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Little knowledge - Thick copper PCB

Electronics are used in demanding environments and operate at higher currents in these days.

Thick copper PCB can help conduct heat away from components and withstand high current, satisfying the market of power conversion module boards which is used in automobile electronics and electric equipment.

Heavy copper PCBs means copper conductors 5 oz/ft2 – 19 oz/ft2 in inner and/or outer layers; sometimes defined as more than 4 oz per square foot (ft2).

These boards can be manufactured in a smaller footprint as they can contain multiple weights of copper on the same circuit layers.