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Superconducting-device-including-a-thin-chromium-film-with-negative-susceptibility

Digital pulse generator using leading and trailing edge placement

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Superconducting device including a thin chromium film with negative susceptibility

Details

Inventors: Schroder, Klaus; Hejase, Hussin;
Assignee: Syracuse University (Syracuse, NY)
Primary Examiner: James; Andrew J.
Assistant Examiner: Crane; Sara W.
Attorney, Agent or Firm: Wall and Roehrig

A room temperature superconductor having a metal thin film with negative susceptibility coated upon a substrate. The thin film is covered by a protective coating which prevents it from oxidizing. In one embodiment of the invention multiple layers of chromium with negative susceptibility value separated by a protective coating are mounted upon the substrate to provide a sandwich like structure having increased current carrying capacity.

DETAILED DESCRIPTION It is therefore an object of the present invention to improve superconductors.
A further object of the present invention is to provide a superconducting device that is capable of operating at or near room temperatures.
Another object of the present invention is to provide a superconducting device that is manufactured from chromium or chromium alloys.
Yet another object of the present invention is to provide special geometries that will convert a non superconducting material into a superconductor.
These and other objects of the present invention are attained by a superconducting device capable of operating at or near room temperatures which includes a substrate, a thin metallic film having a negative susceptibility mounted upon the substrate and a protective coating covering the thin film for preventing it from oxidizing or otherwise becoming contaminated.
In one form of the invention multiple layers of chromium or a chromium alloy thin film having a negative susceptibility and a protective coating are placed one over the other upon a substrate to form a sandwich like structure having an increased current carrying capability.

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