High temperature superconducting Josephson junctions and SQUIDs

US6476413B1 · kind B1 · utility

Assignee

• The Regents of the University of California · US

Inventors

• Quanxi Jia · Los Alamos, US
• Xin Wu · Beijing, CN
• Steven R. Foltyn · Los Alamos, US
• David Reagor · Los Alamos, US

Key dates

• Filing date: Apr 24, 1998
• Grant date: Nov 5, 2002
• Expiry date: Apr 24, 2018

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10N60/124

Abstract

A high temperature superconducting Josephson junction device with ramp-edge geometry in which silver is combined in a composite with YBa2Cu3O7, yttrium-barium-copper-oxide, to form the electrodes, or PrBa2Cu3O7, praseodymium-barium-copper-oxide, to form the weak link.