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.