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双面板流程

Double side PCB board production process:

1.Shearing 2.Positioning hole shooting 3.CNC drilling 4.Deburring 5.Electroless copper(PTH) 6.Pre treatment brushing 7.Dry film lamination 8.Circuit Exposure 9.Circuit Developing 10.Pattern copper plating 11.Film stripping 12.Etching 13.Lead tin stripping 14.Mid treatment brushing 15.Solder mask silk printing 16.Drying oven 17.Solder mask exposure18.Soler mask developing 19.OSP(Anti-oxidation) 20.Charater silk printing 21.UV curing 22. Punching/V cutting 23. Finished products cleaning 24. Circuit testing and packing


Production Process:

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