Was it a stainless steel brush being used to improve the Huntron's
electrical probe contact? 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Leland Woodall
Sent: Thursday, June 05, 2008 9:15 AM
To: [log in to unmask]
Subject: [TN] Stainless Steel Contamination Question - Source Nailed!

Everyone,

After checking every filter, every transfer belt, every reflow oven, and
most every square inch of the building, I was able to identify the
source of the 10 micron stainless steel that has been giving us such a
headache.  Just in case anyone ever has the same problem, I thought I'd
share the solution with our group.

To refresh your memory, we were finding this stuff on top of components,
and later inside our Huntron X-Y table inspection machines.  We did
everything but take a hatchet to the Huntrons, and there was nothing
found (of course).

While one of the Huntron machine's operator was gone to lunch, I decided
to check an item she had left behind on her workstation.  I took it to
the lab, placed it beneath the microscope, and was astonished to find an
identical match to our contamination woes.

Before I let the cat out of the bag, does anyone want to venture a
guess?

Leland

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