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August 2008

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Subject:
From:
James Verrette <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, James Verrette <[log in to unmask]>
Date:
Wed, 27 Aug 2008 14:23:25 -0400
Content-Type:
text/plain
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How are SMT test points handled?  Are they covered with paste during
SMT?  What if we only have one side SMT reflow? 

Jim

-----Original Message-----
From: Stadem, Richard D. [mailto:[log in to unmask]] 
Sent: Wednesday, August 27, 2008 1:58 PM
To: TechNet E-Mail Forum; James Verrette
Subject: RE: [TN] NTC

LOL. No. As I stated before; once soldered, the circuit board assembly
is pretty much impervious to airborne contaminants other than those that
would attack solder, as about 99% of the IAg-finished area (SMT pads,
lands, and through-holes) is soldered during assembly. So IAg is still a
good choice for things such as digital rectal thermometers, and even
many of the other applications that I stated could possibly be a concern
in my earlier posting. The key is making sure you cover all of the
IAg-plated areas with solder and all of the vias are covered with
soldermask, and know what pads or areas will remain as exposed IAg. I
would even use it to build my newly patented Bullsh!t Detector. It
worked perfectly last night while I was watching the Democratic National
Convention but it overloaded and burnt out during Hillary's speech.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of James Verrette
Sent: Wednesday, August 27, 2008 11:56 AM
To: [log in to unmask]
Subject: Re: [TN] NTC

Richard mentioned something about ImAg being used in medical devices.
For medical devices worn on the body that use ImAg finish would the FDA
require warning the user to avoid deviled eggs?  Let me go ask our
regulatory manager that one...

Jim

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