... Requirements: Solder MaskColorgreen,light green,white,black,dark brown,yellow,red,blueMin. solder mask clearance0.003”( ... ) CNC Tolerance±0.004”(0.1mm) V-Cut Depth V-cutFR-4(1/3+-0.1mm);FR ... /2+-0.1mm) V-cut angle V-CUT 15°,18°,30° V-CUT line,hole,V-shapeCertificates UL Cert. ... plating gold 30 microinch18). Profiling: Punching, Routing, V-CUT, Beveling19). Certificate: UL,ISO 9001,ISO14001,ROHS20 ...