... Cu wight1/3oz ~ 6ozLaminate MaterialsFR4(High TG,halogen-free),FR5,ISOLA(FR408,370HR),TEFLON,POLYIMIDE,ROGERS(RO4003,RO4350 ... 1mm(0.004”)Semi-holeYSurface FinishHASL,HASL pb free,immersion gold,immersion silver,immersion tin,O.S. ... FlexibilityWe pride ourselves on our ability to custom tailor programs around our customers' needs. We take timeto listen ...