... ~ 10ozWeightInner Cu wight1/3oz ~ 6ozLaminate MaterialsFR4(High TG,halogen-free),FR5,ISOLA(FR408,370HR),TEFLON,POLYIMIDE,ROGERS(RO4003,RO4350,RO4450 ... size0.0008” Aspect ratio20EtchingTrace width tolerance±20%Min. trace width / space (1oz finished Cu weight starting from 1/3oz)0.003 ... deviation±0.1mm(0.004”)Semi-holeYSurface FinishHASL,HASL pb free,immersion gold,immersion silver,immersion tin,O.S.P ( ...