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Broken Ground Plane

e14 Contributor

(EAGLE 5.10) I have a 4-layer board I've been working on for months that

last night, as I was finishing the layout, the ground plane polygon on

layer 2 quit pouring properly & instead seemed to connect every pin & via

on the layer w/the only reliefs appearing around drilled holes (not pads)

exclusively. I do see thermals & isolation rings in the layer but the pour

is solid & covers everything. (confirmed via gerber file) Grid is 0.1",

width is .008", pour is solid, spacing is .05", isolate is 0, rank is 1 &

thermals is checked. I'm using the exact same settings on the power planes

(layer 3) which are still pouring just fine. What next? The brd file at

110K is too big to post here but I'll send it to anyone who wants to see

it. Thanks in advance

--

Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

 

Parents

  • Joern, I get it! Putting a polygon on a supply layer confuses the CAM

    processor & truly mucks up the display if the polygon is smaller than the

    board outline. Which is what I did Thursday night, resize the polygon on

    layer 2. Just for grins I just now deleted the ground polygon & re-ran the

    CAM processor, the ground plane was there in all of its glory albeit the

    size of the full board outline! Subtle, eh? Thanks again for your help, I

    completely missed this one (& have been using EAGLE for years, but this is

    my first multi-layer board with this software). Yea, EAGLE Central Forums!

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

  • in reply to e14 Contributor

    Am 02.03.2013 17:30, schrieb darms:

    Joern, I get it! Putting a polygon on a supply layer confuses the CAM

    processor & truly mucks up the display if the polygon is smaller than the

    board outline. Which is what I did Thursday night, resize the polygon on

    layer 2. Just for grins I just now deleted the ground polygon & re-ran the

    CAM processor, the ground plane was there in all of its glory albeit the

    size of the full board outline! Subtle, eh? Thanks again for your help, I

    completely missed this one (& have been using EAGLE for years, but this is

    my first multi-layer board with this software). Yea, EAGLE Central Forums!

     

     

    Yeah, sometimes *** happens. Glad I could help image

     

    --

    Mit freundlichen Grüßen / With best regards

     

    Joern Paschedag

     

Reply
  • in reply to e14 Contributor

    Am 02.03.2013 17:30, schrieb darms:

    Joern, I get it! Putting a polygon on a supply layer confuses the CAM

    processor & truly mucks up the display if the polygon is smaller than the

    board outline. Which is what I did Thursday night, resize the polygon on

    layer 2. Just for grins I just now deleted the ground polygon & re-ran the

    CAM processor, the ground plane was there in all of its glory albeit the

    size of the full board outline! Subtle, eh? Thanks again for your help, I

    completely missed this one (& have been using EAGLE for years, but this is

    my first multi-layer board with this software). Yea, EAGLE Central Forums!

     

     

    Yeah, sometimes *** happens. Glad I could help image

     

    --

    Mit freundlichen Grüßen / With best regards

     

    Joern Paschedag

     

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