1 Eurocircuits - how to make a 4-layer PCB (full version)
Follows a commercial four-layer PCB through every production step; cited for questions on layer alignment, etch resist and why fabs use so much water.
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Follows a commercial four-layer PCB through every production step; cited for questions on layer alignment, etch resist and why fabs use so much water.
Shown as proof that badly damaged multilayer boards can sometimes be saved, and as a realistic picture of the skill that such work demands.