Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasunori Abe0
Hiroyuki Hoshiya0
Kazuhiro Nakamoto0
Kenichi Meguro0
Date of Patent
November 25, 2008
0Patent Application Number
116766080
Date Filed
February 20, 2007
0Patent Primary Examiner
Patent abstract
To provide a magnetic encoder having high resolution and a high output, and a magnetoresistive sensor for an encoder. A fine sensor having a reduced demagnetization field is produced by: forming a free layer consists of a laminated soft magnetic film in which two soft magnetic layers are coupled in anti-parallel, and setting the width of a sensor unit to 2 μm to 4 μm.
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