Standard sets Pb, Pb-free moisture sensitivity criteria
Keywords: IPC/JEDEC J-STD-020D Pb-free moisture sensitivity reflow
[Summary of tips] This extensive research carried out at several companies identified the reflow temperature at which a component suffered damage, Steve Martell explains, and also the type of damage—the "damage response." Damage response might range from a large popcorn crack (nearly always fatal) to a small delamination in a relatively ha......|
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Strange modes of transport and other "stuff"
Someone just pointed me at a YouTube video that claims to show the world's first e-powered multicopter flight...















