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Posted by Michael B on April 1, 2009, 2:42 am
 
Anybody have experience with conductive glue?
http://www.allelectronics.com/make-a-store/item/WG-1/CONDUCTIVE-GLUE-0.3-FL=
.OZ./-/1.html




Posted by z on April 1, 2009, 4:44 pm
 


hmm.  I'm tempted to give that a try with the cells I have .. 4 bucks +
shipping I can probably afford that

cool.




Posted by Curbie on April 1, 2009, 3:56 am
 On Tue, 31 Mar 2009 21:07:48 -0400, "Martin Riddle"


60/40 means the solder consists of 60% tin and 40% lead. It remains
solid above 361°F, and turns liquid at about 374°F. Morris's
suggestion about a temperature controled iron is a real good one for
delicate wotk of this kind, for 60/40 set your iron to 376°F. Check
the temperature ratings on other type of solder.

Some cells do use a silver alloy finger, but other alloys are also
used. Check when buying cells, but if un-known a test is in order,
usually a lead-free silver with about 3 to 4% silver content solder
with care and a proper iron temperature will work on all of them.
(know your solder's mekting temperature)

Probably won't save much more than 30%, and very, very time consuming.

Break the seal, isolated and fix the problem then re-seal. Kinda one
of the points doing them yourself. Just buy a couple extra cells to
begin with.

I'm not i big fan of PV given the price performance point they're
currently at, but given an opportunity at a non-functional panel, I
love to take a wack at one.

Have fun.

Curbie


Posted by Ken Maltby on April 1, 2009, 4:16 am
 

  I would second that, "hard" solder/Silver solder provides
mechanical support, as well as making the electrical
connection.   While I haven't built up my own solar panels,
I was taught how to use silver soldering techniques to make
costume jewelry (at the Hollywood Boy's Club, by the guy
who was the master jeweler for the Cleopatra Movie, I was
12 or 13 at the time.)  It has often come in handy where
some intricate build-up work was needed.  Besides it is
always nice to find another use for your Oxy/Acetylene
torch.

  Luck;
      Ken



Posted by Morris Dovey on April 1, 2009, 10:56 am
 Ken Maltby wrote:

Aha! I don't have any plans for building panels, although I've thought
about it from time to time. If I ever do, you'll have prevented me from
making a (wasteful) mistake. Thanks.


What a terrific experience - I wish /I/ could have been there too!


Back in the early 70's I bought a tiny "Micro-Flame" torch that came
with a pair of (of course) micro regulators and micro hose. They managed
to "get lost" during a move, but I had a lot of artsy-fartsy fun with
'em (and discovered that I could use silver solder to repair some of the
stainless steel kitchen stuff that my ex broke).

It might have been better if I'd missed this thread because now I'm off
to Google for a replacement. :)

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/

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