... prototype/PCB Assembly prototype&fast/Rapid RoHS PCBA Prototype&Lead free SMT PCB assembly/PCBA&Multilayer printed circuit board ... Small prototype runs Large scale production runs ENIG, Immersion Silver, Lead Free HASL Edge plating, plated slots Blind / Buried vias ... Pitch0.2 mm (8 mil)Solder mask ColorGreen , Red , Blue , Black , WhitePanel Outline Tol (+/-)CNC: ±0.125mm, Punching: ±0.15mmSurface ...