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September 2002

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Subject:
From:
Bev Christian <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 10 Sep 2002 09:25:34 -0400
Content-Type:
text/plain
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text/plain (87 lines)
Graham,
He should be using a flux that he knows for sure will NOT contribute to
lowering the resistance.  There are lots of cored wires out there that meet
this criteria.
Bev Christian]
Research in Motion

-----Original Message-----
From: Graham Naisbitt [mailto:[log in to unmask]]
Sent: September 10, 2002 8:53 AM
To: [log in to unmask]
Subject: [TN] SIR Testing issue


Hello Techies

I do hope you can help with this one:

I have a board fabricator who is testing to GR-78-CORE Issue 1 September
1997.

In section 14.4.3 - Terminating Test Patterns that are hand soldered using R
or RMA flux.

It states: "do not remove flux."

His questions: Why? Also, how does he do this as this (flux residues) will
influence his test results?

So, anyone care to answer....Doug, put that Mountain Dew down for just a
moment... MoonMan, is this covered in your book....Steve, can't use your new
toy for this soldering job...

Regards, Graham Naisbitt
--
[log in to unmask]

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