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Match Document Document Title
8184395 Magnetic recording and reproducing apparatus with thin-film magnetic head having microwave magnetic exciting function  
A magnetic recording and reproducing apparatus includes a metal housing, a magnetic recording medium having a magnetic recording layer, and a thin-film magnetic head having a write magnetic field...
8184406 Thin film magnetic head having an angled insulating film  
Embodiments in accordance with the present invention provide a thin film magnetic head for preventing a short-circuit failure during formation of a track portion or a stripe-height portion and...
8059371 Method to reduce sensitivity of a magnetic read-write head to external magnetic fields  
In a read-write head, the shields can serve as magnetic flux conductors for external fields, so that they direct a certain amount of flux into the recording medium. This problem has been overcome...
7990659 Magnetic head with protective films  
A magnetic head according to one embodiment includes a substrate; a sensor formed above the substrate; a second shield formed above the sensor and the substrate; a first insulation layer positioned...
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...
7864489 Thin-film magnetic head having an antistatic layer preventing a protective coat from being electrostatically charged  
Provided is a thin-film magnetic head in which a noise due to the voltage potential difference between the read head element and the protective coat surface is suppressed. The thin-film magnetic...
7765676 Method for patterning a magnetoresistive sensor  
A method for constructing a magnetoresistive sensor using an etch mask that is resistant to the material removal process used to define the sensor width and stripe height. The method may include...
7712204 Manufacturing method of a thin-film magnetic head  
A manufacturing method of a thin-film head includes the steps of, laminating and patterning a soft magnetic layer with iron alloy that contains silicon and aluminum through a base layer on a...
7710691 Three terminal magnetic sensor having an in-stack longitudinal biasing layer structure in the collector region and a pinned layer structure in the emitter region  
In one illustrative example, a three terminal magnetic sensor (TTM) suitable for use in a magnetic head has a sensor stack structure which includes a base region, a collector region, and an emitter...
7697246 Magnetoresistive sensor having biasing AFM layer in contact with free layer and a track width defined by a lead contact area  
A current perpendicular to plane (CPP) magnetoresistive sensor having a current path defined by first and second overlying insulation layers between which an electrically conductive lead makes...
7636223 Three terminal magnetic sensor having an in-stack longitudinal biasing layer structure and a self-pinned layer structure  
In one illustrative example, a three terminal magnetic sensor (TTM) has a sensor stack structure which includes a base region, a collector region, and an emitter region. A first barrier layer is...
7562436 Deposition defined trackwidth for very narrow trackwidth CPP device  
In one embodiment, a method of forming a CPP sensor comprises providing a sensor having a hard mask disposed on a left side thereof and a right side with a portion of the sensor material removed...
7532441 MR read head with first and second gap layers  
A magetoresistive (MR) read head according to one embodiment includes a shield layer with a recessed portion and a protruding portion defined by the recessed portion; a first gap layer located on...
7522387 Thin film magnetic head and fabrication process for preventing short-circuit failure in a narrow track width and narrow gap length  
Embodiments of the invention relate to preventing short-circuit failure even in the narrow track width and narrow gap length, resulting in improved yield. In one embodiment, die sensor heads are...
7506430 Process to manufacture narrow track CPP head with bias cancellation  
The problem of increased edge sensitivity associated with the reduction of the spacing between bias magnets in a CPP head has been solved by limiting the width of the bias cancellation layer and by...
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...
7320168 Method to improve heat dissipation in a magnetic shield  
Problems such as thermal pole tip protrusion result from thermal mismatch between the alumina and pole material during the writing process. This, and similar problems due to inadequate heat...
7290324 Method for fabricating a magnetic head including a media heating element  
A magnetic head including a media heating device. Following the fabrication of the heating device, a sacrificial layer of material is deposited to protect the heating device during subsequent...
7280320 Thin-film magnetic head and manufacturing method thereof  
A lower shield layer is formed by being embedded in a first recess formed in an under layer. Accordingly, the distance between the lower shield layer and a slider can be reduced. Also, a second...
7280321 Magnetoresistive head  
A magnetoresistive head of a type including a magnetoresistive film arranged between a lower shield layer and an upper shield layer, wherein the lower shield layer has a non-magnetic layer adjacent...
7237322 Method for making a tunnel valve head with a flux guide  
A method for making a tunnel valve head with a flux guide. The tunnel valve sensor is created by forming a tunnel valve at a first shield layer. The tunnel valve includes a free layer distal to the...
7227726 Method and system for providing a dual-stripe magnetoresistive element having periodic structure stabilization  
A dual-stripe element magnetroresistive read head for reading information from a magnetic tape. The read head includes a first insulating layer, a first active magnetoresistive layer formed on the...
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...
7209329 Heat sink and high thermal stability structure for CPP sensor  
A currently perpendicular to plane (CPP) sensor having a heat sink structure disposed beyond the stripe height of the sensor. The heat sink is preferably in thermal contact with one of the...
7190557 Current-in-the-plane spin valve magnetoresistive sensor with dual metal oxide capping layers  
A bottom-pinned current-in-the-plane spin-valve magnetoresistive sensor has a dual metal-oxide capping layer on the top ferromagnetic free layer. The first capping layer is formed on the free layer...
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...
7134184 Process of manufacturing a narrow track CCP head with bias cancellation  
The problem of increased edge sensitivity associated with the reduction of the spacing between bias magnets in a CPP head has been solved by limiting the width of the bias cancellation layer and by...
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,...
7116526 Lead overlay sensor with improved current path  
In a lead overlay (LOL) type of read head first and second insulation layers are employed with the first insulation layer being located between a top surface of a first hard bias layer and a first...
7102853 Negative thermal expansion dielectrics for thermal pole tip protrusion compensation  
A slider having a magnetic read/write head and including, a base coat, a reader element having a transducer, a writer element, the writer element including at least one conductive coil, the coil...
7061728 High linear density read head with a contiguous junction and minimal shield shorts  
In a magnetic head a read sensor is located between first and second read gap layers wherein the first read gap layer includes a read gap material layer and first and second refill gap layers. The...
7061727 Magnetoresistive head using multilayered varistor material  
A magnetoresistive includes a magnetoresistive layer which converts magnetic signals to electric signals and a pair of electrodes for allowing an electrically sensing current to flow across the...
7050272 Reduction of contact noise in single-ended magnetoresistive read elements  
A single-element magnetoresistive (MR) read head with reduced susceptibility to noise is disclosed. In particular, the present invention addresses the problem of noise generated thermally through...
7035057 Magnetoresistive effect thin-film magnetic head and manufacturing method of magnetoresistive effect thin-film magnetic head  
An MR thin-film magnetic head includes a lower shield layer, a lower gap layer made of a nonmagnetic electrically conductive material and laminated on the lower shield layer, an MR multilayer in...
7027270 Spin valve sensor for high areal density applications  
The magnetoresistive sensor has a bottom shield, a nonmagnetic metallic pedestal, a bottom reader gap, a biasing element, a magnetoresistive stack, current leads, a top reader gap, and a top...
7009818 Thin film magnetic head having improved thermal characteristics, and method of manufacturing  
A thin film magnetic head having one or more magneto-resistive (MR) elements. A thermally conductive stud is incorporated in an underlayer of the head, below the bottom shield of the MR element....
6927949 Spin valve head with reduced element gap  
This invention teaches a way for the shield to shield (S1-S2) distance of a magnetic read head to be reduced. The key feature is that the upper and lower dielectric layers D1 and D3, which are...
6925702 Method of making a horizontal thin film write and 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...
6885526 Thin film magnetic head comprising SiON film  
A thin film magnetic head includes a gap layer which may be made of a SiON film to increase Young's modulus E to about 123.3 (GPa) or more. As a result, the gap layer is less pushed from a surface...
6801408 Data storage and retrieval apparatus with thin film read head having a planar sensor element and an extra gap and method of fabrication thereof  
In at least one embodiment, the apparatus of the invention is a read sensor which includes a shield, a sensor element, a read gap positioned between the shield and the sensor element, and an extra...
6785099 Read gap improvements through high resistance magnetic shield layers  
A read head is provided having having ultrathin read gap layers with improved insulative properties between a magnetoresistive sensor and ferromagnetic shield layers. The read head comprises a...
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...
6741430 Thin-film magnetic head with less smearing  
First and second embodiments of thin-film magnetic heads each including a magnetoresistive element for reading out information as a result of moving relative to a magnetic recording medium. Each...
6721140 Magnetoresistive device and method of manufacturing same and thin-film magnetic head and method of manufacturing same  
A read head includes: an MR element that detects a magnetic field; a pair of electrode layers for feeding a sense current to the MR element; and a bottom shield layer and a top shield layer that...
6704172 Thin film magnetic head using Al-Si-O insulating material and method of manufacturing the same  
A thin film magnetic head includes a lower gap layer and/or an upper gap layer made of an AlSiO film having a Si content of 2 at % to 9 at % of the total or an AlSiON film further having a N...
6697234 Thin-film magnetic head having a shielding layer covered by a high-melting point layer on the magnetoresistive element side  
A thin-film magnetic head includes a magnetoresistive element, a shielding layer, and an insulating layer disposed between the magnetoresistive element and the shielding layer. The shielding layer...
6633459 Functional recording-head on-slider lap monitor  
The invention is a magnetoresistive recording head including the reader portion that has a top and bottom shield, a first auxiliary electrical connection, a second auxiliary electrical connection,...
6633463 Thin-film magnetic head, head suspension assembly, magnetic disk device and manufacturing method of them  
At least a part of the insulation layers is made of an insulation material which increases electric conductivity thereof when an ultraviolet radiation is irradiated. Thus, improved resistance...
6563678 Thin-film magnetic head having insolating layer provided between gap layer and shielding layer  
A thin-film magnetic head having a magnetoresistive effect element wherein an insulating layer is formed under an electrode layer of a magnetoresistive effect element with a lower gap layer...
6556389 Method for thermally isolating a magnetoresistive element from thermal asperities  
A reader and a method of fabricating a reader having a thermally isolated magnetoresistive element is disclosed. The method includes fabricating a magnetoresistive read transistor between a top...
Matches 1 - 50 out of 107 1 2 3 >