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. 08, 1991
Filed:
Jun. 09, 1989
Applicant:
Inventors:
Kalathur S Narasimhan, Monroeville, PA (US);
Bao-Min Ma, Pittsburgh, PA (US);
Assignee:
Crucible Materials Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148302 ; 420 83 ; 420121 ;
Abstract
A permanent magnet alloy characterized by increased Curie temperature which is achieved by including nickel and cobalt in combination with at least one rare earth element neodymium and mischmetal in combination with iron and boron. Specifically, the alloy contains, in atomic percent, 10 to 20 mischmetal and/or neodymium, 2 to 30 nickel and/or cobalt, 2 to 14 boron and balance iron.