... CEM-3,FR-4,FR-4- TG170/TG180, Halogen Free,Rogers,Arlon,Taconic,Isola,PTFE, Bergquist 2). Surface Treatment ... : HASL,HASL lead free,Flash gold, immersion gold, OSP,Gold Finger Palting ... conductivity1.0/m.k, 1.5/m.k, 2.0/m.k, 3.0/m.k thermal impedance0.85 ... .6mm Copper thickness: 1ozSurface finished: HASL lead free Lead time:5 working daysPrototype for standard process ...