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:
Apr. 28, 2020

Filed:

Aug. 17, 2017
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Naoki Ohta, Tokyo, JP;

Keisuke Takasugi, Tokyo, JP;

Assignee:

TDK Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 33/09 (2006.01); G01R 33/00 (2006.01); G07D 7/04 (2016.01); H01L 43/08 (2006.01); H01L 43/12 (2006.01);
U.S. Cl.
CPC ...
G01R 33/093 (2013.01); G01R 33/0011 (2013.01); G01R 33/091 (2013.01); G07D 7/04 (2013.01); H01L 43/08 (2013.01); H01L 43/12 (2013.01);
Abstract

A magnetic sensor having a yoke that can achieve large magnetic flux density and that can be accurately formed is provided. The magnetic sensor includes magnetic field detection elementthat detects a magnetic field in first direction X and first yokethat is located near magnetic field detection elementand extends in second direction Z that is orthogonal to first direction X. First yokeincludes first portionthat is located away from magnetic field detection elementat least in first direction X and second portionthat is located farther away from magnetic field detection elementthan first portionwith respect to second direction Z. The second portionhas surfacethat is opposite to interfacewith the first portion, surfacehaving a curved shape that protrudes in a direction away from the first portion


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