... custmers:TCL,MOTO,SANGSUM,ITT 45%,>1 million life Copper Flex Circuit In its simplest form, a flexible circuit is a ... may be used as an electric conductor. In a Copper Flex Circuit, a very thin sheet of copper is first laminated ... friendly and more expensive than screen-printing silver traces.Copper Flex Circuit options include:Single & Double SidedPolyimide or PolyesterTin, Nickel, Gold ...