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Yes, there are many devices available for removal of resist skins. Most
stripping equipment manufacturers either have one available, or can point you
in the right direction.
If you are using a proprietary stripping chemistry, ask your supplier about
resist skin separators. IMO, the best type is a centrifugal drum type. If
plumbed correctly, this type can remove 95% of the resist in your solution;
greatly extending the bath life.
The amount of resist dissolved is probably minimal; it will depend on the
parameters of your stripping chemistry (ie, concentraton, temperature, spray
pressure, dwell time).
Mark Dowding
Regional Technical Specialist
Insulectro
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