When we use electronics throughout the day, we rarely consider how they operate. Thinking about the inner workings of electronics can be mind-boggling as they are so small yet produce so much. From everything like a handheld electronic to security systems, there are electronic circuits making things run. These circuits must be protected. Read on to learn about why and how.
Why Printed Circuit Boards Need Protection
A printed circuit board (PCB) mechanically supports and connects electronic components. A PCB is a fundamental part of all the main electronics. Protection of the PCB is paramount as environmental threats such as rain, dust, and temperature fluctuations can cause damage. Conformal coating is a secure and nonconductive covering applied to PCBs to prevent exposure to deterrents in the functionality of the components.
How Conformal Coating Works
Conformal coating is a thin layer of chemical coating that conforms to a PCB to protect it from moisture and contaminants. There are four types of liquid coating, acrylic, epoxy, silicone, urethane and one vapor-phase, parylene. You will have different reasons for using each type depending on the product you want to coat.
Parylene Conformal Coating
Parylene is a form of a conformal coating that can be applied to virtually any surface or shape. The advantages of parylene are the uniform and pin-hole free final products. It is the most beneficial choice for conformal coating because it is a stable chemical compound and makes a solid barrier. This also means, in particular, that it is the best choice for electronic conformal coating. Additionally, it is a time-conscious choice as it is ready to go once applied, no curing time needed.
When using conformal coating, you should concentrate on what best meets the requirements for your object. To get more information about conformal coating and parylene, call us today.