Double-sided FPC with 2 copper layers on both sides of the Polyimide film,Website:http://www.unioncircuits.com, there are two types of laminate available, with adhesive and without adhesive, the one with adhesive price is cheaper.2Layer FPC allows for more intricate circuit designs than a single-sided FPC and further space savings are realized by mounting components on both sides.Basic structure:Base MaterialPolyimide film25μm(1mil),12.5μm(1/2mil)Cu12μm(1/3oz),35μm(1oz),17.5μm(1/2oz)CoverlayPolyimide film25μm(1mil),12.5μm(1/2mil)ResistSurface finishImmersion Gold, OSPKey SpecificationLayer Count2MaterialPolyimide, PI, Kapton, DuPont Kapton, PET;      Stiffener: FR-4, PI, Stainless Steel  Finished Thickness0.13~2.0mm(with stiffener)Finished Outer Cu ThicknessHOZ, 1OZ, 2OZFinished Inner Cu ThicknessN/ASurface FinishImmersion Gold, OSPCoverlayOrange, White, Black, Gray; alternative Green/ White/ Black soldermaskSilkscreenWhite, BlackPanel Size250x720mm(max)Attention: "These are the basic specification we gonna to need for your Printed Circuit Board fabrication, if you need a quick quote or going to order soon, to save time please kindly provide all the fabrication details to us, of course if there were any other special requirements or details out of this specification please also comment so we can take care of it to avoid any mistake."          --From Union Circuits EngineeringProduct DetailsMOQ1 PieceProduction Lead Time5~15 Working Days Quick turn, 10~15 Working Days mass productionMin. Drill Hole Size0.2mmMin. Trace Width/Spacing3/3milData FormatGerber RS-274-D/X, .pcb, .pcbdoc, .cam, ODB++, CADE-Test100% E-test(cost included in the Unit Price, NO extra charge)CertificationsUL, CUL, ISO9000, ISO14001, TS16949.StandardIPC-6013 Class 2(default), Class 3 (base on request)ApplicationAutomotive, Cellphone, computer, printer, communication equipment, camera…PackingInner vacuum + foam, Outer carton boxShippingDHL(default), UPS, TNT, FedEx, EXW, FCA/FOB HongKong, By SeaPaymentT/T, PayPal, Western Union (USD, EUR)Union Circuits is a Professional Quick turn FPC Manufacturer located in Shenzhen, China, we focus on Quick turn, Prototype, small to medium volume FPC production on the market for years, currently we are serving more than 60 countries customers in different industries with perfect quality and competitive prices, if you are trying to find a reliable offshore FPC supplier or going to switch new suppliers you are worth to try us, welcome customers from all over the world to inquiry and order.