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Dynamic magnetic information storage or retrieval March listing by industry category 03/09

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.
  
03/26/2009 > patent applications in patent subcategories. listing by industry category

20090080100 - Disk drive device and method for determining data track format of the disk drive device: Embodiments of the present invention help to improve the capacity and the performance of a disk drive device. According to one embodiment, a data track pitch is set to each recording surface. The recording surfaces are divided into bands. A hard disk drive (HDD) sequentially moves a head to an... Agent: Townsend And Townsend And Crew LLP

20090080101 - Signal generator with adjustable frequency: Frequency of an oscillating signal is temporarily adjusted to adjust frequency and/or phase of an output signal. For example, the frequency of the oscillating signal may be adjusted for a very short period of time to adjust the phase of the output signal. In addition, the frequency of the oscillating... Agent: Qualcomm Incorporated

20090080102 - Media player with acceleration protection: An improved media player and a method for operating a portable computing device (e.g., media player) are disclosed. According to one aspect, a portable computing device is able to protect its disk drive when being subjected to undesired levels of acceleration. The portable computing device protects its disk drive by... Agent: Beyer Law Group LLP/apple Inc.

20090080103 - Storage device and seek control method: A storage device includes a storage unit, a timer unit and a bias current applying unit. The storage unit stores, in advance, a value of a waiting time until application of a bias current to the driving unit to eliminate an external force applied to an actuator after completion of... Agent: Greer, Burns & Crain

20090080104 - Information storage apparatus for determining stability: According to an aspect of an embodiment, a storage apparatus has a head for writing data into or reading data from a medium, an actuator for moving the head and a controller for applying a driving current to the actuator so as to move the head to a target position... Agent: Greer, Burns & Crain

20090080106 - Magnetic head and magnetic recording device: It is made possible to restrict the variation of the oscillation frequency of a spin torque oscillator placed in the vicinity of the recording magnetic pole. A magnetic head includes: a recording magnetic pole to generate a recording magnetic field; a spin torque oscillator formed in the vicinity of the... Agent: Nixon & Vanderhye, PC

20090080105 - Magnetic recording head and magnetic recording device: It is made possible to provide a magnetic head that can stabilize the high-frequency magnetic field generated from the spin torque oscillator. A magnetic head includes: first and second main magnetic poles; and a spin torque oscillator provided between the first and second main magnetic poles.... Agent: Nixon & Vanderhye, PC

20090080107 - Method of controlling movements of a position of a microscanner: The invention relates to a method of controlling movements of a positioner of a micro-scanner, the method comprising: determining the vibration resonance frequency ranges of the positioner, and performing a main scan by a controlled movement of the positioner.... Agent: Ibm Corporation (swp)

20090080108 - Method for writing a servo pattern in tape: A tape has a component of magnetization pointing out of a plane of the tape. To write a pulse of a servo pattern to the tape, the tape is passed over a write head with a conventional write gap. Current having a fixed polarity is provided to the write head.... Agent: Brooks Kushman P.C. / Sun / Stk

20090080109 - Magnetic recording device: A magnetic recording device includes: a magnetic recording medium containing a plurality of recording layers; a magnetic recording head for conducting magnetic writing of information in the magnetic recording medium; and a magnetic reproducing head for conducting magnetic reading out of the information from the magnetic recording medium; wherein the... Agent: Nixon & Vanderhye, PC

20090080110 - Perpendicular recording magnetic media with imbalanced magnetic moment multilayer cap structure: A perpendicular magnetic recording media is provided having an imbalanced magnetic moment multilayer cap. The perpendicular magnetic recording media comprises a granular layer, and a multilayer cap structure exchange coupled to the granular layer. The multilayer cap structure includes upper and lower magnetic layers separated by a non-magnetic layer, where... Agent: Duft Bornsen & Fishman, LLP

20090080111 - Bonded structure and method of making the same, head gimbal assembly, head stack assembly and disk drive unit using the same: The present bonded structure uses metal ball to bond or weld the respective bonding surfaces of electrical pads which are arranged to face the same direction. The structure can be controlled visually and thus enables a high connection quality of no short circuit. In addition, the bonding operation of the... Agent: Nixon & Vanderhye, PC

20090080112 - Hard disk drive mounting method, magnetic block and clamp dedicated for the method: The method of the present invention for assembling a hard disk drive includes the following steps: 1) Position a head stack assembly onto a fixture; 2) position a magnetic block assembly onto the fixture; and 3) move the magnetic block assembly horizontally, making an upper and a lower magnetic blocks... Agent: EagleIPLimited

20090080113 - Vision guided system and method for micro-scale flex cable/integrated lead suspension solder pad positioning in hdd assembling process: An apparatus for positioning a component relative to an associated component. The apparatus includes a component receiver and onto which the component is disposed. The apparatus also includes an associated component receiver and onto which the associated component is disposed. The component receiver orients the component into a position for... Agent: Hitachi C/o Wagner Blecher LLP

20090080114 - Head gimbal assembly, flexible printed cable, head stack assembly, and disk drive unit with the same: A head gimbal assembly comprises a micro-actuator and a suspension. The suspension provides a single channel electrically connecting a bonding terminal of the suspension with the micro-actuator for controlling the movement of the micro-actuator. Thus the head gimbal assembly has a simple layout of a single channel to control the... Agent: Nixon & Vanderhye, PC

20090080115 - Vcm driver and pwm amplifier: The present invention provides a VCM driver realizing low power consumption and high accuracy and a PWM amplifier compensating a dead time distortion. A phase compensator, a ΔS modulator receiving an output signal of the phase compensator and converting the output signal to a control code of predetermined bits, a... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090080117 - Magnetic disk apparatus: A head support mechanism includes a head to read/write information, and an actuator for moving the head. Flanges are provided on opposite sides of a load beam of the head support mechanism, and at least one recessed portion is provided on the load beam. A thickness of the load beam... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090080116 - Microactuator,head gimbal assembly, and magnetic disk drive: Embodiments of the present invention help to suppress reduction of the operation quantity of a microactuator. According to one embodiment, a microactuator comprises a silicon substrate and a piezoelectric element. The silicon substrate has some rigidity and provides elastic counter force to the piezoelectric element. In the piezoelectric element a... Agent: Townsend And Townsend And Crew LLP

20090080118 - Emr sensor with integrated signal amplification: A Lorentz magnetoresistive sensor having integrated signal amplification. The sensor is constructed upon a substrate such as a semiconductor material, and an amplification circuit such as transistor is constructed directly into the substrate on which the magnetoresistive device is constructed. This integrated signal amplification greatly enhances sensor performance by eliminating... Agent: Zilka-kotab, PC- Hit

20090080119 - Head slider, and method for manufacturing head slider: According to an aspect of an embodiment, a head slider includes: a slider substrate; and an operating unit arranged on the slider substrate, the operating unit having a pair of electrodes and a piezoelectric component arranged between the pair of electrodes, the pair of electrodes being constituted by a first... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090080120 - Magnetic head and magnetic recording device: It is made possible to provide a magnetic head that generates a sufficient high-frequency magnetic field for assisting recording operations, and a magnetic recording device that includes the magnetic head. A magnetic head includes: a recording magnetic pole; a return yoke magnetically coupled to the recording magnetic pole; and at... Agent: Nixon & Vanderhye, PC

20090080121 - Methods for substrate biasing for mr devices: A method for setting a voltage (Vsub) of a substrate to about a voltage (Vshield) of a shield of at least one reader formed above the substrate is presented in one embodiment. The method includes passing an MR bias current through each MR sensor of at least one reader formed... Agent: Zilka-kotab, PC- Ibm

20090080122 - Current perpendicular to plane gmr and tmr sensors with improved magnetic properties using ru/si seed layers: A magnetoresisive sensor having a thin seed layer that provides an exceptionally smooth interface between layers of the sensor stack. The exceptionally smooth interface provided by the seed layer reduces interlayer exchange coupling allowing the non-magnetic spacer layer (or barrier layer) to be very thin. The seed layer includes a... Agent: Zilka-kotab, PC- Hit

20090080123 - Magnetoresistance effect element and magnetoresistive device: The high quality magnetoresistance effect element is capable of reducing resistance in the perpendicular-plane direction and preventing performance deterioration of a barrier layer. The magnetoresistance effect element comprises: a free layer; a pinned magnetic layer; and a barrier layer being provided between the free layer and the pinned magnetic layer,... Agent: Greer, Burns & Crain

20090080125 - Magnetic head: A magnetic head is configured to include a free layer having a magnetization direction which is rotatable depending on an external field, a reference layer arranged parallel to the free layer and magnetically isolated from the free layer, and a pinned layer arranged parallel to the reference layer. The pinned... Agent: Greer, Burns & Crain

20090080124 - Magnetoresistive element and magnetoresistive random access memory including the same: A magnetoresistive element includes: a first magnetization reference layer having magnetization perpendicular to a film plane, a direction of the magnetization being invariable in one direction; a magnetization free layer having magnetization perpendicular to the film plane, a direction of the magnetization being variable; a first intermediate layer provided between... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

  
03/19/2009 > patent applications in patent subcategories. listing by industry category

20090073593 - Master carrier for magnetic transfer, magnetic transfer method and magnetic recording medium: A master carrier for magnetic transfer includes a transfer portion on which a magnetic layer corresponding to magnetic information for transfer is formed, and a non-transfer portion forming a concave shape relatively low with respect to the transfer portion having the magnetic layer, wherein the magnetic layer of the transfer... Agent: Sughrue Mion, PLLC

20090073594 - Disk drive device manufacturing method thereof, and method for specifying data track pitch for the disk drive device: Embodiments of the present invention help to increase the capacity and the reliability of a disk drive device to improve the manufacturing yield thereof. An embodiment of the present invention sets a data track pitch for each head slider (recording surface) in accordance with head characteristics. This method for specifying... Agent: Townsend And Townsend And Crew LLP

20090073595 - Method and apparatus for editing mass multimedia data: A method and apparatus for editing multimedia data stored in a disk. The method generates a Block Allocation Table (BAT) in the disk, wherein the BAT records a connection relationship between each of blocks based on a connection relationship between each of data stored in the respective blocks generated by... Agent: Stein, Mcewen & Bui, LLP

20090073596 - Hydrodynamic bearing device, and spindle motor and information processing apparatus equipped with the same: A hydrodynamic bearing device comprises a sleeve composed of a sintered member, a shaft that is inserted in a state of being capable of relative rotation into a bearing hole provided to the sleeve, and a hydrodynamic groove formed in the outer peripheral surface of the shaft and/or the inner... Agent: Wenderoth, Lind & Ponack L.L.P.

20090073597 - Magnetic head slider: Embodiments of the present invention provide a magnetic head slider capable of reducing thermal protrusion attributable to a heating mechanism for heat-assisted recording. According to one embodiment, a magnetic head slider for heat-assisted recording includes an insulating film formed on an end surface of a slider, and a read element,... Agent: Townsend And Townsend And Crew LLP

20090073598 - Disc drive: A disk drive includes a motor that generates rotational force and a drive shaft support for clamping a disk thereon by contacting with the disk and for turning the disk thereon by the rotational force. The drive shaft support includes at least one output terminal for outputting an electrical signal.... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090073599 - Perpendicular magnetic recording medium and magnetic recording and reproducing apparatus using the same: Embodiments of the present invention provide a perpendicular magnetic recording medium suitable for high density recording. According to one embodiment, a magnetic recording layer comprises four layers in which a first magnetic layer, a magnetic coupling layer, a second magnetic layer, and a third magnetic layer are formed above a... Agent: Townsend And Townsend And Crew LLP

20090073601 - Magnetic disk drive and control method thereof: Embodiments of the present invention provide a magnetic disk drive capable of easily suppressing degradation of position error caused by disturbance resulting from vibration from the outside. According to one embodiment, the magnetic disk drive acquires, during a period of time of track following control, data necessary for determining a... Agent: Townsend And Townsend And Crew LLP

20090073600 - Positioning control system and positioning control method: There is provided with a positioning control system including: a head moving unit; a position detecting unit detecting a head position at predetermined time intervals; an error detecting unit detecting a position error of the head for a target position; a disturbance detecting unit detecting a non-periodic disturbance; a modifying... Agent: Amin, Turocy & Calvin, LLP

20090073602 - Servo information writing method, magnetic head tester and magnetic disk tester using the servo information writing method: A mark information is recorded in an area which is on a circumference of a magnetic disk corresponding to a last track in which a servo information write is ended or a track, which is one or two in front of the last track in which servo information is not... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090073604 - Distributed servo patterns for data storage media: The invention is directed to a data storage medium that includes a plurality of servo bands distributed across the data storage medium and a plurality of data tracks positioned between each of the plurality of distributed servo bands. The data storage medium comprises a servo band pitch of less than... Agent: Attention: Eric D. Levinson Imation Corp.

20090073603 - Tape heads for use with multiple tape formats: A magnetic head according to one embodiment includes an array of elements, the elements being selected from a group consisting of data readers, data writers, and combinations thereof, wherein a first subset of the elements is operable for reading or writing data in a first tape format, wherein a second... Agent: Zilka-kotab, PC- Ibm

20090073606 - Airflow diverter plate in a data storage device: A data storage medium has a spinning outer diameter that generates a flow stream. A hub joins to actuator arms that are separated by a slot. The outer diameter and the flow stream pass through the slot. A support plate projects from the hub into the slot and faces in... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20090073605 - Bi-directional debris sweeping profile: A bidirectional disc sweep routine accelerates the transducer in a storage device from a first predefined radius toward the inner radius to a second predefined radius, and accelerates the transducer from a third predefined radius toward the outer radius to a fourth predefined radius.... Agent: Fellers, Snider, Blankenship, Bailey & Tippens, PC (seagate Technology LLC)

20090073607 - Reduction in particle rebound off of component surfaces: An enclosure system includes an enclosure and at least one rotating storage medium positioned within the enclosure. The enclosure has a corresponding airflow contaminated with particles. An impact absorbing material is deposited on at least one component in the enclosure and positioned within and traversely to the airflow. The impact... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20090073608 - Perpendicular magnetic recording head: Embodiments of the present invention provide a perpendicular magnetic recording head suitable for high density recording that suppresses erasure after recording by reducing the remanent magnetization Mr of the main magnetic pole and thereby decreasing the squareness S. Accordingly to one embodiment, a main magnetic pole piece of a perpendicular... Agent: Townsend And Townsend And Crew LLP

20090073609 - Tape-based data storage system capable of reading and/or writing multiple error correctable sets of data: A tape-based data storage system according to one embodiment includes a head having an array of channels for writing a set of data tracks on a magnetic tape; wherein data to be written on the magnetic tape in a given pass of the tape relative to the head is parsed... Agent: Zilka-kotab, PC- Ibm

20090073610 - Magnetic head slider and magnetic disk drive: Embodiments of the present invention provide a magnetic head slider having a surface that is formed into a multiple step configuration to stabilize flying of the slider. According to one embodiment, a magnetic head slider has an air bearing surface including surfaces in three stages different in height from one... Agent: Townsend And Townsend And Crew LLP

20090073611 - Suspension for mounting slider, head gimbal assembly and disk drive unit with the same: A suspension for a HGA includes a flexure having a suspension tongue with electrical pads adapted for mounting a slider thereon. The suspension tongue has some portions etched with left portions therebetween forming into at least one hinge or spring mechanism for releasing thermal deformation of the suspension tongue and... Agent: Nixon & Vanderhye, PC

20090073612 - Magnetic head device: A magnetic head device includes a slider with a facing side and a magnetic function part. The facing side of the slider includes a front positive pressure surface located close to a leading end of the slider, a rear positive pressure surface located close to a trailing end of the... Agent: Brinks Hofer Gilson & Lione

20090073613 - Magnetic head supporting mechanism: A magnetic-head supporting mechanism includes a slider having a chamfered bleed portion, a mounting portion on which the slider is mounted, a flexible finger portion extending in a longitudinal direction and supporting the mounting portion, a load beam extending in the longitudinal direction that connects at an end to a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090073614 - Voice coil motor: A voice coil motor has an arm for arcuate movement about a pivot, and a coil at one end of the arm. There is a permanent magnet mounted adjacent the coil. The permanent magnet has only one pole facing, and for operational co-operation with, the coil. The coil has a... Agent: Jacobson Holman PLLC

20090073615 - Fabrication of mesoscopic lorentz magnetoresistive structures: A Lorentz Magnetoresistive sensor having an extremely small lead width and lead spacing is disclosed. The sensor can be constructed by a novel fabrication method that allows the leads to be deposited in such a manner that lead width and spacing between the leads is determined by the as deposited... Agent: Zilka-kotab, PC- Hit

20090073616 - Magneto-resistive effect device of the cpp structure and magnetic disk system: The invention provides a magneto-resistive effect device of the CPP (current perpendicular to plane) structure, comprising a magneto-resistive effect unit, and an upper shield layer and a lower shield layer located with that magneto-resistive effect unit sandwiched between them, with a sense current applied in a stacking direction, wherein the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

  
03/12/2009 > patent applications in patent subcategories. listing by industry category

20090067078 - Bit patterned medium, reading head for reading data recorded on bit patterned medium, and hard disk drive for recording/reading data on/from bit patterned medium: Provided are a bit patterned medium having a super track, a reading head which reads data recorded on the bit-patterned medium, and a hard disk drive (HDD) for recording/reading data on/from the bit patterned medium. The bit patterned medium includes a substrate, and a recording layer formed with a plurality... Agent: Sughrue Mion, PLLC

20090067079 - Data storage device with security feature: A data storage device is disclosed with at least two partitions and a set of switches to separately enable and disable read and write operations to each of the partitions, wherein read and/or write operations for at least one of the partitions is disabled when the data storage device is... Agent: Moore Patents

20090067080 - Selectively mitigating multiple vibration sources in a computer system: One embodiment of the present invention provides a system that mitigates the effects of multiple vibration sources on a set of hard disk drives (HDDs) within a computer system. During operation, the system identifies a target HDD in the set of HDDs, wherein the performance of the target HDD is... Agent: Pvf -- Sun Microsystems Inc. C/o Park, Vaughan & Fleming LLP

20090067081 - Storage apparatus and data verification method for the same: A controller unit for the storage apparatus executes the following: giving each data block, which is a data constituent unit, an identification number indicating that the relevant data has been sent from a host computer in response to an arbitrary write request from the host computer; storing, in a memory... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090067083 - Hard disk drive controller, image forming apparatus and storage medium with recorded computer program: A hard disk drive controller including a determining unit that determines an external dimension of a hard disk drive that is provided with a motor for rotating a hard disk and a head that is retractable from the hard disk; and a changing unit that changes control of the hard... Agent: Sughrue Mion, PLLC

20090067084 - Method for establishing and maintaining radial position for hard disk drive self servo write without seed wedges: Magnetic reference patterns may be generated on a disk or other magnetic media without the need for seed wedges. This involves writing a first magnetic reference pattern to the disk with a servo writer. The disk may then be transferred to a hard disk drive. Control circuitry within the hard... Agent: Garlick Harrison & Markison

20090067082 - Patterned-media magnetic recording disk and disk drive with data zones having nondata regions near the zone boundaries: A patterned-media magnetic recording disk has data islands arranged into concentric data tracks and the data tracks arranged into radially-spaced annular zones, with each zone having an inside-diameter (ID) perimeter and an outside-diameter (OD) perimeter and at least one annular nondata region near one of its perimeters. Each zone includes... Agent: Thomas R. Berthold

20090067085 - Actuator shroud: Devices are provided herein in a variety of examples that inhibit particle pickup and transport and mechanical vibrations and provide other advantages. In one illustrative example, an actuator assembly includes a base, an actuator disposed on the base, and a shroud disposed on the base around the actuator. The shroud... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20090067086 - Storage device: A storage device includes plural recording media, a housing configured to accommodate the plural recording media, a plate that is fixed and extends round between two adjacent recording media in the housing, plural sliders each of which is mounted with a magnetic head that is configured to record information in... Agent: Greer, Burns & Crain

20090067087 - Apparatuses and methods for pre-erasing during manufacture of magnetic tape: The present invention relates to direct current (“DC”) pre-erasing servo channels of a magnetic tape prior to writing servo data in a servo channel. The present invention particularly relates to those servo recordings which were written with a uni-polar current waveform. The DC pre-erase is performed using a uni-polar direct... Agent: Dorsey & Whitney LLP Intellectual Property Department

20090067088 - Recording and/or playback device comprising multiple azimuth magnetic heads: A device for recording on and/or reading from a magnetic medium with magnetic tracks, including plural magnetic heads each including a pair of polar parts separated by an amagnetic head gap with a given azimuth angle. The pairs of polar parts are distributed on fixed supports, the head gaps of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090067089 - Flexible cable comprising liquid crystal polymer: A tape drive system according to one general embodiment includes a magnetic head; a drive mechanism for passing a magnetic recording tape over the head; a cable coupled to the magnetic head, the cable comprising a first layer of liquid crystal polymer, and at least 16 electrically conductive leads operatively... Agent: Zilka-kotab, PC- Ibm

20090067092 - Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium: The magnetic recording medium includes: a recording layer formed over a substrate in a predetermined concavo-convex pattern, convex portions of the concavo-convex pattern constituting recording elements; a filler underlayer film formed on the bottoms of concave portions of the concavo-convex pattern; and a DLC filler formed on the filler underlayer... Agent: Oliff & Berridge, PLC

20090067090 - Null servo pattern for bit-patterned media: A patterned recording media comprises a segment and a null pattern formed in the segment. The segment comprises first and second rows of discrete magnetic elements separated by a non-magnetic material, and a row of non-magnetic material positioned between the first and second rows. The null pattern comprises consecutive groups... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20090067091 - Process for filling a patterned media of a hard disk with uv-cured lubricant: A patterned disk for a hard disk drive. The patterned disk includes a magnetic material over a substrate. The magnetic material includes a plurality of grooves. The grooves are filled with a lubricant that is hardened with UV exposure or some other hardening process. The lubricant provides a protective cover... Agent: Irell & Manella LLP

20090067093 - Perpendicular magnetic recording medium and magnetic recording apparatus: A discrete track medium and a bit patterned medium with a high SNR are manufactured at low cost. A seed layer and a recoding layer are formed on a bottom surface and a side wall of a groove portion, which is formed between non-magnetic projected structures artificially patterned. Then, the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090067094 - System and method for measuring air bearing gap distance: A method of determining the air gap distance between an air bearing pad and an apparatus floating on the air bearing pad comprises coupling a first probe to the air bearing pad; coupling a second probe to the apparatus floating on the air bearing pad, wherein the first and second... Agent: Fogg & Powers LLC

20090067095 - Fly height compensation using read gain control loop: Apparatus and methods are disclosed that regulate head fly height so as to compensate for variation in height of a disk surface. An exemplary apparatus includes a circuit that detects disk height variation in response to variation in the gain of a variable gain amplifier, within an automatic gain control... Agent: Myers Bigel Sibley & Sajovec, P.A.

20090067096 - Gimbal assembly: The present invention includes a gimbal having a plurality of forwards struts extending from a central portion of a transducer-carrying apparatus and terminating in a forward suspension attachment portion. A plurality of rear struts also extend from a central portion of the transducer-carrying apparatus and terminate in a rear suspension... Agent: Kinney & Lange, P.A.

20090067097 - Tape drive system: A tape drive system according to one embodiment includes a support for engaging a tape; and a head directly opposing the support such that a tape engaging the support is positioned between the head and the support, the head being for performing at least one of reading from a tape... Agent: Zilka-kotab, PC- Ibm

20090067098 - Perpendicular magnetic recording head and method of manufacturing the same: A perpendicular magnetic recording (PMR) head and a method of manufacturing the same are provided. The PMR head includes: a main pole; a coil enclosing the main pole as a solenoid type to allow the main pole to generate a magnetic field required for recording data on a recording medium;... Agent: Sughrue Mion, PLLC

20090067099 - Magnetoresistive element including layered film touching periphery of spacer layer: An MR element includes an MR stack including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer disposed between the first and the second ferromagnetic layer. The MR stack has an outer surface, and the spacer layer has a periphery located in the outer surface of the... Agent: Oliff & Berridge, PLC

20090067100 - Magnetic head and method of fabricating the same: Provided are a magnetic head and a method of fabricating the same. The magnetic head includes a reading head having an acute or an obtuse inclined angle with respect to an air-bearing surface (ABS). In addition, the magnetic head includes a writing head having a magnetic coil that is formed... Agent: Sughrue Mion, PLLC

  
03/05/2009 > patent applications in patent subcategories. listing by industry category

20090059409 - Magnetic recording reproducing apparatus: P

20090059410 - Frictional heat assisted recording: In a method for writing data to a disk drive, a selected portion of a surface of a rotating disk of the disk drive is contacted with a designated contact region of a slider. An aspect of the contact is controlled to regulate frictional heating of the selected portion such... Agent: Hitachi C/o Wagner Blecher LLP

20090059411 - Semiconductor laser device structure, thermally assisted magnetic head, and method of manufacturing same: A first alignment mark member is exposed at both of a mounting surface and a bonding surface, and thus can be seen from two directions by image sensors. While a semiconductor laser device is mounted on the mounting surface of a light source supporting substrate with reference to the first... Agent: Oliff & Berridge, PLC

20090059413 - Adjusting a fly-height in hard disk drives: A method for increasing reliability of a hard disk drive (HDD) is disclosed. One of a plurality of magnetic read/write heads in a hard disk drive (HDD) is determined to be disabled, and a fly-height associated with the disabled read/write head is increased with respect to a fly-height associated with... Agent: Hitachi C/o Wagner Blecher LLP

20090059417 - Apparatus for assisting write operation using high frequency magnetic field in disk drive: According to one embodiment, a disk drive having a spin torque oscillator and designed to perform high frequency assisted writing. The disk drive has a magnetic disk, a magnetic head, a coil, and a drive current controller. The drive current controller controls a drive current to supply to the spin... Agent: Knobbe Martens Olson & Bear LLP

20090059412 - Extracting position information using user data: A method is disclosed for determining position information of a transducer. At least a first code and a second code are chosen. The first code has different characteristics than the second code. User data written to a first sub-track is encoded with the first code and user data written to... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20090059414 - Hard disk drive with power saving feature: A hard disk drive with a head, and a disk that is rotated by a spindle motor. The drive includes a controller that operates in a low-speed idle mode where the spindle motor speed is reduced and the head is moved to a contact start-stop zone of the disk. Reducing... Agent: Irell & Manella LLP

20090059418 - Magnetic head and disk drive with high-frequency assisted writing: According to one embodiment, a magnetic head having a head slider which holds a magnetic head unit including a heat-generating element for controlling the flying-height and a high-frequency oscillator for performing high-frequency assisted writing, and on which terminals connected to the magnetic head elements are used in the smallest number... Agent: Knobbe Martens Olson & Bear LLP

20090059415 - Storage device and servo information writing method: A storage device receives and holds a storage medium that is subjected to first servo writing processing for writing servo information, a Gray code of which is offset, from an inner cylinder or an outer cylinder to a predetermined cylinder and, after the first servo writing processing, subjected to second... Agent: Greer, Burns & Crain

20090059416 - Storage device, storage medium, and method for manufacturing storage medium: According to an aspect of an embodiment, an storage device includes a storage medium having a substrate, a storage medium layer for storing information, a first lubricating layer on a first area of the storage medium layer, and a second lubricating layer on a second area of the storage medium,... Agent: Greer, Burns & Crain

20090059419 - Data storage device: According to an aspect of an embodiment, an apparatus, includes: a medium having inner and outer edges and including first and second servo regions extending radially, and containing first and second servo information written thereon, respectively, the first servo region extending outwardly from the inner edge to cover tracks, the... Agent: Greer, Burns & Crain

20090059420 - Seam to seam embedded runout correction propagation: Various embodiments of the present invention are generally directed to propagating repeated runout (RRO) correction values for radially concentric servo seams on a storage medium in relation to an RRO correction value for an adjacent seam and a radial separation between the seams.... Agent: Fellers, Snider, Blankenship, Bailey & Tippens

20090059421 - Method for manufacturing a thin closure magnetic head: A method of manufacturing thin closure magnetic read/write heads, such as magnetic tape heads is provided. The method provides improved flexural strength of the closure so that the closure breakage during fabrication of the heads is mitigated and closure thickness is reduced. An array of chips is fabricated on a... Agent: International Business Machines Corporation

20090059422 - Media processing device and magnetic head applicable to it: A media processing device may include a frame with a transport passage in which information recording media are transported and a magnetic head for processing magnetic information signals on the information recording media. The magnetic head may be embedded in the frame and part of the frame may be interposed... Agent: Cantor Colburn, LLP

20090059423 - Magnetic recording head and magnetic recording apparatus: A magnetic recording head includes: a main magnetic pole; a laminated body; and a pair of electrodes operable to pass a current through the laminated body. The laminated body includes a first magnetic layer, a second magnetic layer, and an intermediate layer provided between the first magnetic layer and the... Agent: Nixon & Vanderhye, PC

20090059424 - Magnetic head, magnetic recording medium, and magnetic recording apparatus using the magnetic head and magnetic recording medium: Provided are a magnetic head, a magnetic recording medium, and a magnetic recording apparatus using the magnetic head and the magnetic recording medium. The magnetic head is used for magnetically recording data on a magnetic recording medium and includes a main pole; a return-yoke forming a magnetic path along with... Agent: Sughrue Mion, PLLC

20090059425 - Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it: Thin film perpendicular magnetic head with a narrow main pole capable of a high recording density in excess of 100 gigabits per square inch and generating a high magnetic recording field, while also being modified to suppress remanent magnetic fields occurring immediately after writing operation. A return path is provided... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090059426 - Magnetic head for perpendicular magnetic recording and method of manufacturing same: A top surface of a pole layer of a magnetic head includes: a first portion having a first edge located in a medium facing surface and a second edge opposite thereto; and a second portion located farther from the medium facing surface than the first portion and connected to the... Agent: Oliff & Berridge, PLC

20090059427 - Perpendicular magnetic recording head and method for manufacturing the same: Embodiments of the present invention help to provide a perpendicular magnetic recording head capable of writing a signal in a track having a small width. According to one embodiment, a perpendicular magnetic recording head includes an auxiliary pole, a main pole, a yoke, a coil, a first soft magnetic film... Agent: Townsend And Townsend And Crew LLP

20090059428 - Data storage tape for minimized damage: A data storage device has a cartridge with tape having data and landing zones. One of the landing zones is aligned with a head during stopping of advancement of the tape to minimize damage. A data storage system is provided with a data storage device with data and landing zones,... Agent: Brooks Kushman P.C. / Sun / Stk

20090059429 - Bit patterned medium: Provided is a bit patterned medium including bridges which induce exchange coupling between adjacent bits in order to reduce a switching field difference resulting from different magnetization directions of bits. The bridges and the bits are integrally formed with each other. The bits are locally connected by the bridges. A... Agent: Sughrue Mion, PLLC

20090059430 - Fabricating magnetic recording media on patterned seed layers: Patterned media and associated methods of fabrication are provided in which vertical magnetic grains are grown on a patterned seed layer. The patterned seed layer includes a matrix of islands of a first seed material. Each island of first seed material is separated from other islands by a region of... Agent: Duft Bornsen & Fishman, LLP

20090059431 - Suspension, head gimbals assembly, method for manufacturing head gimbals assembly, storage apparatus, and apparatus for manufacturing head gimbals assembly: This head gimbals assembly has a head slider, a flexure, and a load beam. The head slider has a head element and slider-side connection terminals. The flexure has a free end, a fixed end, a slider mounting portion and suspension-side connection terminals connected to the slider-side connection terminals. The load... Agent: Greer, Burns & Crain

20090059432 - Head slider of magnetic disk device: Lubricant on a rotating recording medium can attach to a slider, particularly on the pad formed in the proximity of the trailing edge. In the slider of this invention, lubricant is not accumulated in the vicinity of the trailing edge and can be drawn to the trailing edge and dispersed... Agent: Greer, Burns & Crain

20090059433 - Actuator latch system of hard disk drive: An actuator latch system of a hard disk drive keeps an actuator of the hard disk drive in place in a state in which a read/write head mounted to a swing arm of the actuator is parked. The latch system has first and second protrusions at upper and lower parts... Agent: Volentine & Whitt PLLC

20090059434 - Arm blade, head stack assembly comprising the same, and hard disk drive comprising the head stack assembly: An arm plate coupled to a pivot bearing to closely contact an overmold and having a leading end portion where a head gimbal assembly (HGA) is attached when assembling a head stack assembly (HSA) of a hard disk drive (HDD), wherein a bending alleviation through hole is formed in a... Agent: Stanzione & Kim, LLP

20090059435 - Voice coil damper: A voice coil for a voice coil motor of a hard disk drive comprises an inner surface of the voice coil, which bounds a central space of the voice coil. A first outer surface of the voice coil is substantially parallel to a second outer surface of the voice coil.... Agent: Hitachi C/o Wagner Blecher LLP

20090059437 - Differential current perpendicular to plane giant magnetoresistive sensor structure having improved robustness against spin torque noise: A differential giant magnetoresistive sensor for sensing a magnetic signal. The differential sensor has a structure configured to minimize spin torque noise. The differential magnetoresistive sensor includes first and second magnetoresistive sensor elements and a three lead structure including an inner lead sandwiched between the first and second sensor elements... Agent: Zilka-kotab, PC- Hit

20090059436 - Thin-film magnetic head having cpp structure magneto-resistive effect device: The invention provides a thin-film magnetic head having a magneto-resistive effect device of the CPP (current perpendicular to plane) structure comprising a multilayer film in which a fixed magnetization layer, a nonmagnetic layer and a free layer are stacked together in order. The fixed magnetization layer, nonmagnetic layer and free... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090059439 - Multichannel thin-film magnetic head with dummy shields: Provided is a multichannel thin-film magnetic head having a plurality of read head elements neighboring with each other, each of which includes shield layers having a desired stable magnetic-domain structure. The head comprises at least one read head part comprising a plurality of read head elements aligned in the track... Agent: Oliff & Berridge, PLC

20090059438 - Thin-film magnetic head with perpendicular magnetic recording structure, magnetic head assembly with the thin-film magnetic head, magnetic disk drive apparatus with the magnetic head assembly, and manufacturing method of thin-film magnetic head with perpe: A thin-film magnetic head with a perpendicular magnetic recording structure includes a main pole layer, a nonmagnetic gap layer, and an auxiliary pole layer facing the main pole layer via the nonmagnetic gap layer. A surface of a top end section of the main pole layer has an inclined step... Agent: Oliff & Berridge, PLC

20090059440 - Data integrity management responsive to an electrostatic event: The disclosure is related to detecting an electrostatic charge at a data storage device. The electrostatic charge can be detected and a data integrity management process can be implemented. In a particular embodiment, a method includes monitoring an electronic device having a data storage medium for an electrostatic event. The... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20090059441 - Cpp device with improved current confining structure and process: Plasma nitridation, in place of plasma oxidation, is used for the formation of a CCP layer. Al, Mg, Hf, etc. all form insulating nitrides under these conditions. Maintaining the structure at a temperature of at least 150° C. during plasma nitridation and/or performing post annealing at a temperature of 220°... Agent: Saile Ackerman LLC

20090059442 - Cpp-type magnetoresistance effect element having characteristic free layers: A magnetic field detecting element comprises: a stack which includes first, second and third magnetic layers whose magnetization directions change in accordance with an external magnetic field, the second magnetic layer being positioned between the first magnetic layer and the third magnetic layer, a first non-magnetic intermediate layer which is... Agent: Knobbe Martens Olson & Bear LLP

20090059444 - Methods and structures for an integrated two-axis magnetic field sensor: A two-axis, single-chip external magnetic field sensor incorporates tunneling magneto-resistance (TMR) technology. In one embodiment, an integrated device includes at least two sensor elements having pinned layers with orientation situated at a known angle (e.g., 90 degrees) with respect to each other. In the presence of a magnetic field, the... Agent: Ingrassia Fisher & Lorenz, P.C. (fs)

20090059443 - Magnetoresistive element including insulating film touching periphery of spacer layer: An MR element includes a stack of layers including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer disposed between the first and the second ferromagnetic layer. The stack of layers has an outer surface, and the spacer layer has a periphery located in the outer surface... Agent: Oliff & Berridge, PLC

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