Matches 201 - 250 out of 252 < 1 2 3 4 5 6 >
Match Document Document Title
5828530 Orthogonal spin valve sensor with reduced net field  
An orthogonal spin valve read head is provided wherein a spin valve sensor is asymmetrically located between first and second shield layers so that image currents in the first and second shield...
5825594 Magneto-resistance effect-type magnetic head  
A magneto-resistance effect-type magnetic head according to the present invention can generate a high reproduction output by increasing a quantity of magnetic flux passing across an effective...
5822159 Thin-film magnetic head, magnetoresistance effect magnetic head and composite magnetic head  
A thin-film magnetic head, a magnetoresistance effect magnetic head and an MR inductive head are disclosed. The thin-film magnetic head has one of thin-film magnetic cores stacked on a substrate...
5818684 Shield type magnetoresistive head arranged for weakening of a galvano-current magnetic field  
A shield type magnetoresistive head has a GMR element exhibiting a giant magentoresistance effect phenomenon due to a spin dependent scattering, and an electrode, the GMR element comprising upper...
5809636 Method of making a magnetoresistive thin film magnetic head with specific shapes of leads  
A lower shield has an area smaller than an upper shield. A lead is constituted of a thin lead portion and a thick lead portion, the thin lead portion being formed in a reproduction gap between the...
5805392 Laminated plated pole pieces for thin film magnetic transducers  
The pole pieces of a thin film head are formed by two thin film layers of the magnetic metal NiFe, each NiFe layer being about 20,000 angstroms thick. These two NiFe layers are separated by an...
5792546 Magneto-resistive head and method of producing the same  
A magneto-resistive head is provided with a substrate, a lower shield layer made of a Fe-system magnetic material and provided above the substrate, and a non-magnetic insulator layer provided above...
5761011 Magnetic head having a magnetic shield film with a lower saturation magnetization than a magnetic field response film of an MR element  
An MR element includes a magnetoresistive film, a first magnetic shield film and a second magnetic shield film. The MR film includes at least one magnetic field response film, which responds to an...
5761009 Having parastic shield for electrostatic discharge protection  
A magneto-resistive read head having a "parasitic shield" provides an alternative path for currents associated with sparkovers, thus preventing such currents from damaging the read head. The...
5734531 Magneto-resistive read/write head having a combination pole/shield  
Disclosed is an MR head, and the method of making the same, which has a pole/shield. In the preferred embodiment, the pole side of the pole/shield is constructed such that it has a length that is...
5696656 Highly sensitive orthogonal spin valve read head  
An orthogonal spin valve read head is provided wherein a spin valve sensor is asymmetrically located between first and second shield layers so that image currents in the first and second shield...
5694276 Shielded magnetic head having an inductive coil with low mutual inductance  
A magnetic head assembly includes a magnetoresistive (MR) read sensor dielectrically disposed between a magnetic shield layer and a first pole layer. A write transducer comprises an inductive coil...
5687044 Magnetoresistive head with micro-crystallite shielding layer  
An MR head includes a soft magnetic (SAL) layer, a nonmagnetic (SHUNT) layer, and a magnetoresistive (MR) layer, which are formed on top of each other, with shielding layers being formed on the...
5668686 Magneto-resistive reading head with reduced side-lobe  
A thin film magnetic head made of material having the magneto-resistance (MR) effect and its manufacturing method are provided. A lower shield layer for magnetically shielding an MR film is formed...
5666246 Magnetic storage system with canted hardbias magnetoresistive head  
A magnetic storage system in which a magnetoresistive (MR) transducer utilizes a high coercivity magnetic material to produce a bias field for achieving higher signal output with low currents for...
5661620 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...
5638235 Magnetic storage system with canted hardbias magnetoresistive head  
A magnetic storage system in which a magnetoresistive (MR) transducer utilizes a high coercivity magnetic material to produce a bias field for achieving higher signal output with low currents for...
5621592 Magnetic head with magnetically stable shield layers and/or write poles  
First and second shield layers of a read head are constructed of a lamination of NiMn and Fe-based layers to improve the performance of the shield layers when they are subjected to high external...
5583726 Magneto-resistive head using flux guide  
A magneto-resistive (MR) head has an MR layer in a space formed by shield layers by providing a distance enough to protect magnetic flux, flowing through the MR layer from a recording medium...
5557492 Thin film magnetoresistive head with reduced lead-shield shorting  
A magnetoresistive head is provided which includes a magnetoresistive thin film sensing element. The sensing element has film surfaces which are bounded by top and bottom surfaces and side...
5555147 MR/inductive combined thin film magnetic head capable of reducing occurrence of a short circuit  
In a combined thin film magnetic head comprising reading and recording parts which are formed on a main surface of a non-magnetic substrate for magnetically reading and recording information on a...
5543989 Magnetic storage system including a magnetoresistive read sensor with sendust shield utilizing an optimized sendust seed layer  
Laminated films of SiAlFe alloy (sendust) providing optimized magnetic and mechanical properties for magnetic shield and magnetic pole tip applications are described. A multilayered magnetic...
5515221 Magnetically stable shields for MR head  
First and second shield layers of a read head are constructed of a lamination of NiMn and Fe-based layers to improve the performance of the shield layers when they are subjected to high external...
5508868 Dual element magnetoresistive sensing head having in-gap flux guide and flux closure piece with particular connection of magnetoresistive sensing elements to differential amplifier  
A sensing head for detecting flux representative of signals recorded on a magnetic medium includes dual magnetoresistive (MR) elements, an in-gap flux guide partly disposed between the elements and...
5493464 Thin-film magnetic head with separate recording and reproducing gaps  
A thin-film magnetic head includes a recording unit for generating a magnetic flux at a recording gap, which flux is used to magnetically record information on a magnetic disk, and a reproducing...
5473492 Magnetic head including a reproducing head utilizing a magnetoresistance effect and having a magnetic shielding film containing nitrogen  
A magnetic head includes a reproducing head comprising a leading magnetic shield film, an insulator, a magnetoresistance film, an insulator, and a trailing magnetic shield film formed on a...
5446613 Magnetic head assembly with MR sensor  
A thin film magnetic head incorporates an inductive write portion including two pole/shield layers and a read portion including a giant magnetoresistive (GMR) element. The pole/shield layers are...
5375022 Magnetic disk drive with electrical shorting protection  
A thin film magnetoresistive head is provided which has a magnetoresistive thin film sensing element. The film surfaces of the sensing element are bounded by top and bottom surfaces and a pair of...
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...
5311385 Magnetoresistive head with integrated bias and magnetic shield layer  
A thin-film magnetoresistive playback head having films providing magnetic shielding and magnetic bias. At least one of the magnetic shield layers is also conductive so that the functions of...
5247413 Magnetoresistance effect type thin film magnetic head with noise reducing electrode  
A magnetoresistance effect type thin film magnetic head comprising an MR element with electrodes provided at a fore end and a rear end thereof in the direction to confront a magnetic recording...
5208715 Shield geometry for stabilizing magnetic domain structure in a magnetoresistive head  
A magnetic shield in a magnetoresistive head. The magnetic shield includes a lip portion adjacent a magnetoresistive element. The magnetic shield has a height equal to an integer multiple of the...
5168409 Integrated magnetic head having a magnetic layer functioning as both a magnetic shield and a magnetic pole  
The magnetic layer of a head structure can satisfy the characteristics of both the magnetic shield layer and magnetic pole layer for recording by bringing the combined upper part and lower part of...
5073836 Single pole write and a differential magneto-resistive read for perpendicular recording  
A head structure for reading and writing perpendicular transitions from and to a moving recording medium. The head structure comprises an auxiliary magnetic pole having a tapered edge adjacent its...
4935832 Recording heads with side shields  
Side shields are provided adjacent to the magnetic poles of recording heads. The side shields are used for read and write operations for both longitudinal and vertical recording. During read, the...
4918554 Process for making a shielded magnetoresistive sensor  
The method for making a shielded magnetoresistive (MR) sensor in which the first shield is made of sendust and the second shield is made of permalloy. The method comprises the stages of depositing...
4907115 Super conducting thin-film magnetic head including a magnetoresistive element  
Thin-film magnetic head including a magnetoresistive element (1) and a face (9) for magnetically coupling the element with a magnetic recording medium. A magnetic yoke constituted by three layers...
4881143 Compensated magneto-resistive read head  
A read/write head for a hard disk provides both a magneto-resistive read function and an inductive write function in a common gap. The inductive write function is provided by a current carrying...
4843506 Shields of magnetoresistive transducers  
An improved shield for field sensing transducers used in magnetic storage devices is presented. The inventive shield provides a planar surface for the transducer to rest on, a single magnetic...
4783711 Magnetoresistive sensor having magnetic shields of ferrite  
In a magnetoresistive sensor having a magnetoresistive effect element which is held between two sheets of high permeability magnetic ferrite with insulating layers interposed between them, a...
4663683 Magnetoresistive thin film head  
In a magnetic head which utilizes the magnetoresistive effect of a ferromagnetic thin film, it is possible to realize a magnetoresistive effect type thin film magnetic head with favorable secondary...
4639808 Asymmetrical shields for controlling feedthrough in read/write heads  
An improved magnetic tape transducer of the type having both a write head and a read head in the same assembly, includes asymmetrical shields disposed on either side of a magnetoresistive element...
4447839 Magnetoresistant transducer  
A magnetoresistant transducer for reading data present on the tracks of a multitrack magnetic carrier, comprises at least one magnetoresistant element perpendicular to the direction of travel of...
4432028 Shielded magnetoresistance transducer high data density applications  
A magnetoresistance transducer for reading data from the tracks of a record carrier comprises at least one magnetoresistance perpendicular to the direction of travel of the data of each track P....
4255772 Read/write magnetic head assembly with magnetoresistive sensor  
A thin film magnetic head assembly incorporates a nonconductive magnetic substrate which serves as a first pole piece and a thin film magnetic layer for the second pole piece. A magnetoresistive...
4195323 Thin film magnetic recording heads  
A method of manufacture for forming a novel magnetic read/write transducer head of the type utilizing thin film materials. The method of manufacture comprises steps which deposit a thin film...
4071868 Narrow track MR head with side shields  
A magnetic head consists of a magnetic flux converging core having a magnetic gap and a magnetoresistive effect element which forms a magnetic circuit and which is arranged in the same plane as the...
3975772 Double shielded magnetorestive sensing element  
A magnetoresistive sensing element used for sensing magnetic transitions includes relatively thick shields and substantially thinner shields between the thick shields and the MR element. The output...
3940797 Shielded magnetoresistive magnetic transducer  
A magnetoresistive (MR) layer is placed offcenter the distance between two shields to enhance self-biasing. Information is carried on a magnetizable medium as recorded magnetic areas. The shields...
3908194 Integrated magnetoresistive read, inductive write, batch fabricated magnetic head  
A thin film head includes a permeable substrate providing a first shield, which may include a more highly permeable layer on its upper surface for shielding, a layer of permeable material thereon...
Matches 201 - 250 out of 252 < 1 2 3 4 5 6 >