Here are some specific purposes of conformal coating:
1. Moisture Resistance: Conformal coating prevents moisture from penetrating the electronic assembly, which can cause corrosion, short circuits, and other failures. Moisture can come from various sources, such as humidity, rain, condensation, or even spills.
2. Dust and Particle Resistance: Conformal coating acts as a barrier against dust, dirt, and other particles that can accumulate on the electronic assembly. These particles can cause short circuits, overheating, and other issues.
3. Chemical Resistance: Conformal coating protects electronic components from exposure to chemicals, such as cleaning agents, solvents, and acids. These chemicals can damage electronic components and cause corrosion.
4. Corrosion Resistance: Conformal coating prevents corrosion caused by exposure to moisture, salt, and other corrosive substances. Corrosion can lead to the failure of electronic components and reduce the overall lifespan of the assembly.
5. Electrical Insulation: Conformal coating provides electrical insulation between the conductive traces and components on the electronic assembly. This helps prevent short circuits and other electrical malfunctions.
Overall, conformal coating plays a crucial role in protecting electronic assemblies from various environmental factors, ensuring their reliability and longevity. It is widely used in industries such as automotive, aerospace, medical, telecommunications, and many more where electronic devices are exposed to harsh conditions.