The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 1991
Filed:
Aug. 09, 1988
Michiya Okada, Mito, JP;
Tadaoki Morimoto, Ibaraki, JP;
Akira Okayama, Hitachi, JP;
Yoshimi Yanai, Hitachi, JP;
Hiroshi Satoh, Hitachi, JP;
Toshimi Matsumoto, Katsuta, JP;
Yoshiteru Chiba, Hitachi, JP;
Kimihiko Akahori, Katsuta, JP;
Takahiko Kato, Hitachi, JP;
Toshiya Doi, Hitachi, JP;
Kazuhide Tanaka, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The present invention provides a shaped superconductor article such as wire, tape or disk, comprising an oxide superconductor phase and a metal phase in a monolayered or multilayered form, the metal phase comprising a copper, iron, nickel or titanium base alloy containing 1 to 10% by weight of aluminum and having an oxygen-impermeable oxide film formed thereon, preventing the diffusion of oxygen from the oxide superconductor phase to the metal phase.