At 02:21 PM 1/9/2008, you wrote:
>My guess is the thickness ratios of the metals have to be exact so the
>expansion rates together match that of glass.  Easier said than done!

Perhaps so. Looks like more than 25% of the wire is the Cu cladding.

I think I'd like to minimize the number of variables if I was fiddling
with something like that. ;-)

>Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com



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