Tunneling Josephson element with a blocking layer inert to oxygen

US5155094A · kind A · utility

Assignee

• THE UNIVERSITY OF TOKYO · JP

Inventors

• Yoichi Okabe · Tokyo, JP
• Atsuki Inoue · Tokyo, JP
• Hideomi Koinuma · Tokyo, JP

Key dates

• Filing date: Mar 29, 1988
• Grant date: Oct 13, 1992
• Expiry date: Mar 29, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S505/78

Abstract

A superconductive device and method for the manufacture thereof is disclosed, having a tunneling Josephson element comprising a first oxide superconductor electrode, a blocking layer consisting of a metal substantially inert to oxygen formed on the surface of the oxide superconductor, an insulating thin film layer formed on the blocking layer, and a second superconductor electrode opposing said first electrode formed on the insulating thin film.