have customer boards temp cycled all the time to limit infant
mortality and I dont' see any affect on traces.
I do see parts die, however. Cheap crystals especially, even when cycled
gently (slow ramp) and well within the stated specs.
-brad