... tin,O.S.P (Entek),S/G plating,ENEPIG,G/F plating,carbonQuality Control: Electrical testing Flying Probe TesterYControlled ... Treatment: HASL,HASL lead-free,HAL,Flash gold,immersion gold,OSP,Gold Finger Palting,Selective thick gold plating, immersion silver, ... Buried and blind vias, impedance control, thick Cu PCB,selectivity plating gold 30 microinch18). Profiling: Punching, Routing, V-CUT, Beveling19 ...