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Re: gEDA-user: Surface mount footprint pin pitch changes at different magnifications in PCB

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Subject: Re: gEDA-user: Surface mount footprint pin pitch changes at different magnifications in PCB
From: DJ Delorie <dj@xxxxxxxxxxx>
Date: Thu, 4 Jun 2009 18:37:10 -0400
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In-reply-to: <212844df0906041519o59914c67n52d5b581d09f39db@xxxxxxxxxxxxxx> (message from Rob Butts on Thu, 4 Jun 2009 18:19:58 -0400)
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> I verified the footprint with the mark function.  The ic spec
> coincides with what I'm seeing in PCB.  Yes, I did etch this myself.

You'll have to print a calibration page and calibrate your printer,
then, or etch a known-size pattern and calibrate the whole process.
In my case, I need to tweak the size a little or long connectors don't
fit.


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References:
- gEDA-user: Surface mount footprint pin pitch changes at different magnifications in PCB
  - From: Rob Butts
- Re: gEDA-user: Surface mount footprint pin pitch changes at different magnifications in PCB
  - From: DJ Delorie
- Re: gEDA-user: Surface mount footprint pin pitch changes at different magnifications in PCB
  - From: Rob Butts
- Re: gEDA-user: Surface mount footprint pin pitch changes at different magnifications in PCB
  - From: DJ Delorie
- Re: gEDA-user: Surface mount footprint pin pitch changes at different magnifications in PCB
  - From: Rob Butts

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