PCB - Printed Circuit Board

Printed Circuit Boards / PCB’s explained

PCB stands for printed circuit board; it is sometimes referred to as a PWB. A PCB is a flat board that holds chips and other electronic components. The circuit board is typically made of 2 to 10 layers that interconnect components through copper pathways. The main printed circuit board (PCB) in a system is called the system board; the smaller PCB’s are normally referred to as cards.

The printed circuit board / PCB of the 1960’s connected electrical components together. The printed circuit board / PCB used today interconnect hundreds of thousands or millions of chip components.

The printed circuit is really an etched circuit; it has a copper foil paced over a plastic or fibreglass base of each layer. Light is sent through a negative image of the circuit paths onto each layer. The unhardened areas of the circuit are removed when the circuit is passed through an acid path. The finished layers are glued to together to produce the finish circuit board.

For more info' on printed circuit board / PCB call 01902 606000

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