Factors affecting the characteristics of the etching solution in the PCB board

The choice of etching solution is very important, and it is so important because it directly affects the accuracy and quality of high-density thin wire images in the printed circuit boards manufacturing process.
Performance of OSP film in PCB copy board lead-free process

The printed circuit boards industry is shifting the surface treatment from hot air leveled tin spray (tin-lead eutectic) to other surface treatments.