Troubleshooting your Conformal Coating Issues on the Production Line: Capillary Flow

Capillary 4 200x150When a problem occurs on the coating line and a circuit board is defective there is generally a good reason for the occurence. This week Nexus takes a look at Capillary Flow.

Capillary flow (or scavenging) in conformal coating processing is where the coating pulls or runs away from certain areas of a PCB to more favourable areas.

This is due to a combination of effects which leave a patchy finish on the surface of the board around the defective area.

There are several options to resolve this issue and prevent this occurring in production.

Find out more

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Author: nexus3c

A global resource for the Conformal Coating industry providing information, solutions, connections and advice on all areas of Conformal Coating including Conformal Coating Service, Equipment, Materials, Training, Documentation and Consultancy.

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