Brief description about the double-sided pcb: 1.FR4,double-sided pcb,1.0mm,1OZ,OSP 2.17 years experience in PCB,since 1994. Processing Capability Of Rigid PCBNO.ITEMTechnique Data1Product Range2 - 24 layers, HDI;Aluminium Based PCBs2Base MaterialFR-4 Glass Epoxy laminate,ALuminium Based (Others, by special order) 3Major LaminateKing Board (KB-6150/60), ShengYi(S1141, S1170), Rogers,Teflon4Board ...