Hi Jack and all,

        We like to add nonfunctional pads to a design for two reasons:
        1).  To prevent burning of isolated runs/pads when we pattern plate
        2).  On multilayer boards, we do it on inner layers to strengthen
the plated through holes

        Hans

Air Force Material Command - We keep them flying!
~~~~~~~~
Hans M. Hinners                                 WR-ALC/LYPME Bldg. 640
Materials Engineer                                      380 Second Street,
Suite 104
Manufacturing Eng. Sec.                         Robins AFB GA 31098-1638
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> It seems that most fabrication vendors prefer to remove the unconnected
> pads
> from inner-layers, in fact we do it for them before we send out the
> gerbers.
>
> But I thought I overheard Gary Ferrari say there was some test results
> that
> showed the board to be more reliable with all pads included, but I don't
> know where to find it or who did the testing.
>
> Does anyone know if it is significant enough to re-evaluate our process?
>
> Jack

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