Why Use UV Conformal Coating To Protect Electronic Circuit Board?

The main reason you should use conformal coating for your electronic circuit boards is that it offers protection to the board throughout its lifetime usage. The protective film is dielectric and non-conductive, and when applied to the PCBs, offers protection that is needed to keep the device at hand operating at optimum levels.

The conformal coatings protect against contamination, moisture, dust, fungus, salt spray, and corrosion. All these are harsh environmental conditions that could damage electronic devices extensively. The coatings are used on electronics likely to be exposed to adverse conditions, including chemicals, heat, and moisture. Additionally, the coatings are reliable in reducing mechanical, vibrational, and thermal stresses and increasing the dielectric strength of conductors, making it possible for board components to be as small and compact as needed.

The appearance 

Conformal coating is shiny and clear material, but the coatings can vary in hardness depending on their composition. Some materials are hard, and some are slightly flexible and rubbery. Under UV light, most coatings will appear greenish-white, and the marker enables easy inspection during production.

The usage

Conformal coatings were common in military and safety products back in the day, especially because costs were high. But with developments in processes and materials, consumer electronics and products, including mobile phones and wearable technologies, are coated for protection. As it stands, conformal coating is rapidly becoming a norm as electronic, and circuitry components continue miniaturizing.

The application 

Spraying, brushing, and dipping are some methods used in applying the coatings onto circuit boards. Since the requirements can vary from product to product, the equipment and application processes are numerous, and emerging technologies continue. There is the option of using automated processes for precision. The product to be coated together with the desired results will usually influence the materials used, the application process selected, and the economic costs over time.

Conformal coating began as a simple measure on electronic substrates to add extra protection from harmful external elements. Little attention was given to quality factors going beyond component coverage. With increased semiconductor assembly’s ability to perform complex tasks in signage, traffic control, automotive applications, and outdoor surveillance, conformal coating demand has greatly increased. Device failure has serious consequences; hence, applying quality coating material is very critical.

Getting it right 

As a company dealing with electronics, sending reliable and safe devices should be your priority. Conformal coatings might be all you need to extend the life of the devices, making them more reliable and functional to the target audience. The best you can do is to start by understanding the level of protection the device needs and the coating material that is most suitable.

You can invest in any needed application equipment to serve your needs in the long term. Alternatively, you can also source conformal coating services from reliable and reputable providers. You can evaluate which way is best according to your production volume and the speed at which you need the products finished and ready. When choosing coating products, go for quality products from reliable manufacturers; ensure the products meet the set standards to get only the best for your electronics.

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