Eric Albach wrote:
> How can I route copper traces on an internal plane? I need to place many
> copper traces on the internal ground plane and have only found normal split
> planes or non-copper traces which would be a very difficult way to do it.
If I am routing a few special power connections on the power plane, I can
manually place a ring of tracks surrounding the copper I want to be the
trace, making sure the trace avoids all through holes except the ones at
each end it is to connect to. This is tedious for many signals, and pretty
much breaks the DRC checking. But, if I am routing, say, + and - 12 V to
just one chip out in the middle of a board, it works pretty well.
The other way is to make your power and ground planes just ordinary signal
layers, route your traces on that layer normally, then enclose the region of
the layer you want grounded by doing a "place Polygon", and do a copper
pour over that region.
The copper pour works well with many signal traces on it.
Jon
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