Method of producing Josephson-effect junctions

Details Method of producing Josephson-effect junctions Method of producing Josephson-effect junctions

1974-08-20

1981-03-10

Smith, John D.

Coating processes

Electrical product produced

Superconductor

29599, 357 5, 427 63, 427124, 430318, 430319, H01L 3922

Patent

active

042554659

ABSTRACT:
This invention relates to a method of producing a Josephson-effect superconductive junction.
The method is characterised in that a superconductive refractory material is applied as a thin and uniform deposit to an insulating substrate, the deposit is defined to give it the form of a bridge between two studs of greater width than the said bridge, and in that the junction at very low temperature is subjected to at least one current pulse, the intensity and duration of which have a value dependent upon the required critical Josephson current.
A particular application of the invention is the production of a magnetometer.

REFERENCES:
patent: 3204211 (1965-08-01), Crittenden, Jr. et al.
patent: 3251715 (1966-05-01), Miles et al.
patent: 3288637 (1966-11-01), Ames
patent: 3335363 (1967-08-01), Anderson et al.
patent: 3432416 (1969-03-01), Rairden et al.
patent: 3436258 (1969-04-01), Neugerbauer et al.
patent: 3493475 (1970-02-01), Neugebauer et al.

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