Multi-Layer PCB High frequency PCB (Rogers, F4BK, Taconic ) Metal PCB (Al-based, Cu-based) HDI PCB assembly 2 layer,1.6mm,immersion ... BGA, different impedance 8layer, 0.8mm, immersion gold,impedance control HDI 14layer, 1.6mm, matt green, BGA, impedance contro14layer, ... our PCB prdocts,pleas find the following specification,table1 and 2:Table 1: layer2-26SurfaceLead free HALFinished board thickness0 ...