Re: gEDA-user: 0805 geometry, was: Script for converting mm to hundredths of thou

[Stefan Salewski <mail@xxxxxxxxxxxx>]

On Tue, 2010-07-27 at 23:30 +0200, Armin Faltl wrote:

> 
> One thing I'd like to know is the exact meaning of "clearance"

>From http://www.ssalewski.de/PcbFootprintRef.txt

>Clearance defines the separation of the pad to any surrounding copper.
>There is a factor of two involved: separation = clearance/2

> in a pad - does this get added to thicknes or is it measured from
> the center line of the pad, same with mask.
> 
> 
> Below is what I think a comprimise reflow/hand-solder landpattern
> for a smd-0805 should really look like, as opposed to the library;
> the very reason I started my own 0805:
> 

Is sfg.rb not working fine for you?

http://www.ssalewski.de/SFG.html.en

OK, if you do not like Ruby language, you may try footgen.py, or DJ's
online tool:

http://www.gedasymbols.org/user/dj_delorie/tools/2pad.html





_______________________________________________
geda-user mailing list
geda-user@xxxxxxxxxxxxxx
http://www.seul.org/cgi-bin/mailman/listinfo/geda-user