This product represents a bare 8-layer printed circuit board (PCB) with a size of 1m2, meaning no electronic components are included on the printed circuit board, and the average areal density is approximately 5.785kg/m2; this dataset includes primary raw materials, auxiliary materials, energy, atmospheric emissions, and waste from the production process, while infrastructure such as the manufacturing of production equipment and the construction of factory buildings is not included in the boundaries of this dataset; the data inventory was formed through the consolidation of data from multiple sources; the production of printed circuit boards includes the processes of substrate making, inner layer board making, electroless copper plating, outer layer circuit forming, electroplating and etching, printing, surface treatment, forming, and inspection.