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How to manage Silkscreen Content?

konrad84

Hi @all,

 

in my design I have some components where the "Top Overlay"-Layer is used to show the pysical dimensions of the component. So, this is the silkscreen. Now, I want to place some informations on this layer, for example the declaration of jumper positions and so on. My problem is now, that I don't want ot have the dimensions of the components on my board. I just want to have the informations which I added to the layour. Is there any possibility to create a second Silkscreen-Layer and disable the one with die dimensions of the components?

 

For better understanding I have posted the layout. You see on the top the Inputs A and B and the tracks for the components on the silkscreen (I don't need this on den PCB). On the bottom you see the informations for the jumper (this should be visible on the board)

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  • 0

    Konrad, if I've got your question right,

     

    There is nothing stopping you to make the required annotations on a Mechanical layer and then tell the manufacturer that the specified layer is to be used as the Top Overlay and/or Bottom overlay.

    You may even change the file extensions for the resulting Gerber files so your Gerber file associated to the chosen mechanical layer will have the file extension changed from whatever it's the file extension name to .GTL for Top Ovelay (silkscreen on top) or to .GBL for Bottom Overlay (silkscreen on bottom).

     

    The Drill Drawing layer was historically used as a way to communicate your requirements to the PCB manufacturer. You can put text on the Drill Drawing layer with information's about what is your layer stack: which layer is Top copper, which is Bottom Copper, which is Top Overlay (top silkscreen), which is the Top soldermask and so on.

  • 0 in reply to mars01

    Ok got it!

     

    So you mean that I can put my annotations for example on the "Assembly Text Top"-Layer and tell the manufacturer to take this layer as silkscreen.

    Is there any possibility to show the mechanical layer in 3D-View. All I can see are the "real" silkscreen-layers

  • 0 in reply to konrad84

    You can certainly do that. However if you are using parts from standard libraries / vault then it would be better to stick to the standard layer usage otherwise you will end up in a mess with different components using different layers. It might be worthwhile considering editing the library parts to move the unwanted silkscreen elements to Assembly Top or similar.

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  • 0 in reply to konrad84

    You can certainly do that. However if you are using parts from standard libraries / vault then it would be better to stick to the standard layer usage otherwise you will end up in a mess with different components using different layers. It might be worthwhile considering editing the library parts to move the unwanted silkscreen elements to Assembly Top or similar.

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