Ultrasonic Precision Coating Technology For Electronic PCB Printed Circuit Board

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

 

 

Precision ultrasonic coating is a premium safety treatment process for electronic printed circuit boards (PCBs). This technique relies on high‑frequency ultrasonic vibration to fully atomize moisture‑proof, insulating and anticorrosive coatings, which are then deposited uniformly across PCB surfaces. It effectively safeguards circuit board functional stability and prolongs service life.

Ultrasonic processing improves coating adhesion to PCB substrates, delivering stronger protective performance for electronic PCBs while keeping pace with the evolving design requirements of electronic products.

 

 

The coating splashing issue during ultrasonic PCB coating can be effectively resolved by adjusting the following process parameters and equipment settings:

1. Lower ultrasonic power. Reducing ultrasonic output power weakens spray intensity and prevents excessive atomization that causes splashing.

2. Decrease coating speed. A slower coating travel speed allows the coating material to spread uniformly over the substrate surface, eliminating splashing caused by fast operation.

3. Prolong pulse duration. Extended pulse time enables sufficient and complete atomization of the coating, avoiding instantaneous high-volume ejection that leads to splatter.

4. Adjust ultrasonic frequency. Adopt a lower ultrasonic frequency to optimize the spray state and deliver a more stable, consistent spraying effect.

5. Increase coating viscosity. Overly thin coating fluid is prone to splashing. Appropriate viscosity enhancement (such as adding thickeners) can optimize fluidity and suppress splashing.

6. Optimize or replace the nozzle. Improve the nozzle structure design, or fine-tune the spraying angle and working distance to stabilize the spraying process and reduce splashing.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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