... 01”±0.008”(0.4mm ±0.1mm) Bow and twist < 7/1000 Copper Weight Outer Cu weight 0.5oz ~ 3.0oz ... ” (0.02mm) Aspect ratio 20(5:1) Solder Mask Color green,light green,white,black,dark brown,yellow,red,blue Min. solder ... Thickness 0.0005”-0.0007”(0.012mm-0.017mm) Silkscreen Color White,black,yellow,red,blue,green Min. Size 0.006 ... contact me for more details! 1.6MM Thickness ,LED car light,FR4 Single Sided PCB