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7450348 Electronic device, magnetoresistance effect element; magnetic head, recording/reproducing apparatus, memory element and manufacturing method for electronic device  
An electronic device free from variation of conductivity is provided. The electronic device 100 includes electrodes 2 and 3; and a metal conductor thin film 7 electrically connected to the...
7425456 Antiferromagnetic stabilized storage layers in GMRAM storage devices  
A giant magnetoresistive memory device includes a magnetic sense layer, a magnetic storage layer, a non-magnetic spacer layer between the magnetic sense layer and the magnetic storage layer, and an...
7414816 Planar magnetic thin film head  
A magnetic head (slider) which requires no lapping is described. The head is fabricated with an air bearing surface that is parallel to the wafer surface. The saw cuts used to separate the...
7382584 Method to increase CCP-CPP GMR output by thermoelectric cooling  
The problem of increasing the output signal from a CCP-CPP GMR device without having it overheat has been overcome by placing materials that have different thermoelectric potentials on opposing...
7379275 Magneto-resistive head having a thermally conductive layer  
A magneto-resistive head, a magnetic tape and a magnetic tape recording/reproducing system, which are capable of suppressing the formation of protrusions around a magneto-resistive element, thereby...
7367110 Method of fabricating a read head having shaped read sensor-biasing layer junctions using partial milling  
A method for fabricating a read head for a magnetic disk drive having a read head sensor and a hard bias layer, where the read head has a shaped junction between the read head sensor and the hard...
7352539 Thin-film magnetic head having a covered insulating layer  
The method of making a thin-film magnetic head in accordance with the present invention forms a cover layer on an insulating layer about a magnetoresistive film so as to eliminate a protrusion...
7336449 Three terminal magnetic sensor (TTM) having a metal layer formed in-plane and in contact with the base region for reduced base resistance  
A three terminal magnetic sensor (TTM) has a base region, a collector region which is adjacent the base region, an emitter region, and a barrier region which separates the emitter region from the...
7333300 Magnetoresistive device with lapping guide treated to eliminate magnetoresistive effect thereof  
A method for reducing noise in a lapping guide. Selected portions of a Giant magnetoresistive device wafer are masked, thereby defining masked and unmasked regions of the wafer in which the...
7298594 Electric-field-effect magnetoresistive devices and electronic devices using the magnetoresistive devices  
Magnetoresistive devices with increased response sensitivity to external magnetic fields and an increased magnetoresistive ratio (MR ratio) to cope with rapid advances made in a highdensity...
7295406 Narrow track extraordinary magneto resistive [EMR] device  
An extraordinary magnetoresistive sensor having optimal magnetic sensitivity capable of reading a very narrow and short magnetic bit. The sensor includes a layer of semiconductor layer and a layer...
7289304 Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with improved antiparallel-pinned structure  
A current-perpendicular-to-the-plane spin-valve (CPP-SV) magnetoresistive sensor has an improved antiparallel (AP) pinned structure. The AP-pinned structure has two ferromagnetic layers separated...
7287316 Lapping monitor device, system and method  
A lapping monitor element that is juxtaposed with a magnetic transducer element having a magnetoresistance effect film to determine the lapping position upon lapping the element height of the...
7256969 Discrete step stabilization of narrow-track AMR read sensors  
A method and system are provided for implementing discrete step stabilization of AMR read sensors in tape or disk drives. In one implementation, a plurality of discrete step stabilizers and AMR...
7239570 Magnetic memory device and method for magnetic reading and writing  
Disclosed herein are a magnetic memory device and method for storing and retrieving data. The magnetic memory device includes a read disk and a storage disk. The read disk comprises of an array of...
7213326 Method of manufacturing a horizontal thin film write, MR read head  
A horizontal combined head is provided which has both a thin film write and an MR read element located at an air bearing surface (ABS). The read element can be formed with a track width that is...
7211339 Highly conductive lead adjoining MR stripe and extending beyond stripe height at junction  
Magnetoresistive (MR) sensors are disclosed that have leads with reduced resistance, improving the signal-to-noise ratio of the sensors. The leads have broad layers of highly conductive material...
7211199 Magnetically-and electrically-induced variable resistance materials and method for preparing same  
Provided are new compositions of ruthenates in the pervoskite and layered pervoskite family, wherein the ruthenate compositions exhibit large magnetoresistance (MR) and electric-pulse-induced...
7203036 Planar extraordinary magnetoresistance sensor  
An extraordinary magnetoresistance (EMR) sensor has a planar shunt and planar leads formed on top of the sensor and extending downward into the semiconductor active region, resulting. Electrically...
7201827 Process and structure to fabricate spin valve heads for ultra-high recording density application  
A method for forming a bottom spin-valve GMR sensor having ultra-thin layers of high density and smoothness and possessing oxygen surfactant layers as a result of the layers being sputtered in a...
7201637 Simultaneous planarization of pole piece and coil materials for write head applications  
A method for simultaneously planarizing to relatively equal smoothness a thin film magnetic head hardbaked resist structure having relatively low surface energy and one or more additional thin film...
7196875 Permalloy sensor having individual permalloy resist pattern runners with lengths perpendicular to a wafer level anisotropy  
A permalloy sensor having high sensitivity is presented A substrate and a sensor has a first surface having a wafer level anisotropy in a given direction. A permalloy resistor pattern of individual...
7178221 Method of forming a thin film magnetic head  
In a thin-film magnetic head having a multilayered film developing a magnetoresistive effect, which is present between an upper shielding layer and a lower shielding layer both formed above an...
7173795 Bias point adjustment of a read head by means of an external magnet  
Reader asymmetry control has become an important issue as track widths continue to shrink. This has been achieved by providing adaptive adjustment to the asymmetry of individual heads in the form...
7167346 Extraordinary magnetoresistance sensor with perpendicular magnetic biasing by an antiferromagnetic/ferromagnetic exchange-coupled structure  
An extraordinary magnetoresistance (EMR) sensor has an antiferromagnetic/ferromagnetic exchange-coupled bilayer structure on top of the EMR active film. The ferromagnetic layer in the bilayer...
7167345 Magnetoresistive effect sensor including a magnet array of a plurality of permanent magnets  
A magnetic sensor provided with a magnetoresistive effect element capable of stably maintaining a direction of magnetization in a magnetic domain of a free layer. The magnetic sensor includes a...
7159301 Method of manufacturing a slider of a thin-film magnetic head  
A method of manufacturing a slider comprises the steps of: forming a slider material including a substrate, a thin-film magnetic head element and an insulating portion; forming a first surface in...
7154713 CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same  
A high output, magnetoresistive head with a CPP structure is disclosed which reduces or prevents deformation near the air bearing surface of the read element portion layer at the time of air...
7152305 Method for fabricating a magnetoresistive (MR) read head  
A magnetoresistive (MR) read head is disclosed including a shield layer with a recessed portion and a protruding portion defined by the recessed portion. Also included is an MR sensor located in...
7146711 Method to make planarized GMR head for high track density  
A method for forming a planar GMR read-head having a narrow read gap, a narrow track-width and being well insulated from its lower shield. The method requires the formation of a planarized bottom...
7130161 Magnetic head having marker layer, and tape-medium reading and writing apparatus  
A magnetic head includes a first shielding layer, a second shielding layer, an MR element, and a marker layer. The layers and the element are exposed from a medium sliding surface while being...
7129177 Write head fabrication by inverting order of process steps  
During fabrication of a write head via holes are first opened in a gap layer, followed by formation of seed layers instead of the other way around. Moreover a first seed layer is formed, and...
7126794 Thin film magnetic head including heat dissipation, method of manufacturing the same, and magnetic disk drive  
Provided are a thin film magnetic head capable of inhibiting an excessive temperature rise while reducing its size in accordance with a higher recording density, and obtaining a higher read output,...
7113104 Giant magnetoresistance based gyroscope  
A gyroscope ( 10 ) for determining rate of rotation includes a giant magnetoresistor (GMR) ( 14 ) attached to a mass ( 12 ) oscillating along a first axis. When the gyroscope ( 10 ) is rotated, the...
7108796 Method for fabrication of magnetic write head with self aligned poles  
A method for fabrication of magnetic write heads for disk drives in which a P 1 layer is formed having a P 1 Protrusion, the P 1 Protrusion having a longitudinal reference axis. A gap layer is...
7088560 Thin film magnetic head including a heat dissipation layer, method of manufacturing the same and magnetic disk drive  
Provided are a thin film magnetic head capable of inhibiting an excessive temperature rise while reducing its size in accordance with a higher recording density, and obtaining a higher read output,...
7081367 Manufacturing method of thin-film magnetic head with magnetoresistive effect element and manufacturing method of head gimbal assembly with the thin-film magnetic head  
A manufacturing method of a thin-film magnetic head with an MR element or a manufacturing method of an HGA with the head includes a step of forming a plurality of MR elements on a substrate or...
7075755 Magneto-resistance effect element with magnetism sensitive region controlled by voltage applied to gate electrode  
A magneto-resistance effect element of the present invention allows detection of a micro-bit signal with a high sensitivity. The magneto-resistance effect element is provided with a first magnetic...
7065859 Method for manufacturing a thin film magnetic head  
A first magnetic film is formed in a primary pattern which is larger than its definitive pattern and of which edges are located within frames to be used in a frame-plating method for the second...
7064934 Magnetoresistive sensor with reduced operating temperature  
A magnetoresistive (MR) sensor having reduced operating temperature is disclosed. The MR sensor, which includes an MR stack having a magnetoresistive layer, is configured to operate in a...
7062838 Method of forming an embedded read element  
A method of forming an embedded read element is used in the fabrication process of a magnetic head assembly including write and read heads. In this method, three photolithographic patterning steps...
7061725 Magnetic read sensor with stripe width and stripe height control  
The present invention includes a magnetic sensing structure having a stripe height and a stripe width defining an area for a current flowing therethrough, and at least one electrode positioned...
7057260 Method of making thin-film magnetic head  
In the method of making a thin-film magnetic head in accordance with the present invention, an alignment mark is electrically connected to a multilayer film which will later become a TMR film....
7054085 Use of shunt resistor with large RA product tunnel barriers  
A read head for use with an interconnect transmission line having a characteristic impedance of Z 0 includes a tunnel valve device and a shunt resistor RS that is connected in parallel across the...
7043823 Method of manufacturing a current-perpendicular-to-plane magnetoresistive device with oxidized free layer side regions  
A current-perpendicular-to the-plane (CPP) magnetoresistive device, such as a magnetic tunnel junction (MTJ), is formed by patterning a capping layer (e.g., using resist) in the shape of a central...
7031120 Disk drive with magnetic head for perpendicular magnetic recording  
A disk drive of a perpendicular magnetic recording system uses a double-layered disk medium including a soft magnetic layer. This disk drive is configured to suppress any adverse effect on a read...
7031119 CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same  
A high output, magnetoresistive head with a CPP structure is disclosed which reduces or prevents deformation near the air bearing surface of the read element portion layer at the time of air...
7026671 Magnetoresistive effect element, magnetic memory device and manufacturing method of magnetoresistive effect element and magnetic memory device  
A magnetoresistive effect element ( 1 ) has an arrangement in which a pair of ferromagnetic material layers (magnetization fixed layer ( 5 ) and magnetization free layer ( 7 )) is opposed to each...
7006336 Magnetic head having a heater circuit for thermally-assisted writing  
A magnetic head for thermally-assisted writing of data to a disk is disclosed. In one illustrative example, the magnetic head includes a write head element and a heating element which is a...
7002762 Method for intersymbol interference removal in data recovery  
In recovering data originally written on a carrier of magnetic media after a catastrophic failure, data may be read without prior knowledge of the write channel by which the data was originally...
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