... .0mm · Materials: FR-4, CEM-1, high Tg, halogen-free, Rogers,F4B, Aluminum base,94V0, 94HB · Maximum finished board size ... width/space: 3.5/3.5mil · Surface finishes/treatments: HASL, lead-free HASL, immersion gold, gold plating, immersion silver, immersion tin and ... requirements: buried and blind vias, impedance control, via plug, BGA soldering and gold finger · Profiling: punching, routing, V-cut and ...