In reply to Jed Rothwell's message of Wed, 6 Apr 2011 10:23:32 -0400: Hi, [snip] >Where are the electric fields that would cause electromigration? There are >no fields in copper pipes as far as I know.
...different metals form junctions. Two junctions at different temperatures will form a thermocouple, and thermocouple currents can be very large in ordinary metals (hundreds to thousands of amps). Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html
