... Layer PCB High frequency PCB (Rogers, F4BK, Taconic ) Metal PCB (Al-based, Cu-based) HDI PCB assembly 2 layer,1.6mm,immersion gold 2 layer ... BGA,impedance control With regard to our PCB prdocts,pleas find the following specification, ... N+3Application standedIPC-6012 class 2Multilayer PCB Table 2: PCB business:Prototype : you can order ... our facility after ordering is :2 layers : 4 w.d4 layers : 5 w.d6-8 ...