... pcba sample for us3) The PCB specification: base material, board thickness, copper thickness, surface finishing, gold immersion thickness, ... for sample3) Quick turn PCB within 48 hoursMaximum Process PCB board Capability of Our Company FilesGerber, Protel, Powerpcb, Autocad, ... LayersBoard thickness0.0075"(0.2mm)-0.125"(3.2mm) Board Thickness Tolerance±10%Copper thickness0.5OZ - 4OZImpedance Control±10 ...