Matches 1 - 50 out of 89 1 2 >
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7593194 Tape recording head promoting lateral motion  
A multi-channel tape recording head or apparatus that has cable connection pads aligned along a direction that runs substantially perpendicular to a multi-channel tape recording head actuation...
7436632 Differential/dual CPP recording head  
A magnetic sensor for reading information from a magnetic medium. The magnetic sensor includes a bottom electrode and a first sensor disposed above the bottom electrode. The magnetic sensor also...
7408730 Reproducing head and magnetic disk drive  
A reproducing head including a read element, first and second electrodes provided at the opposite ends of the read element, a ground electrode provided between the first and second electrodes, a...
7405907 Adjacent magnetoresistive read head and method for obtaining position error signal  
A read head for reading magnetically stored data in adjacent tracks of a medium has at least two elongate bodies, each having at least one magnetoresistive part. The magnetoresistive parts have...
7342748 System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads  
The invention provides a system comprising a non-linear array of magnetoresistive (MR) heads arranged in a two-dimensional matrix for reading information stored on magnetic media. The non-linear...
7262064 Magnetoresistive effect element, magnetic memory element magnetic memory device and manufacturing methods thereof  
In a magnetoresistive effect element using a ferromagnetic tunnel junction having a tunnel barrier layer sandwiched between at least a pair of ferromagnetic layers, a magnetization free layer...
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...
6987652 Tapered angle magnetoresistive element and nonvolatile solid-state memory using the same  
The present invention provides a magnetoresistive element in which a first magnetic layer and a second magnetic layer whose coercive forces are different, and a non-magnetic layer that is disposed...
6888184 Shielded magnetic ram cells  
A magnetic memory fabricated on a semiconductor substrate is disclosed. The method and system include a plurality of magnetic tunneling junctions and a plurality of shields for magnetically...
6866751 Method of setting self-pinned AP pinned layers with a canted field  
A spin valve sensor in a read head has a spacer layer which is located between a self-pinned AP pinned layer structure and a free layer structure. The free layer structure is longitudinally...
6842312 Dual stripe read head with magnetic support structures which provide a uniform magnetic field for stabilization during manufacture  
A method for stabilizing magnetic domains in dual stripe magnetic read heads is provided. This method first comprises providing a plurality of coupled magneto-resistive read elements in a spaced...
6754048 Multiple magnetoresistive (MR) layer sensor element having longitudinal bias layers with non-parallel magnetizations  
Within a method for forming a magnetoresistive (MR) sensor element there is first provided a substrate. There is then formed over the substrate a first magnetoresistive (MR) layer having formed...
6697233 High density recording, dual stripe MR (DSMR) head for achieving anti-parallel exchange coupling with one biased layer having low coercivity  
A method of forming a DSMR head comprises the steps of forming a first ferromagnetic (FM) strip on a substrate with a first anti-FM (AFM) pinning layer over a portion of the first ferromagnetic...
6638691 Method for fabricating plate type magnetic resistance sensor chip element  
Disclosed is a method for fabricating a plate-type magnetic resistance sensor chip simply and easily. First, a characteristic membrane composed of NiCo and NiFe is deposited over a surface of a...
6633462 Magnetoresistive angle sensor having several sensing elements  
A magnetoresistive angular sensor ( 1 ) is provided which determines a magnetic field direction. A high angular accuracy over a wide range of magnetic field strengths is obtained. The...
6496333 Dual stripe magnetoresistive (DSMR) head with co-extensive magnetoresistive (MR)/dielectric/magnetoresistive (MR) stack layer edges  
The invention comprises a pair of dual stripe magnetoresistive (DSMR) sensor elements with aligned edges of a pair of patterned magnetoresistive (MR) layers within the pair of dual stripe...
6449131 Canted longitudinal patterned exchange biased dual-stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof  
A dual stripe magnetoresistive (DSMR) sensor element, and a method for fabricating the dual stripe magnetoresistive (DSMR) sensor element. When fabricating the dual stripe magnetoresistive (DSMR)...
6392850 Magnetoresistive transducer having a common magnetic bias using assertive and complementary signals  
Magnetic transducers are formed with common magnetic exchange layers capable of providing assertive and complementary signals. The transducers include an assertive transducer portion and a...
6310751 Anti-parallel longitudinal patterned exchange biased dual stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof  
A dual stripe magnetoresistive (DSMR) sensor element, and a method for fabricating the dual stripe magnetoresistive (DSMR) sensor element. When fabricating the dual stripe magnetoresistive (DSMR)...
6308400 Method for achieving anti-parallel exchange coupling with one biased layer having low coercivity  
A method of forming a DSMR head comprises the steps of forming a first ferromagnetic (FM) strip on a substrate with a first anti-FM (AFM) pinning layer over a portion of the first ferromagnetic...
6201466 Magnetoresistor array  
A compact and inexpensive MR array of rows of MR elements on a single die, each MR element being composed of a number of serially connected MR segments. The MR elements are arranged and configured...
6134078 High sensitivity, low distortion yoke-type magnetoresistive head  
In order to obtain a magnetoresistive head which is high in reproducing sensitivity, free from distortion in reproduced waveforms and suitable for high bit density recording, the an MR head...
5956215 High density thin film coupled element read head with support element to prevent damage to magnetoresistive element  
A reproducing element for use in a high density coupled element read head, and a method for manufacturing such an element are provided. The reproducing element includes an insulative layer and a...
5914839 MR Device with anti-ferro magnetic field anti-parallel to sense current magnetic field  
A magneto-resistance effect device having improved sensitivity in which an effective anisotropic magnetic field operating on a magneto-resistance effect layer is not increased by the sense current...
5894384 Magnetoresistance effect head in which a magnetoresistance effect element and a soft magnetic film form a single magnetic circuit  
The magnetic head comprises two magnetoresistance effect elements and a soft magnetic film connecting end portions of the magnetoresistance effect elements with each other. The two...
5883767 Direct access storage device with magneto-resistive transducing head apparatus and a common read return signal line  
A direct access storage device includes at least one disk mounted for rotation about an axis and having opposed disk surfaces for storing data. A magneto-resistive (MR) transducer head is mounted...
5796562 Magnetic head comprising a multilayer structure with electrically conducting head elements  
Magnetic head having a head face (1) and comprising a substrate (3) which is provided with a multilayer structure (5) with electrically conducting head elements (7) which are electrically arranged...
5786965 Magneto-resistance effect magnetic head  
A magneto-resistance effect magnetic head in which the MR effects of the two MR thin films of a MR device are balanced for suppressing Barkhausen noise and assuring a stabilized output. Between a...
5766780 Reversed order NIMN exchange biasing for dual magnetoresistive heads  
The present invention includes a magnetoresistive type sensor having a first sensor layer of NiFe and a first layer of antiferromagnetic material, preferably NiMn. Portions of the first NiFe layer...
5706151 Low bias current paired magnetoresistive head with misaligned anisotropy axes  
A magnetoresistive head assembly comprising: a paired magnetoresistive head including first and second magnetoresistive elements, and having a first electrically insulating spacer located...
5696654 Dual element magnetoresistive sensor with antiparallel magnetization directions for magnetic state stability  
A dual element magnetoresistive (MR) sensor is disclosed comprising two MR elements separated by a high resistivity conductive spacer material. A layer of hard bias material, which abuts one of the...
5684658 High track density dual stripe magnetoresistive (DSMR) head  
A method for forming a dual stripe magnetoresistive (DSMR) sensor element, and the dual stripe magnetoresistive (DSMR) sensor element formed through the method. To practice the method, there is...
5644456 Magnetically capped dual magnetoresistive reproduce head  
A magnetically permeable "cap" is deposited across the top face (the bottom face being the face at the head-medium interface), or on the end faces, or on both the top and the end faces of a DMR...
5563331 Magnetoresistive sensor utilizing a sensor material with a perovskite-like crystal structure  
A magnetoresistive sensor may be constructed with material having a perovskite-like crystal structure and an increased magnetoresistive effect. The material is based on the composition (A1) 1 -x...
5552706 Magnetoresistive magnetic field sensor divided into a plurality of subelements which are arrayed spatially in series but are connected electrically in parallel  
A magnetoresistive magnetic field sensor with a very long active region and a transduction signal of adequate power is achieved without the need to substantially increase voltage or current...
5535077 Magnetoresistive head having magnetically balanced magnetoresistive elements laminated on opposite sides of an electrically conductive film  
A magnetoresistive effect magnetic head having a film comprising laminated first and second magnetoresistive elements with an electrically conductive intermediate film therebetween, and a pair of...
5485333 Shorted DMR reproduce head  
A shorted DMR reproduce head includes two substantially identical MR elements, separated by a thin film of titanium nitride having a resistivity of 1000 μΩ-cm. Signal loss due to current shunting...
5420734 Multitrack read head having a matrix network of elementary magneto-resistive heads  
The read head according to the invention comprises a matrix network of elementary heads whose magnetic circuit comprises a magneto-resistive element. The different elements are electrically...
5406433 Dual magnetoresistive head for reproducing very narrow track width short wavelength data  
The invention relates to a dual magnetoresistive head (DMR) having a narrow track-width, defined as equal to or less than 10 times the height of its MR elements, for use in reproducing signals...
5388014 Apparatus and method of sensing the position of a magnetic head  
An apparatus and method for determining the position of a magnetic head from a magnetic track in a storage medium. The magnetic head includes two magneto-resistive elements electrically separated...
5378885 Unshielded magnetoresistive head with multiple pairs of sensing elements  
A new and improved unshielded horizontal magnetoresistive head is disclosed which utilizes multiple pairs of magnetoresistive elements. The present invention provides a device which is...
5357388 Shorted dual element magnetoresistive reproduce head exhibiting high density signal amplification  
An MR head includes two substantially identical MR elements, separated by a thin film non-magnetic spacer which is electrically conductive along at least a portion of its length. A current applied...
5323285 Shielded dual element magnetoresistive reproduce head exhibiting high density signal amplification  
A shorted dual MR head which is magnetically shielded for the purpose of isolating the dual MR head from extraneous magnetic fields and from long wavelength recorded signals which could cause...
5309305 Dual element magnetoresistive sensing head  
A read/write head includes a dual element MR sensor and a superimposed inductive head. In an implementation of the invention, the MR sensor structure includes two spaced magnetoresistive (MR)...
5302461 Dielectric films for use in magnetoresistive transducers  
A new class of materials for use as a dielectric to separate various metallic layers within a magnetoresistive transducer. The materials include oxides of Ta, Hf, Zr, Y, Ti, or Nb. Thin films of...
5296987 Tapered conductors for magnetoresistive transducers  
A method for reducing Barkhausen noise in dual stripe magnetoresistive recording heads. The topography of the bottom conductor is controlled, specifically the conductor sidewall angle at the edge...
5282104 Magnetic reading device with read head matrix network  
A magnetic reading device, of the type comprising multiple magnetic read heads, incorporates read heads each formed by a magneto-resistance element having a resistance which varies as a function of...
5270892 Conductor configuration for magnetoresistive transducers  
In a dual stripe magnetoresistive transducer a unique conductor configuration is provided that allows close spacing of the two magnetoresistive stripes while providing a nearly identical topography...
5235169 Bar code label and bar code reader  
A bar code label can be washed, if stained with mud or dirt, to remove the stains and also it is not easily corroded by rust, thereby permitting positive recording and preservation of information...
5218755 Method of manufacturing a magnetic head  
Method of manufacturing a magnetic head having a tape contact face (5) with transducing gaps, which method starts from a substrate (1) on which a magnetic head structure is formed layer by layer. A...
Matches 1 - 50 out of 89 1 2 >