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Do vias break?


I’ve been reading up a lot about the chemistry behind creating electroforming PTH vias, and one of the things that I came across was the effect of the copper grain size on the longevity of the via.

Given that my application is a CNC mill which produces constant accelerations (vibrations) in all 3 axis; how would Ghi’s product suite hold up under such conditions?

Would the VIA’s in the G400 module fracture after only a few short months?