... 1.Detailed Specification of PCB Manufacturing 1Layout1-22 layer2MaterialFR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free, ... Chemical Gold,Inmersion Silver/Gold,Osp,Gold Plating9Copper thickness0.5-4.0oz10Solder mask colorgreen/black/white/red/blue/yellow11Inner packingVacuum ... technology3) ICT(In Circuit Test),FCT(Functional Circuit Test) technology.4) PCB Assembly With UL,CE,FCC,Rohs Approval5) Nitrogen ...