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:
Mar. 25, 1986
Filed:
Jun. 13, 1983
Applicant:
Inventors:
William E Ross, Woodland Hills, CA (US);
Bruce E MacNeal, Fullerton, CA (US);
Assignee:
Litton Systems, Inc., Beverly Hills, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
428693 ; 428900 ;
Abstract
A low-anisotropy magnetic material is exchange coupled in juxtaposition with a compatible body of high-anisotropy magnetic material so that a reduced external magnetic field is required for the nucleation and passage of a domain wall from the low-anisotropy material, through the interface between the low- and high-anisotropy materials, and into the high-anisotropy material. The propagation of the domain wall continues to affect a reversal in the direction of magnetization in the high-anisotropy material.