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Alpha rev.04 PCB Description:
Number of layers: 8
Type of material: FR-4
Board thickness: 1.6 mm
Board size: 99.5 x 122.0 mm
Surface finish: ENIG
Outer layers: 35 um
Inner layers: 35 um
Soldermask side: Top & Bottom
Soldermask color: Green
Silkscreen side: Top & Bottom
Silkscreen color: White
Smallest track: 0.15 mm
Smallest drill: 0.25 mm
Smallest gap: 0.1 mm
Extra: 0.25 and 0.5 mm vias must be plugged
according to IPC4761 type VII ("via in pad")
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