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Internally Shunted Superconducting Josephson Junction

技术优势: Replaces Josephson tunnel junction and shunting resistorCan be used to replace a resistively shunted tunnel junction in niobium circuits

技术应用: Single-flux quantum digital integrated circuitsSuperconducting quantum interference devices (SQUIDS)Other applications in which the current-voltage characteristic must be nonhystereticApplications for which the product of the critical current and the normal state resistance should be a large value

*Abstract: Researchers at the University of California, Berkeley have developed an improved Josephson Junction device that can be used as a drop-in replacement for externally shunted tunnel junctions in superconducting integrated circuits.

*Principal Investigation: Name: Anupama Bhat Kaul
Department:

Name: Xiaofan Meng
Department:

Name: Nathan Newman
Department:

Name: Theodore Van Duzer
Department:

Name: Lei Yu
Department:

附加资料: Patent Number: US6734454B2
Application Number: US2002229354A
Inventor: Van Duzer, Theodore | Meng, Xiaoxan | Newman, Nathan | Yu, Lei | Kaul, Anupama Bhat
Priority Date: 27 Aug 2001
Priority Number: US6734454B2
Application Date: 26 Aug 2002
Publication Date: 11 May 2004
IPC Current: H01L003922
US Class: 257031 | 257034 | 257035 | 257E39014 | 365162 | 505162 | 505190 | 505329
Assignee Applicant: The Regents of the University of California | The Arizona Board of Regents,Tempe
Title: Internally shunted Josephson junction device
Usefulness: Internally shunted Josephson junction device
Summary: For superconducting quantum interference devices (SQUIDS) and single flux quantum logic circuits.
Novelty: Josephson junction for superconducting quantum interference device, has tantalum nitride layer with inherent resistance and niobium titanium nitride layers between two niobium layers

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