... -tech enterprise which specializes in developing, manufacturing and marketing pcb.1.Our product rangesingle-sided, double-sided, multi-layer, high ... capability: ItemSpecificationsNumber of Layer1-12LayersMaterialFR-4, AL PCB, CEM-1, Taconic, RogersFinish Board Thickness0.2mm-3.2mm(8mil-126mil)Copper ... .13mm(5mil)6 layers:+/-0.15mm(6mil)Impedance Control+/-10%Different Impedance+-/10% 1 layer PCB boards