Printed circuit board (PCB) is a crucial component of electronic devices, serving as a platform for electrical connectivity between various components. However, there are several synonyms to describe this piece of hardware, such as a circuit board, a synthesized board, a printed wiring board, or even a printed wiring card. These names refer to the same function of the PCB, which is to provide a foundation for the electrical connections between components, and to carry the necessary current and voltage to make the device operate. Regardless of the term used, a functional and well-designed PCB is essential to the performance and reliability of any electronic device.