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:
Apr. 20, 2021
Filed:
Apr. 04, 2018
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/16 (2006.01); H01F 7/02 (2006.01); H01F 1/057 (2006.01); G01D 5/14 (2006.01); H02K 11/215 (2016.01); B62D 15/02 (2006.01);
U.S. Cl.
CPC ...
G01D 5/16 (2013.01); H01F 1/057 (2013.01); H01F 7/02 (2013.01); H01F 7/0257 (2013.01); B62D 15/0215 (2013.01); G01D 5/145 (2013.01); H01F 1/0578 (2013.01); H02K 11/215 (2016.01);
Abstract
A magnet has a circular cylinder or circular tube shape and contains magnetic crystal grains, wherein an orientation of magnetization of the magnet is in a direction perpendicular to an axis of the circular cylinder or the circular tube, and directions of axes of easy magnetization of the magnetic crystal grains are isotropic.