... with 4/4mil Minimum Line Width/Spacing, BGA, 1.6mm Board Thickness and RoHS Mark1.UL,SGS,ROHS,IS09001,CE,IPC multilayer ... pcb with BGA 1.Base Material:fr42.copper thickness:2oz3.board thickness:1 ... -layerproductive power: Specification Inch (mm) MaterialFR-4 / Hi Tg FR-4 / Lead free Materials (RoHS Compliant) /CEM-3/CEM-1/AluminiumLayer No.1-30Board ...