[Elecraft] Source of poor solder joints?

[John D'Ausilio]

Nahhh .. assuming you're using adequate heat, the solder hasn't set up
yet. The time elapsed between the tip pulling away and whatever
mechanical stress relief might happen would be very short, a few
milliseconds ...

$.02 de w1rt/john

On 11/22/06, Darwin, Keith <Keith.Darwin at goodrich.com> wrote:
> Looks like poor soldering joints is the #1 problem with rigs we build.
> While building my KSB2 I was wondering about and came up with an idea.
>
> I wonder if many poor solder joints occur because of the lead moving as
> the soldering tip is removed.  In the case of an IC, while I'm applying
> heat, I'm pushing against the chip's lead.  When I remove the soldering
> iron, the lead is going to spring back just a bit (i.e. move) as the
> solder connection is cooling.  Could this be a major contributor to poor
> solder joints?
>
> - Keith N1AS -
> - K2 5411.ssb -
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