... pcba or pcba sample for us3) The PCB specification: base material, board thickness, copper thickness, surface finishing, gold immersion thickness, ... board Capability of Our Company FilesGerber, Protel, Powerpcb, Autocad, Cam350, etcMaterialFR-4, Hi-Tg FR-4, Lead free Materials ... LayersBoard thickness0.0075"(0.2mm)-0.125"(3.2mm) Board Thickness Tolerance±10%Copper thickness0.5OZ - 4OZImpedance Control± ...