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Date:	Wed, 23 May 2012 16:59:32 -0400
Message-ID:	<CALSZ9gqcz22gO=PVAEWMDzDygB6HLb6gtGuOoBQaJT+3S8iHtg@mail.gmail.com>
Subject:	Re: [geda-user] PCB Pad discrepancy
From:	Rob Butts <r DOT butts2 AT gmail DOT com>
To:	geda-user AT delorie DOT com
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I was going by the footprint creation guide and the fact that your PCB
showed the correct dimensions verifies the statement.  Now I just have to
figure out why my PCB isn't getting it right.

Thanks for verifying it.

On Wed, May 23, 2012 at 4:50 PM, DJ Delorie <dj AT delorie DOT com> wrote:

>
> > I want to create a pad 1.25" x 0.24"
> >
> > My pad statement is:
> >
> > Pad[75000 25000 75000 126000 24000 2000 26000 "" "1" "square"]
> >
> > When I do a cntrl-R over the pad it gives me a width = 240 mils and
> length
> > = 641.38 mils
> >
> > I have gone over the math 5 times now.  Does anyone see what I'm doing
> > wrong?
>
> http://www.brorson.com/gEDA/land_patterns_20070805.pdf
>
> width = 240 mil
> legnth = (1260-250) + 240 mil = 1250 mil
>
> My pcb's (git head) report says:
>
> PAD ID# 7;  Flags:"square,edge2"
> FirstPoint(X,Y)  = (2125.00, 1225.00) mil; ID = 0.
> SecondPoint(X,Y) = (2125.00, 2235.00) mil; ID = 0.
> Width = 240.00 mil.  Length = 1250.00 mil.
>  <<<<<<<<<<<<<<<<<<
> Clearance width in polygons = 10.00 mil.
> Solder mask = 260.00 mil x 1270.00 mil (gap = 10.00 mil).
> Name = "".
> It is owned by SMD element 0603N
>  as pin number 1 and is on the component
> side of the board.
>

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I was going by the footprint creation guide and the fact that your PCB show=
ed the correct dimensions verifies the statement.=A0 Now I just have to fig=
ure out why my PCB isn&#39;t getting it right.<br><br>Thanks for verifying =
it.<br>
<br><div class=3D"gmail_quote">On Wed, May 23, 2012 at 4:50 PM, DJ Delorie =
<span dir=3D"ltr">&lt;<a href=3D"mailto:dj AT delorie DOT com" target=3D"_blank">d=
j AT delorie DOT com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padd=
ing-left:1ex">
<div class=3D"im"><br>
&gt; I want to create a pad 1.25&quot; x 0.24&quot;<br>
&gt;<br>
&gt; My pad statement is:<br>
&gt;<br>
&gt; Pad[75000 25000 75000 126000 24000 2000 26000 &quot;&quot; &quot;1&quo=
t; &quot;square&quot;]<br>
&gt;<br>
&gt; When I do a cntrl-R over the pad it gives me a width =3D 240 mils and =
length<br>
&gt; =3D 641.38 mils<br>
&gt;<br>
&gt; I have gone over the math 5 times now. =A0Does anyone see what I&#39;m=
 doing<br>
&gt; wrong?<br>
<br>
</div><a href=3D"http://www.brorson.com/gEDA/land_patterns_20070805.pdf" ta=
rget=3D"_blank">http://www.brorson.com/gEDA/land_patterns_20070805.pdf</a><=
br>
<br>
width =3D 240 mil<br>
legnth =3D (1260-250) + 240 mil =3D 1250 mil<br>
<br>
My pcb&#39;s (git head) report says:<br>
<br>
PAD ID# 7; =A0Flags:&quot;square,edge2&quot;<br>
FirstPoint(X,Y) =A0=3D (2125.00, 1225.00) mil; ID =3D 0.<br>
SecondPoint(X,Y) =3D (2125.00, 2235.00) mil; ID =3D 0.<br>
Width =3D 240.00 mil. =A0Length =3D 1250.00 mil. =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;=
&lt;<br>
Clearance width in polygons =3D 10.00 mil.<br>
Solder mask =3D 260.00 mil x 1270.00 mil (gap =3D 10.00 mil).<br>
Name =3D &quot;&quot;.<br>
It is owned by SMD element 0603N<br>
 =A0as pin number 1 and is on the component<br>
side of the board.<br>
</blockquote></div><br>

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