Removing Unintentional Trace Antennas with Subtract

A trace antenna could be accidentally generated by a copper pour in some cases, such as when the gap between pads is wide. This article explains how you can remove it with the Subtract feature.


Removing Unintentional Trace Antennas

  • Route a trace between the pads.
  • Select the Subtract command from the context menu.
  • Specify the value for the clearance required at the Property window. In the sample clip above the value is set to 0.2mm.
  • Select the plane with unintentional antennas.
  • Select the trace between the pads.
    => The plane will be cut out based on the shape of the trace.
  • Finally, delete the trace you have created.
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