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. 06, 1994
Filed:
Feb. 24, 1993
Applicant:
Inventors:
Ricardo C Pastor, Manhattan Beach, CA (US);
Antonio C Pastor, deceased, late of Manhattan Beach, CA (US);
Luisa E Gorre, deceased, late of Camarillo, CA (US);
Keith C Fuller, Los Angeles, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ; C01G / ; H01L / ;
U.S. Cl.
CPC ...
505490 ; 423593 ; 505725 ; 505742 ; 505491 ; 505500 ; 505501 ;
Abstract
High temperature superconducting oxide materials can be taken to a higher, but stable, state of oxidation by removing H-impurities, such as OH.sup.-, using I.sub.2 /O.sub.2 mixtures in a reactive atmosphere process. A higher T.sub.c and a narrower .DELTA.T-transition result.