PCB manufacturing information Note1. There are no copper traces, only copper planes on both side, because it is a mechanical PCB part. Note2. Copper thickness: 2 oz (70um) Note3. There are no solder mask, only copper with HASL and white silk screen. PCB size 176.4 x 55.2 Layers: 2 Material: FR4 PCB thickness: 1.6 mm Copper thickness: 2 oz (70um) No solder mask Coating of pads: HASL Silk screen color: White