High density .P.T.h. PCB is made with the electrical connection between both sides of the board not by copper plating but by screen printing of high conductive and reliables silver paste into the drilled hole.
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High anti-migration
- High solder-heat resistance
- Low warp & twist
- High chemical stability(Anti-Halide etc.)
- Low dimensional tolerance
- Possible TH pitch : 1.0mm
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High density .P.T.h. PCB is made with the electrical connection between both sides of the board not by copper plating but by screen printing of high conductive and reliables silver paste into the drilled hole. 
