Re: gEDA-user: How's my footprint?

[Steve Meier <smeier@xxxxxxxxxxxxxxxxxxx>]

Bert,

A high end (Diamond Quality) fab and assembly shop uses the "ascii" file
to program their flying probe tester. There is an existing standard
which I have an example off at the office which is based upon the pads
file format. If you are interested I can probably get you an example
early next week.

Steve Meier

L.J.H. Timmerman wrote:
> Hi Steve and all,
>
> So if I understand this correctly, you are asking for someone to write
> an exporter for pcb which outputs a file with XY-values of pads(pins)
> with an ID-reference to be able to check for copper conductivity etc.
> and maybe even frequency related impedance/capacitance (nelma ?).
>
> Something like (a csv file):
> <example>
> #Id  X  Y  top/bottom
> C1-1,100.50,50.20,top
> C1-2,100.50,50.25,top
> </example>
>
> or
>
> <example>
> #refdes  pad  X  Y  top/bottom
> C1,1,100.50,50.20,top
> C1,2,100.50,50.25,top
> </example>
>
> Or does a defacto standard format already exist ?
>
> Together with a netlist of connecting traces this would give enough
> information for testing conductity in an automated fashion.
>
> I think the BOM/XY exporter would be a good candidate to be extended for
> this functionality, as it already calculates all the XY values of
> pins/pads in some fashion.
>
> Hmm, I should probably X-post this one to geda-dev.
>
> Just my EUR 0.02
>
> Kind regards,
>
> bert Timmerman.
>
> On Fri, 2007-06-01 at 21:54 -0700, Steve Meier wrote:
>   
>> [snip]
>> This is an issue that we need to address as board shops that have the
>> ability to do point to point probing are asking for files that define
>> the locations of each pad.
>>
>> Steve M.
>>     
>
>
>
>
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>
>   



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