Superconducting solenoid coil

Details Superconducting solenoid coil Superconducting solenoid coil

1993-01-28

1993-09-21

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

H01F 700

Patent

active

052472710

ABSTRACT:
A superconducting apparatus including a superconducting solenoid coil made of a superconducting wire wound around a bobbin. The superconducting wire has a superconductor having a rectangular cross-section of a narrow width, and the superconductor of the superconducting wire has a larger sectional area at the end region of the superconducting solenoid coil than at the central region. The superconductor at the end region of the superconducting solenoid coil may comprise a plurality of superconducting wires with superconductors having a large sectional area, or may comprise a plurality of superconductors connected in parallel to each other, thereby increasing the effective sectional area of the superconductor in the end region.

REFERENCES:
patent: 3360692 (1967-12-01), Kafka
patent: 3432783 (1969-03-01), Britton et al.
patent: 3440585 (1969-04-01), Freeman
patent: 3559130 (1971-01-01), Schrader
patent: 3913044 (1975-10-01), Albrecht et al.
W. Buckel, "Supraleitung--Grundlagen und Anwendungen" [Superconduction--Fundamentals and Applications], 2nd ed. 1977, Physik-Verlag Weinheim, Capter 7.2, Critical Currents in Hard Superconductors, pp. 172-180.
"Proceedings of the COMPUMAG Conference on the Computation of Magnetic Fields", No. 28, Chilton, Didcot, Oxon, UK, 1976, pp. 138-143.
Willig et al, "Thin-Walled Solenoid End Effects", IEEE Transactions on Magnetics, vol. MAG-13, No. 5, Sep. 1977, pp. 1122-1124.
Hirabayashi et al, "Measurement of Propagation Velocities . . . ", Japanese Journal of Applied Physics, vol. 20, No. 11, Nov. 1981, pp. 2243-2249.
"Large Superconducting Detector Magnets With Ultra Thin Coils For Use In High Energy Accelerators and Storage Tings", M. A. Green, University of California.

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