... 8layers,copy PCBA/PCB/FPC,PCB/FPC design,FPC,circuit board Specifications: 1) Min. Trace width: 0.05 mm 2) Min ... .07 mm3) Min. Hole size: 0.01mm 4) Thickness tolerance: A) Single sided: 0.005" B) Double sided: 0.010" 5) Base ... pcb,fpc flexible circuit,multi-layer fpc,multi layer pcb, single side fpc,fpc flexible,fpc desigm