It makes for a better power distribution, that is it lowers the resistance of the wires so you do not lose so much voltage when large currents flow. The resistance of the foil tracks on a PCB are quite high when compared to normal wire.
It makes for a better power distribution, that is it lowers the resistance of the wires so you do not lose so much voltage when large currents flow. The resistance of the foil tracks on a PCB are quite high when compared to normal wire.