Crowell & Morning LLP
Magnetic-field-applying bias film and magnetic detecting element and magnetic detection device therewith
A magnetic-field-applying bias film exhibiting resistance to a high magnetic field has an exchange-coupled film including a permanent magnet layer and an antiferromagnetic layer stacked on the permanent magnet layer. The antiferromagnetic layer includes an X(Cr—Mn) layer containing Cr, Mn, and one or two or more elements selected from the group consisting of platinum-group elements and Ni. The X(Cr—Mn) layer has a first region relatively near to the permanent magnet layer and a second region relatively distant from the permanent magnet layer. Mn content in the first region is higher than Mn content in the second region.
ALPS ALPINE CO., LTD.
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G01R H01F G01R H01L G01R H01L
inventional inventional inventional inventional additional inventional
Masamichi
Saito