Magnetic shield

Details Magnetic shield Magnetic shield

1991-01-14

1991-10-29

Picard, Leo P.

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505872, 307 91, 174 35R, H04B 328, H05K 900, H01L 3900

Patent

active

050616854

ABSTRACT:
A magnetic shield which comprises: a plurality of metallic cylinders connected to each other in the axial direction thereof, each of the plurality of cylinders having at one end thereof an engaging section for receiving an end of an adjacent metallic cylinder to be connected thereto; and a film of a composite oxide superconducting material containing a Cu.sub.x O.sub.y -radical, formed on the entire inner surface of each of the plurality of cylinders, including the inner surface of the engaging section thereof. The above-mentioned magnetic shield can easily be scaled up and has a high magnetic shielding effect.

REFERENCES:
patent: 3603716 (1971-09-01), Koren
patent: 3895432 (1975-07-01), Diepers et al.
patent: 4828931 (1989-05-01), Ogawa et al.
Shigematsu et al, "Magnetic Shield of High--Tc Oxide Superconductors at 77K", Japanese Journal of Applied Physics, vol. 28, No. 5, May 1989, pp. L813-L815.

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