Josephson device and a process for fabricating the same

Details Josephson device and a process for fabricating the same Josephson device and a process for fabricating the same

H - Electricity

01

L

H01L 39/22 (2006.01) H01L 39/02 (2006.01) H01L 39/24 (2006.01)

Patent

CA 2056634

In a Josephson device which can be employed as a sensor including superconductor for measuring an extremely weak magnetic field, a Josephson junction consisting of superconducting material is formed, and a covering layer consisting of ordinary conducting metal or semiconductor is formed on the Josephson junction. This enables the Josephson junction to be isolated from the oxidized atmosphere. Further, the covering layer is not to present any deterioration such as cracks even upon being subjected to a thermal hysteresis from very low temperature to ordinary temperature.

Dans un dispositif de Josephson utilisable comme capteur pour mesurer les champs magnétiques extrêmement faibles, la jonction supraconductrice est couverte d'un métal ou d'un semi-conducteur ordinaire qui l'isole de l'atmosphère oxydante. La couche de recouvrement ne doit comporter aucune dégradation telle que des fêlures, même quand elle est soumise à une hystérésis thermique allant d'une température très basse à la température ambiante.

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