Advantages of Flux Spraying

Ultrasonic spraying technology provides a revolutionary solution for precision coating of soldering flux in the field of electronic manufacturing. Compared with the traditional immersion or spray method, this technology uses high-frequency acoustic waves to atomize the flux into micron sized, uniform and fine droplets, and can achieve accurate, non-contact patterned spraying.

The core advantage of this process lies in its excellent uniformity and extremely high control accuracy. It can deposit an ultra-thin and uniformly thick flux film only on specific pads or solder joints that need to be soldered, effectively avoiding problems such as bridging and virtual soldering caused by excessive flux or uneven spraying. At the same time, this precise spraying can significantly reduce the consumption of flux, save costs, and minimize the difficulty and residual risk of subsequent cleaning.

Flux spraying offers significant advantages in the electronic component soldering process, primarily in the following areas:

Improved Soldering Quality and Efficiency

Uniform Coating:
Flux spraying creates a uniform, thin, and dense coating, which helps more evenly remove oxide films from metal surfaces during soldering and enhances the wettability of the soldering material.
A uniform coating also ensures stable and reliable solder joints, improving soldering quality.

Fast Coating:
Spraying is much faster than traditional manual coating, significantly reducing pre-soldering preparation time.
Especially for large-scale, automated production lines, spraying significantly improves production efficiency.

Reduced Pollution and Waste

Precise Control:
Flux spraying technology allows for precise control of various spraying parameters, such as spray speed, angle, and distance.
This precise control effectively reduces waste and unevenness during the spraying process, significantly improving overall spraying efficiency.

Environmental Protection and Energy Saving:
Advanced spraying methods, such as ultrasonic spraying, do not require additional heating equipment. Instead, they disperse the flux into fine particles through high-frequency vibrations, reducing energy consumption.
These technologies also produce no additional air pollution or wastewater, minimizing environmental impact and aligning with the green production philosophy of modern industry.

Strong Adaptability

Various Spraying Methods:
Flux spraying methods include foam wave coating, direct spray (compressed air spray), rotary screen spray, and ultrasonic spray.
Each method has its own unique characteristics, adapting to varying welding requirements and process conditions.

Wide Applicability:
Flux spraying technology can be applied to a variety of welding processes, including manual, automatic, and robotic welding.
It is also widely used in various fields, such as automotive, aerospace, electronics, and steel metallurgy.

In high-end precision soldering processes such as chip packaging, ball grid array (BGA), flip chip, etc., ultrasonic spraying ensures the uniform distribution of active ingredients in the flux, which can fully remove oxides on the surface of the solder pad, ensure soldering reliability, and avoid corrosion or electromigration caused by excessive local areas. Therefore, this technology is of great significance for improving the first pass yield, reliability, and miniaturization level of electronic component soldering.

About Cheersonic

Cheersonic is the leading developer and manufacturer of ultrasonic coating systems for applying precise, thin film coatings to protect, strengthen or smooth surfaces on parts and components for the microelectronics/electronics, alternative energy, medical and industrial markets, including specialized glass applications in construction and automotive.

Our coating solutions are environmentally-friendly, efficient and highly reliable, and enable dramatic reductions in overspray, savings in raw material, water and energy usage and provide improved process repeatability, transfer efficiency, high uniformity and reduced emissions.

Chinese Website: Cheersonic Provides Professional Coating Solutions