Virtual welding, also known as false welding, is a state of disconnection. It is a kind of poor soldering, which is a very important reason for the high repair rate of PCBA in the early stage. Next, Shenzhen Viasion Electronics, a PCBA processing manufacturer in Shenzhen, will introduce the reas

Viscosity and surface tension are important properties of PCBA solders, and excellent PCBA solders should have low viscosity and surface tension when they are melted. Whether it is reflow soldering, wave soldering or manual soldering, surface tension is an unfavorable factor for the formation of g

Basic requirements for BGA pad design 1. The center of the pad of each solder ball on the PCB coincides with the center of the corresponding solder ball at the bottom of the BGA. 2. The PCB land pattern is a solid circle, and the via hole cannot be processed on the land. 3. After the via hole is

At present, the market has higher and higher requirements for the anti-yellowing performance of the photosensitive solder mask white oil for printed circuit boards. Only by finding the cause of the yellowing of the photosensitive solder mask white oil can we find ways to reduce the yellowing condi

In the electronic processing industry, there are wave soldering and manual soldering methods for plug-in materials in PCBA processing. What are the differences between these two soldering methods and what are the advantages and disadvantages? Next, VIASION PCBA processing manufacturer-Shenzhen Weish

In SMT processing, solder paste printing, SMT chip, reflow soldering, etc. are all key processing steps, but before processing, there is a very important process is incoming inspection, the following Shenzhen Viasion Electronics introduces the types and methods of inspection before SMT assembly.