... (0.02mm) Aspect ratio 20(5:1) Solder Mask Color green,light green,white,black,dark brown,yellow,red ... ,blue Min. solder mask clearance 0.003”(0.07mm) Thickness 0.0005”- ... free,immersion gold,immersion silver,immersion tin,O.S.P (Entek),S/G plating,ENEPIG,G/F plating,carbon ... . YISO Cert.ISO9001TS16949YISO14000Y Factory Silhouette: green solder mask double sided pcb board