1.Multilayer Electronic Metal Detector PCB 2.UL,SGS,Rohs Certificate 3. ... packing and PCB delivery Technical Specification For PCB Number of Layer1,2,4 or 6,upto 18 layerOrder Quantity1 ... 12'', 3.0mm, or 120milsV-Score Depth20-25% of board thicknessDesign File FormateGerber RS-274,274D,Eagle and ... to 250,is specialty,or up to 1000Type of AssemblySMT,Thru-holeSolder TypeWater Soluble Solder Paste,Leaded ...