Dynamic magnetic information storage or retrieval inventions 04/08

20080094740 - Determining the reliability of a disk drive: Embodiments of the present invention pertain to determining the reliability of a disk drive. According to one embodiment, values for a parameter associated with a particular type of component of the disk drive are detected while simulating customer usage of the disk drive. The values are stored to enable analyzing... Agent: Hitachi C/o Wagner Blecher LLP

20080094742 - Servo patterns for patterned media: Servo patterns for patterned media. The servo pattern includes specification of cylinder/track ID with and without a Gray code. The servo pattern space is minimized by the optimum usage of the islands. This is achieved by island allocation rules to take advantage of non-magnetic island. The island allocation also provides... Agent: Hitachi Global Storage Technologies, Inc.

20080094745 - Playback equipment and supplying method in playback equipment: According to one embodiment, a playback equipment includes a recording section which records information on a magnetic disc C, a motor which rotates the magnetic disc, a nonvolatile memory B which stores information in a recording area, a display section which displays the information on a screen, a playback section... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080094743 - Track width measurement for magnetic recording heads: One embodiment in accordance with the invention is a method for measuring a track width for a magnetic recording head comprising writing a first track and a second track on a disk at two different positions. Note that the first track is written at a frequency plus a frequency shift... Agent: Hitachi C/o Wagner Blecher LLP

20080094746 - Data reading method and storage device: A disk drive correctly recognizes newly written data when a plurality of readable data exist on the same sector of the same track, by comparing AGC values of each of the readable data, comparing error rates generated by Viterbi decoding, or both. An offset value determining means determines whether an... Agent: Patrick G. Burns Greer, Burns & Crain, Ltd.

20080094747 - System, method, and apparatus for slit shroud with integrated bypass channel wall feature for disk drive applications: A disk drive slit shroud mitigates a discontinuity in the bypass channel with an additional wall feature formed on the slit shroud. When installed, the wall feature fills the gap in the wall of the bypass channel that would otherwise be required to accommodate a slit shroud of sufficient surface... Agent: Bracewell & Giuliani LLP

20080094748 - Top disk-damper imbedded hard disk drive: A hard disk drive that at least one disk that is rotated by a spindle motor. The rotating disk creates a flow of air within the disk drive. A damper is located adjacent to the disk. The damper reduces the velocity of the air flow and any vibration associated with... Agent: Irell & Manella LLP

20080094741 - Electronic apparatus having built-in hard disk device: A hard disk device has a temperature detection device operable to detect a temperature in the hard disk device. A controlling section is operable to control functions of an electronic apparatus. A notifying section is operable to notify an abnormality of the electronic apparatus. The controlling section acquires the temperature... Agent: Morgan Lewis & Bockius LLP

20080094744 - Method and apparatus for evaluating a magnetic recording medium: A method of evaluating a magnetic recording medium using a magnetic head having a reproduction element is disclosed The method includes the steps of (a) recording a signal in a predetermined area of the magnetic recording medium; (b) determining a first value of a reproduction output by reproducing the predetermined... Agent: Greer, Burns & Crain

20080094750 - Method for making a perpendicular magnetic recording write head with a self aligned stitched write shield: A perpendicular magnetic recording (PMR) head with single or double coil layers has a small write shield stitched onto a main write shield. The stitched shield allows the main write pole to produce a vertical write field with sharp vertical gradients that is reduced on both sides of the write... Agent: Saile Ackerman LLC

20080094749 - Fly height actuator/void region in basecoat: A transducing device responsive to magnetic fields includes a writer, a reader, an actuator, and a void. The actuator is positioned proximate the writer and reader. The void is positioned between at least one of the reader and writer and a substrate of a sensing device. The void is also... Agent: Kinney & Lange, P.A.

20080094751 - Method of manufacturing thin-film magnetic head and thin-film magnetic head: A method of forming a thin-film magnetic head comprises a lower magnetic pole layer forming step of forming a lower magnetic pole layer; a lower magnetic pole projection forming step of forming the lower magnetic pole layer with a lower magnetic pole projection; a gap layer forming step of laminating... Agent: Oliff & Berridge, PLC

20080094752 - Housing for information storage medium and method using same: A method to write information to, or retrieve information from, an information storage medium disposed within a portable data storage cartridge moveably disposed in a data storage and retrieval system, wherein the data storage and retrieval system further comprises a data storage device. The portable data storage cartridge comprises a... Agent: Dale F. Regelman

20080094753 - Transducer device and assembly: The invention concerns a transducer device and assembly. A transducer device and assembly according to the invention comprise sheet of electrical insulator covering connection pads of a transducer component. The sheet of electrical insulator has on its surface connection pads that have galvanic contacts with the connection pads of the... Agent: Harrington & Smith, PC

20080094754 - Method of manufacturing a head assembly: A method of manufacturing a head assembly improves the attachment position precision of a gimbal and a slider with a head, increases the efficiency of the attachment process, and can be carried out at low cost using small-scale equipment. The method of manufacturing includes an adhesive applying step of applying... Agent: Kratz, Quintos & Hanson, LLP

20080094755 - Thin-film magnetic head with heating portion and protrusion adjustment portion and manufacturing method of head: A thin-film magnetic head is provided, which includes, an substrate with ABS; a read or write head element provided on an element-formed surface of the substrate; at least one protrusion adjustment portion whose end reaches a slider end surface on the ABS side, which provides on an element-formed surface of... Agent: Oliff & Berridge, PLC

20080094756 - Carriage assembly of a hard disk drive: There is provided a carriage assembly of a hard disk drive where a convex pattern that makes it possible to mount a magnetic head with high precision in parallel on a gimbal is provided on the gimbal and where it is possible to use the same convex pattern regardless of... Agent: Greer, Burns & Crain

20080094757 - Fluidic stripper assembly with load/unload ramp: An apparatus which provides improved positional control for an access element moveable adjacent a rotatable surface, such as a data transducing head adjacent a data recording disc in a data storage device. The apparatus comprises a fluidic stripper with one or more cantilevered arms which project proximate a corresponding array... Agent: Fellers, Snider, Blankenship, Bailey & Tippens, PC (seagate Technology LLC)

20080094758 - Piezoelectric actuated suspension with passive damping in hard disk drives: A piezoelectric actuated suspension with passive damping is disclosed for precision positioning of hard disk drive while reducing undesired shock vibrations. Along the longitudinal axis of an etched suspension, two piezoelectric actuators dispose near the base plate to provide a push-pull motion. The actuators have two main portions. The first... Agent: Evan Law Group LLC

20080094759 - Method for making a perpendicular magnetic recording write head with a self aligned stitched write shield: A method of making a perpendicular magnetic recording (PMR) head with single or double coil layers and with a small write shield stitched onto a main write shield. The stitched shield allows the main write pole to produce a vertical write field with sharp vertical gradients that is reduced on... Agent: Saile Ackerman LLC

20080094760 - Data storage device using magnetic domain wall movement and method of operating the same: Provided are a data storage device using a magnetic domain wall movement and a method of operating the data storage device. The data storage device includes a magnetic layer including a plurality of magnetic domains, first and second ferromagnetic pinned layers formed on lower and upper surfaces of the magnetic... Agent: Sughrue Mion, PLLC

20080094761 - Magnetoresistive sensor having shape enhanced pinning, a flux guide structure and damage free virtual edges: A magnetoresistive sensor having a shape enhanced pinning and a flux guide structure. The sensor includes a sensor stack with a pinned layer, spacer layer and pinned layer. First and second hard bias layers and lead layers extend from the sides of the sensor stack. The hard bias layers and... Agent: Zilka-kotab, PC- Hit

20080088962 - Detection of hdi in disk drives using read back signal: A hard disk drive that is capable of inhibiting a write operation when a varying fly height is detected. The disk drive includes a filter circuit that filters a read signal read from a disk. By way of example, the filter circuit may be a low pass filter with a... Agent: Irell & Manella LLP

20080088963 - Progressive track width head and method: A tape head according to one embodiment includes an array of readers, each of the readers having a track width, wherein the track width of an inner reader of the array is greater than a track width of an outer reader relative thereto. A tape head according to another embodiment... Agent: Zilka-kotab, PC- Ibm

20080088964 - Self-tuning settle controller in hard disk drives: A hard disk drive with a voice coil motor controlled by a circuit. The circuit provides a driving current to the voice coil motor to move a head of the drive in a seek routine. The seek routine includes a settle mode that has an initial state and a velocity... Agent: Irell & Manella LLP

20080088965 - Online identification of secondary actuator transfer function via system decoupling in multiple-stage actuator servo systems in disk drives: A hard disk drive that includes a voice coil motor and a micro-actuator. The micro-actuator is controlled by a servo that utilizes a micro-actuator controller and a corresponding micro-actuator transfer function. The servo enters a mode to self-determine at least one transfer function coefficient of the micro-actuator controller.... Agent: Irell & Manella LLP

20080088970 - Disk apparatus: A disk apparatus includes a cartridge holder, a pair of guide walls, a disk motor, a head, a base, first and second slider guides, first and second open/close sliders respectively having first and second engageable portions. The slider guides are provided in the cartridge holder for supporting the disk cartridge,... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080088966 - Servo control method and apparatus in seek retry condition and disk drive apparatus using the same: A servo control method in a seek retry condition includes determining whether the seek retry condition is generated, and terminating a servo control process that is currently performed and decelerating a voice coil motor such that a speed of the voice coil motor is minimized using a back electromotive force... Agent: Stanzione & Kim, LLP

20080088967 - Tape recording system with coupled paired roller guides: A tape recording system is provided for coupling the angular velocities of a pair of roller guides disposed one on either side of a head assembly. In one embodiment, the roller guides each comprise cylindrical first and second surfaces wherein the first surfaces guide a tape over the head assembly.... Agent: International Business Machines Corporation

20080088968 - Storage medium drive: A head actuator includes first and second yoke members. An elastic adhesive member is coupled to the second yoke member. A weight is coupled to the elastic adhesive member. The displacement of a coil in the head actuator causes a carriage to swing. The displacement of the coil generates a... Agent: Greer, Burns & Crain

20080088969 - Magnetic disk drive and manufacturing method thereof: Embodiments of the present invention allow a cover of a magnetic disk drive to be temporarily joined to a base without widening a mounting space, and completely joined after a head disk assembly (HDA) inspection. According to one embodiment, a cover includes a metal plate, an adhesive, and a seal... Agent: Townsend And Townsend And Crew LLP

20080088971 - Magnetic head for perpendicular magnetic recording: A magnetic layer for writing incorporates: a pole layer having an end face located in a medium facing surface; and an upper yoke layer. A first magnetic layer for flux concentration is connected to the pole layer at a location away from the medium facing surface, and allows a magnetic... Agent: Oliff & Berridge, PLC

20080088972 - Magnetic head for perpendicular magnetic recording and method of manufacturing same: A magnetic head comprises a pole layer, a first coil, a second coil, and a shield. The shield incorporates: a first portion located backward of the pole layer along the direction of travel of a recording medium; a second portion located forward of the pole layer along the direction of... Agent: Oliff & Berridge, PLC

20080088973 - Silicon substrate for magnetic recording medium and magnetic recording medium: To provide a substrate which is not substantially chipped or cracked on the substrate end faces even when the substrate is a silicon substrate made of a brittle material, and provide a substrate which prevents dust raising from the substrate end faces and prevents dust raising due to rubbing with... Agent: Sughrue Mion, PLLC

20080088974 - Head slider reducing probability of collision against recording medium and method of making the same: The head slider allows the first protection film having the first thickness to cover over the top surface of the rail. The second protection film having the first thickness covers over the surface of the insulating non-magnetic film at a position downstream of the rail. The third protection film having... Agent: Patrick G. Burns Greer, Burns & Crain, Ltd.

20080088975 - Method for forming an electrical interconnect to a spring layer in an integrated lead suspension: A method for forming an electrical interconnect to the spring metal layer in an integrated lead suspension or suspension component of the type having a multi-layer structure including a spring metal layer and a conductor layer separated by a dielectric insulator layer. The method includes forming an aperture through at... Agent: Faegre & Benson LLP Patent Docketing

20080088976 - Surface spacing using rigid spacers: An apparatus comprises a storage medium, a substrate separated from the storage medium by a gap, and a plurality of spacers defining a distance between the storage medium and the substrate, wherein the spacers include a curved end.... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20080088977 - Heat transfer for a hard-drive pre-amp: A substrate for mounting a preamp chip thereupon, fabricated using a stiffener layer made of a conductive material; an insulating layer provided over the circuitry area of the substrate; a circuitry made of a conductive material provided over the insulating layer; and a flap which is an extension of the... Agent: Sughrue Mion, PLLC

20080088978 - Heat transfer for a hard-drive wire-bond pre-amp: An actuator assembly for a hard disk drive having an actuator arm; a carrier plate of a thermally conductive material mounted onto the actuator arm; a circuitry substrate mounted onto the carrier plate, the substrate comprising a stiffener layer made of conductive material and electrical circuitry; a preamp wire-bond chip... Agent: Sughrue Mion, PLLC

20080088979 - Head slider including heater causing expansion of lower shielding layer: A head slider includes upper and lower shielding layers embedded in an insulating non-magnetic film overlaid on the outflow end surface of a slider body. A magnetoresistive film is embedded between the lower and upper shielding layers. A heating wiring pattern is located at the back of the lower shielding... Agent: Patrick G. Burns Greer, Burns & Crain, Ltd.

20080088980 - Magnetoresistive element and magnetic memory: A magnetoresistive element includes a free layer which contains a magnetic material and has an fct crystal structure with a (001) plane oriented, the free layer having a magnetization which is perpendicular to a film plane and has a direction to be changeable by spin-polarized electrons, a first nonmagnetic layer... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080088981 - Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system: There is provided a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers to be controlled, and a magnetic head and magnetic recording and/or reproducing system using the same. Ina magnetoresistance effect element wherein a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080088982 - Emr sensor and transistor formed on the same substrate: Magnetic sensing chips and methods of fabricating the magnetic sensing chips are disclosed. A magnetic sensing chip as described herein includes an EMR sensor formed on a substrate from multiple semiconductor layers. One or more of the semiconductor layers form a quantum well comprising a two-dimensional electron gas (2DEG) or... Agent: Duft Bornsen & Fishman, LLP

20080088983 - Damping control in magnetic nano-elements using ultrathin damping layer: A layer system, a method for forming the layer system, and devices utilizing the layer system are provided. In one embodiment, the method includes providing a bilayer system comprised of a first layer including a first ferromagnetic material doped with a dopant material selected from one of a 4d transition... Agent: Patterson & Sheridan, L.L.P.

20080088984 - Pattern transfer with self-similar sacrificial mask layer and vector magnetic field sensor: A method is provided for producing a lithographic pattern using a mask that includes the same materials as the material to be etched, allowing the pattern to be transferred and the etch mask to be removed in one step. In accordance with features of the invention, the method includes building... Agent: Joan Pennington

20080088987 - Exchange-coupled film, method for making exchange-coupled film, and magnetic sensing element including exchange-coupled film: An exchange-coupled film includes a seed layer, an antiferromagnetic layer, and a ferromagnetic layer. The seed layer is formed at a thickness that is larger than the critical thickness, and the thickness of the seed layer is then decreased by etching so as to be smaller than or equal to... Agent: Brinks Hofer Gilson & Lione

20080088986 - Hafnium doped cap and free layer for mram device: A high performance MTJ, and a process for manufacturing it, are described. A capping layer of NiFeHf is used to getter oxygen out of the free layer, thereby increasing the sharpness of the free layer-tunneling layer interface. The free layer comprises two NiFe layers whose magnetostriction constants are of opposite... Agent: Stephen B. Ackerman

20080088985 - Magnetic head having cpp sensor with partially milled stripe height: A magnetic head including a CPP read head sensor. The CPP sensor includes a layered sensor stack including a free magnetic layer, a tunnel barrier layer, a pinned magnetic layer and an antiferromagnetic layer. An ion milling process is used to perform a partial depth material removal to establish the... Agent: Intellectual Property Law Offices

20080084627 - Exchange-bias based multi-state magnetic memory and logic devices and magnetically stabilized magnetic storage: Magnetic materials and methods for using ferromagnetic and antiferromagnetic coupling and exchange bias for binary and multistate magnetic memory device.... Agent: Fish & Richardson, Pc

20080084628 - Head amplifier with a heat controller: Timely and proper flying height adjustment is achieved using a controller, which is designed for a magnetic recording and reproducing apparatus that does not use a magnetic head having a heating element for flying height adjustment without any modification. A head amplifier includes a write amplifier for applying a write... Agent: Oliff & Berridge, Plc

20080084629 - Write element before read element with early servo termination on write: Embodiments of the present invention provide a magnetic disk drive system in which the write element leads the read element in the tangential direction of rotation of the magnetic disk. In addition, the servo sector information is preferably arranged such that information that is not needed for write operation is... Agent: Townsend And Townsend And Crew LLP

20080084630 - Media cover for manufacturing a disk drive: A method is disclosed for manufacturing a disk drive. At least one disk is installed into a base, and a media cover is coupled to the base, wherein the media cover covers at least a portion of the disk. After installing the media cover, a head coupled to an actuator... Agent: Western Digital Technologies, Inc. Attn: Renee M. Quick

20080084631 - Apparatus and method for integral filter and bypass channel in a hard disk drive: Embodiments of the present invention are directed to an apparatus and method for guiding bypass reentry flow through filter integrated in a bypass channel sidewall in a hard disk drive. The method provides a bypass channel for directing airflow away from a first portion of a disk of the hard... Agent: Hitachi C/o Wagner Blecher LLP

20080084633 - Information recording media, method of manufacturing the information recording media, read/write head, and method of manufacturing the read/write head: An information recording medium, a method of manufacturing the information recording medium, a read/write head, and a method of manufacturing the read/write head are provided. The information recording medium includes magnetic recording layers formed of a ferromagnetic substance and electrical recording layers formed of a ferroelectric substance. The read/write head... Agent: Sughrue Mion, Pllc

20080084632 - Perpendicular magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus: A perpendicular magnetic recording medium having an even higher recording density, and a magnetic recording and reproducing apparatus which utilizes the perpendicular magnetic recording medium is provided. The perpendicular magnetic recording medium comprises at least a backing layer, an intermediate layer, a perpendicular magnetic recording film, and a protective film,... Agent: Sughrue Mion, Pllc

20080084634 - Devices and methods for storing data: Devices and methods are disclosed for storing data in manner that is readable and highly resistant to destruction. An exemplary data-storage device includes a medium; multiple, discrete, data-containable loci located in or on the medium; and an alignment restraint. Each data-containable locus includes magnetically responsive particles that are magnetically alignable... Agent: Klarquist Sparkman, LLP

20080084635 - Magnetic recording medium and method of manufacturing the same: Provided are a magnetic recording medium and a method of manufacturing the magnetic recording medium. The magnetic recording medium includes a substrate, a soft magnetic underlayer formed on the substrate, a texturing layer formed on the soft magnetic underlayer and including a uniform pattern, and a recording layer including magnetic... Agent: Sughrue Mion, Pllc

20080084636 - Method for increasing storage capacity and a transducer configuration incorporating the same: The present invention provides a method for increasing storage capacity of a disc drive by physically skewing a transducer in relation to a slider supporting the transducer. The physical skew angle of the transducer is configured to provide a predetermined zero skew position on the medium, which is capable of... Agent: Fish & Richardson Pc

20080084637 - Optimized design for a contact start-stop slider: A head that flies relative to a disk of a hard disk drive. The head includes a substrate that has a pole tip, and an air bearing surface that has at least one rail and a central pad. The air bearing surface also has a plurality of contact dot that... Agent: Irell & Manella LLP

20080084638 - Material selection for a suspension assembly: A suspension assembly is disclosed having a base, a load beam region and a spring region. The spring region is positioned between the base and the load beam region. The spring region includes a material having a ratio of modulus of elasticity to yield strength that is less than 100.... Agent: Seagate Technology Llc C/o Westman Champlin & Kelly, P.a.

20080080081 - Magnetic read/write head inspecting method: A method for inspecting a magnetic read/write head in which a magnetic recording part and a magnetic reproducing part are close to each other includes the steps of performing a magnetic recording operation with a load greater than a normal magnetic recording operation for the magnetic recording part, and inspecting... Agent: Kratz, Quintos & Hanson, LLP

20080080083 - Methods and systems for a reader/writer selectively positionable inside and outside a chassis: A computer system is provided, the computer system having a chassis that encloses a processor and a system memory. The computer system further comprises a reader/writer selectively positionable between a storage position inside the chassis and an operational position outside the chassis.... Agent: Hewlett Packard Company

20080080082 - Synchronization for data communication: Timing recovery and synchronization for data communication is utilized. A pilot sequence of signals can be selected to improve recovery of a phase offset and a frequency offset in a communication system. Sampling instances can further be adjusted based on pilot sequences within a user data portion.... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20080080084 - Information leak-preventing apparatus and information leak-preventing method: A password creating unit acquires medium information such as a serial number from an HDD, and creates a password according to an algorithm previously stored in an algorithm storing unit. A lock processing unit performs the process of lock and unlock of the HDD by using the created password.... Agent: Greer, Burns & Crain

20080080086 - Apparatus and method for detecting low flying sliders: A low flying slider detector is disclosed. In one embodiment a surface is provided. In addition, a suspender is provided for receiving and flying a slider above the surface. A detector is also provided for detecting a low flying slider flying above the surface wherein the detector does not require... Agent: Hitachi C/o Wagner Blecher LLP

20080080085 - Large shock particle mitigation: A system is capable of detecting a “large” shock. In contrast to just any shock, a large shock exceeds some threshold of magnitude or duration and may generate particles and/or the deposit of particles on a recording head, which can result in write errors. Responsive to detection of a large... Agent: Hensley Kim & Holzer, LLC

20080080087 - Seek control method, seek control device and medium storage device: In a seek control device based on a current observer control which performs two degree of freedom control, a current step difference to be generated when seek control is switched to following control is prevented. When seek control is switched to following control, a current step difference cancellation trajectory generation... Agent: Greer, Burns & Crain

20080080088 - Two degree of freedom position control method, two degree of freedom position control device, and medium storage device: In a position control device based on a current observer control for performing two degree of freedom control, calculation accuracy is improved using a fixed point processor. For a target position trajectory and position error, which are inputs of a two degree of freedom control system using an observer, relative... Agent: Greer, Burns & Crain

20080080090 - Manufacturing method for motor, and motor and disk drive apparatus: A sleeve portion is inserted into a hole portion of a base bracket on which an adhesive of heat cure type is applied while a rotor portion and a stator portion are retained by a position determining jig. Then, the sleeve portion is initially affixed to the base bracket by... Agent: Volentine & Whitt PLLC

20080080089 - Sealing an enclosure for a disk drive form factor: Embodiments of the present invention pertain to sealing an enclosure for a disk drive form factor. According to one embodiment, material is removed from a base casting for the disk drive form factor to enable insertion of a component. The removal of the material results in a portion of the... Agent: Hitachi C/o Wagner Blecher LLP

20080080092 - Data storage device using magnetic domain wall movement and method of operating the data storage device: Provided are a data storage device using magnetic domain wall movement and a method of operating the same. The data storage device includes a magnetic layer having a plurality of magnetic domains, a write head provided at an end portion of the magnetic layer, a read head to read data... Agent: Sughrue Mion, PLLC

20080080091 - Magnetic head and method of producing the same: The magnetic head is capable of controlling characteristics of hard films close to a read-element so as to suitably apply bias magnetic fields of the hard films to the read-element. The magnetic head basically comprises: a read-element; a lower shielding layer; insulating films respectively coating side faces of the read-element... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20080080093 - Magnetic recording medium and magnetic recording device: A magnetic recording medium according to the present invention includes a nonmagnetic base material, a soft magnetic under layer, an interlayer, a recording layer and a protective layer, which are stacked over the base material. The soft magnetic under layer is formed of a lower soft magnetic layer, a magnetic... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080080094 - Magnetic head slider and magnetic disk drive: Embodiments of the present invention help to prevent, in a magnetic head slider adapted to be able to control flying height of a head element, the occurrence of excessive frictional force, even in case of contact with a magnetic disk, and suppress vibration of the slider. According to one embodiment,... Agent: Townsend And Townsend And Crew LLP

20080080095 - Bearing positioning tool set: A bearing positioning tool set includes a grip having an inner end fixed with a combining rod with a combining hole. One or more positioning press blocks to be fitted with the grip are respectively formed with different diameters and bored with a central insert hole and respectively formed with... Agent: Hsin Fa Kang

20080080096 - Head slider supporting device and storage device: A head slider supporting device has one terminal connected to a magnetic head slider and the other terminal connected to a preamplifier IC. The head slider supporting device includes a supporting portion (flexure) that includes a conductor for supporting the magnetic head slider; an insulation portion that includes a dielectric... Agent: Greer, Burns & Crain

20080080098 - Magneto-resistance effect element, magnetic head, magnetic recording/reproducing device and magnetic memory: A magneto-resistance effect element includes: a first magnetization layer of which a magnetization is substantially fixed in one direction; a second magnetization layer of which a magnetization is rotated in accordance with an external magnetic field; an intermediate layer which contains insulating portions and magnetic metallic portions and which is... Agent: Nixon & Vanderhye, PC

20080080097 - Magnetoresistive element, method of manufacturing the same, and magnetic storage unit: A magnetoresistive element is disclosed that includes first and second terminals provided on first and second opposing surfaces, respectively, of a magnetoresistive film; the magnetoresistive film including a fixed magnetization layer, a non-magnetic metal layer, and a free magnetization layer stacked in this order from the first terminal side; and... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080080099 - Magnetic head and method of producing the same: The magnetic head is capable of effectively applying a bias magnetic field of a hard magnetic layer to the read-head so as to improve and stabilize detection performance. The magnetic head of the present invention comprises: a lower shielding layer; a read-element being formed on the lower shielding layer; an... Agent: Greer, Burns & Crain

20080080100 - Magnetic sensor and magnetic recording/reproducing apparatus: A magnetic sensor includes a magnetic oscillation element whose oscillation frequency changes depending on the magnitude of an external magnetic field, and an oscillation element provided in the vicinity of the magnetic oscillation element and oscillating at an oscillation frequency close to that of the magnetic oscillation element. The magnetic... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080080101 - Dual-layer free layer in a tunneling magnetoresistance (tmr) element: Tunneling magnetoresistive (TMR) elements and associated methods of fabrication are disclosed. In one embodiment, the TMR element includes a ferromagnetic pinned layer structure, a tunnel barrier layer, and a free layer having a dual-layer structure. In one embodiment, the free layer includes a first amorphous free layer and a second... Agent: Duft Bornsen & Fishman, LLP

20080080102 - Tunnel magnetoresistance element, magnetic head, and magnetic memory: A TMR element is provided which has a large MR ratio. The TMR element has a tunnel barrier layer formed between a magnetization fixed layer and a magnetization free layer, and a cap layer disposed on the magnetization free layer. The tunnel barrier layer is formed of an MgO film.... Agent: Westerman, Hattori, Daniels & Adrian, LLP