Conformal coating is the act of coating electronics in a material best suited for the device and environment it stays in. The field requires in-depth knowledge about the chemical makeup of these materials and a firm grasp of the components of all major electronics. The experts in this industry - also known as conformal coating operators or technicians - undergo significant training to properly conduct conformal coating operations.
So how does conformal coating work? Essentially, a thin, polymeric film conforms to the contours of a printed circuit board or other crucial component, and once dried acts as a protectant from environmental hazards such as moisture, dust, chemicals, dust, and temperature extremes. Without this coating applied correctly, electronics are left vulnerable and have the potential to be damaged.
Coating materials technicians have a set of special questionnaires for each of the important decisions that they must make in regard to coating electronics. Some key questions to consider when selecting materials include:
What is the electronic being protected against?
What is the temperature range that it will be exposed to?
What are the physical, electrical, and chemical requirements for the chemical?
What is the electrical, chemical, and mechanical compatibility between the device and the coating material?
The answers to these questions will provide a coating technician with the proper information to make an informed decision about which material to use.
Types of possible coating materials include:
Florinated or Non-Florinated Parylene
Coating technicians must also make decisions about which method of application will work best for each device and material. Coating technicians are also able to perform inspections of previously coated electronics in order to report on whether or not the coating is handling the environment it is in, or if it is simply outdated and needing to be replaced. If environmental factors change, it maybe wise to enlist in the inspection services of a technician to determine whether or not the material that the components are currently coated in will withstand the changes. For larger electronics, such as vehicles, an expert coating technician will also be extremely useful in applying the UV method of coating.
If you’re looking for a solution for your coating needs or if you are looking to trial a freelancer to see if they provide the levels of expertise you are looking for, using a platform such as Freelancer.com is a fantastic option.
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