Union Circuits can make very thin rigid PCBs like 0.1~0.15mm single-sided FR-4 PCBs,Website:http://www.unioncircuits.com, 0.2mm double-sided FR4 PCBs, this is the ultimate thickness we can do with FR-4 material, but there is an alternative solution to use flexible Polyimide FPC, standard thickness 0.07~0.15mm.Key Specification        Layer Count1~4MaterialFR-4(Tg130), FR-4(Tg170), Flex Polyimide/ PIFinished Thickness0.1~0.4mmFinished Outer Cu Thickness1/1OZ, 2/2OZFinished Inner Cu Thickness1/1OZ, 2/2OZSurface FinishImmersion Gold/ Tin/ SilverSoldermaskGreen, White, BlackSilkscreenWhite, BlackPanel SizeMinimum 30x50mm, Maximum 600x1000mmAttention: "These are the basic specifications 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 consider it in our quotation."           --From Union Circuits Engineering dept.Product DetailsMOQ1 PieceProduction Lead Time5~10 Working Days Quick turn, 6~15 Working Days mass productionMin. Drill Hole Size0.3mmMin. Trace Width/Spacing6/6milData 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-A-600H Class 2(default), Class 3 (base on request)ApplicationPower supply, Automotive, Communication, Heat Dissipation, Power switch…PackingInner vacuum + foam, Outer carton boxShippingDHL(default), UPS, TNT, FedEx, EXW, FCA/FOB HongKong, By SeaPaymentT/T, PayPal, Western Union (USD, EUR)