Brad Velander wrote:
> The only shortcoming that I know of in Protel with the use of these
> pads shows up in P99SE where some rocket-scientist at Protel decided that a
> single-sided (non-padstack) un-plated or plated hole is not a valid drill
> point and shouldn't be included in the drill drawing symbol generation. This
> had worked in previous versions until P99 or P99SE. I have to experiment
> over the next few days and see if I can adequately accomplish all my needs
> with a multi-layer padstack and still get a drill symbol. I can't understand
> why someone at Protel would decide that a drill is not a drill and so not
> generate a symbol.
> During the interim I have had to temporarily change these pads to
> multi-layer while generating the drill drawing, yuck, I hate doing these
> sort of things. If we forget to change them back we have many other errors
> which may pop up in the next set of edits to the design.
I too use non-plated holes with a pad on a single side, but have always
used the multilayer padstack with no problems (99SEsp5, didn't want to
change horses in mid stream). I just set the internal and top layer
sizes to 0, select non-plated, and set the bottom pad size and hole size
as required.
The only time I would consider using a pad placed on a layer is if that
pad were not to be drilled. (If a pad is placed on the bottom layer with
a drill, then it is no longer a pad on the bottom layer since HOW can a
hole be on the BOTTOM layer?)
Anyway, that's my story and I'm sticking to it!
David W. Gulley
Destiny Designs
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