8层光电模块板

8 layers high speed photovoltaic PCB

Board thickness:1.6mm  

Material: FR4-TG170
Min. Line Width/ Spacing:4mil/4mil  
Spacing between holes to traces:7mil
Min. Hole Size: 0.2mm  

Aspect Ratio: 8:1 
● Impedance control ● Resin plug hole ● Gold Finger