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Protel DXP layout questions for mushroom-like structure

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dxp layout

Hi, everyone. I have some questions about drawing the mushroom-like EBG structure on a 4-layer PCB by using Protel DXP.

My questions are:

1. How can I define the buried via connecting ground plane and intermediate copper layer with square conducting patches on it? Actually it seems that I cannot directly place the via/hole on the PCB in Protel DXP.

2. How do I define different shapes of conducting patch in Protel DXP?

Thanks in advance.
 

hi antenna ABC
I have the same problem that you had in 08 Feb 2007 about dxp layout. I want to have derected ground structures(DGS) in my ground plane.can you help me please how to have defected shapes in ground plane?
best regards
 

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