... low cost&fast delivery. Welcome To Rigao ElectronicsShenzhen high precision double-sided FR4 pcb board - Contract Manufacturing- Engineering Services- PCB Design ... Solder MaskColorgreen,light green,white,black,dark brown,yellow,red,blueMin. solder mask clearance0.003”(0.07mm)Thickness0. ... 0.0007”(0.012mm-0.017mm)SilkscreenColorWhite,black,yellow,red,blue,greenMin. Size0.006”(0.15mm)Surface FinishHASL ...