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empty some in my ground plane
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pangoro24 5 years ago
After add the copper area in my pcb, a question came out. Why some areas where not filled? Public project link: [https://easyeda\.com/pangoro24/rpi\_gpio\_expansionboard](https://easyeda.com/pangoro24/rpi_gpio_expansionboard) ![ground plane question.jpg](//image.easyeda.com/pullimage/WFrg4MpW57dV4BakT0agu8bCJmEoNChNiRw13eFq.png)
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andyfierman 5 years ago
If there is no pad or track with the same netname as that assigned to the Copper Area and there is not enough clearance for the copper flood to make a copper connection through the gap then some areas will stay empty. If you select Keep islands = Yes: ![image.png](//image.easyeda.com/pullimage/SJj0njW96HHiqcAkvJNRy0Iix9G4ZgZTJRwiE5DG.png) then the voids will fill but leaving areas of unconnected copper is not recommended as it can cause problems with crosstalk and EMC.
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