Method of making a Josephson junction

Details Method of making a Josephson junction Method of making a Josephson junction

1982-07-21

1984-02-14

Hearn, Brian E.

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

29571, 357 4, 357 5, 427 62, 307306, 307462, H01L 3922

Patent

active

044307900

ABSTRACT:
Disclosed is an improved Josephson junction comprising a superconductor-separator-superconductor laminar deposition on a substrate, the overlying and underlying superconductor layers being laid offset to each other, and a weak link extending from one of the superconductor layers to the other across the thickness of the intervenient separator. A triple layer superconducting device according to this invention has as short barrier length and as low capacitance as possible, and is characteristic of a large product of junction resistance and critical current. Also, the geometrical configuration of the device is most appropriate for the purpose of massproduction.

REFERENCES:
patent: 4055847 (1977-10-01), Fletcher
patent: 4176029 (1979-11-01), Jillie, Jr.
patent: 4177476 (1979-12-01), Kroger et al.
patent: 4220959 (1980-09-01), Kroger et al.
patent: 4224630 (1980-09-01), Kroger
patent: 4263603 (1981-04-01), Jillie, Jr.
patent: 4366494 (1982-12-01), Ohta
Cloasen, Appl. Phys. Lett.; 36 (9), May 1, 1980, pp. 771-773.
Iwanyshyn et al.; Canad., J. Phys. 48 (4) Feb. 15, 1970, pp. 470-476; "A Study of Evaporated Superconducting Weak-Link Junctions".

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