Detailed Product Description 1,multilayer printed circuit board/pcb,8-layer2,board thickness:1.6mm3,base material:fr-4 epoxy resin4,min. line width/spacing:3mil5,solder mask:dull green6,BGA, impedance control7,surface finishing:immersion goldOur Production Capability For Other PCB:1)Layer:1-162)MAX.Board Size For Single/Double-Sided PCB:800*5503)Solder Mask:green/red/blue/white/yellow.etc,as ...