PCB (Printed circuit board)

Rigid PCB
Layer-8 Layers
Board Thickness-1.6 +/- 0.16mm
Material-FR4
Surface Finish-Immersion Gold Au:1.2u"(Min), Ni:120u"(Min)
Copper Thickness-B:1/3&1/3, H~H oz
F:0.85/0.85, H~H oz
Remark-BGA
Impedance Controlled 50OHM, Differential Pair 90&100OHM