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Conformal coating is a thin protective film applied to the surface of PCBs to shield them from environmental factors such as moisture, dust, chemicals, and temperature extremes. This protective layer enhances the reliability and longevity of electronic devices by preventing damage caused by harsh conditions.

The application of conformal coating involves a meticulous process. Before coating, PCBs undergo thorough cleaning to remove any contaminants. The coating is then applied evenly to ensure complete coverage, and curing follows to create a durable and protective layer.One significant advantage of conformal coating is its ability to protect PCBs without altering their electrical properties. The coating must strike a delicate balance, being thin enough not to interfere with the functionality of components while providing robust protection against external elements.

The benefits of conformal coating extend beyond protection. It also aids in improving insulation resistance, preventing the formation of conductive paths between conductors, and minimizing the risk of short circuits. Additionally, conformal coatings offer enhanced resistance to corrosion, fungus, and other environmental stressors.

In conclusion, the application of conformal coating on PCBs is a vital step in ensuring the longevity and reliability of electronic devices.

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