8 Layers PCB with 4/4mil Minimum Line Width/Spacing, BGA, 1.6mm Board Thickness and RoHS Mark1. ... :1.6mm4.Surface treatment:ENIG5.layer:4-layerproductive power: Specification Inch (mm) MaterialFR-4 / Hi Tg FR-4 / Lead free Materials (RoHS Compliant ... ULsample picture product authenticationcompany profile 8 Layers PCB with 4/4mil Minimum Line Width/Spacing, BGA, 1.6mm Board Thickness and RoHS ...