Insulating material as a substrate (e.g. FR4) with copper-clad wiring, used to connect electronic components and provide physical support, widely used in electronic equipment.
Design the circuit, output file --- Prepare the board --- Make the inner layer circuit --- Lamination --- Drilling --- Make the outer layer circuit --- Make the soldermask layer --- Make the silkscreen layer --- Surface treatment --- Test and inspection --- Packing and shipment.
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