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:
Jun. 01, 1993
Filed:
Jun. 25, 1990
Applicant:
Inventors:
Roy J Rayne, New Carrollton, MD (US);
Louis E Toth, Washington, DC (US);
L David Jones, Woodbridge, VA (US);
Robert J Soulen, Jr, Rockville, MD (US);
Barry A Bender, Alexandria, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ; C04B / ;
U.S. Cl.
CPC ...
505-1 ; 505782 ; 505739 ; 501123 ; 501126 ; 264 66 ; 264 67 ; 264235 ;
Abstract
A machinable high Tc ceramic superconductor is formed by weighing and mixing appropriate stoichiometric amounts of Bi.sub.2 O.sub.3, SrCO.sub.3, CaCO.sub.3, and CuO (BSCCO), removing carbonates from the mixture, melting the mixture, casting the melted mixture into a mold, and inducing superconductivity and growth of randomly oriented platelets in the cast.