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:
Sep. 07, 1993
Filed:
Oct. 16, 1991
Applicant:
Inventors:
Ichiro Matsubara, Ikeda, JP;
Hideo Tanigawa, Kawanishi, JP;
Toru Ogura, Toyonaka, JP;
Hiroshi Yamashita, Kawanishi, JP;
Makoto Kinoshita, Ikeda, JP;
Tomoji Kawai, Minoo, JP;
Assignee:
Agency for Industrial Science and Technology, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01F / ; C30B / ;
U.S. Cl.
CPC ...
505-1 ; 505729 ; 156600 ; 156603 ; 156D / ;
Abstract
A process for producing a fibrous crystal or single crystal of a superconductor comprising bismuth, strontium, calcium, copper, lead and oxygen, having an atomic composition ratio represented by the formula Bi.sub.2-x Pb.sub.x Sr.sub.1.9-2.1 Ca.sub.1.9-2.1 Cu.sub.3 o.sub.y wherein 0<.times.<0.4 and 10.0<y<11.0, and having a Bi.sub.2 Sr.sub.2 Ca.sub.2 Cu.sub.3 O.sub.10 structure (2223 structure).