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:
Nov. 05, 1991
Filed:
May. 04, 1990
Applicant:
Inventors:
Assignee:
U.S. Philips Corp., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148301 ; 148306 ;
Abstract
A description is given of a hard magnetic material whose composition corresponds to the formula RE.sub.2 Fe.sub.17 C.sub.x, RE consisting of at least 70 at. % of Sm. This material has a relatively large uniaxial magnetic anisotropy and a relatively high T.sub.c and is very suitable for use in permanent magnets.