Steps to increase clearance between the copper plane and signal trace in Eagle

1. The Default isolation between the copper layer and the signal traces is “6 mil“.

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2. To increase the clearance right click on the edge of the polygon and go to “Properties“.

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3. In Properties, change the Isolate value to 10 mil, click “Apply“ and then “OK“.

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4. The spaces between the copper layer and the signal traces will increase.

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