4 layer 0.25mm thickness black oil resistance PCB
black oil resistance PCB, 4 layer PCB, Multilayer PCB
1) Thickness: 0.1mm-5mm
2) Minimum linewidthï¼?0.075mm/3mil
3) Minimum gapï¼?0.065/2.8mil
4) Minimum aperture inradiumï¼?0.15mm
5) Minimum aperture external diameterï¼?0.45mm
6) Minimum BGA: 0.2mm
7) Layerï¼?4 layers through hole non-impedance
All multilayer boards are printed with 36t screen, the resistance welding oil is 50 tons thicker than the traditional 43t, which provides reliability guarantee for the bga and more precise fine lines.
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