PCB manufacturing information Note1. There are no copper traces, only copper planes on both sides, because it is a mechanical PCB plate. Note2. Put manufacturer markings on the bottom side. PCB dimensions: 176.4 mm x 55.2 mm Material: FR4 Board thickness: 1.6 mm Layers: 2 Copper thickness: 1 oz Solder mask color: White Silkscreen text: Black Surface Finish: HASL (ENIG allowed if free of charge)