High Performance Coating Ultrasonic Technology For Circuit Board Protective Coated

Hangzhou Shengtu Technology Co., Ltd. is one of the leading manufacturers and suppliers of high performance coating ultrasonic technology for circuit board protective coated in China. Welcome to buy high quality customized products at low price from our factory. Contact us for more details.

 

 

 

High Performance Coating Ultrasonic Technology for Circuit Board Protective Coated is an advanced process that utilizes ultrasonic technology to accurately coat electronic circuit boards, playing an important role in improving circuit performance and production efficiency. Ultrasonic waves precisely control the spraying amount and coverage range of coatings through amplitude and guiding gas, ensuring that protective coatings, barrier coatings, etc. form uniform and dense coatings on circuit boards, effectively improving the insulation, barrier properties, and environmental corrosion resistance of electronic circuit boards.

 

 

When printed circuit boards without protective coatings are exposed to humid air, a thick layer of water molecules will form on their surface, reducing the surface insulation resistance (SIR) of the circuit board. The lower the surface insulation resistance, the more severe the deterioration of the transmission performance of electrical signals. Its typical consequences are crosstalk, electrical leakage, and transmission interruption, which may lead to permanent signal interruption, namely short circuit.

The moisture film on printed circuit boards without protective coatings also provides favorable conditions for metal growth and corrosion, which in turn affects insulation strength and high-frequency signals. Dust, dirt, and other environmental pollutants that fall on the assembly board continuously absorb moisture, thereby expanding its negative impact. Conductive particles such as metal fragments can also cause electrical bridging.

The protective coating is a plastic film wrapped around the printed circuit assembly board, with a thickness of 0 005in, it seals dust and environmental pollutants outside the circuit board. Of course, the protective coating may also seal the pollutants that have not been removed during the pre cleaning process, so it is very important to clean the surface of the circuit board before applying the protective coating.

 

 

1.  Protect the circuit from extreme environments and prevent it from being affected by moisture, bacteria, dust, and rust;

2.  Prevent damage to circuit boards during production, assembly, and use, reduce mechanical stress on components, and protect them from thermal oscillations;

3.  Reduce wear and tear during use;

4. Due to the increased insulation strength between conductors, the protective coating enhances the performance of the circuit board and allows for greater component density.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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