Ray Mitchell wrote:
Hello,
I would like my various planes to be back 50mil from the edges of the PCB. I placed a line on the keepout layer and set my clearance constraint to 50mils. While this does keep the autorouter from placing anything closer than 50mils from the edge, when I look at the Gerbers for the various planes it appears that they go right up to the edge and ignore the keepout. What is the correct procedure?
The power planes are not "objects" to Protel, they are a lack of object. You need to draw
either a track or a fill to cut these planes back from the edges. I use a wide track that partially
extends past the routed edge of the board, so the board will be cut through that track,
where there won't be any copper on the power planes. The keepout just prevents the autorouter
from placing components, pads or vias in that region, which is fine, as far as it goes.
Jon
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