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manufacturing parts for gcb400 waste circuit board from gold manufactory

manufacturing parts for gcb400 waste circuit board from gold manufactory

Aug 18, 2020 FPC circuit board production process. At present, the production process of FLEXIBLE circuit board mainly includes material opening, drilling, VCP, copper plating, dry film sticking, exposure, development, etching, dry film drying, decontamination cleaning, protective film sticking, lamination, pure tin, gold plating, silk-screen printing, punching, electrical testing, reinforcement film ...

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