Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fumihiro Suzuki0
Katsuya Kogiso0
Toru Minagawa0
Yoichi Ishizaki0
Date of Patent
August 31, 2010
0Patent Application Number
114975590
Date Filed
August 1, 2006
0Patent Primary Examiner
Patent abstract
A magnetic sensor that is inexpensive and suppresses changes in offset voltage caused by wear. The magnetic sensor includes magnetoresistance elements having electrical resistances that change in accordance with magnetism changes. The magnetic sensor detects magnetism based on changes in the electrical resistances. The magnetoresistance elements are covered by a protective film. Part of the protective film is etched and eliminated to form a recess.
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