I created a schematic and routed it and created ground planes for the top and bottom. I then, decided to add some more components so I ripped up the signals and then tried to delete the ground plane polygons. However, on both top and bottom layers, there is still like a line that is left of a polygo…

Eagle can't delete polygon

phalanx July 25, 2011, 12:24am 5

That’s correct. The masked areas are where the soldermask shouldn’t be.

-Bill