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<h1>New SION Sets Material Requirements for 6-Layer PCB Production Under Foreign Trade Policy</h1> The Standard Input-Output Norms (SION) for manufacturing a 6-layer printed circuit board (PCB) with four layers of copper-clad laminate, as per the Foreign Trade Policy. It specifies the quantities of various materials and chemicals required for different stages of PCB production, including drilling, desmear, plating, imaging, and multi-layer processing. The schedule emphasizes the need for applicants to ensure that imported goods are necessary for the export product, detailing inputs like copper anodes, plating chemicals, films, inks, and other specialized materials essential for PCB manufacturing.