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December 2008

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Subject:
From:
"Whittaker, Dewey (EHCOE)" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Whittaker, Dewey (EHCOE)
Date:
Thu, 4 Dec 2008 12:45:23 -0700
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You mean it is just taken for granite that it's the right thickness?
Dewey

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas O. Pauls
Sent: Thursday, December 04, 2008 12:19 PM
To: [log in to unmask]
Subject: [TN] Conformal Coat and Eddy Currents

Good afternoon all,

A question for this most excellent forum.  Does anyone here use eddy 
current methods to measure applied coating thickness on printed circuit 
assemblies?  If so, can you share your opinions on the methods and the 
equipment?

There are testers on the market that do this and one of our design 
engineers is currently suprised at how we are using "stone age" 
technologies (micrometer) to measure coating thickness. 

Doug Pauls
Rockwell Collins

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