A printed circuit board (PCB) is a plastic board made for connecting electronic components. Almost all types of computer and electronic device now rely on PCB production.
The "board" used in PCB manufacturing must not conduct electricity, so it is usually made from plastic or fibreglass. A metal, usually copper, is either etched inside the board or on the surface. The idea is that electricity is allowed to flow between all connected components within a device safely and efficiently - while being insulated. The components involved in PCB manufacturing usually consist of switches, diodes, chips and resistors.
- PCB as a support for electrical components
- Structuring of a metal surface
- Suitable for machines in series or prototype production
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The most basic of electronic devices can contain a PCB and nothing else, such as calculators and digital watches. However, modern PCB production usually entails the piecing together of graphics cards, sound cards, motherboards and chips - all of which are connected to one another using a PCB.