One-sided PCB board: The solder joints are concentrated on one particular aspect, and components are generally inserted on the other aspect. Some products nevertheless have SMD components over the copper-clad aspect. Double-sided board: Both sides is usually format, and both may have plug-in components or SMD components. A lot more https://double-sidedimmersiongold95937.blog-gold.com/38742583/facts-about-four-layer-tin-spraying-module-power-pcb-revealed