Board Thickness 0.07-0.40mm Base Material 0.5mil - 2mil Polyimide Copper Thickness 0.5OZ-2OZ Stiffener PI: 0.10-0.25UM, Fr4: 0.1-1.20MM, PET: 0.10-0.18MM, Metal:0.10-0.30MM Min. Line Width/ Spacing 3mil (0.08mm)/3mil (0.08mm) Coverlay Yellow, White, Black Silkscreen Color White, Black Surface Finishing ENIG, Flash Gold, Immersion Tin, OSP Min.Quantity of Order No MOQ Layer Count 1-8 Layer