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Re: [Amps] current threads about silver solder and resoldering

To: amps <amps@contesting.com>
Subject: Re: [Amps] current threads about silver solder and resoldering
From: Ron Youvan <ka4inm@gmail.com>
Reply-to: ka4inm@gmail.com
Date: Mon, 27 Aug 2012 17:23:02 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
   Colin K7FM Lamb wrote:

> " Years ago, I worked as an electronic tech, and learned that some assembly 
> contracts required first soldering a joint, then sucking and wicking all the 
> solder out of the connection, then resoldering it.  I understood informally 
> (i.e., not confirmed) that this was the requirement and standard for NASA 
> contracts, because of the constant vibration in their applications."

> Years ago, back in the dark ages, a friend worked for a company that made 
> circuit boards for rockets.  This was in the days when most rockets were 
> failing (about 1960).  He mentioned that many, if not most, of the early 
> rocket failures were due to poor solder joints.

   I wasn't there, but I think it was because of poor quality control.
-- 
Ron - KA4INM
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