... , Blue Solder Mask, Vias Plugged with Solder Mask, RoHS Compliance. 2-Layer PCB,Gold Finger,Blue Solder Mask,Vias Plugged with ... layers - 32mil (0.8mm)10 layers - 40mil (1.0mm)Max Board Thickness200mil (5.08mm)Min Line Width3 mil (0.075mm)Min ... , Peelable Mask, Carbon PrintingMaterialFR4, ROGERS, Taconic, ARLON, BT, Ceramic, Aluminum 2-Layer PCB with Gold Finger