How do I selective apply my conformal coating?
Selective application of conformal coating is this case is applying the conformal coating without using masking to shield components from ingress.
Technically using masking tapes, latex and boots is a selective process. But, we want to look at coating application without masking.
This leaves a couple of different options.
The first is brushing. This is a simple selective process that can be highly effective.
The second, and the more obvious option, is selective robot.
This process uses a small spray valve (there are many conformal coating spray valve types) that is attached to a robot that follows a set pattern applying the conformal coating selectively to the circuit board.
To read more about how to selective apply conformal coating, click here…
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Conformal Coating 