US Patent No. 10,557,896

MAGNETIC SENSOR


Patent No. 10,557,896
Issue Date February 11, 2020
Title Magnetic Sensor
Inventorship Keisuke Uchida, Tokyo (JP)
Hiraku Hirabayashi, Tokyo (JP)
Assignee TDK Corporation, Tokyo (JP)

Claim of US Patent No. 10,557,896

1. A magnetic sensor, comprising:a magnetoresistive effect element (MR element), which can detect an external magnetic field, and
a soft magnetic body shield, wherein
the soft magnetic body shield is positioned above and/or below the MR element in a side view,
the size of the MR element is physically included within a perimeter of the soft magnetic body shield in a plan view, and
a diameter ?s of the soft magnetic body shield and a diameter ?m of the MR element fulfill a relationship in a following formula (1):
?s?1.3?m  (1).