Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hardayal Singh Gill0
Date of Patent
April 1, 2008
0Patent Application Number
108373580
Date Filed
April 30, 2004
0Patent Primary Examiner
Patent abstract
A current perpendicular to plane (CPP) giant magnetoresistive (GMR) sensor having an antiparallel coupled free layer including a first magnetic layer of Fe and a second magnetic layer of FeXN, where X can be Al or Ta. The first and second magnetic layers of the free layer are separated from one another by a Cr coupling layer. The sensor may also include an antiparallel coupling layer including Fe magnetic layers separated by a Cr coupling layer. The pinned and free layers may be separated by a Cr spacer layer.
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