Solitary-sided PCB board: The solder joints are concentrated on just one aspect, and components are generally inserted on another facet. Some products still have SMD components over the copper-clad facet. Double-sided board: Both sides might be structure, and both equally can have plug-in components or SMD components. Zachariah Peterson has https://six-layer-high-frequency61593.activosblog.com/30533985/5-simple-statements-about-hdi-arbitrary-interconnect-pcb-for-pico-projector-explained