... TG170/TG180,Halogen Free,Rogers,Arlon,Taconic,Isola,PTFE, Bergquist2). Surface Treatment: HASL,HASL lead-free,HAL,Flash gold,immersion gold ... -Probe Tester, Fixture tester , Visual Inspection17). Special requirements: Buried and blind vias, impedance control, thick Cu PCB,selectivity plating gold ... quality during manufacturing process instead of inspection FR4 1.6mm rigid pcb board with IC bonding