Model Rogers RO4003C High-Frequency Board D K 3.38 0.04 Layer 2Layers DielectricsThickness 0.508mm(20mil) Finished Thickness 0.6mm Material Copper Thickness (17m) Finished Copper Thickness 1OZ(35m) surface treatment Immersion Silver Application communication infrastructure, computers, aerospace RO4003C RO4350B Data-Sheet