... for you:1-16 layer FR-4 PCB board, 1-2 layer Aluminum PCB1-6 oz ... supply, GPS, Safety ,camera, set-top box, medical device, Telecommunication, LED light and so on. ItemManufacture CapabilityMaterialFR-4 ... 3, Aluminium, Metal basedLayer No.1-16Finished Board thickness0.2 mm-3.8mm (8 mil-150 ... Board Thickness Tolerance±10%Cooper thickness0.5 OZ-6OZ (18 um-210 um)Copper Plating Hole18-40 umImpedance Control ...