Superconductors having controlled laminar pinning centers, and m

Details Superconductors having controlled laminar pinning centers, and m Superconductors having controlled laminar pinning centers, and m

1987-05-04

1989-02-07

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Conductor structure

29599, 1741251, 505887, H01B 1200

Patent

active

048033103

ABSTRACT:
A multifilament superconductor having continuous, non-random pinning centers and including a plurality of parallel superconductive subfilaments of uniform cross-sectional area, the subfilaments being embedded in generally hexagonal pinning jackets, and the pinning jackets together forming a structure having a honeycomb-like cross-section, the jackets having a wall thickness that is substantially an integral multiple of the coherence length of the subfilaments in a predetermined field, the jackets together forming a plurality of continuous paths for fluxoids across the superconductor, whereby total pinning density of said superconductor is substantially increased, and the critical field strength of the superconductor is enhanced.

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