Mail Archives: geda-help/2017/05/29/09:50:09
Karl Hammar,
please have a understanding for my situation,
I am aktiv in 20 Mailinglists, and dont need 20 new one.
Im to old for this chaos.
Can you make a exception for me?
please....
Am Mon, 29 May 2017 15:01:14 +0200 (CEST)
schrieb karl AT aspodata DOT se:
> smilie AT posteo DOT de:
> > In Example:
> > I finde a rule fore footprint construction.
> > http://www.kemet.com/Lists/TechnicalArticles/Attachments/29/f2100e.pdf
> > This Documentation is according to the IPC-SM-782.
> > And KEMET make this IPC-rule easy to understand, i think.
> >
> > We can now take this Information and make gEDA more perfect.
> > We can add some SMD-Footprints to the standard library in
> > accordance to the IPC.
> > I think, this is a important feature to make pcb more seriously.
> >
> > I have an Idea, but this is not easy.
> > We can innovate a new attribute in xgschem
> > "IPC-SMT-782A-Kemet_l=length_mm/mil",
> > "IPC-SMT-782A-Kemet_w=with_mm/mil",
> > "IPC-SMT-782A-Kemet_h=height_mm/mil",
> > "Make-Footprint=1".
> >
> > More Easy is the use of a script "IPC-SMT-782A l w h mm/mil" to
> > generate fp-files.
> >
> > And more Easy is the including of some standard footprints
> > "IPC0603", "IPC0805","IPC2220"....
> >
> >
> > What you think about.
> [ copy of previous messages in the thread ]
>
> 1, please start a new thread for a new subject
>
> 2, this is geda-help, what do you want help with ?
> This subject is better in geda-user mailing list.
>
> 3, there are a few footprint generators available, see
> http://wiki.geda-project.org/pcb:footprint_generators
>
> 4, there are other documents about footprints, have a look at:
> http://www.mentor.com/resources/appnotes/upload/level-a-land-pattern-construction.pdf
> http://www.mentor.com/resources/appnotes/upload/through-hole-padstacks.pdf
> http://communities.mentor.com/mgcx/servlet/JiveServlet/download/28883-8838/PCB%20Design%20Optimization%20Starts%20in%20the%20CAD%20Library.pdf
>
> Regards,
> /Karl Hammar
>
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