Learn more! Why do PCB multilayer boards have an even number of layers?
PCBs are available in single-sided, double-sided and multi-layer versions. The number of layers in a multi-layer version is unlimited. Currently, there are PCBs with more than 100 layers, and the most common multi-layer PCBs are four-layer and six-layer versions. So why do people have this question, “Why are all multi-layer PCBs even-numbered?” Relatively speaking, PCBs…


