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:
Aug. 11, 1992
Filed:
Jul. 25, 1990
Applicant:
Inventors:
Yasuyo Matsumoto, Osaka, JP;
Hajime Hitotsuyanagi, Osaka, JP;
Michihisa Kyoto, Yokohama, JP;
Masashi Onishi, Yokohama, JP;
Yuichi Masuda, Yokohama, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
505-1 ; 264 22 ; 264 56 ; 264 61 ; 505725 ;
Abstract
A molded article of ceramic oxide superconductor having an increased critical current density is produced by a method including sintering a powdery mixture of oxides and/or carbonates of elements which constitute the ceramic oxide superconductor to obtain a molded article, or melting the sintered ceramic oxide superconductor and molding the superconductor melt to obtain a molded article, wherein the powdery mixture and/or the molded article is irradiated.