Matches 51 - 100 out of 229 < 1 2 3 4 5 >
Match Document Document Title
7016161 Magnetic head, magnetic head gimbal assembly, magnetic recording and reproducing apparatus, and magnetic memory  
A magnetic head is provided with a giant magnetoresistive element, barrier layer, and highly polarized spin injection layer, The barrier layer is inserted between the giant magnetoresistive element...
6996894 Methods of making magnetic heads with improved contiguous junctions  
Methods of making a read head with improved contiguous junctions are described. After sensor layer materials are deposited over a substrate, a lift-off mask is formed over the sensor layer...
6993827 Method of making a bottom spin valve  
Two embodiments of a GMR sensor of the bottom spin valve (BSV) spin filter spin valve (SFSV) type are provided, together with methods for their fabrication. In one embodiment, the sensor has an...
6989972 Magnetoresistive sensor with overlapping leads having distributed current  
Magnetoresistive (MR) sensors have leads that overlap a MR structure and distribute current to the MR structure so that the current is not concentrated in small portions of the leads. An...
6989971 Giant magnetoresistance (GMR) read head with reactive-ion-etch defined read width and fabrication process  
The GMR read head includes a GMR read sensor and a longitudinal bias (LB) stack in a read region, and the GMR read sensor, the LB stack and a first conductor layer in two overlay regions. In its...
6977800 Magnetic read head with dual layer lead  
A read head has a bottom lead made of material that is relatively polish resistant and a top lead layer that polishes down more easily than the bottom layer. With this structure, when the layers...
6961223 Spin-valve thin-film magnetic element without sensing current shunt and thin-film magnetic head including the same  
A spin-valve thin-film magnetic element includes a laminate including a free magnetic layer and a pinned magnetic layer. A pair of hard bias layers is provided on both sides of the laminate to...
6954341 Magneto-resistive sensor with oxidization-resistant conductive layer between cap layer and electrode overhang  
A magneto-resistive magnetic sensor has an overlay-type structure and includes a cap layer on a top surface of a magneto-resistive structure and a pair of electrodes provided on said cap layer with...
6944937 Method of reducing ESD damage in thin film read heads which enables measurement of gap resistance  
The present invention provides a method of manufacturing a magnetoresistive read head which reduces electrostatic discharge and allows measurement of gap resistances in the head.
6934129 Magnetoresistive sensor with overlapping lead layers including alpha tantalum and conductive layers  
Magnetoresistive (MR) sensors are disclosed that have leads that overlap a MR structure and distribute current to and from the MR structure so that the current is not concentrated in small portions...
6930864 Methods and apparatus for defining the track width of a magnetic head having a flat sensor profile  
A magnetic head is made of a shield layer having first and second recesses defined in first and second end regions which surround a central region. Bias and lead layers are formed in the first and...
6927950 Thin-film magnetic head and method of manufacturing same, head gimbal assembly, and hard disk drive  
A read head comprises an MR element, two bias field applying layers, and two conductive layers. The two bias field applying layers are adjacent to both side portions of the MR element, and apply a...
6927948 Differential CPP GMR sensor with free layers separated by metal gap layer  
A differential current-perpendicular-to-the-plane (CPP) giant magnetoresistive (GMR) sensor is provided having nonmagnetic high conductivity leads to achieve low lead resistance. The differential...
6920021 Sunken electrical lead defined narrow track width magnetic head  
In fabricating the magnetic head, a first magnetic shield layer (S 1 ) is fabricated upon a substrate base, followed by a thin first insulation layer (G 1 ). A photoresist mask is fabricated upon...
6914757 Magnetoresistance effect element, magnetic head and magnetic reproducing system  
A magnetoresistance effect element includes a magnetization fixed layer in which the direction of magnetization is substantially fixed to one direction, a magnetization free layer in which the...
6907322 Method and apparatus for characterization of thermal response of GMR sensors in magnetic heads for disk drives  
A method and apparatus for characterization of a thermal response of giant magnetoresistive (GMR) sensors in magnetic read/write heads is provided. The method and apparatus make use of a probe to...
6876524 Magnetoresistive transducer having stronger longitudinal bias field  
A magnetoresistive transducer includes a magnetoresistive (MR) film interposed between domain control layers along the surface of a lower non-magnetic gap layer. Lead layers are formed on the...
6859348 Hard biased self-pinned spin valve sensor with recessed overlaid leads  
A spin valve sensor has an antiparallel (AP) pinned layer structure which has ferromagnetic first and second AP pinned layers that are separated by an antiparallel coupling layer. The first and...
6853519 Magnetic head having high conductivity lead structures seeded by epitaxially matched seed layer  
The present invention is directed towards increasing the conductivity of the electrical lead material in the read head portion of a magnetic head, such that thinner electrical leads can be...
6850393 Magnetic head including a magneto resistive film connected to a yoke portion  
In a yoke type reproducing magnetic head, a magnetoresistance effect film can be arranged in the vicinity of a medium facing surface, so that sensitivity is improved. The yoke type reproducing...
6844998 Magnetoresistive sensor capable of narrowing gap and track width  
Assuming that a distance between an upper shield layer and a lower shield layer in an area, which overlaps only a first electrode layer, but does not overlap a second electrode layer, is G 1 s ,...
6842314 Magnetoresistive device and method of manufacturing same, and thin-film magnetic head and method of manufacturing same  
A reproducing head of a thin-film magnetic head incorporates an MR element, a pair of bias field applying layers located to be adjacent to side portions of the MR element, and a pair of electrode...
6833979 Structure and method for redeposition free thin film CPP read sensor fabrication  
The present invention provides an improved current perpendicular to the plane thin film read head device and method of fabrication. With the present invention, the lower lead is formed to inhibit...
6819530 Current perpendicular to the planes (CPP) sensor with free layer stabilized by current field  
A magnetic head assembly includes a first lead that is electrically connected to a CPP sensor for conducting a current through the sensor perpendicular to major planes of the layers of the sensor....
6816345 Magnetoresistive sensors having submicron track widths and method of making  
Methods for reducing feature sizes of devices such as electromagnetic sensors are disclosed. A track width of a MR sensor is defined by a mask having an upper layer with a reduced width and a lower...
6813121 Magnetic transducer with multilayer conductive leads including a tantalum layer, a chromium layer and a rhodium layer  
A magnetic transducer (head) according to the invention includes multilayered electrically conductive leads from the magnetic sensor which include a thin tantalum seed layer followed by a thin...
6798622 Magnetoresistive (MR) sensor element with sunken lead structure  
A method for forming a magnetoresistive (MR) sensor element. There is first provided a substrate. There is then formed over the substrate a seed layer. There is then formed contacting a pair of...
6798621 Shield electrical connections for tunnel valve sensors  
A magnetic head includes a tunnel valve sensor, a first shield coupled to a first end of the tunnel valve sensor, and a second shield coupled to a second end of the tunnel valve sensor. A first...
6791804 Magnetoresistive-effect device and method for manufacturing the same  
A magnetoresistive-effect device includes a multilayer film, hard bias layers arranged on both sides of the multilayer film, and electrode layers respectively deposited on the hard bias layers. The...
6785954 Method for fabricating lead overlay (LOL) on the bottom spin valve GMR read sensor  
A method for fabricating a longitudinally hard biased, bottom spin valve GMR sensor with a lead overlay (LOL) conducting lead configuration and a narrow effective trackwidth. The advantageous...
6783874 Magnetic sensor having second antiferromagnetic layers and two types of electrode layers on free magnetic layer and manufacturing method thereof  
First electrode layers are formed on second antiferromagnetic layers, and in a step separate from the above, second electrode layers are formed above internal end surfaces of the second...
6779248 Method of manufacturing a lead overlay bottom spin valve with improved side reading  
In bottom spin valves of the lead overlay type the longitudinal bias field that stabilizes the device tends to fall off well before the gap is reached. This problem has been overcome by providing a...
6765767 Magnetoresistive head on a side wall for increased recording densities  
A read head for use with magnetic recording media having a plurality of magnetic tracks includes a read sensor, first and second magnetic lead shields for improving track resolution, and first and...
6760966 Process of manufacturing a side reading reduced GMR for high track density  
As track density requirements for disk drives have grown more aggressive, GMR devices have been pushed to narrower track widths to match the track pitch of the drive width. Narrower track widths...
6754055 GIANT MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SMALL LEAKAGE CURRENT, MAGNETO-RESISTIVE EFFECTIVE TYPE HEAD HAVING SMALL-LEAKAGE CURRENT, THIN-FILM MAGNETIC MEMORY HAVING SMALL LEAKAGE CURRENT AND THIN-FILM MAGNETIC SENSOR HAVING SMALL LEAKAGE CURRENT  
A giant magneto-resistive effect element includes a laminated layer film having a ferromagnetic film, a non-magnetic film and an anti-ferromagnetic film. A current is caused to flow in the...
6754052 Magnetoresistive head and manufacturing method therefor  
A magnetoresistive head including a first magnetic shield, a first electrode terminal provided on the first magnetic shield and having a first width, and a magnetoresistive film provided on the...
6744607 Exchange biased self-pinned spin valve sensor with recessed overlaid leads  
A spin valve sensor includes an antiparallel (AP) pinned layer structure which is self-pinned without the assistance of an antiferromagnetic (AFM) pinning layer. A free layer of the spin valve...
6735059 MAGNETORESISTIVE EFFECTIVE TYPE ELEMENT, THIN FILM MAGNETIC HEAD, MAGNETIC HEAD DEVICE AND MAGNETIC DISK DRIVING DEVICE WHICH USE SAID MAGNETORESISTIVE EFFECTIVE TYPE ELEMENT WHICH INCLUDES AT LEAST THREE SHIELDING FILMS  
A magnetoresistive effective type element, comprising: a magnetoresistive effective film; a first shielding film of which one main surface is adjacent to one main surface of said magnetoresistive...
6735058 Current-perpendicular-to-plane read head with an amorphous magnetic bottom shield layer and an amorphous nonmagnetic bottom lead layer  
A current-perpendicular-to-plane (CPP) read head with an amorphous magnetic bottom shield layer and an amorphous nonmagnetic bottom lead gap layer is disclosed. The amorphous magnetic bottom shield...
6731478 Magnetoresistive effect head  
A slider includes an air-introducing plane, a groove, an air flow-out end, and a thin-film magnetic head formed on the air flow-out end. The thin-film magnetic head includes a magnetoresistive...
6731475 Current-perpendicular-to-the-plane structure electromagnetic transducer element having reduced path for electric current  
A current-perpendicular-to-the-plane (CPP) structure electromagnetic transducer element comprises upper and lower electrically-conductive lead layers. The lead layers are employed to supply an...
6718623 Magnetoresistive device and method of manufacturing same, and thin-film magnetic head and method of manufacturing same  
A reproducing head of a thin-film magnetic head incorporates an MR element, a pair of bias field applying layers located to be adjacent to the side portions of the MR element, and a pair of...
6714374 Magnetoresistive sensor, magnetoresistive head, and magnetic recording/reproducing apparatus  
A magnetoresistive sensor includes a magnetoresistive element and equipment which generates a magnetic field in the magnetoresistive element thereby inducing a biasing magnetic field in the...
6707648 Magnetic device, magnetic head and magnetic adjustment method  
A magnetic element having an improved MR rate. The magnetic element 1 is made up of plural layered films of different compositions and exhibits a magneto-resistance effect that the...
6704178 Multichannel magnetic head using magnetoresistive effect  
A multichannel magnetic head utilizing the magnetoresistive effect comprises a plurality of magnetoresistive effect type reproducing magnetic head elements arrayed between a first and second...
6690552 Magnetoresistive film, head, and information regeneration apparatus having improved current flow characteristics  
There is provided a magnetoresistive film high in resistance to destruction. The magnetoresistive film is a multilayered film including: an antiferromagnetic layer 2 for generating a bias...
6671133 Thin-film magnetic head and method of manufacturing same  
It is an object of a thin-film magnetic head and a method of manufacturing the same of the invention to improve the insulating property between an electrode connected to a magnetoresistive element...
6665154 Spin valve head with a current channeling layer  
Spin valve heads with overlaid leads have several advantages over butted contiguous junction designs, including larger signal output and better head stability. However, in any overlaid design there...
6665153 Magnetoresistance element, head, sensing system, and magnetic storing system  
A MR element is provided, which allows the sense current to flow through only the inner region of a MR layer to bypass its end regions, thereby realizing high magnetic sensitivity and good domain...
6663986 Magneto-resistive stripe element having a thin film conductor covered by a conductive capping layer  
A magneto-resistive (MR) stripe element includes a magnetically active body portion and a tri-layer electrical conductor structure arranged proximate the magnetically active body portion. The...
Matches 51 - 100 out of 229 < 1 2 3 4 5 >