You know with all puns set aside it was probably a fruit fly that was in
the wrong place at the wrong time.   When they did the solder mask I would
assume it was screened on?  The little bugger was in the way and became
part of your circuit.  I guess this puts a fly in your ointment when it
comes to debugging this board.



                      Steve Gregory
                      <[log in to unmask]        To:       [log in to unmask]
                      M>                       cc:
                      Sent by: TechNet         Subject:  [TN] Strange Soldermask Defect...
                      <[log in to unmask]>


                      11/16/04 03:41 PM
                      Please respond to
                      TechNet E-Mail
                      Forum; Please
                      respond to
                      SteveZeva






Hi All!

Well, I've run across some strange problems in my time, but this one is a
new one to me.

I was on the production floor just after lunch, close by one of our final
inspectors looking at something under her microscope, when I hear her say;
"What the heck is this?" then I hear this big; "EWWWWWW!" from her...

"Steve! Steve! You gotta' look at this!" she says to me. I pull up a chair
and peer into the microscope, and I have to say, I've never, ever seen this
before.

Take a look at:

http://www.stevezeva.homestead.com/files/StrangeMaskDefect.jpg

and

http://www.stevezeva.homestead.com/files/StrangeMaskDefectCloseUp.jpg

What should I do? Should I send this to a lab or something? I don't know
what to tell my inspectors, much less explain this to our customer...this
really tops my list as one of the strangest defects I have ever seen.

-Steve Gregory-

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