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.

Date of Patent:
Jun. 04, 2024

Filed:

Sep. 15, 2022
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Hiromichi Umehara, Tokyo, JP;

Keita Kawamori, Tokyo, JP;

Kenzo Makino, Tokyo, JP;

Masachika Hashino, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/09 (2006.01); G01R 33/00 (2006.01);
U.S. Cl.
CPC ...
G01R 33/093 (2013.01); G01R 33/0047 (2013.01);
Abstract

A magnetic sensor includes an insulating layer, a first MR element, and a second MR element. The insulating layer includes a protruding surface including first and second inclined surfaces. Each of the first and second MR elements includes a magnetization pinned layer and a free layer. The magnetization pinned layer and the free layer of the first MR element are disposed on the first inclined surface. The magnetization pinned layer and the free layer of the second MR element are disposed on the second inclined surface. The dimension of the protruding surface in a direction parallel to the Z direction is in the range of 1.4 μm to 3.0 μm.


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