Matches 51 - 100 out of 252 < 1 2 3 4 5 6 >
Match Document Document Title
7072133 Servo mark verify head  
The invention presents techniques for verifying patterns, such as time-based servo marks, recorded on magnetic media. Patterns of this kind can be recorded on a magnetic medium using a recording...
7061726 Thin film magnetic head  
A magnetic material having a low coefficient of thermal expansion of 11.5×10 −6 /K or less is used for forming at least one of a lower shield or an upper shield. A laminated film comprising a...
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...
7046487 Magnetoresistive effective element, thin film magnetic head, magnetic head device and magnetic recording/reproducing device  
A first magnetic shielding film is disposed on one surface of a magnetoresistive effective film in a thickness direction thereof, and a second magnetic shielding film is disposed on the other...
7042683 Slider-level reader isolation measurement technique for advanced GMR heads  
A read/write head for a disk drive having a shorting conductor from a shield of the read element to a conductor that runs from the write element to an external electrical contact pad. This allows...
7031122 Magnetic shields for reduced variations of head-media spacing  
The invention offers a magnetic recording head that includes a substrate, a read sensor, and at least one shield positioned adjacent to the read sensor, wherein the shield contributes to thermal...
7031121 Perpendicular recording magnetic head with a write shield magnetically coupled to a first pole piece  
A perpendicular recording write head has ferromagnetic first and second pole pieces which are connected at a back gap and an insulation stack with a write coil layer embedded therein is located...
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...
7019943 Thin-film magnetic head with improved external magnetic field-blocking characteristics  
A thin-film magnetic head comprises an inductive type electromagnetic transducer having a first magnetic pole, a second magnetic pole, and a thin-film coil. A recording shield layer made of a...
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....
6995957 Magnetoresistive sensor having a high resistance soft magnetic layer between sensor stack and shield  
A magnetoresistive sensor has a high resistance soft magnetic layer disposed between the sensor stack and at least one magnetic shield. The presence of the high resistance soft magnetic layer...
6995950 Transverse biased shields for perpendicular recording to reduce stray field sensitivity  
A method for reducing flux concentrating capacity of a shield in a magnetic read/write head positioned to read perpendicular residual magnetic fields on a magnetic media. Permeability of the shield...
6980403 Magnetic sensing element with side shield layers  
A magnetic sensing element of a current-perpendicular-to-plane (CPP) type that minimizes an increase in effective read track width and prevents side reading is provided. The magnetic sensing...
6980402 Magnetic head  
The object of the present invention is to provide a magnetoresistive magnetic head having good, stable playback characteristics. In an MR head wherein an MR element is interposed between a lower...
6967823 Magnetic recording head  
A magnetic recording head includes an upper shield layer, a lower shield layer, a magnetoresistive film interposed between the upper shield layer and the lower shield layer, and a pair of leads...
6947262 Magnetic reading head  
A magnetic reading head is provided. The magnetic reading head reads information recorded on a recording medium having a soft underlayer and a magnetic layer stacked on the soft underlayer, and...
6947261 Thin film magnetic head and method of manufacturing the same  
Provided are a thin film magnetic head and a method of manufacturing the same, which can prevent an output decrease without impairment of productivity and other characteristics, while adapting to...
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.
6943993 Magnetic recording head with a side shield structure for controlling side reading of thin film read sensor  
Side shield structures magnetically shielding a read sensor to block side reading of tracks on a magnetic media. The read heads include bottom and top magnetic shield layers, a read sensor or...
6937445 Recording/reproducing separated type head with heat radiating structure  
An area in which an insulating film is formed over a substrate of a recording/reproducing separated type head is limited to the vicinity of a GMR film. This enables heat of Joule heating by a coil...
6930863 Graded laminated thin film poles and shields for magnetic heads  
A magnetic head having a magnetic shield and/or pole layer that is fabricated as a plurality of laminated layers, in which each layer includes a sublayer thickness of Fe(N) and a sublayer thickness...
6930862 Shielded extraordinary magnetoresistance head  
An extraordinary magnetoresistance (EMR) magnetic head is provided including a first shield and a second shield defining a gap adapted for being positioned over a magnetic recording disk. An EMR...
6903908 Magnetoresistive effect sensor with barrier layer smoothed by composition of lower shield layer  
A magnetoresistive effect sensor uses a shielded-type magnetoresistive effect element using a magnetoresistive effect film formed by a basic configuration of a combination of a free layer, a...
6888702 Thin film magnetic head device  
In a thin film magnetic head device including a reading giant magneto-resistive thin film magnetic head element whose electric equivalent circuit is expressed by a series circuit of an equivalent...
6879471 Recording head design for identifying reader-to-permanent magnet isolation failure  
A spin valve head configured to operate in a Current-In-Plane (CIP) mode is provided. The spin valve head has an air bearing surface (ABS) and a top and a bottom shield separated by a central...
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...
6859347 Magnetic transducer with electrically conductive shield for reducing electromagnetic interference  
A magnetic transducer including an electrically conductive shield (ECS) which is disposed between the substrate and first magnetic shield is described. The ECS is preferably embedded in an...
6853518 Magnetic read and write head with NiFeCo-O-N or NiFeCo-N shield and/or poles  
A specified amount of N 2 O or N 2 is employed in a process gas of a DC magnetron for sputter depositing single or laminated films of NiFeCo—O—N or NiFeCo—N with a high uniaxial anisotropy H...
6842313 Floating down stream perpendicular write head shield  
A read/write head for a disk drive having a magnetoresistive (MR) read element and an inductive write element suitable for perpendicular recording of data onto a disk having a media layer in which...
6807032 Magnetic read head wherein the shields are used as electrical leads and have a minimized anisotropic magneto-resistance effect  
A ferromagnetic shield material having a minimized anisotropic magneto-resistance effect permits the use of a combined shield/electrical lead for magneto-resistive read elements. The...
6801409 Read head shield having improved stability  
A read head shield having improved stability includes a ferromagnetic (FM) layer and an anti-ferromagnetic (AFM) layer adjacent the FM layer. The FM layer has a patterned shape and a domain...
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...
6780530 Magnetic material having a high saturation magnetic flux density and a low coercive force  
A magnetic material includes a main component expressed by a general formula CoNiFeX, wherein X is at least one element selected from the group consisting of Cr, Ti, V, Ru, Rh, Pd, Os, Ir and Pt,...
6775108 Magnetic head having a read element shield and substrate with matching coefficients of thermal expansion  
A magnetic head for reading information from a magnetic medium is provided. The magnetic head includes a substrate, having a substrate thermal coefficient of expansion, and a read element...
6771567 Dual shield vertical magneto-optical read head  
A magneto-optical read head for detecting magnetic transitions representing data stored in a magnetic recording medium as a sense layer having an optical property that is magnetic field-dependent,...
6765768 Thin-film magnetic head having ensured insulation between shield and magnetic detecting element  
A thin-film magnetic head has a lower shield layer and an upper shield layer which are each composed of two layers of a first shield sub-layer and a second shield sub-layer. The second shield...
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...
6760199 Read/write head assembly employing independent read/write shield-pairing and charge-clamped magnetoresistive sensors  
A magnetic head assembly with an air bearing surface (ABS) layer over a double-shielded magnetoresistive (MR) sensor and a write gap formed between two spaced magnetic pole tips, with an optional...
6760198 Magnetic multilayered films with reduced magnetostriction  
It is the primary object of the present invention to provide a shield and pole material with reduced magnetostriction while preserving good magnetic characteristics. This material is used in...
6754051 Spin valve transducer having partly patterned magnetoresistance element  
In a spin valve type transducer including two magnetic shield layers, a patterned magnetoresistance element is in direct contact with one of the magnetic shield layers. A permanent magnet layer and...
6751071 Thin film magnetic head comprising magnetoresistive element having shield layer formed by plating and method of manufacturing the thin film magnetic head  
An upper shield layer includes a Ni—Fe alloy underlying film formed by sputtering deposition, and a Ni—Fe alloy plating film formed on the underlying film by electroplating. The Fe composition...
6738234 Thin film magnetic head and magnetic transducer  
An object of the invention is to provide a thin film magnetic head and a magnetic transducer, which can obtain resistance properties adaptable to ultra-high-density recording. The thin film...
6738233 Perpendicular magnetic recording head with a magnetic shield to reduce side reading  
A read head for perpendicular magnetic recording that reduces side reading. The read head includes a read element and a magnetic shield spaced apart from the read element. The magnetic shield at...
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...
6731474 Thin film magnetic head and method of manufacturing the same  
Provided are a thin film magnetic head and a method of manufacturing the same, which is capable of high density recording and obtaining stable output. The thin film magnetic head includes an MR...
6724569 Thin film writer with multiplayer write gap  
Embodiments in accordance with the thin film write head of the present invention have a lower pole structure, an upper pole structure, and a multilayer write gap extending from an air bearing...
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...
6710982 Domain control in shields of a magnetic transducer  
A read/write head includes a bottom shield and a shared shield. The shared shield includes a first domain and a plurality of closure domains. The read/write head also includes a magnetoresistive...
Matches 51 - 100 out of 252 < 1 2 3 4 5 6 >