4Layer Blue Arduino uno PCB Board
Number of layers: 4
Board thickness: 2+/-0.18mm
Size: 225mm*150mm
Board used: Shengyi (S1000-2)
Minimum aperture: 0.2mm
Surface treatment: Immersion gold
Minimum hole copper: 25um
Table copper thickness: 1OZ
Minimum line width/spacing: 0.085mm/0.085mm