Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus
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United States of America Patent
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Oct 28, 2008
Grant Date -
Apr 6, 2006
app pub date -
Nov 22, 2005
filing date -
Aug 15, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
In a spin valve type element, an interface insertion layer (32, 34) of a material exhibiting large spin-dependent interface scattering is inserted in a location of a magnetically pinned layer (16) or a magnetically free layer (20) closer to a nonmagnetic intermediate layer (18). A nonmagnetic back layer (36) may be additionally inserted as an interface not in contact with the nonmagnetic intermediate layer to increase the output by making use of spin-dependent interface scattering along the interface between the pinned layer and the nonmagnetic back layer or between the free layer and the nonmagnetic back layer.
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