Printed circuit board 6L

Made in Taiwan* 6 Layers Impedance board with BGA design Spec 6 Layers Impedance board:BGA Key Features Rigid PCB Layer-6 Layers Board Thickness-1.6 +/- 0.13mm Material-FR4 Surface Finish-Immersion Gold Au:3u"(Min), Ni:120u"(Min) Copper Thickness-1/1~1/1 oz Remark-BGA Impedance Controlled 50OHM, Differential Pair 90&100OHM *Made in Taiwan*