Part Marking Populated PC Board

  • Thread starter dingpud
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In summary, the conversation is about finding a more permanent solution for labeling board part numbers or serial numbers for configuration control reasons. Suggestions include using sticky and durable labels or printing the numbers in copper on the conductor side. Sharpie markers are not recommended for long-term use.
  • #1
dingpud
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1
Gents,

I have populated boards which a white box screen printed onto the board where a part number or serial number can be written in with a magic marker. I am looking for something more permanent for configuration control reasons and wanted to know if anyone has any successful experience with this. Since Sharpie's can be alcoholed off, we'd like to engrave something, but don't want to damage the integrity of the board.

Any and all suggestions are appreciated.

Thanks,
 
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  • #2
You could use very sticky and durable labels. We use those for some of our board markings. It either needs to be in metal, silk, or stuck on with those foil labels. I agree that Sharpie won't be great in the long run.
 
  • #3
Are you printing or designing the PCB yourself? You could always print the number in copper on the conductor side.
 

1. What is "part marking" on a populated PC board?

Part marking refers to the process of labeling or identifying individual components on a populated printed circuit board (PCB). This is typically done using a combination of letters, numbers, and symbols to indicate the component's type, value, and manufacturer.

2. Why is part marking important for populated PC boards?

Part marking is important because it allows for easy identification and troubleshooting of components on a PCB. It also helps to ensure that the correct components are used during assembly and that any faulty components can be easily replaced.

3. How is part marking typically done on populated PC boards?

Part marking can be done using various methods such as inkjet printing, laser marking, or etching. The specific method used will depend on the type of component, the material of the PCB, and the desired level of permanence for the marking.

4. Can part marking be automated?

Yes, part marking can be automated using specialized machines that can quickly and accurately mark components on a populated PCB. This helps to improve efficiency and reduce the chances of human error in the marking process.

5. Are there any industry standards for part marking on populated PC boards?

Yes, there are industry standards, such as IPC-7351, that provide guidelines for the placement and readability of part markings on PCBs. These standards help to ensure consistency and accuracy in part marking across different manufacturers and assemblies.

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