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:
May. 02, 1995
Filed:
Jan. 24, 1994
Applicant:
Inventors:
Manlio G Abele, New York, NY (US);
Henry Rusinek, Great Neck, NY (US);
Assignee:
New York University, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335306 ;
Abstract
A high field strength permanent magnet has a plurality of layers, with at least two of the layers being formed of materials of different remanence. The remanence of the material of each layer is no greater than that of the layers thereunder, and is preferably less than the remanence of all underlying layers. The inner layer may be formed of a magnetic structure in which all or part of a basic yoke has been replaced by a shunt of active material. Such a shunt may alternatively be employed in a single layer magnetic structure.