Bungard Sur Tin with Bungard Base material

if you use ORIGINAL BUNGARD positive coated PCBs, we have an interesting technical alternative:

Step 1:
Etch your ORIGINAL BUNGARD PCB as usual.

Step 2:
develop the photoresist after etching once again with a negative films with open PADs.

Step 3:
apply our immersion tin SUR-TIN just to the now open PADs the photoresist will stay on the tracks and protect them.

This procedure is not widely known, but gives excellent results. Good solderability on the pads, nice optic and no extra costs!

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