A conformal coating can be applied to provide your PCB assembly with harsh environment protection including fortification against dust, moisture, chemicals and extreme temperatures. This is a protective coating or polymer film 25-75µm thick (50µm typical) that ‘conforms’ to the circuit board topology.
Our factory’s conformal coating area is constantly growing due the increasing demand of this PCBA finishing by OEMs. That is why we have integrated functional testing and conformal coating together in one line with 2 selective coating machines and a flipper to coat both sides. Thanks to this setup we have hugely increased the takt time of this process.
Depending on the type of material, thickness and coverage required, conformal coating could also be applied manually.