[Milsurplus] [Fwd: [Boatanchors] solder whiskers grow on "non lead" solder]

[Clare Owens]

Oh...  I see the Yahoo folks really reduce the resolution of the pictures.
If anyone wants full resolution pictures (4000x3000) send me a direct email
and I'll forward them to you.

Clare  N2RJB

On Sat, Jan 8, 2011 at 3:14 PM, Clare Owens <clare.owens at gmail.com> wrote:

> Many years ago I bought a Heathkit geiger counter but it was so poorly
> soldered and besede that had been stored in a very damp place so I scrapped
> it for parts.  I was curious about the contents of the HV power supply can
> so I removed the screws and popped its lid off.  To my amazement the
> interior was fuzzy with super fine whiskers.  I've saved the can all these
> years and today's email led me to take some close up pictures.  I created an
> armyradios Yahoo group picture album titled Tin Whiskers and uploaded the
> best two pictures.  A few of the whiskers are over 1/4 inch but are
> extremely hard to photograph since they are so incredibly thin and light
> reflection is hard to arrange.  Not solder whiskers but interesting to see
> what can "grow" on tin in the right circumstances in our equipment.
>
> Enjoy,
>
> Clare  N2RJB
>
>