How do we make a four-layer PCB?

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shenzhengrande
Posts: 6
Joined: Thu Apr 18, 2019 2:38 am

How do we make a four-layer PCB?

Post by shenzhengrande » Wed May 08, 2019 2:11 am

Here is the procedures of making four-layer PCB for your reference:

Processing data = >Board cutting = > Inner layer trace = > Outer layer trace= > Drilling = > Electroplating = >Solder mask = >Silk-screen= > Surface treatment = > Appearance = > Testing = > Packaging
http://www.58pcba.com/index.php?id=566
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