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:
Oct. 26, 1999
Filed:
Oct. 15, 1997
Applicant:
Inventors:
Yasuji Yamada, Nagoya, JP;
Tamaki Masegi, Kawasaki, JP;
Junichi Kawashima, Nagoya, JP;
Yusuke Niiori, Inuyama, JP;
Izumi Hirabayashi, Nagoya, JP;
Assignees:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
International Superconductivity Technology Center, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01B / ; H01L / ;
U.S. Cl.
CPC ...
505230 ; 505238 ; 505239 ; 505704 ; 505434 ; 505452 ; 428930 ;
Abstract
An oxide superconductor comprises a base material consisting of a single crystalline oxide, an oxide superconductor film consisting of a Y123 compound and formed on the single crystalline oxide base material, and a coating film consisting essentially of a Ba--Cu--O oxide and covering the surface of the oxide superconductor film, the coating film having a thermal expansion coefficient higher than that of the oxide superconductor film.