One sop service from PCB manufacture, components purchasing, test, packing, PCB assembly delivery. single sided pcb . Technology requirmentsmaterialFR4,other materials availablelayer1-22lawersmax.finished thickness0.4-3.2mmmin.hole size3mil(0.075mm)copper thickness0.5-6ozsolder mask colorgreen/yellow/white/red/bluesurface finishingHAL/HALS,Chemicialtin,Chemical Gold,Immersion Silver/Gold,OSPInner ...