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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...
7327538 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...
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...
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...
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...
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...
7092217 Magnetoresistive head  
A magnetoresistive head of CPP structure in which an insulating protective film 20 covers at least part of the boundary between the lower shield layer 10 and the non-magnetic film 11 adjacent...
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...
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...
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....
6967055 Thin-film magnetic head and method of forming the same  
In a thin-film magnetic head having a multilayered film developing a magnetoresistive effect, which is present between an upper shielding layer and a lower shielding layer both formed above an...
6927949 Spin valve head with reduced element gap  
This invention teaches a way for the shield to shield (S 1 -S 2 ) distance of a magnetic read head to be reduced. The key feature is that the upper and lower dielectric layers D 1 and D 3 , which...
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...
6870713 Magnetoresistive effect thin-film magnetic head  
An MR thin-film magnetic head includes a lower shield layer, an upper shield layer, a MR multilayer sandwiched between the lower shield layer and the upper shield layer, the MR multilayer being...
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...
6728079 Magnetoresistive effect thin-film magnetic head  
An MR thin-film magnetic head includes a lower shield layer, an MR multilayer laminated on the lower shield layer, in the MR multilayer, a current flowing in a direction perpendicular to surfaces...
6722019 Method of making 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...
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...
6714387 Spin valve head with reduced element gap  
This invention teaches a way for the shield to shield (S 1 -S 2 ) distance of a magnetic read head to be reduced. The key feature is that the upper and lower dielectric layers D 1 and D 3 , which...
6707647 Magnetic head with thin gap layers  
The hard disk drive of the present invention includes a magnetic head wherein the read head portions have gap insulation layers between the magnetic shields. The gap insulation layers are made up...
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...
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...
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,...
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...
6550131 Method for making a thin-film magnetic head  
A method for making a thin-film magnetic head with a magnetoresistive layer having a desired shaped to facilitate narrowing of the track width, wherein the surface, in the depth direction, is not...
6525913 Read head with sunken prefill insulation for preventing lead to shield shorts and maintaining planarization  
First and second portions of a first shield layer on each side of a planar shield portion below a read sensor are recessed for receiving first and second insulative prefill layers which minimize...
6525912 Thin magnetic head with intermediate gap layer, magnetoresistive layer and electrode layers disposed between upper and lower gap layers  
A thin-film magnetic head includes a nonmagnetic lower gap layer, a nonmagnetic upper gap layer, a magnetoresistive layer, an electrode layer, and an intermediate gap layer. The magnetoresistive...
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...
6493195 Magnetoresistance element, with lower electrode anti-erosion/flaking layer  
A magnetoresistance element includes a lower electrode layer, a magnetoresistance effect layer, an upper electrode layer and a lower electrode anti-erosion/flaking layer. The lower electrode...
6483298 Test simulation of a read/write head  
A test simulation circuit includes a simulated read/write head with a magnet shield and a magnetoresistive sensor exposed at a lapped surface. The test simulation circuit also includes first and...
Matches 1 - 50 out of 111 1 2 3 >