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:
Jun. 01, 2021
Filed:
Jul. 28, 2017
Three-axis magnetic sensor having perpendicular magnetic anisotropy and in-plane magnetic anisotropy
Applicant:
Industry-university Cooperation Foundation Hanyang University, Seoul, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/09 (2006.01); G01R 33/02 (2006.01); G01R 33/00 (2006.01);
U.S. Cl.
CPC ...
G01R 33/098 (2013.01); G01R 33/00 (2013.01); G01R 33/02 (2013.01); G01R 33/09 (2013.01); G01R 33/096 (2013.01);
Abstract
A three-axis magnetic sensor which is not physically separated from each other and made of one element is provided. A spin-orbit torque is generated through an interface junction between a magnetization seed layer and a magnetization free layer, and through this, a change in an in-plane magnetic field may be sensed in the form of current or voltage in the magnetization seed layer. Further, a tunneling insulating layer and a magnetization pinned layer are formed on the magnetization free layer. The formed structure induces a tunnel magneto-resistance phenomenon. Through this, a change in a magnetic field in a vertical direction is sensed.