... :1 oz 4) surface finish: HASL connector fpc or lcd display fpc pcb board1,base material:FR-4 epoxy resin2,cooper ... , Black, Yellow ect.17E-Testing100% E-Testing (High Voltage Testing); Flying Probe Testing 18Other testImpedanceTesting,Resistance Testing, Microsection etc.,19Date file ... of Copper0.5-14oz (18-490um) connector fpc or lcd display fpc pcb board