Desmear

For inner layers, multi layers and double-sided circuits. The desmear treatment takes place in three process steps. First the drill dust is removed, then the smear in the bore holes softened and afterwards completely removed by a permanganate solution. The result is a micro fine textured resin surface.

Inline system for cleaning drilled holes and roughening the resin surfaces of PCBs

Process modules in stainless steel execution for high process temperatures

Fully automatic dosing based on area calculations

Electrolytical regeneration of permanganate without additional chemicals

Fully automatic, individual proportioning controlled by analog level transducers

Ultrasonic transmitters support the swelling and cleaning process

Automatic vapour trap for the prevention of bath contamination due to vapour movement

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