At 09:06 AM 6/27/01 -0400, Richard Barsczewski wrote:
>We put a pad and hole (corresponding to the slot
>width) at each end of the slot
> and then add the dimensions for the slot on the fabrication drawing.
Some of the slot information can be put on a mech layer as part of the
footprint.
Multiple overlapping drill hits would be murder on drills if they were
small, but slots usually involve large enough drill sizes that the drills
won't break, so the series-of-holes method may be practical, if a bit ugly;
it avoids the need for any special slot processing. The multiple holes can
have pads with the same pad designator.
[However, it is always a good idea to talk to your fabricator before
dumping something unusual on him!!!]
As has been noted, Protel will assign these pads the same net reliably if
the Synchronizer (the Update PCB command in Schematic) is being used. It
also works with older netlist load but there is a bug that one should
understand before trying it in that way (the next load will *remove* the
net assignments of all multiple identical pads, and they will come back
with the next load, etc.)
[EMAIL PROTECTED]
Abdulrahman Lomax
P.O. Box 690
El Verano, CA 95433
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