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[2014-12-29]   In pcb production process, it has been unable to solve the oxidation problem if only change brush wheel of plate-cleaning machine and clean aspirating hole, what are the solutions of the pcb problem?
[2014-12-28]   CEM-3 is for what material?Current drills, milling cutters can be used in this board?
[2014-12-26]   Why circuit board copper thickness calculate as OZ (by weight)? How much area to be calculated?
[2014-12-26]   What kind of harm for PCB board (FR4) and PP board after laser light ?
[2014-12-24]   What is the thickness for PP board (such as film 1080/7628/7630) after press ?


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