PCB etching production line

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PCB etching production line

The process of the printed circuit board from the light board to the circuit pattern is a relatively complicated process of physical and chemical reactions. At present, the typical process of printed circuit board (PCB) processing uses the "graphic plating method". That is, pre-plated a layer of lead-tin anti-corrosion layer on the part of the copper foil that needs to be retained on the outer layer of the board, that is, the pattern part of the circuit, and then chemically corrodes the remaining copper foil, which is called etching.