Conformal coatings can be applied to printed circuit boards (PCBs) in the production process environment in many different ways.
Listed below are the common methods of applying conformal coating materials:
Click on each to review each conformal coating application technique in our free ebook online.
The holistic approach to conformal coating application methods
It is possible to split the different application methods and their suitability in many different ways including:
- Compatibility with the conformal coating material
- Design of the circuit board
- Suitability to low, medium and high volume
- Manual versus automatic process
- Type of method of application
- Level of control required
Each of the various coating methods has different advantages and disadvantages.
This relates to the holistic approach to conformal coating processing. It states that you should consider the conformal coating material itself, the application process and the circuit board together and not as three separate entities.
However, when considering the application methods it is possible to make some assumptions that help in selection.
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