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Mail Archives: geda-user/2014/05/22/18:30:56

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Date: Thu, 22 May 2014 23:28:54 +0100
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Subject: [geda-user] Re: Bug in PCB or in my design? Gerbers and layout do not agree
From: Thomas Oldbury <toldbury AT gmail DOT com>
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Anyone know what might cause this. Anything I might be missing. Thanks


On 19 May 2014 00:41, Thomas Oldbury <toldbury AT gmail DOT com> wrote:

> See attached PCB file and gerbers. There is a direct shorting polygon
> across a via and a pin of a power TSSOP U18 (near top center of board).
> This isn't present on PCB layout nor does any net shorting or DRC error
> show.
>
> The short also appears in the photorender of the board.
>
> Bug in PCB or something I'm doing wrong ?
>
> This created some problems for a recent project I was doing since we
> didn't see this short until we got the board made.  Luckily we were able to
> work around it.
>
> PCB version info:
>
> "This is PCB, an interactive
> printed circuit board editor
> version 20110918
>
> Compiled on Jan  3 2012 at 06:03:59"
>

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<div dir=3D"ltr">Anyone know what might cause this. Anything I might be mis=
sing. Thanks</div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_qu=
ote">On 19 May 2014 00:41, Thomas Oldbury <span dir=3D"ltr">&lt;<a href=3D"=
mailto:toldbury AT gmail DOT com" target=3D"_blank">toldbury AT gmail DOT com</a>&gt;</sp=
an> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">See attached PCB file and g=
erbers. There is a direct shorting polygon across a via and a pin of a powe=
r TSSOP U18 (near top center of board). This isn&#39;t present on PCB layou=
t nor does any net shorting or DRC error show.=C2=A0<div>

<br><div>The short also appears in the photorender of the board.</div></div=
><div><br></div><div>Bug in PCB or something I&#39;m doing wrong ?=C2=A0</d=
iv><div><br></div><div>This created some problems for a recent project I wa=
s doing since we didn&#39;t see this short until we got the board made. =C2=
=A0Luckily we were able to work around it.</div>

<div><br></div><div>PCB version info:</div><div><br></div><div>&quot;This i=
s PCB, an interactive</div><div>printed circuit board editor</div><div>vers=
ion 20110918</div><div><br></div><div>Compiled on Jan =C2=A03 2012 at 06:03=
:59&quot;</div>

</div>
</blockquote></div><br></div>

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