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. 22, 1991
Filed:
Apr. 21, 1989
Applicant:
Inventors:
Assignee:
Mitsubishi Metal Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
505-1 ; 264 60 ; 505725 ;
Abstract
A method for fabricating a low resistivity target for sputtering a bismuth-calcium-strontium-copper oxide superconductor. The method includes the steps of: preparing ingredient powders of a calcium carbonate, a strontium carbonate and a copper oxide; producing a porous bulk body of a complex oxide from the ingredient powders; and impregnating molten bismuth into the porous bulk body of the complex oxide.