Microbridge superconducting device having support with stepped p

Details Microbridge superconducting device having support with stepped p Microbridge superconducting device having support with stepped p

1981-11-05

1984-06-12

James, Andrew J.

357 4, 357 55, H01L 2712, H01L 3922, H01L 2906

Patent

active

044545223

ABSTRACT:
An SNS microbridge superconductive device includes a substrate having first and second generally parallel surfaces which are separated by a generally perpendicular step. A first layer of superconductive material is formed on the first surface, and a second layer of superconductive material is formed on the second surface. A normal or non-superconductive material is formed over the two layers of superconductive material and the step. In fabricating the device, the step functions as a shadow mask during deposition of the superconductive material. The dimensions of the step can be accurately controlled, and the process utilizes conventional technology which is readily and uniformly reproducible.

REFERENCES:
patent: 4264916 (1981-04-01), Tsang
patent: 4414738 (1983-11-01), Jelks et al.
R. F. Broom, "Making Josephson Tunnel Junctions" IBM Technical Disclosure Bulletin, vol. 17 (1975) p. 2446.

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