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Article #21371

Superconductors and Interconnections

#21371
From: John Berryhill
Date: Wed, 10 May 1989 03:22
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In article <13633@ncoast.ORG> allbery@ncoast.UUCP (Brandon S. Allbery) writes:
>Also, RT superconductors would make possible smaller and faster electronic
>components. Note that in this case, power isn't the question; the power
>losses in non-superconducting media show up as noise which affects nearby
>components when those components get close enough together... as, for
>example, on a densely packed silicon ship.  Since closeness of components
>affects speed (the closer together they are, the faster they run), anything
>which reduces the noise-causing losses makes possible enormously faster
>components.

I fail to see how superconductors would be immune to capacitive coupling
at small geometries.  I further fail to see how the RC constant of a
given interconnection will decrease. The output resistance of the device
*driving* the interconnection will still be finite (and greater than
the wire resistance).

Could someone please enlighten me?

							       John Berryhill
					   143 King William  Newark, DE 19711
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!bbn!rochester!udel!berryh
From: berryh@udel.EDU (John Berryhill)
Newsgroups: sci.electronics
Subject: Superconductors and Interconnections
Message-ID: <15072@louie.udel.EDU>
Date: 10 May 89 03:22:44 GMT
References: <10005@sri-arpa.ARPA> <13633@ncoast.ORG>
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