PROTOPCB is able to fabricate nearly any PCB. Examine our ability. board thickness of 10 mm, minimum line width/space of 1.5/1.5 mil, minimum hole size of 0.2 mm, maximum laser hole of 3 mil, 4+N+4 HDI, POFV, via filling with copper, high-speed and high-frequency, abundant materials, impedance tolerance of 5–10%, and most common surface treatments are among the features that may be found. View the following features in greater detail: