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Match Document Document Title
7453671 Magnetic head having a pair of magneto-resistive (MR) readers of the same type with each reader being tuned differently  
A magnetic head comprising for reading data from magnetic media includes a first magneto-resistive (MR) reader and a second MR reader. Both of the MR readers are either anisotropic...
7444741 Process to manufacture a CPP GMR read head  
Biasing schemes used for CIP GMR devices were previously thought to be impractical for CPP devices due to current shunting by the abutted hard magnets. In the present invention the CPP stripe is a...
7444740 Damascene process for fabricating poles in recording heads  
A method and system for manufacturing a pole for a magnetic recording head. The method and system include providing an insulator and fabricating at least one hard mask on the insulator. The at...
7441325 Perpendicular head with trailing shield and rhodium gap process  
A perpendicular write head including a main pole and a trailing shield, the main pole being made of a diamond-like carbon (DLC) layer as hard mask and a rhodium (Rh) layer as shield gap, both DLC...
7440238 Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus  
The present invention provides a thin film magnetic head capable of satisfying both assurance of recording performance and assurance of reproduction performance. In the case where a lower magnetic...
7440237 Thin film magnetic head, head gimbal assembly, and hard disk drive  
In a thin film magnetic head of the present invention, lead formation patterns of a first lead for connection between a lower shield layer and a first extraction electrode portion and a second lead...
7436633 Thin-film magnetic head, head gimbal assembly and hard disk system  
A parasitic capacity C 4 generated between a slider substrate and the first shield layer with the first insulating layer as a capacity layer is made substantially equal to a parasitic capacity C 2...
7418778 Method for producing a CPP thin-film magnetic head  
A CPP thin-film magnetic head includes a bottom shield layer; a top shield layer, the bottom shield layer and the top shield layer being disposed at a predetermined interval; a thin-film magnetic...
7400474 Conductive pairing for piggyback magnetic head  
A magnetic tape head having an array of reader/writer pairs formed on a common substrate, each reader/writer pair being configured in a piggyback configuration such that the writer and reader of...
7400473 Slider with independent fly-height adjustment of reader and writer  
A disk drive includes a rotatable storage disk, a suspension, and a slider assembly. The slider assembly includes a slider body, a first slider deformer and a second slider deformer. Activation of...
7398592 Manufacturable CMP assisted liftoff process to fabricate write pole for perpendicular recording heads  
This invention describes a manufacturable method, including a CMP liftoff process, for removing masking materials after ion milling for fabricating the write pole of a magnetic head. Significant...
7398591 Manufacturing method of a thin-film magnetic head  
The present invention relates to a manufacturing method of a thin-film magnetic head whereby re-deposition and an overlapped part in a region of a magnetoresistive effect multi-layered structure...
7397634 Magnetic head coil system and damascene/reactive ion etching method for manufacturing the same  
A system and method are provided for manufacturing a coil structure for a magnetic head. Initially, an insulating layer is deposited with a photoresist layer deposited on the insulating layer....
7397625 Large protrusion recording head for controlled magnetic spacing recording/reading  
A magnetic head structure having enhanced protrusion and having a first pole structure, a second pole structure forming a yoke with the fist pole, a coil structure disposed in the yoke, and a layer...
7395595 Method for manufacturing P3 layer of a perpendicular magnetic write head  
A method for forming a P 3 layer with NiFe and alumina mask using resist shrink process for use in perpendicular magnetic write heads. The method includes forming a laminated layer, forming an...
7394619 Disk drive write head for writing cross-track magnetizations  
An inductive write head has its write poles and write gap oriented to generate magnetic fields in the cross-track direction on a magnetic recording disk in a disk drive. The disk has the...
7392579 Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage  
A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced...
7389578 Manufacturing method of a perpendicular recording magnetic head  
Embodiments in accordance with the present invention relate to methods wherein when a main pole is processed by using an ion milling technique, a re-adhesion layer created on the side face of the...
7386934 Double layer patterning and technique for milling patterns for a servo recording head  
Double photolithography is used to produce an under-layer of protective and filtering photoresist over a substrate that will have channels milled with a FIB. Secondary layers are applied with...
7386933 Method of fabricating thin film write heads with a shortened yoke and improved dimension control  
A method for fabricating a magnetic recording head writer. The writer includes a bottom magnetic pole and a write gap formed over the bottom pole and a coil trench formed in the bottom pole. A top...
7382575 Transducing head including a magnetic element exhibiting varying permeability  
A transducing head has a main pole and at least one magnetic element (such as a return pole or a shield) which provides a potential return path for a magnetic field produced by the main pole. The...
7379276 Magnetic recording head having a plurality of shield layers  
Provided is a magnetic recording head including a return pole, a writing pole spaced by a predetermined distance from the return pole, an induction writing coil for inducing a magnetic field to be...
7370405 Fabrication method of a high gradient-field recording head for perpendicular magnetic recording  
A thin film magnetic head for perpendicular recording of a single-pole type has a flux enhanced part and a flux enhanced end arranged on a leading side of the main pole in parallel with the cross...
7369361 Magnetic head and magnetic head substructure including resistor element whose resistance corresponds to the length of the track width defining portion of the pole layer  
A method of manufacturing magnetic heads comprises the step of: fabricating a magnetic head substructure by forming components of a plurality of magnetic heads on a single substrate, wherein a...
7363700 Method of manufacturing a thin film magnetic head  
The present invention provides a thin film magnetic head achieving improved recording performance by sharpening recording magnetic field gradient as much as possible. The thin film magnetic head...
7363699 Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in hard magnetic bias layers  
A magnetoresistive sensor having a hard bias layer with an engineered magnetic anisotropy in a direction substantially parallel with the medium facing surface. The hard bias layer may be...
7363698 Process for creating a write head by forming a bump after the top pole is formed  
Methods for creating a write head by forming a bump after the top pole is formed are provided. In one embodiment, a bottom pole is created out of a first layer. A non-magnetic gap material is...
7360301 Method of manufacturing a thin film magnetic head  
The invention is directed to improvement of a write element of a thin film magnetic head. The first pole portion projects from a flat surface of a first yoke portion at a medium-facing surface side...
7360300 Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic pinning layer  
A magnetoresistive sensor having a hard magnetic pinning layer with an engineered magnetic anisotropy in a direction substantially perpendicular to the medium facing surface. The hard magnetic...
7360299 Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic in-stack bias layer  
A magnetoresistive sensor having an in stack bias layer with an engineered magnetic anisotropy in a direction parallel with the medium facing surface. The in-stack bias layer may be constructed of...
7356909 Method of forming a CPP magnetic recording head with a self-stabilizing vortex configuration  
A method is provided for forming a CPP MTJ or GMR read sensor in which the free layer is self-stabilized by a magnetization in a circumferential vortex configuration. This magnetization permits the...
7355813 Method of fabricating a narrow projection such as a write pole extending from a substrate  
An article is formed as a substrate having a projection extending outwardly therefrom. The article may be a magnetic recording head and the projection a write pole. The projection has a width in a...
7350284 Methods of making a current-perpendicular-to-the-planes (CPP) type sensor by ion milling to the spacer layer using a mask without undercuts  
In one particular example, a plurality of CPP type sensor layers are formed over a wafer and a mask without undercuts is formed over the plurality of CPP type sensor layers in a central region....
7343669 Method of manufacturing a thin film magnetic head  
A manufacturing method of a thin film magnetic head is provided. In the manufacturing method of a thin film magnetic head, an inorganic insulating layer is formed along at least a sidewall surface...
7343668 Method of manufacturing perpendicular magnetic recording head capable of highly precisely defining gap distance  
A method of manufacturing a perpendicular magnetic recording head is provided. The method accurately defines a gap layer. The method includes forming a lower gap layer made of a non-magnetic...
7343667 Methods of making a side-by-side read/write head with a self-aligned trailing shield structure  
A side-by-side read/write head includes a self-aligned trailing shield, where a rear edge of the trailing shield is defined by the same lithography/etching process used to define a rear edge of a...
7343666 Methods of making magnetic write heads with use of linewidth shrinkage techniques  
In one illustrative example, a method for use in making a magnetic write head includes the steps of forming a first pole piece layer of a first pole piece; forming a patterned resist over the first...
7340824 Method for fabricating a magnetic head having an improved magnetic shield  
A first magnetic shield layer of the read head sensor is deposited upon a slider substrate surface. A patterned photoresist is then photolithographically fabricated upon the first magnetic shield...
7333301 Magnetic recording head and method for manufacturing  
A thin-film magnetic head having little temperature rise in the element, good heat dissipation and a short magnetic path length (narrow coil pitch) and manufacturing method for same is provided. To...
7328499 Method of manufacturing a thin film magnetic head  
Provided is a thin film magnetic head capable of inhibiting the occurrence of track erasing and improving the reliability of magnetic recording. Two taper surfaces are disposed on both sides of a...
7325296 Method of fabricating a magnetic head  
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...
7324303 Magnetic recording/reproducing head with head elements displaced in both head width and lamination directions  
A magnetic recording/reproducing head having a plurality of magnetic head elements for multi-channeling capable of achieving high density recording/reproducing capability, including: a plurality of...
7322096 Method for fabricating magnetic write heads  
A magnetic write head and method for bulk fabrication of the same are provided. A trench is formed in a nonmagnetic substrate. A first magnetically permeable layer is deposited in the trench of the...
7320174 Methods for creating ground paths for ILS  
Methods for creating a ground path between a stainless steel suspension and a copper trace layer in an integrated lead assembly of a disk drive suspension. The invention prevents electrostatic...
7313863 Method to form a cavity having inner walls of varying slope  
An improved mold, for use in the formation of a perpendicular magnetic write head, is described, together with a process for its manufacture. Conventional alumina is replaced by tantalum in the...
7310206 Magnetic thin film head with heat-assisted write section and hard disk drive incorporating same  
A thin film magnetic read/write head for use in magnetic data storage systems to enable writing of data to a magnetic data storage medium with the assistance of laser heating. The read/write head...
7310205 Thermally assisted recording of magnetic media using a resonant cavity and energy  
A magnetic head including a media heating device including an optical cavity resonator that produces a high intensity near-field optical beam adjacent to the write pole. Optical energy is coupled...
7310203 Thin film magnetic head having magnetic pole edge layer for achieving both improvement of recording magnetic field and reduction of unnecessary leakage magnetic field, and method of manufacturing same  
There is provided a thin film magnetic head, with letting a distance of a portion, where a width of a track portion in an upper magnetic pole changes, from a flying plane from a medium be Ly, and...
7305753 Method for manufacturing a magnetic head  
A first magnetic layer is formed on a first magnetic layer formation surface, and then a first material layer-forming layer is deposited on the first magnetic layer formation surface and on the...
7296339 Method for manufacturing a perpendicular magnetic recording head  
A method and system for manufacturing a perpendicular magnetic recording head is disclosed. The method and system include providing a chemical mechanical planarization (CMP) uniformity structure...
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