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7453672 |
Spin valve magnetoresistive device with conductive-magnetic material bridges in a dielectric or semiconducting layer alternatively of magnetic material
A magnetoresistive device with a spin valve formed from a stack of layers including at least two magnetic layers for which the relative orientation of their magnetization directions can vary under...
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7443638 |
Magnetoresistive structures and fabrication methods
Disclosed herein is a magnetoresistive structure, for example useful as a spin-valve or GMR stack in a magnetic sensor, and a fabrication method thereof. The magnetoresistive structure uses twisted...
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7443636 |
Magnetic head having layered film with tilted crystalline grain structure
Embodiments of the invention implement a construction capable of reconciling high read output with high stability by improving the structures of magnetic films. In one embodiment, an inclined...
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7443635 |
Magnetic detector including antiferromagnetic layer, amorphous barrier layer, base layer, and hard layer arranged in that order and method for manufacturing magnetic detector
A multilayer film is placed on a subatrate. The multilayer film includes an antiferromagnetic layer, a pinned magnetic layer, a non-magnetic material layer, and a free magnetic layer. The...
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7443004 |
Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus
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 (...
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7436636 |
Dual CPP GMR sensor with in-stack bias structure
A dual current perpendicular to plane (CPP) sensor having an in stack bias structure disposed between first and second free layers. The hard bias structure includes a plurality of magnetic layers...
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7433160 |
Magnetoresistive element and method of manufacturing the same
A magnetoresistive element is disclosed that includes a magnetoresistive film; a cap film configured to cover the magnetoresistive film and include a three-layer structure in at least a part...
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7428127 |
CPP magnetoresistive effect element and magnetic storage device having a CPP magnetoresistive effect element
A CPP magnetoresistive effect element includes a free magnetization layer, a fixed magnetization layer, and a plurality of conductive non-magnetic intermediate layers formed between the free...
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7423848 |
Process and structure to fabricate CPP spin valve heads for ultra-high recording density
A CPP-GMR spin value sensor structure with an improved MR ratio and increased resistance is disclosed. All layers except certain pinned layers, copper spacers, and a Ta capping layer are oxygen...
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7423847 |
Current-perpendicular-to-the-plane spin-valve (CPP-SV) sensor with current-confining apertures concentrated near the sensing edge
A current-perpendicular-to-the-plane spin-valve (CPP-SV) magnetoresistive sensor has an insulating layer with at least one aperture that confines the flow of sense current through the active...
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7420787 |
Magnetoresistive sensor having a shape enhanced pinned layer
A magnetoresistive sensor having a pinned layer that extends beyond the stripe height defined by the free layer of the sensor. The extended pinned layer has a strong shape induced anisotropy that...
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7420786 |
Arrangement of a magneto-resistance effect element having a surface contacting a side face of an electrode and magnetic memory using this arrangement
An area of an element can be made small and fluctuation in area can be reduced. A magneto-resistance effect element is provided with a first electrode with an end face; a magneto-resistance effect...
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7417832 |
Magnetoresistive structure having a novel specular and filter layer combination
A method and system for providing a magnetoresistive structure is disclosed. The magnetoresistive structure includes a pinned layer, a nonmagnetic spacer layer, a free layer, a filter layer, a...
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7411765 |
CPP-GMR sensor with non-orthogonal free and reference layer magnetization orientation
A CPP GMR sensor structure having free and reference layers, where the magnetic orientations of the free and reference layers are non-orthogonal. In one embodiment, a ferromagnetic free layer film...
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7403359 |
Method for protecting against corrosion in a GMR sensor by providing a protective coating over an end of a copper layer spaced apart from a detection surface by a specified dimension
A method is provided for inhibiting corrosion in a layer of Cu or other material in a GMR sensor, wherein the GMR sensor may be used in a magnetic data storage system such as a tape drive system to...
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7394624 |
Read sensor with a uniform longitudinal bias stack
A read sensor with a uniform longitudinal bias (LB) stack is proposed. The read sensor is a giant magnetoresistance (GMR) sensor used in a current-in-plane (CIP) or a current-perpendicular-to-plane...
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