How to choose the protective layer preparation of PCB board?

How to choose the protective layer preparation of PCB board? ——YMUS ultrasonic spraying

PCB performance can be affected by many external or environmental factors, such as moisture, extreme temperatures, salt spray and chemicals. Protective coating is a polymer film coated on the surface of a PCB to protect the PCB board and its components from corrosion and environmental pollution.

Protective coatings prevent corrosion of conductors, solder joints and lines by protecting against the effects of contaminants and environmental factors. In addition, it acts as an insulator, thereby reducing the effects of thermal and mechanical stress on the components. Protective coating is an important part of printed circuit boards, with thickness usually between 50-200um. It is widely used in aerospace, automotive, military, marine, lighting, consumer electronics and industrial industries.

Ultrasonic spraying technology is widely used in protective coatings in PCB (Printed Circuit Board) preparation, covering multiple industries and fields.

Application areas:

● Consumer electronics: such as smartphones, tablets, TVs, etc. The protective coating can provide moisture-proof, dust-proof, anti-corrosion and other functions to protect the stability and reliability of the circuit board.

● Industrial control equipment: PCB board protective coating for industrial control equipment, such as PLC (programmable logic controller), industrial automation equipment, etc. Protective coatings can provide dustproof, anti-corrosion, anti-vibration and other functions to protect the stability and reliability of circuit boards in harsh industrial environments.

● Automotive electronics: such as vehicle navigation systems, vehicle entertainment systems, etc. The protective coating can provide moisture-proof, dust-proof, anti-vibration, anti-corrosion and other functions to protect the stability and reliability of the circuit board in vehicle vibration and harsh environments.

Advantages Advantages:

● Uniformity: achieve uniform distribution of the solution, avoid uneven thickness of the coating, and provide better protection performance.

● Controllability: Precisely control the thickness and composition of the coating.

● Efficiency: The production line can be customized to quickly coat the entire PCB surface, improving production efficiency and process controllability.

● Cost saving: Reduce paint waste, improve material utilization, and reduce production costs.