Electronic components in electronic circuits are integrated and assembled on a board; this board is called a printed wiring board or printed circuit board. This hard and thick board is an alloy of different combinations which helps in giving a proper shape for electronic circuits. This board is mainly the combination of insulating and conducting layers, holes, vials, copper tracks pads, and some other components. for more info Visit: https://procoppercladlaminates.blogspot.com/2020/08/introduction-to-copper-clad-laminates.html