Military Defense Missle Launch Radar Warning System Rigid-Flex 12 .080"+/-.008" Rigid - Polyimide Laminate; GI 1080 No-Flow Pre-preg Flex - Kapton Polyimide 1/2 oz cu clad intertnal, 1.5 oz external ENIG (Electroless Nickel, Immersion Gold .010" thru hole and .008" Double Blind IVH .004"/.004 65 ohm Single-Ended; 100 Ohm Differential (+/-10% tol.)