How to check after PCB wiring?

After the PCB wiring design is completed, it is necessary to check whether the PCB wiring design conforms to the rules and whether the formulated rules do not conform to the requirements of PCB production process.  So, how to check after PCB wiring?

These following should be checked after PCB wiring:

PCB design drawing inspection items, PCB physical characteristics inspection items, PCB installation requirements, PCB electrical characteristics inspection items, PCB mechanical design factors, PCB pull-out requirements, PCB electrical precautions, PCB mechanical precautions, PCB wiring path and positioning, PCB wire spacing, PCB width and thickness, PCB wire graphics inspection and PCB design item inspection item list.

1. check whether the distance between holes is reasonable.

2. check whether the width of power wire and ground wire is appropriate.

3. check whether the best measures have been taken for the key signal wires.

4. check whether the analog circuit and digital circuit have independent grounding wires.

5. check whether the graphics added in the PCB will cause a signal short circuit.

6. check whether there is a process wire on the PCB.

7. check whether the outer frame edge of the power layer in the multilayer PCB board is reduced.

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