MIKE ROSS wrote in a message to Roy J. Tellason:

 MR> "Roy J. Tellason" wrote to "Wayne Chirnside"
(16 Jun 03  04:06:36) 
 MR> --- on the topic of "MoBo trace repair."

 JP>         About two years ago, I used car back window defogger paint to
 JP>         repair a trace on a Thinkpad. Still working, last I heard.

 WC> Rather clever. I've seen that stuff but it never occured to me :-(

 RJT> I've never seen that stuff,  but need to find some anyway,  as there's
 RJT> one of those "lines" in my car that's quit working this
past winter.
 RJT> I believe there was a similar product out that was *made* for pcb
 RJT> repairs,  but I haven't heard about it in years,  never saw it
 RJT> anywhere,  and bet it's more expensive.

 MR> I've seen a fine tipped pen which lays down a conductive track on
 MR> pcb's. In the past I found that some specialty model making paints
 MR> especially of high metalic content colours such as gold, chrome,
 MR> etc, tend to be quite conductive when dry. Even gold leaf type
 MR> paints such as Sheffield etc, are also pretty conductive. I didn't
 MR> take measurements other than to note that the ohmmeter was zeroed
 MR> so resistivity must be pretty low. Just an idea...

Not a bad thought,  and I'll keep it in mind if I can't find that other
stuff at an auto parts store...

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