Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joel A. Drewes0
Date of Patent
January 9, 2007
0Patent Application Number
110507970
Date Filed
February 7, 2005
0Patent Primary Examiner
Patent abstract
A MRAM cell structure is disclosed as containing an additional ferromagnetic layer and coupling layer between the third ferromagnetic layer and the anti-ferromagnetic layer. The additional ferromagnetic layer affects the demagnetization field to which the free layer is exposed, thereby reducing any bias introduced to the free layer. Further, by adjusting the thickness of the additional ferromagnetic layer, the effects of Neel coupling on the free layer are reduced.
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