As the fan application industry is more and more extensive, the realistic problems facing customers are also more and more, so how to solve these problems? Today we are going to talk about how to prevent corrosion.

The main reasons for the corrosion of the circuit board are as follows:

1. Circuit board oxidation. If the circuit board is placed in a humid environment for a long time, it is easy to oxidize the surface of the circuit board, so the welding pad and wire on the circuit board will lead to corrosion and failure due to oxidation.

2. Corrosion during welding. If the solvent is not appropriate during the welding process, it is also easy to lead to corrosion of some components on the circuit board.

3. The circuit board is exposed to chemical liquid during use. During the use of the circuit board, it is possible to come into contact with various chemical liquids, and some chemicals will directly corrode those easily corroded materials on the circuit board.

Corrosion not only causes damage to the circuit board, but also indirectly affects the service life of the fan, so how to prevent corrosion is very important. To this end, we propose some small suggestions:

1. Prevent moisture. The circuit board is usually used in a humid environment, but if the moisture on the circuit board cannot be dried in time, it will affect the service life of the circuit board. Therefore, you can install a humidifier and open a fan to keep the circuit board dry.

2. Apply coating. Coated with a layer of moisture-proof, anti-corrosion coating, can protect the circuit board to a certain extent. This type of coating usually has excellent corrosion resistance and can withstand the attack of various chemicals.

3. Choose the right materials. Different circuit board materials have different corrosion resistance. According to the specific needs, choose the appropriate material. For example, FR4 material is a common corrosion resistant material, so it can be used in underground or offshore equipment.

4. Meet environmental requirements. If the material used in the manufacture of the circuit board does not meet the environmental requirements, or the chemical liquid used is harmful to the environment, with the development of technology, it is more and more rejected by the market, so in the anti-corrosion treatment of the circuit board, it is necessary to consider the environmental requirements and choose the materials and coatings that meet the requirements.

In short, different circuit board anti-corrosion treatment methods are suitable for different situations, and the choice should be made according to actual needs. No matter which method is used, it is necessary to do maintenance to ensure that the circuit board is always in a dry and clean environment, so as to ensure the efficient and stable work of the circuit board.
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