... Cu wight1/3oz ~ 6ozLaminate MaterialsFR4(High TG,halogen-free),FR5,ISOLA(FR408,370HR),TEFLON,POLYIMIDE,ROGERS(RO4003, ... 1mmLayer-to-layer registration±0.003”(0.08mm)Solder MaskColorgreen,light green,matte green,white,extreme ... matte black,dark brown,yellow,red,blue,transparentMin. solder mask clearance0.003”Thickness0.0004”SilkscreenColorWhite,black,yellow ... surpass them. High TG PCB With Lead-Free HASL