PCB type : impedance control PCB

PCB Layer：18 layer 

PCB material: FR4 TG170 

PCB thickness: 2.4mm 

PCB copper thickness: 4oz outlayer copper, 6oz innerlayer cooper

PCB via size: 0.2mm 

PCB track/gap: 6mil/4mil 

PCB outline:  Routing 

PCB solder mask : green 

PCB silkscreen: white 

PCB technology: Heavy copper PCB 4/6/6/6/6/4 oz copper

PCB surface: ENIG