... Technical Specification For PCB Number of Layer1,2,4 or 6,upto 18 layerOrder Quantity1 to 50 ... complex,irregularBoard TypeRigid, Flexible, Rigid-flexibleBoard MaterialFR-4 glass epoxy, FR-4 high Tg, Rohs compliant,Aluminum,Rogers,etc ... .Board CuttingShear,V-score,Tab-routedBoard Thickness0.2-4.0mm, Flex 0.01-0.25mmCopper Weight1.0 ... PCB Assembly ShowsView of Our Workshop Wireless ADSL Modem Router PCB