THIS should give some really interesting context to the question of trace damage with acid. It's actually quite surprising just how MUCH the cross sectional area of traces affects the signal (!!)EEVblog #317 - PCB Tinning Myth Busting EEVblog #317 - PCB Tinning Myth Busting Forum Topic here: http://www.eevblog.com/forum/blog-specific/eevblog-317-pcb-tinning-myth-busting/ Dave does some measuremen... View on www.youtube.com Preview by Yahoo