... to 8layers,copy PCBA/PCB/FPC,PCB/FPC design,FPC,circuit board Specifications: 1) Min. Trace width: 0.05 mm 2 ... sided: 0.010" 5) Base materials: Polyimide and polyester 6) Conductor (copper thickness): 13um~105um. (RA and ED copper) 7) Cover ... ,Plated gold ,OSP PREFESSIONAL SUPPLY fpc flex pcb,fpc flexible circuit,multi-layer fpc,multi layer pcb, single side fpc,fpc ...