How can output negative eagle CAM

The CadSoft EAGLE upgrade to V6, the abolition of the supply layer, when I draw a 4-layer supply layer polygon can be connected to the corresponding signal, this is normal? How can I be able to the CAM output layer negative Gerber files?

0 Richard_H over 12 years ago

Hi,

EAGLE version 6 does no longer support inverted supply layers, as it was in the previous versions. Now you simply have to use a polygon in the inner layer, for example, for a ground plane. For creating Gerber data you have to output the inner layer + Pads + Vias into one Gerber file. It is the same as if you would export Top or Bottom side.
The CAM Processor does not (and it is not necessary to) export Gerber data inverted.

If you want to have an inverted output for example in Postscript format, let's say for a photo plotter, then you could use the PS_INVERTED device.....

Hope this helps.
Best regards,
Richard
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0 Former Member over 12 years ago in reply to Richard_H

Do you mean the same toplayer output is not it?
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0 Richard_H over 12 years ago in reply to Former Member

If you create Gerber data, let's say for a 4 layer board, you need for example

Top + Pads+ Vias             for the top side
Layer2 + Pads + Vias      for 1st inner layer (if you used layer 2 for it)
Layer15 + Pads + Vias    for 2nd inner layer (layer15 here)
Bottom + pads + vias       for the bottom side

and so on........

Each layer combination result in a separate gerber file.

Regards,
Richard
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0 Former Member over 12 years ago in reply to Richard_H

ok, I understand
thank you！
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