8 Layers PCB with 4/4mil Minimum Line Width/Spacing, BGA, 1.6mm Board Thickness and RoHS Mark1.UL, ... .3mm)-0.02’ (0.5mm)Min Trace Width (a)0.005" (0.125mm) Min Space Width (b)0.005" (0.125mm)Min ... authenticationcompany profile 8 Layers PCB with 4/4mil Minimum Line Width/Spacing, BGA, 1.6mm Board Thickness and RoHS Mark ...