Devices using high T.sub.c superconductors

Details Devices using high T.sub.c superconductors Devices using high T.sub.c superconductors

1987-04-13

1991-06-25

Morgenstern, Norman

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505701, 505702, 324248, 357 5, 427 63, G01R 3302, H01L 3922

Patent

active

050266829

ABSTRACT:
A superconducting device operable at temperatures in excess of 30.degree. K. and a method for making the device are described. A representative device is an essentially coplanar SQUID device formed in a single layer of high T.sub.c superconducting material, the SQUID device being operable at temperatures in excess of 60.degree. K. High energy beams, for example ion beams, are used to convert selected portions of the high T.sub.c superconductor to nonsuperconductor properties so that the material now has both superconductive regions and nonsuperconductive regions. In this manner a superconducting loop having superconducting weak links can be formed to comprise the SQUID device.

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Harris et al., IBM Technical Disclosure Bulletin, vol. 17, No. 1, Jun., 1974, pp. 257 and 604.
Clarke, IEEE Trans. on Electron Devices, vol. ED-27, No. 10, Oct. 1980, pp. 1896-1908.
Voss et al., J. Appl. Phys. 51(4), Apr. 1980, pp. 2306-2309.

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