Matches 1 - 50 out of 78 1 2 >
Match Document Document Title
7414816 Planar magnetic thin film head  
A magnetic head (slider) which requires no lapping is described. The head is fabricated with an air bearing surface that is parallel to the wafer surface. The saw cuts used to separate the...
7140094 Magnetic head and production method for magnetic heads  
Magnetic heads capable of recording and reading with high sensitivity and resolution are provided by minimizing the outflow of magnetic fluxes from a flux guide to magnetic shields while using a...
7126795 Magnetic recording head, a magnetic reproducing head, a magnetic recording apparatus, and a magnetic reproducing apparatus  
A magnetic recording head, a magnetic reproducing head, a magnetic recording apparatus comprising the magnetic recording head, and a magnetic reproducing apparatus comprising the magnetic...
7036208 Self aligned magnetoresistive flux guide read head with exchange bias underneath free layer  
A magnetoresistive sensor for use in a data storage device has a recessed sensing element (magnetic tunnel junction, CPP spin valve, etc.) with an exchange biased sensing ferromagnetic (free)...
6985330 High efficiency side-by-side thin film head utilizing canted shield yokes  
The present invention is a side-by-side inductive head structure having a considerably reduced separation between the read and write elements of the head structure. The present invention also...
6912772 Method for shaping pole pieces of magnetic heads by chemical mechanical polishing  
A process for forming the P 2 pole tip/yoke interface of a magnetic head that includes a second CMP polishing step that is performed on the surface of the write head wafer subsequent to the...
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...
6829819 Method of forming a magnetoresistive device  
A magnetoresistive device having a first pole, a second pole, and a first tapered pole pedestal therebetween and magnetically connected to the second pole. The first tapered pole has a width that...
6765740 Composite magnetic head, magnetic disk drive using the head, and control method for the magnetic disk  
A conventional magnetic head has a structure, in which a MR element and a recording element are stacked. The influence of a recording magnetic field on the magnetically sensitive portion of a...
6754947 Method for forming a narrow track inductive write head having two-piece pole  
A process of forming a two-piece pole for an inductive write head involves first forming a first pole piece having a width between opposite side surfaces defining a gap width of a transducing gap...
6737281 Method of making transducer with inorganic nonferromagnetic apex region  
A method of making an inductive transducer having inorganic nonferromagnetic material disposed in an apex region adjacent to a submicron nonferromagnetic gap in a magnetic core. The inorganic...
6729012 Method of manufacturing a thin-film magnetic head  
A method of manufacturing a thin-film magnetic head comprises the steps of forming a bottom pole layer, forming a gap layer, forming a top pole layer, and forming a thin-film coil. The thin-film...
6728080 Magnetic head, magnetic recording and reproducing apparatus, method for reproducing and recording magnetic recording information  
A magnetic reproducing head and a magnetic recording head. The magnetic reproducing head includes a GMR or TMR magnetic sensor, and a flux guide for introducing a magnetic flux into the magnetic...
6655009 Dual mask process for making second pole piece layer of multiple write heads with high resolution narrow track width second pole tip  
A method of fabricating a second pole piece layer of a write head is constructed using first and second photoresist layers which are sensitive to light with different bandwidths. The second...
6621664 Perpendicular recording head having integrated read and write portions  
An integrated read/write perpendicular recording head facilitates the use of magnetic storage media having a high magnetic recording density and high data rates. The use of a perpendicular write...
6589436 Method of adjusting the flatness of a slider using selective plasma etching  
Provided is a reactive ion etching (RIE) method for use in altering the flatness of a slider, whereby a slider or row of sliders is placed within a RIE apparatus. The apparatus comprises...
6538855 Magneto-resistive thin film magnetic head preventing entry of unnecessary magnetic flux and having good reproduction characteristics  
A magneto-resistive thin film magnetic head is provided, which magnetic head includes: a base; a first yoke provided on the base and separated by a gap into first and second portions, the first...
6535361 Contact planar magnetoresistive head  
A hard disk drive head operates in close proximity and dynamic contact with a rapidly spinning rigid disk surface, the head including a transducer with a magnetically permeable path between a...
6510029 Thin film magnetic head with improved insulating properties and method of manufacturing the same  
The thin film magnetic head has insulating layers and a MR element section, which has uniform thickness and which can be formed on a surface of a magnetizable substrate with enough insulating...
6459552 Thin film read head with coplanar pole tips  
A thin film magnetic head employs pole tips members which are coplanar in a plane across the write gap to produce a written track whose width is determined by the thickness of the pole tip members....
6452759 Yoke-type magnetoresistive (MR) head, yoke-type MR composite thin film head, and magnetic storage apparatus  
The present invention provides a yoke type magnetoresistive (MR) composite thin film head having no other gap than the recording/reproducing gap so as to increase the recording characteristics and...
6417989 Multiple-gap magnetic thin-film head with improved read/write coil arrangement  
Read and write performance in a magnetic thin-film head is improved by forming a highly compact multiple-gap head with separate magnetic core and coil structures for a read head and a write head...
6388846 Magnetic field sensor with magnetoresistor  
According to the invention, the magnetoresistance ( 25 ) is coupled to a secondary air gap ( 15 ) formed by two hollowed out magnetic parts ( 12 - 1, 12 - 2 ). Applicable to the measurement of...
6324035 Magnetic recording and reading device  
A magnetic recording and reading device having a magnetic head assembly in which a magnetic head is mounted on a suspension, an R/W-IC having a line width of not more than 0.35 μm and a magnetic...
6286200 Dual mask process for making second pole piece layer of write head with high resolution narrow track width second pole tip  
A method of making a second pole piece layer that has a yoke portion between a pole tip portion and a back gap portion comprising the steps of forming a first photoresist layer that is sensitive to...
6212047 Hard disk drive with magnetoresistive head and perpendicular media  
An information storage system having a ring head in such close proximity to a rigid magnetic storage disk that the magnetic field felt by the media layer or layers of the disk has a larger...
6198607 Contact planar magnetoresistive head  
A hard disk drive head operates in close proximity and dynamic contact with a rapidly spinning rigid disk surface, the head including a transducer with a magnetically permeable path between a...
6195872 Method of manufacturing a thin film magnetic head  
A method of manufacturing a thin film magnetic head including a first magnetic layer, a second magnetic layer, a gap layer, and a thin film coil consisting of one or more thin film coil layers....
6191495 Micromagnetic device having an anisotropic ferromagnetic core and method of manufacture therefor  
For use with an integrated circuit having a substrate and an insulator coupled to the substrate, a micromagnetic device and method of manufacturing therefor. In one embodiment, the micromagnetic...
6134088 Electromagnetic head with magnetoresistive means connected to a magnetic core  
An electromagnetic head for a storage device comprises a magnetic core forming a magnetic circuit, and a magnetoresistive means. The magnetic core is interrupted by an air-gap, thereby separating a...
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...
6130810 Magnetic reluctance effect magnetic head with the connection length of the forward electrode less than the facing length of the magnetic gap  
A magnetic reluctance effect magnetic head in which a forward side electrode is stacked on at least the surface of a magnetic reluctance effect element facing a magnetic recording medium, and in...
6101067 Thin film magnetic head with a particularly shaped magnetic pole piece and spaced relative to an MR element  
A thin film magnetic head has a main magnetic pole piece, a magnetoresistance effect element, a bias layer giving a bias magnetic field to the magnetoresistance effect element, an auxiliary...
6078479 Magnetic tape head with flux sensing element  
A thin film read-write magnetic head useful in a tape apparatus includes a magnetic circuit consisting of two thin film magnetic layers which form a magnetic yoke that is divided into three closely...
6043947 Magnetic storage and reproducing system with a low permeability keeper and a self-biased magnetoresitive reproduce head  
A magnetic storage system includes a magnetic storage medium comprising a keeper layer of relatively low permeability soft magnetic material deposited upon a magnetic storage layer or between...
5949624 Horizontal shared-pole magnetic read/write head having polarization conductor disabling write pole  
An inductive-write magnetoresistive-read horizontal head for magnetic recording having two polarization conductors. The two polarization conductors are used to simultaneously activate a MR sensor...
5910869 Planar magnetic head with longitudinal multilayer magnetoresistance  
A planar magnetic head including two pole pieces separated by a head gap with a longitudinal multilayer magnetoresistance component MR comprising extending longitudinally beneath the pole pieces...
5870260 Magnetic recording system having a saturable layer and detection using MR element  
A magnetic storage system is disclosed that includes a magnetic storage layer associated with a soft magnetic saturable keeper layer. A transducer is spaced from the storage layer and the keeper...
5798895 Magnetic reading head having a magnetoresistant element and improved polarization means  
A magnetic reading head having a magneto resistant element and improved polarization means. The polarization conductor is associated with a supplementary magnetic layer positioned opposite to the...
5777827 Horizontal type 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...
5768070 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...
5764448 Magnetic read head having a multilayer magnetoresistant element and a concentrator, as well as its production process  
A magnetic read head having a multilayer magnetoresistant element and a concentrator, and a method of production the magnetic read head. The magnetic head includes a multilayer magnetoresistant...
5764447 High reluctance magnetic head  
A high reluctance magnetic head is disclosed. According to the invention, the concentrators are separated from the pole pieces by an amagnetic layer incorporating more particularly a conductive...
5742457 Horizontal shared-pole magnetic read/write head having polarization conductor disabling write pole  
An inductive-write magnetoresistive-read horizontal head for magnetic recording having two polarization conductors. The two polarization conductors are used to simultaneously activate a MR sensor...
5726839 Magnetic head having bypass magnetic path and set magnetic reluctance relationship  
A magnetic head for vertical magnetic recording includes a return portion having a sufficiently large area confronting a magnetic recording medium, a main pole having its front end portion...
5648884 Magnetic head with an underlying longitudinal multilayer magnetoresistor  
A magnetic layer 16 adopts the shape of an insulating ridge 14 and a multilayer magnetoresistor (MR) functions in a longitudinal mode and underlies the magnetic layer. The device is used for...
5504643 Magnetic read/write head having a writing-compensated magnetoresistant element  
Magnetic read/write head having a writing-compensated magneto-resistant element. In the invention, the head includes, beneath a magnetoresistant element (MR), a conductor element (40) and...
5491606 Planar magnetoresistive head with an improved gap structure  
Providing a magnetic head with a yoke and a gap structure coupled to a substrate that is positioned above a magnetic medium. The gap structure includes one or more lips, a first and a second...
5486967 Magnetic disk memory system  
According to the present invention, there is provided a magnetic disk memory system. An embodiment of this system comprises a magnetic disk of a perpendicular recording type, including a soft...
5436779 Integrated yoke magnetoresistive transducer with magnetic shunt  
A thin film read-write magnetic head includes first and second adjacent magnetic layers forming a magnetic circuit path with a transducing gap, a flux sensing element disposed in the plane of one...
Matches 1 - 50 out of 78 1 2 >