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Meet Us At Focus On PCB 2025, Booth A47, 21-22 May 2025, Vicenza, ltaly

Day May 23, 2024

PCB Spray Etching Process

Etching is to spray the etching liquid evenly onto the surface of the copper foil through a nozzle under certain temperature conditions (45+5), and undergo a redox reaction with the copper that is not protected by the etching resist, and the unnecessary copper reacts to expose the base.