... PCB process capability:1.Layer: 2-22 layer2.Product type: Rigid PCB,High Density Inverter PCB,thick copper PCB3.Materials: FR-4 ... , CEM-3, Teflon, Aluminum Substrate, Rogers, Halogen Free, High Tg4.Copper Thickness: 140micron(4oz)5.Min Board Thickness: 0 ... orders.-If possible ,please send prototype,sample board to us for further reference.-In order to shorten the lead time,please ...