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:
Aug. 23, 2022
Filed:
Nov. 13, 2019
Ablic Inc., Chiba, JP;
Hirotaka Uemura, Chiba, JP;
ABLIC INC., Chiba, JP;
Abstract
A magnetic sensor includes a magneto-sensitive portion (); an excitation wiring () formed in a wiring region above the magneto-sensitive portion () through intermediation of an insulating film (), the excitation wiring () including a plurality of conductor portions (, and) arranged in in order across at least one radial direction from a center axis of the magneto-sensitive portion (); a current flowing through the excitation wiring () having a current density of which an absolute value becomes zero in a vicinity of a center of the magneto-sensitive portion () and continuously increases toward an outer side of the magneto-sensitive portion (); and a magnetic field generated by the current flowing through the excitation wiring () in a direction vertical to the surface of the magneto-sensitive portion ().