PCB stands for “Printed Circuit Board.” A printed circuit board (PCB) is a type of electronic component that is used to mount and connect electronic components using conductive pathways, or traces, etched from copper sheets laminated onto a non-conductive substrate. PCBs are used in a wide range of electronic devices, including computers, smartphones, and other consumer and industrial products. They are made by printing the circuit design onto a copper-clad board using a photolithographic process, and then etching away the unneeded copper to leave the desired traces. The electronic components are then soldered onto the PCB to complete the circuit. PCBs are used because they are relatively cheap, easy to manufacture, and able to support a high density of components, making them ideal for use in complex electronic systems.

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