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8184408 |
Magnetoresistive element and method of manufacturing the same
A magnetoresistive element includes a magnetoresistive film including a magnetization pinned layer, a magnetization free layer, an intermediate layer arranged between the magnetization pinned layer...
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8176622 |
Process for manufacturing a magnetic tunnel junction (MTJ) device
A process for manufacturing a high performance MTJ it is described: A first cap layer of NiFeHf is deposited on the free layer, followed by a second cap layer of Ru on Ta. The device is then heated...
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8166633 |
Method for manufacturing an extraordinary magnetoresistive (EMR) device with novel lead structure
A method for manufacturing an extraordinary magnetoresistive sensor (EMR sensor) having reduced size and increased resolution is described. The sensor includes a plurality of electrically...
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8169752 |
Method for manufacturing a magneto-resistance effect element having spacer layer
In a method for manufacturing a magneto-resistance effect element having a pinned magnetic layer of which a magnetization is fixed substantially in one direction, a free magnetization layer of...
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8164862 |
Seed layer for TMR or CPP-GMR sensor
A composite seed layer that reduces the shield to shield distance in a read head while improving Hex (exchange coupling field) and Hex/Hc (Hc=coercivity) is disclosed and has a SM/A/SM/B...
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8151442 |
Method of fabricating a magnetoresistive (MR) element having a continuous flux guide defined by the free layer
Magnetoresistive (MR) elements having flux guides defined by the free layer. The MR element includes a free layer, a spacer/barrier layer, a pinned layer, and a pinning layer. A back edge of the...
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8154825 |
Magnetic recording head and magnetic recording device
It is made possible to provide a magnetic head that can stabilize the high-frequency magnetic field generated from the spin torque oscillator. A magnetic head includes: first and second main...
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8136227 |
Method for making a magnetic head having a non-GMR shunt
A magnetic head having non-GMR shunt for perpendicular recording and method for making magnetic head having non-GMR shunt for perpendicular recording is disclosed. A shunt is provided for shunting...
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8125745 |
Magnetic thin film, and magnetoresistance effect device and magnetic device using the same
A magnetic thin film being ferromagnetic and exhibiting large spin polarization at room temperature is provided that comprises a substrate (2) and a Co2Fe(Si1-xAlx) thin film (3) formed on the...
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8125744 |
Current perpendicular to plane magneto-resistance effect element, magnetic head, and magnetic recording/reproducing device
A current perpendicular to plane magneto-resistance effect element includes: a magneto-resistance effect film comprised of a fixed magnetization layer, a free magnetization layer, and a complex...
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8094445 |
Electronic device with protection for disk drive
An electronic device includes a tray, a disk drive secured in the tray, a first back plane secured on the tray, and a flexible connecting member. The disk drive connects with the first back plane...
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8081402 |
Magnetoresistive head having a current screen layer for confining current therein and method of manufacture thereof
Embodiments of the present invention provide a magnetic head incorporating a CPP-GMR device having a high output at a suitable resistance. According to one embodiment, in a Current Perpendicular to...
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8072711 |
System and method for the fabrication, characterization and use of magnetic corrosion and chemical sensors
A chemical or corrosive environment sensing system, comprising a giant magnetoresistive effect device having at least one environmentally exposed film, and a device, for sensing changes in the GMR...
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8049999 |
Magnetoresistance effect element with a layer containing an oxide as a principal component and containing a magnetic transition metal element which does not bond to oxygen
There are provided a magnetoresistance effect element, a magnetic head, a magnetic head assembly and a magnetic recording system, which have high sensitivity and high reliability. The...
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8040641 |
Magneto-resistance effect element with a stacked body having a constricted shape
A magneto-resistance effect element comprises a stacked body which comprises a pinned layer having a fixed magnetization direction, a free layer having a magnetization direction that varies...
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8037593 |
Method for manufacturing an ultra narrow gap magnetoresistive sensor
A method for manufacturing a magnetoresistive sensor that decreases the stack height of the sensor. The method includes forming a sensor structure having at its top, a Ru layer and a Ta layer over...
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8031444 |
Magnetoresistive device of the CPP type, and magnetic disk system
The semiconductor oxide layer that forms a part of the spacer layer in the inventive giant magnetoresistive device (CPP-GMR device) is composed of zinc oxide of wurtzite structure that is doped...
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8031442 |
Magnetic head having CPP sensor with improved biasing for free magnetic layer
A magnetic head for a hard disk drive having a CPP read head sensor that includes a layered sensor stack including a free magnetic layer and hard bias elements that are disposed on the sides of the...
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8031441 |
CPP device with an enhanced dR/R ratio
A CPP-GMR spin valve having a composite spacer layer comprised of at least one metal (M) layer and at least one semiconductor or semi-metal (S) layer is disclosed. The composite spacer may have a...
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8031443 |
Magneto-resistance effect element, magnetic head, magnetic recording/reproducing device and method for manufacturing a magneto-resistance effect element
A magneto-resistance effect element, including: a first magnetization layer of which a magnetization is substantially fixed in one direction; a second magnetization layer of which a magnetization...
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8023232 |
Film and method for producing nano-particles for magnetoresistive device
A method of generating a thin film for use in a spin valve of a magnetoresistive (MR) sensor having a nano-constricted spacer is provided. The bottom portion of the spin valve is deposited up to...
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8015694 |
Method for making a scissoring-type current-perpendicular-to-the-plane (CPP) magnetoresistive sensor
A “scissoring-type” current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with dual ferromagnetic sensing or free layers separated by a nonmagnetic spacer layer has improved sta...
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8018693 |
Magnetic detector including magnetoresistive element and impact sensor
A magnetic detector includes a magnetoresistive element and an impact sensor. The magnetoresistive element has a plurality of element-constituent layers that are stacked and include a free layer...
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8014109 |
Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with antiparallel-pinned layer containing silicon
A current-perpendicular-to-the-plane (CPP) spin-valve (SV) magnetoresistive sensor uses an antiparallel (AP) pinned structure and has a ferromagnetic alloy comprising Co, Fe and Si in the reference...
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8011084 |
Method for fabricating narrow magnetic read width TMR/CPP sensors
A method for manufacturing a manufacturing a magnetoresistive sensor that allows the sensor to be constructed with a very narrow and well controlled track width. The method includes depositing a...
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7999336 |
ST-RAM magnetic element configurations to reduce switching current
In order to increase an efficiency of spin transfer and thereby reduce the required switching current, a current perpendicular to plane (CPP) magnetic element for a memory device includes either...
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8000065 |
Magnetoresistive element and thin-film magnetic head
A magnetoresistive element includes: a detection surface that receives a magnetic field to be detected; a free layer made of a ferromagnetic material, having an end face located in the detection...
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7985599 |
Microfluidic platform of arrayed switchable spin-valve elements for high-throughput sorting and manipulation of magnetic particles and biomolecules
Arrays of spin-valve elements that can be selectively activated to trap, hold, manipulate and release magnetically tagged biological and chemical particles, including molecules and polymers. The...
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7981696 |
Microfluidic platform of arrayed switchable spin-valve elements for high-throughput sorting and manipulation of magnetic particles and biomolecules
Arrays of spin-valve elements that can be selectively activated to trap, hold, manipulate and release magnetically tagged biological and chemical particles, including molecules and polymers. The...
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7964924 |
Magnetoresistance effect device and magnetism sensor using the same
A magneto-resistance effect device (1) includes a semiconductor region (2) having a surface provided with a plurality of isolated metal micro-particles (3) of not more than 100 μm disposed at ...
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7957106 |
Chemically disordered material used to form a free layer or a pinned layer of a magnetoresistance (MR) read element
Magnetoresistive (MR) read elements and associated methods of fabrication are disclosed. A free layer and/or a pinned layer of an MR read element are formed from a magnetic material such as...
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7957108 |
Magnetoresistive element having spacer layer that includes two layered regions composed of oxide semiconductor and nonmagnetic conductor phase sandwiched therebetween
An MR element includes a free layer having a direction of magnetization that changes in response to an external magnetic field, a pinned layer having a fixed direction of magnetization, and a...
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7952839 |
Magnetoresistive element including an antiferromagnetic layer disposed away from a detection surface
An MR element includes a first ferromagnetic layer, a second ferromagnetic layer, a spacer layer disposed between the first and second ferromagnetic layers; and an antiferromagnetic layer disposed...
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7950135 |
Manufacturing method of magnetoresistive effect element
A manufacturing method of an MR element in which current flows in a direction perpendicular to layer planes, includes a step of forming on a lower electrode layer an MR multi-layered structure with...
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7948718 |
Magnetoresistive head having an insulating layer with a particular compressive stress
An MR element incorporates: a nonmagnetic conductive layer having two surfaces facing toward opposite directions; a free layer disposed adjacent to one of the surfaces of the nonmagnetic conductive...
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7944651 |
CPP-type magnetoresistive effect head and method of manufacturing the same
Embodiments of the present invention help to prevent a reduction in the bias magnetic field of a current perpendicular to the plane-type (CPP-type) magnetoresistive effect head, thus suppressing a...
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7944650 |
Magnetoresistive element including layered film touching periphery of spacer layer
An MR element includes an MR stack including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer disposed between the first and the second ferromagnetic layer. The MR...
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7936539 |
Bottom spin valve GMR sensor incorporating plural oxygen surfactant layers
A bottom spin-valve GMR sensor has been fabricated that has ultra-thin layers of high density and smoothness. In addition, these layers are inherently furnished with sub-monolayer thick oxygen...
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7929257 |
Magnetic thin film having spacer layer that contains CuZn
A magnetic thin film has a pinned layer whose magnetization direction is fixed with respect to an external magnetic field, a free layer whose magnetization direction is changed according to the...
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7919139 |
CPP with elongated pinned layer
CPP magnetic read head designs have been improved by increasing the length of the AFM layer relative to that of both the free and spacer layers. The length of the pinned layer is also increased,...
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7920362 |
Magnetio-resistive device including a multi-layer spacer which includes a semiconductor oxide layer
A giant magneto-resistive effect device having a CPP structure including a spacer layer, and a fixed magnetization layer and a free layer stacked one upon another with said spacer layer interposed...
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7920361 |
Magnetoresistive effect element with intermediate oxide layer containing boron and an element selected from Ca, Mg, Sr, Ba, Ti, and Sc
It is made possible to provide a magnetoresistive effect element that can reverse magnetization direction with a low current, having low areal resistance (RA) and a high TMR ratio. A...
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7916431 |
Magnetoresistive element including insulating film touching periphery of spacer layer
An MR element includes a stack of layers including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer disposed between the first and the second ferromagnetic layer. The...
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7916432 |
Thin-film patterning method for magnetoresistive device
The thin-film patterning method for a magnetoresistive device comprises forming a functional layer on a substrate; forming a first mask layer above the functional layer; forming a patterned resist...
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7911744 |
Magneto-resistive effect device and magnetic disk system with refilled insulation layer in contact with a read end face of a cap layer
The invention provides a giant magneto-resistive effect device (CPP-GMR device) having a CPP (current perpendicular to plane) structure comprising a multilayer device assembly comprising a fixed...
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7900342 |
Methods of fabricating magnetoresistance sensors pinned by an etch induced magnetic anisotropy
Magnetoresistance sensors with magnetic pinned layers that are pinned by anisotropic etch induced magnetic anisotropies and methods for fabricating the magnetoresistance sensors are provided. The...
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7898774 |
Magnetoresistive effect element with resistance adjustment layer of semimetal, magnetic head and magnetic reproducing apparatus
A spin valve type magnetoresistive effect element for vertical electric conduction includes a magnetoresistive effect film in which a resistance adjustment layer made of a material containing...
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7894168 |
Thin-film magnetic head comprising a magneto-resistive effect device of a CPP structure and having a shunting layer
The invention provides a thin-film magnetic head having a magneto-resistive effect device of the CPP (current perpendicular to plane) structure comprising a multilayer film in which a fixed...
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7891081 |
Process of manufacturing a side pinned magnetic recording sensor
A process is described for the fabrication of a magnetic read head in which contact between the pinned layer and the AFM is limited to their edges. The principal steps are to deposit an...
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7881022 |
Magnetic head and method for fabricating the same
Embodiments in accordance with the present invention provide a sensor to produce high output with a small track width. Particular embodiments include forming a magnetoresistive sensor of a read...
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