PCB Description

Material: FR-4

Layers: 8

Board thickness: 1.8 mm

Inner copper: 1 oz

Outer copper: 1 oz

Minimun hole size: 0.20 mm

Minimun trace width/spacing: 4mil / 3.5mil

Surface treatment: flash gold 30u"

Others: 0.2mm core material, 7.5mil spacing of hole to trace in inner layer.