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Dynamic magnetic information storage or retrieval February patent applications/inventions, industry category 02/10

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
02/25/2010 > patent applications in patent subcategories. patent applications/inventions, industry category

20100046107 - Magnetic disk drive, servo writer, self-servo writer and methods for use therewith: A servo writer includes a servo data generation module that generates servo data corresponding to a plurality of servo wedges and a plurality of tracks of a disk, the servo data including track identification data that is repetition coded. A servo write module writes the servo data on the disk.... Agent: Garlick Harrison & Markison

20100046108 - Verification of a tape data storage cartridge: The provision of verification for data storage cartridges having data storage tape media employs determining the volume identity of a data storage cartridge; and providing an internal label at each block of data to be written to the data storage tape media of the data storage cartridge, the internal label... Agent: International Business Machines Corporation

20100046109 - Information storage apparatus and reproduction method: An information storage apparatus includes: a recording medium on which first information is recorded by a physical arrangement of magnetic bits and second information is recorded by magnetizing the magnetic bits; a first reproduction part that reads third information including the first information and the second information; an erasing part... Agent: Greer, Burns & Crain

20100046110 - Information processing apparatus and control method thereof: Disclosed is an information processing apparatus. The information processing apparatus includes a first hard disk drive, a conversion circuit and a signal control circuit. The conversion circuit is connected with the first hard disk drive to determine whether a second hard disk drive corresponding to a slave exists when the... Agent: Townsend And Townsend And Crew, LLP

20100046111 - Recording head and data recording and reproducing apparatus: There is provided a recording head 2 including a slider 20, a recording element 21 fixed to a side surface of the slider 20 on the side of an outflow end and having a main magnetic pole 32 and an auxiliary magnetic pole 30 which generate a recording magnetic field;... Agent: Bruce L Adams Esq Adams &wilks

20100046112 - Storage device, storage-device controlling method, and control circuit for storage device: A storage device includes: a head that reads and writes data stored in a storage medium; an arm that holds the head; a voice coil motor formed of a coil and a magnet, the voice coil motor that lets a current flow through the coil to move the arm; a... Agent: Greer, Burns & Crain

20100046113 - System and method for protecting removeable media playback devices: A mounting system for a media playback device is provided having an outer module for rigidly mounting the media playback device to a surface, and a corresponding cartridge which is capable of being inserted and removed from the outer module. While inserted in the outer module, a first mounting subsystem... Agent: Foley & Lardner LLP

20100046114 - Control flow instability to reduce disk flutter and half frequency whirl: To reduce the whirling air vortices which are normally formed at the disc tip, the outer edge of the disc surface may be gradually thinned down to a sharp tip. An alternative approach, the disc tip is gradually reduced in width and rounded at its outer edge. A flow obstruction... Agent: Wax Law Group

20100046116 - Magnetic recording medium and magnetic recording and reproducing device: The invention relates to a magnetic recording medium comprises a nonmagnetic substrate on which at least a soft magnetic under layer, an orientation adjusting layer that controls the orientation of a layer just thereon, a vertical magnetic layer with an axis of easy magnetization being mainly oriented vertically to the... Agent: Sughrue Mion, PLLC

20100046115 - Method and device for identifying the free fall: A method and a device are described for preventing damage to a device as the result of a free fall. First a free fall of the device is identified, and a measure is then taken to protect the device from damage. The free fall is identified by detecting the ambient... Agent: Kenyon & Kenyon LLP

20100046117 - Magnetic recording medium and method of producing the same: A magnetic recording medium includes a nonmagnetic support and a magnetic layer, and has a coefficient of dynamic friction, on the magnetic layer side surface, of 0.5 or larger as measured at a speed of 1 m/s relative to a sliding member of a magnetic head.... Agent: Sughrue-265550

20100046118 - Time-shifted bits for write synchronization correction: Systems and methods are provided for correcting write synchronization of a magnetic storage device with respect to magnetic storage media and its corresponding writable magnetic bits, or dots. In particular, these systems and methods involve using time-shifting principles to calibrate the magnetic storage devices to correct slow drifts of reader-writer... Agent: Seagate Technology Outside Counsel Dergosits & Noah LLP

20100046119 - Head slider, magnetic head slider and magnetic storage device: A head slider includes a base surface extending in a first direction and a second direction orthogonal to the first direction, a pair of side pads that are spaced apart from each other in the second direction on the base surface and have air bearing faces of a predetermined height... Agent: Greer, Burns & Crain

20100046120 - Write head with integrated coil and shield structure: Disk drive systems and associated methods of fabrication are disclosed for a write head having an integrated coil and shield structure. The write head includes a write pole having a pole tip adjacent to an air bearing surface, and a return pole having a surface adjacent to the air bearing... Agent: Duft Bornsen & Fishman, LLP

20100046121 - Cpp magnetoresistive head: According to one embodiment, a CPP magnetoresistive head includes a magnetoresistive film comprising a free layer above a non-magnetic intermediate layer and a fixed layer below the non-magnetic intermediate layer, wherein the magnetoresistive film is between a lower magnetic shield layer and an upper magnetic shield layer. The CPP magnetoresistive... Agent: Zilka-kotab, PC- Hit

  
02/18/2010 > patent applications in patent subcategories. patent applications/inventions, industry category

20100039725 - Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium: A magnetic storage apparatus has a reproducing head to reproduce information from a perpendicular magnetic recording medium that is recorded with servo information, eccentricity correction data and read/write data. The apparatus further has a filter part to filter a reproduced output of the reproducing head by filtering the servo information... Agent: Greer, Burns & Crain

20100039724 - Magnetic recording medium: In order to provide a magnetic recording medium having excellent electromagnetic conversion characteristics, a magnetic recording medium (10) is provided with a substrate (12), and a magnetic recording layer (20) formed on the substrate (12). The magnetic recording layer (20) is provided with a granular layer (32), i.e., a magnetic... Agent: Sughrue Mion, PLLC

20100039726 - Managing data storage media and multiple cartridge memories of a data storage cartridge: A data storage cartridge comprises data storage media configured to store data for read and/or write access, wherein the data may be arranged in a plurality of partitions; and a plurality of cartridge memories. A control system, for example of a data storage drive, is configured to allocate at least... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.

20100039727 - E-beam write for high-precision dot placement: A recording system for magnetic storage devices, including a beam column for generating a beam, a platform for moving a magnetic storage medium relative to the beam, and a signal generator for sequentially, or in a continuously alternating manner, deflecting the beam. In turn, the beam is directed according to... Agent: Seagate Technology Outside Counsel Dergosits & Noah LLP

20100039728 - Method of detecting position of head and storage apparatus: A relative movement is induced between a head and first and second recording tracks along the boundary between the first recording track and the second recording track. The first recording track includes first magnetic dots arranged in the down-track direction at constant intervals. The second recording track includes second magnetic... Agent: Greer, Burns & Crain

20100039730 - Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproducing apparatus: The present invention provides a magnetic recording medium which is capable of improving the perpendicular orientation of a perpendicular magnetic recording layer while maintaining a writing performance during recording and obtaining both an improvement in the perpendicular orientation and fine magnetic crystal particles with a uniform diameter, and which enables... Agent: Sughrue Mion, PLLC

20100039729 - Package with integrated magnets for electromagnetically-actuated probe-storage device: A packaged memory device for storing information comprises a stack, a package lid, a first magnet structure fixedly connected to the package lid, a package body and a second magnet structure connected with the package body. The stack includes a tip substrate, a cap, and a media arranged between the... Agent: Fliesler Meyer LLP

20100039731 - Apparatus, system, and method for overcoming stiction in a magnetic tape device: Various embodiments of an apparatus, system, and method are disclosed for reducing stiction in a magnetic tape device. For example, according to one representative embodiment, a magnetic head assembly for reducing stiction includes a magnetic head that is communicable in data exchange communication with tape in contact with the magnetic... Agent: Kunzler & Mckenzie

20100039732 - Abs design for dynamic flying height (dfh) applications: A DFH (Dynamic Flying Height) type slider ABS design has a stable flying height and a DFH efficiency that is uniform across the entire disk surface. These properties are a result of embedding the read/write head and heater in a trapezoidally bridged micro-pad having a very small surface area. The... Agent: Saile Ackerman LLC

20100039733 - Integrated pivot-carriage: An integrated pivot-carriage for a hard-disk drive. The integrated pivot-carriage includes a carriage having a center-bore with an integrated bearing-spacer portion. The integrated pivot-carriage also includes a pivot-shaft configured to provide support for rotation of the carriage. The pivot-shaft is disposed within the center-bore of the carriage. In addition, the... Agent: Hitachi C/o Wagner Blecher LLP

20100039734 - Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers: A thin film magnetic head includes a magneto-resistance (MR) laminated body, a lower shield layer and an upper shield layer that face the first MR magnetic layer. The lower and upper shield layers respectively have first and second exchange coupling magnetic field application layers and first and second antiferromagnetic layers.... Agent: Posz Law Group, PLC

  
02/11/2010 > patent applications in patent subcategories. patent applications/inventions, industry category

20100033861 - Error burst detection and amelioration: A method according to one embodiment includes monitoring a data transfer operation for detecting temporary errors; determining whether art error burst has occurred based on the monitoring; if an error burst has occurred, altering a condition of the data transfer operation; monitoring the data transfer operation having the altered condition... Agent: Zilka-kotab, PC- Ibm

20100033862 - Inspection apparatus and inspection method of magnetic disk or magnetic head: The present invention provides a technique for converting burst data to digital data, applying FFT operation to 2n (n is an integer) pieces of digital data in response to any start signal synchronized with a sector signal, applying a window function centered around data corresponding to a frequency of a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100033860 - Proximity detection method for magnetic head and recording medium: Touchdown is detected between an R/W head and disk by determining the variance in the frequency domain of a baseline position error signal (PES) and a PES measured after incrementally increasing the DFH control signal. To quantify the variance in the frequency domain, a discrete Fourier transform of the baseline... Agent: Patterson & Sheridan, L.L.P.

20100033863 - Cartridge refresh and verify: A method according to one embodiment of the present invention includes receiving an instruction to perform a verification operation on a media cartridge having a tape wrapped around a spool; unwrapping at least some of the tape from the spool of the media cartridge; after the unwrapping, wrapping at least... Agent: Zilka-kotab, PC- Ibm

20100033864 - Methods of forming and reading servo track and data storage apparatus: A method of forming a servo track on a recording medium includes; forming a magnetic layer, defining a first servo track region having a plurality of first magnetic segments and a second servo track region having a second plurality of magnetic segments in the magnetic layer, applying a first magnetic... Agent: Volentine & Whitt PLLC

20100033865 - Magnetic recording method and magnetic recording apparatus: One purpose of the invention according to one embodiment is to provide a magnetic recording apparatus of high recording density in which magnetization transition curvature amount of a recording pattern is small. In one embodiment, the center of a heating area is arranged at a track edge side of a... Agent: Zilka-kotab, PC- Hit

20100033867 - Magnetic storage medium and magnetic recording device: A patterned media type magnetic storage medium has separated magnetic dots formed a data area having a first magnetic dots and a servo area. The micro position detection portion in the servo area is constructed with first and second dot arrays having a different number of second magnetic dots in... Agent: Greer, Burns & Crain

20100033868 - Method for writing servo patterns and disk drive including a controller for writing servo patterns according to the method: A method for writing servo patterns onto a disk of a disk drive. The method includes providing a plurality of different drive currents for an actuator while pushing the actuator into a crash stop defining a swing range of the actuator. The method also includes performing a write operation for... Agent: Hitachi C/o Wagner Blecher LLP

20100033866 - Multi-speed storage device: Various embodiments of the present invention are generally directed to adjusting a fly height of a transducer to enable a first data access with a storage medium rotating at a first speed, rotating the storage medium at a second speed substantially different from the first speed, and adjusting the fly... Agent: Fellers, Snider, Blankenship, Bailey & Tippens, PC (seagate Technology LLC)

20100033869 - Apparatus and method for writing data on a tape medium: An apparatus and method are disclosed for writing data accumulated in a buffer on a tape medium in such a way that overwriting is prevented. The apparatus comprises a write unit configured for writing first data in a first position extending over a first track and an area adjacent to... Agent: Ibm Corporation

20100033870 - Fluid dynamic bearing, motor, and recording disk drive apparatus: Channels and gaps inside a bearing mechanism are filled with lubricating oil, and the lubricating oil is retained in a first tapered seal portion arranged radially outward of a sleeve, and a second tapered seal portion arranged between the shaft and an upper cap placed above the sleeve. An arrangement... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20100033871 - Bi-directional magnetic recording head built on a common substrate: The aspects of the present invention provide a magnetic recording head, a method for manufacturing a magnetic recording head, and a magnetic recording head drive. The magnetic recording head includes a substrate and a first magnetic device connected to the substrate. The magnetic recording head also includes a second magnetic... Agent: Brooks Kushman P.C. / Sun / Stk

20100033873 - Magnetic recording medium, method of manufacturing magnetic recording medium and magnetic recording reproducing apparatus: In a perpendicular magnetic recording medium in which at least a soft magnetic underlayer, an orientation control layer, a magnetic recording layer and a protective layer are formed on a non-magnetic substrate in order from the bottom, the orientation control layer has a laminated structure of two or more layers... Agent: Sughrue Mion, PLLC

20100033872 - Patterned media bits with cladding shell: A bit patterned media (BPM) includes many magnetic dots arranged in tracks on a substrate. The magnetic dots each have a hard magnetic core, a soft magnetic cladding surrounding the core and a thin non-magnetic layer that separates the hard magnetic core from the soft magnetic ring. The soft magnetic... Agent: Seagate Technology Outside Counsel Dergosits & Noah LLP

20100033874 - Method of correcting head suspension, method of manufacturing head suspension, head suspension and method of processing thin plate: A method corrects a head suspension by irradiating an objective part of the head suspension with a laser beam before or after mounting a read/write head on the head suspension. The method can precisely correct the head suspension even when correcting the head suspension a plurality of times. The method... Agent: Jordan And Hamburg LLP

20100033875 - Suspension board with circuit: A suspension board with circuit includes a metal supporting board extending in a longitudinal direction, an insulating layer formed on the metal supporting board, and a conductive pattern formed on the insulating layer. In the suspension board with circuit, a magnetic-head mounting region where a slider with a magnetic head... Agent: Akerman Senterfitt

20100033876 - Method of manufacturing head suspension and head suspension: A head suspension 15 includes a base plate 27, a load bend 35, a load beam 37, a flexure 39, and a slider 25 that are assembled together through several processes including a pressing process. In such a head suspension 15 that is a finished product in a conventional sense,... Agent: Jordan And Hamburg LLP

20100033877 - Aligning device, aligning method, and computer product: An aligning device includes a recognizing unit and a determining unit. The recognizing unit recognizes an intersection formed by two straight lines not parallel to each other among a plurality of straight lines of a register mark. The determining unit determines a position based on the recognized intersection. The register... Agent: Greer, Burns & Crain

20100033878 - Tunnel magnetoresistive thin film and magnetic multilayer formation apparatus:

20100033879 - Perpendicular magnetic head and magnetic recording system: A perpendicular magnetic head for writing information on a magnetic recording medium comprises an ABS, a coil for generating a magnetic flux, a magnetic pole layer, a magnetic shield layer, and a gap layer disposed between the magnetic pole layer and the magnetic shield layer. Further the magnetic head has... Agent: Posz Law Group, PLC

20100033880 - Multi-bit stram memory cells: A multi-bit spin torque magnetic element that has a ferromagnetic pinned layer having a pinned magnetization orientation, a non-magnetic layer, and a ferromagnetic free layer having a magnetization orientation switchable among at least four directions, the at least four directions being defined by a physical shape of the free layer.... Agent: Campbell Nelson Whipps, LLC

20100033881 - Magnetic field sensing system using spin-torque diode effect: A magnetic field sensing system with a current-perpendicular-to-the-plane (CPP) sensor, like that used for giant magnetoresistive (GMR) and tunneling magnetoresistive (TMR) spin-valve (SV) sensors, operates in a mode different from conventional GMR-SV and TMR-SV systems. An alternating-current (AC) source operates at a fixed selected frequency and directs AC perpendicularly through... Agent: Thomas R. Berthold

  
02/04/2010 > patent applications in patent subcategories. patent applications/inventions, industry category

20100027147 - Low power consumption storage array: Disclosed is a low power consumption storage array. Read and write cycles are separated so that a multiple disk array can be spun down during periods when there are no write requests. Cooling fans are operated with a pulse-width modulated signal in response to cooling demand to further reduce energy... Agent: Cochran Freund & Young LLC Lsi Corporation

20100027150 - Magnetic storage apparatus and method for testing thereof: According to an aspect of the embodiment, a MCU divides a target track into recording areas on magnetic disks, assigns the recording areas to the magnetic heads, and performs write control during one rotation of the magnetic disks so that the magnetic heads write data in the recording areas assigned... Agent: Greer, Burns & Crain

20100027149 - Oscillation test for off track write: An enhanced oscillation test for detecting off track writing associated with a read/write head writing, on a magnetic media, a measurement track. Once the measurement track is written, a series of seek, write, and read operations is performed, e.g., between various origin tracks and the tracks adjacent to the measurement... Agent: Hitachi C/o Wagner Blecher LLP

20100027148 - Triple track test for side erase band width and side erase amplitude loss of a recording head: A triple track test for determining respective erase band widths associated with a read/write head involves writing first and second data tracks in each direction and at a certain distance from an origin, and erasing a track having a center at the origin. Based on a triple track test profile... Agent: Hitachi C/o Wagner Blecher LLP

20100027151 - Secure data disposal for disk drive: When a disk sector is written to, a bit for the sector is set indicating that the sector will require secure data disposal (SDD) to be run on it. To save time during end of life disposal, SDD is executed only on sectors whose bits indicate that they have been... Agent: Rogitz & Associates

20100027154 - Flying height control device for magnetic head and magnetic disk device: A floating amount of the magnetic head is controlled. The disk device has a temperature or humidity sensor and a controller. The controller monitors the detected temperature or humidity and retracts the magnetic head to an area where the circumferential speed is fastest, such as at the outermost side of... Agent: Greer, Burns & Crain

20100027155 - Magnetic disk apparatus and method for controlling projecting amount of magnetic head: A magnetic disk apparatus includes a magnetic disk, and a magnetic head facing the magnetic disk. The magnetic disk apparatus also includes a thermal deforming member and a thermal deformation controller. The thermal deforming member is provided in the magnetic head for thermally deforming the magnetic head to change the... Agent: Greer, Burns & Crain

20100027157 - Magnetic storage apparatus, and controlling method thereof: According to an aspect of the embodiment, an MPU obtains, as a first gain value from a RDC, a gain value of a servo signal when data is read from a magnetic storage medium, and obtains, as a second gain value from the RDC, the gain value of the servo... Agent: Greer, Burns & Crain

20100027156 - Recording medium driving device: A magnetic disk device includes a VCM coil that controls the movement of a head for recording or reproducing information onto and from a rotating magnetic disk, and an airflow guiding unit that guides an airflow occurring by the rotation of the magnetic disk toward the VCM coil when the... Agent: Greer, Burns & Crain

20100027152 - System, method and apparatus for direct head-disk clearance measurement by slider vibration and fly height calibration: A method models and calibrates the fly height of a slider above the disk for disk drives. The calibration scheme uses the Wallace spacing loss equation and laser doppler velocimetry to predict fly height and detect the actual fly height of the slider. The slider is vibrated at selected resonances,... Agent: Larson Newman & Abel, LLP

20100027153 - Thin film planar arbitrary gap pattern magnetic head: Planar magnetic heads and methods of making the same using a built-up approach and thru-hole via technology to achieve a true planar head. A head may comprise a substrate having conductive thru-hole vias extending therethrough, a first magnetic layer deposited and patterned on the substrate, a first insulation layer deposited... Agent: Dorsey & Whitney LLP Intellectual Property Department

20100027158 - Magnetic head for high-frequency field assist recording and magnetic recording apparatus using magnetic head for high-frequency field assist recording: A magnetic recording head includes: a magnetic pole; a magnetic shield forming a magnetic circuit with the magnetic pole; and a spin torque oscillator provided between the magnetic pole and the magnetic shield, and formed with a stack structure including a first magnetic layer, a second magnetic layer, and an... Agent: Nixon & Vanderhye, PC

20100027159 - Magazine-based data cartridge library: The present invention provides a magazine-based data cartridge library that, in one embodiment, comprises a plurality of shelves that are capable of holding a plurality of data cartridge magazines, one or more drives, a magazine transport for moving magazines within the cabinet, and a cartridge transport for moving data cartridges... Agent: Spectra Logic Corporation

20100027160 - Disk drive including a shroud for removing debris from a head-slider: A disk drive. The disk drive includes a head-slider, an actuator, a ramp and a shroud. The head-slider is configured to fly above the disk. The actuator is configured to support the head-slider and to swing about a pivot shaft to move the head-slider in a radial direction of the... Agent: Hitachi C/o Wagner Blecher LLP

20100027161 - Magnetic recording apparatus: A magnetic recording apparatus includes a magnetic recording head having a magnetic pole and a spin torque oscillator, the spin torque oscillator being placed adjacent to the magnetic pole and includes at least two magnetic layers of a first magnetic layer and a second magnetic layer, and a magnetic recording... Agent: Charles N.j. Ruggiero, Esq. Ohlandt , Greeley, Ruggiero & Perle, L.L.P.

20100027162 - Method to reduce sensitivity of a perpendicular recording head to external fields: In a read-write head, the shields can serve as magnetic flux conductors for external fields, so that they direct a certain amount of flux into the recording medium. This problem has been overcome by the addition to the shields of a pair of tabs located at the edges closest to... Agent: Saile Ackerman LLC

20100027163 - Magnetic recording head having reinforcing islands: A method for protecting a thin film structure including fabricating a plurality of island structures in a recording gap of a magnetic recording head, exposing a substantial portion of the plurality of island structures by removing at least a portion of the surrounding recording gap material via at least one... Agent: Ibm Corporation (accsp) C/o Suiter Swantz PC Llo

20100027164 - Magnetic media formed by a thin planar arbitrary gap pattern magnetic head: Magnetic media made using planar magnetic heads. A head may comprise a substrate having conductive thru-hole vias extending therethrough, a first magnetic layer deposited and patterned on the substrate, a first insulation layer deposited and patterned on the first magnetic layer, a conductive coil layer deposited and patterned on the... Agent: Dorsey & Whitney LLP Intellectual Property Department

20100027165 - Symmetrically tapered constrained layer damper for a flex cable assembly for a hard disk drive: A flex cable assembly for a head stack assembly of a hard disk drive comprises a flex cable for conducting data signals from the head stack assembly to a connector. The flex cable has a dynamic loop section between a termination for the head stack assembly and the connector. The... Agent: Hitachi C/o Wagner Blecher LLP

20100027166 - Reducing flex cable oscillation: A method of reducing oscillation at the read write element of a hard disk drive, is described. In one embodiment, a flex cable for conducing data signals from a head stack assembly to a connector is provided. One or more weights are then coupled with the flex cable at one... Agent: Hitachi C/o Wagner Blecher LLP

20100027167 - Current perpendicular to plane magnetoresistance read head design using a current confinement structure proximal to an air bearing surface: A current to perpendicular to plane (CPP) magnetoresistance (MR) read head using current confinement proximal to an air bearing surface (ABS) is disclosed. A CPP MR read head includes a first shield, an MR sensor formed on the first shield, and a second shield contacting the MR sensor proximal to... Agent: Duft Bornsen & Fishman, LLP

20100027168 - Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers: A thin film magnetic head comprise an MR laminated body composed of a first and second MR magnetic layers, first and second shield layers, and a bias magnetic field application layer provided on an opposite side of an air bearing surface (ABS) of the MR laminated body in order to... Agent: Posz Law Group, PLC

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