One-sided PCB board: The solder joints are concentrated on one particular facet, and components are frequently inserted on one other side. Some products nevertheless have SMD components on the copper-clad side. Double-sided board: Both sides may be layout, and each can have plug-in components or SMD components. The metal layers https://8-layer-immersion-gold-so83726.blog-gold.com/38808096/facts-about-four-layer-tin-spraying-module-power-pcb-revealed