I have found the same to be true Rich. I've visited a few facilities with
them up and running. They were sufficient for *their* use but they were
more or less using it to identify coating in coating-free areas only.  The
coating is so judgemental and each customer seems to judge it differently
depending on what their "focus" is. I do know one customer who purchased
one to inspect boards for an aerospace OEM to reduce arguments on what is
good/bad that they were experiencing before.

Lloyd Duso
Plant Manager
Diamond-MT
(814) 535-3505
www.Diamond-mt.com

On Tue, Mar 20, 2018 at 12:00 PM, Richard Kraszewski <
[log in to unmask]> wrote:

> Several years back we had run-off  for AOI equipment  to inspect for
> coating defects.  Had 2 equipment providers bring equipment on site and
> worked with them for several weeks.
> The results were rather disappointing  in that neither was reliable
> enough  to replace an human inspector.
> Seemed like the defects that the systems could collect  needed to be
> rather gross and obvious.
> Could not  reliably identify those smaller scale defects (bubbles between
> leads, FOD, thick fillets, etc.) that class 3 customers seemed to also care
> about.
>
> Would appreciate  any supporting  or contradicting experiences anyone is
> willing to share.
>
> Thanks
>
> Rich  Kraszewski
> Senior Staff Process Engineer
> Plexus
>
>
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