Dynamic magnetic information storage or retrieval inventions 12/07

20070297077 - Method of manufacturing master recording medium, magnetic transfer method using the manufactured master recording medium, and method of manufacturing magnetic recording medium: The present invention provides a method of manufacturing a master recording medium used for magnetic transfer and having a concavo-convex pattern formed on a surface of the recording medium, the method comprising: a surface treatment step of forming the concavo-convex pattern on a surface of a metal plate to fabricate... Agent: Sughrue Mion, PLLC

20070297078 - Magnetic transfer method for perpendicular magnetic recording medium, perpendicular magnetic recording medium, and magnetic recording apparatus: The present invention provides a magnetic transfer method comprising: a magnetic transfer step of applying a magnetic field for transfer parallel to the plane of a disk shaped substrate having formed on the surface thereof a pattern composed of magnetic layer arrangement corresponding to information to be transferred to a... Agent: Sughrue Mion, PLLC

20070297079 - Optimal synchronization mark/address mark construction: Optimal synchronization mark/address mark construction. These marks can generally be referred to as sync marks. A novel means is presented by which sync marks can be generated for use within a variety of communication systems including HDD systems. The sync marks generated hereby have a largest possible minimum distance measurement... Agent: Garlick Harrison & Markison

20070297080 - Apparatus and method for bending a slider to create rounded corners on its trailing edge in a hard disk drive: A method of rounding corners of a slider's trailing edge by applying at least a first voltage to terminals of a bending device coupled to the slider. The slider including terminals, possibly bending device and/or vertical micro-actuator. The flexure finger, head gimbal assembly, with trace path(s) to the terminals. The... Agent: Gregory Smith & Associates

20070297081 - Magnetic device for current assisted magnetic recording: An apparatus includes a write element for writing to a medium. The apparatus is configured to effectuate an electrical potential difference between a portion of the apparatus and a portion of the medium such that a current flows between the apparatus and the medium to reduce a coercivity of the... Agent: Kinney & Lange, P.A.

20070297082 - Near-field optical transducers having a tilted metallic pin: An optical transducer includes an optical element for directing an electromagnetic wave to a focal region and a metallic nano-structure having a longitudinal axis non-parallel to an electric field of the electromagnetic wave. The optical element for directing an electromagnetic wave may comprise one of a solid immersion lens, a... Agent: Pietragallo, Bosick & Gordon LLP

20070297086 - Hdd write control method and apparatus: A Hard Disk Drive (HDD) and related write control method are disclosed. The write control method includes; detecting a free fall state during a current write operation to a current sector, waiting until completion of the current write operation to the current sector, and thereafter stopping the current write operation... Agent: Volentine & Whitt PLLC

20070297084 - Method and apparatus for improved starting and/or stopping in a contact start-stop (css) hard disk drive: CSS hard disk drive providing improved take-off and/or touchdown by asserting pitch actuation control signal stimulating a pitch actuator to flex a flexure finger, altering the pitch angle of slider coupling through flexure finger to pitch actuator. Method implemented by embedded circuit and/or embedded processor. Manufacturing embedded processor, embedded circuit,... Agent: Gregory Smith & Associates

20070297085 - Method and apparatus reducing flying height drop in a hard disk drive under humid conditions: A slider with an intake heater near front edge heating air passing between air bearing surface and rotating disk surface to reduce change in flying height caused by water condensation. Method of operating the slider. Head gimbal assembly including slider. Head stack assembly including at least one HGA. Operating hard... Agent: Gregory Smith & Associates

20070297083 - Apparatus, method and program product for a multi-controller and multi-actuator storage device: A data storage device, method and program product for high data transfer and access rate is disclosed. The data storage device includes a housing wherein at least one data storage disk is rotatably mounted. The housing further includes at least two actuator arm assemblies, each actuator arm assembly carrying a... Agent: Silvy Anna Murphy

20070297087 - Controller selection to reduce written-in run-out: Embodiments of the present invention reduce the written-in run-out in servo data written to a storage medium. A set of servo controllers are evaluated and the controller having the best expected performance among the set is selected and employed. One embodiment of the present invention is a servo controller configured... Agent: Foley & Lardner

20070297088 - Embedded runout correction based on written-in runout measurement: Performing embedded runout correction for a track on a rotational data storage disk includes measuring written-in runout for the track, selecting a number of revolutions in response to the measured written-in runout of the track, calculating embedded correction values for the track for the selected number of revolutions of the... Agent: Myers Bigel Sibley & Sajovec, P.A.

20070297089 - Patterned magnetic recording head with termination pattern: A thin-film magnetic recording head utilizing a timing based servo pattern is fabricated by sputtering a magnetically permeable thin film onto a substrate. A gap pattern, preferably a timing based pattern, is defined by the thin film. The gap pattern includes termination patterns or endpoints that are elliptical or diamond-shaped.... Agent: Dorsey & Whitney LLP Intellectual Property Department

20070297090 - Magnetic read head with reduced shunting: A magnetic read head and a method for manufacturing a magnetic read head are provided. In one embodiment, the method includes providing the magnetic read head comprising a pinning layer disposed over a substrate of the magnetic read head, a pinned layer, a reference layer, a tunneling barrier layer, and... Agent: Patterson & Sheridan, L.L.P.

20070297091 - Patterned magnetic recording medium and method of manufacturing the same: A patterned magnetic recording medium and a method of manufacturing the same are provided. The patterned magnetic recording medium includes a plate, a plurality of nanowires formed vertically on the plate, and a magnetic layer patterned on the nanowires. The magnetic layer protrudes in areas corresponding to the nanowires.... Agent: Sughrue Mion, PLLC

20070297092 - Method and apparatus for an air bearing surface to reduce contamination due to saturation water vapor pressure in a hard disk drive: A slider operating air bearing surface (ABS) to remove a front saturation water vapor pressure peak near a front bulwark and a bad flow pattern area the between front bulwark and a central island. The ABS implementing these operations. Alternatively, ABS includes a front bulwark channel in the front bulwark... Agent: Gregory Smith & Associates

20070297093 - Head gimbal assembly and manufacturing method thereof: Embodiments in accordance with the present invention reduce the height of a head gimbal assembly (HGA) while maintaining the rigidity of a load beam. According to one embodiment of the present invention, an HGA includes a slider, a flexure, and a load beam. The load beam includes a flange formed... Agent: Townsend And Townsend And Crew LLP

20070297094 - Slider suspension assembly: A slider suspension assembly includes a positioning arm mounted to a laminate that has a spring layer and a flex circuit layer. The spring layer has a gimbal spring arm. The flex circuit layer has an elongate flex circuit arm separated from the elongate gimbal spring arm by a gap.... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20070297095 - Disk apparatus and magnet for magnetic circuit: A rotary type actuator comprises an actuator assembly rotatably attached to a base and supporting a head at an end thereof via an arm and supporting a coil at the other end thereof, and a magnetic circuit unit having a yoke and a magnet secured to the base. The latch... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070297096 - Magnetic head: In the magnetic head, characteristics of a read-element is not badly influenced by external electromagnetic waves, and the magnetic head is highly resistant to external electromagnetic waves. The magnetic head comprises: a write-head; a read-head having a read-element, which is grounded to a substrate via a resistance; and an electromagnetic... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070297097 - Magnetic head and a magnetic storage apparatus: Embodiments in accordance with the present invention provide a magnetic head of the CPP structure for perpendicular magnetic recording, that is excellent in read performance, and stable in write/read performances by enhancing the external field durability, and further, suppresses deterioration in read sensor property, due to thermal factors. At least... Agent: Townsend And Townsend And Crew LLP

20070297098 - Magnetoresistive element, magnetic head, magnetic recording apparatus, and magnetic memory: A magnetoresistive element includes a first magnetic layer a magnetization direction of which is substantially pinned, a second magnetic layer a magnetization direction of which varies depending on an external field, a magnetic spacer layer provided between the first magnetic layer and the second magnetic layer, and electrodes which supply... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070297100 - Magneto-resistive effect element and magnetic disk device: An alignment control film is formed on an alumina film by sputtering. A Ti film, a Ta film, a Ru film, a MgO film or the like is formed as the alignment control film. A lower shield layer is formed on the alignment control film. Crystal grains composing the lower... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070297101 - Magnetoresistive element and magnetic memory device: A magnetoresistive element has a ferromagnetic double tunnel junction having a stacked structure of a first antiferromagnetic layer/a first ferromagnetic layer/a first dielectric layer/a second ferromagnetic layer/a second dielectric layer/a third ferromagnetic layer/a second antiferromagnetic layer. The second ferromagnetic layer that is a free layer consists of a Co-based alloy... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070297102 - Method for providing a self-pinned differential gmr sensor and self-pinned differential gmr sensor: A method for providing a self-pinned differential GMR sensor and self-pinned differential GMR sensor. The differential GMR head includes two self-pinned GMR sensors separated by a gap layer. The gap layer may act as a bias structure to provide antiparallel magnetizations for the first and second free layers without using... Agent: David W. Lynch Chambliss, Bahner & Stophel

20070297104 - Method for manufacturing magnetic field detecting element utilizing diffusion and migration of silver: A method for manufacturing a magnetic field detecting element having a free layer whose magnetization direction is variable depending on an external magnetic field and a pinned layer whose magnetization direction is fixed with respect to the external magnetic field, said free layer and said pinned layer being stacked with... Agent: Knobbe Martens Olson & Bear LLP

20070297103 - Novel way to reduce the ordering temperature for co2mnsi-like heusler alloys for cpp, tmr, mram, or other spintronics device applications: A spin valve structure is disclosed in which an AP1 layer and/or free layer are made of a laminated Heusler alloy having Al or FeCo insertion layers. The ordering temperature of a Heusler alloy such as Co2MnSi is thereby lowered from about 350° C. to 280° C. which becomes practical... Agent: Stephen B. Ackerman

20070297099 - Thin-film magnetic head, head gimbal assembly, head arm assembly and magnetic disk drive: An MR element comprises: a tunnel barrier layer having two surfaces facing toward opposite directions; a free layer disposed adjacent to one of the surfaces of the tunnel barrier layer and having a direction of magnetization that changes in response to a signal magnetic field; and a pinned layer disposed... Agent: Oliff & Berridge, PLC

20070291387 - Magnetic transfer method, magnetic transfer apparatus, magnetic recording medium and magnetic record reproduction system: A magnetic transfer method comprises the processes of: adhering a side having a perpendicular magnetic recording layer of a perpendicular magnetic recording medium in which a perpendicular magnetic recording layer is formed on a surface of a disk shaped substrate, to a surface of a master recording medium in which... Agent: Sughrue Mion, PLLC

20070291388 - Control apparatus and storage device: A control apparatus performs, when reading predetermined data stored in a storage medium, a correction of a signal read by a head during a Viterbi decoding process of the signal. A signal-quality-value calculating unit calculates a signal quality value of the signal based on a status of the correction during... Agent: Greer, Burns & Crain

20070291389 - Control device and storage device: A control device that controls a storage device having an auto-gain-control function for controlling strength of an output signal from a head that reads data from a storage medium, which includes a determining unit that determines whether the strength of the output signal controlled by the auto-gain-control function is within... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070291390 - Dynamically controlling a temperature profile in a disk drive for a temperature-dependent reliability study: One embodiment of the present invention provides a system that dynamically controls a temperature profile within a disk drive by generating disk drive activity. During operation, the system first receives a desired temperature profile. Next, the system generates a load profile based on the desired temperature profile, wherein the load... Agent: Sun Microsystems Inc. C/o Park, Vaughan & Fleming LLP

20070291391 - Method and system for contiguously appending data onto media in a tape drive system: A method for contiguously appending data onto media in a tape drive system is disclosed. In one embodiment, the method includes reading existing data recorded on a media, determining an append point on the media, and contiguously appending new data on the media starting at the append point such that... Agent: Sun Microsystems, Inc. C/o Dorsey & Whitney, LLP

20070291395 - Control apparatus, storage device, and head retracting method: A retraction control unit controls a retraction of a head of a storage device to a retraction position apart from a ramp by a predetermined distance. When the head is retracted from the retraction position to the ramp, a speed control unit controls a speed of the head to ascend... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070291396 - Control apparatus, storage device, and head retraction controlling method: A falling-time measuring unit measures time for which a fall of a storage device is consecutively detected by a fall detecting sensor. A head-position detecting unit detects a position of the head on a storage medium at a time of starting measuring the time. A moving-time calculating unit calculates necessary... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070291399 - Controller-characteristic changing apparatus, storage device, controller-characteristic changing method, and computer product: When a head is subjected to external vibration while a controller is controlling the head according to a positioning-oriented controller characteristic, the positioning-oriented controller characteristic are changed to a vibration-reducing controller characteristic. Moreover, when the external vibration stop while the controller is controlling the head according to the vibration-reducing controller... Agent: Greer, Burns & Crain

20070291393 - Head retracting apparatus, storage device, and head retracting method: A head retracting apparatus retracts a head on a storage medium upon detecting a fall. A counter-value calculating unit calculates a counter value that changes with an increase of a falling time and an increase of a non-falling time. A retraction determining unit determines whether to retract the head, based... Agent: Greer, Burns & Crain

20070291397 - Head slap detecting device, storage device, head slap detecting method, and computer product: A head-slap detecting device detects a head slap. The head slap causes a storage medium to be slapped by at least one storage-medium driving unit that performs at least one of reproduction and recording of data from and to the storage medium. The head-slap detecting device includes a detecting unit... Agent: Greer, Burns & Crain

20070291394 - Ramp-position detecting device, ramp-position detecting method, and storage device: A storage medium (magnetic disk) in a storage device (magnetic disk device) includes a disk that stores therein data, a head that reads and writes data, a voice motor coil (VCM) that controls the head, and a ramp where the head is retracted. The storage device detects a current used... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070291392 - Storage device, continuous-vibration detecting method, and control apparatus: A falling-time measuring unit acquires information indicating whether a magnetic disk drive is falling, from a fall sensor at a predetermined sampling cycle, and measures a falling time based on the acquired information. A threshold changing unit counts number of times the measured falling time exceeds a predetermined fall-determination threshold... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070291398 - Storage device, head returning method, and head returning apparatus: A time measuring unit measures a duration time of a state relating to the detection of the abnormality when the head is retracted. A head-return determining unit determines whether to return the head onto the storage medium based on the measured duration time.... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070291402 - System and method for generating a position error signal (pes) reference curve in a data storage device: System and method for generating a Position Error Signal (PES) reference curve in data storage devices are provided. The method includes scanning a distance of at least one Track Pitch (TP) in a cross-track direction in each servo-burst along a predefined path. One or more TPs in each servo-burst are... Agent: Ibm Corporation, T.j. Watson Research Center

20070291403 - Pulse-slimming for a tape servo system using non-linear gain: Pulses generated from servo stripes of a servo tape system are narrowed by using non-linear gain enabling precise position of the read head. Non-linear gain based on the amplitude of each pulse is applied to each pulse to reduce jitter and distortion so as to more accurately position the read... Agent: Hogan & Hartson LLP

20070291404 - System and method for modifying media content playback based on limited input: A method for navigating among tracks uses limited input commands. A plurality of tracks is associated with a currently playing queue. One of the tracks in the queue is identified for a current focus. A voice command is received that includes a directional aspect and a metadata filtering aspect. In... Agent: Creative Labs, Inc. Legal Department

20070291405 - Disk dampener, hard disk drive comprising the disk dampener, and related method: A disk dampener, a hard disk drive (HDD) including the disk dampener, and a method for fabricating the HDD are provided. The disk dampener is disposed adjacent to a surface of a disk in a hard disk drive (HDD), wherein an air gap is disposed between the disk dampener and... Agent: Volentine & Whitt PLLC

20070291401 - Contact detection using calibrated seeks: Embodiments of the present invention allow for detection of contact between a sensor, such as a data read/write head, and a surface, such as the magnetic surface of a disc. An actuator may be controlled to repeatedly seek a head across a surface of a disc. A touchdown actuation pattern... Agent: Foley & Lardner

20070291400 - Storage device with a power-off protective reflex function: The present invention relates to a storage device with a power-off protective reflex function, which comprises: at least a sensor for detecting a motion value with at least one dimension of the storage device; a processor coupled to the sensor for receiving the motion value and initializing a control signal... Agent: Troxell Law Office PLLC Suite 1404

20070291406 - Information recording and playback apparatus and method of manufact-uring the same: An object is to provide an information recording and playback apparatus that is capable of reducing, as much as possible, reading and writing errors caused by magnetic leakage flux on the inner peripheral side of a magnetic disk. An information recording and playback apparatus 1 includes a rotor R rotatably... Agent: Bruce L. Adams Adams & Wilks

20070291407 - Internal support interface with vibration and acoustic isolation: An internal support interface which provides vibration and acoustic isolation. A stationary shaft has a medial portion about which a rotatable member rotates. An end portion of the shaft has an annular base surface surrounding a stub shaft projection. A substantially planar housing member has a support post which extends... Agent: Fellers, Snider, Blankenship, Bailey & Tippens

20070291409 - Magnetic head for perpendicular magnetic recording: A magnetic head comprises a pole layer and first and second coils located in regions sandwiching the pole layer. Each of the two coils is flat-whorl-shaped. The first coil incorporates an inner connecting portion and an outer connecting portion opposite to the inner connecting portion. The second coil also incorporates... Agent: Oliff & Berridge, PLC

20070291408 - Magnetic head with conductive underlayer: A magnetic head includes a wafer substrate and a conductive underlayer formed directly on the substrate. An insulating layer is formed above the conductive layer. A reader and/or writer thereof is formed above the insulating layer. Another magnetic head includes a substrate and an insulating underlayer formed above the substrate.... Agent: Zilka-kotab, PC

20070291411 - Multi-channel head: A multi-channel head includes a substrate, a plurality of write elements arranged in a track width direction above the substrate in a lamination direction, and a plurality of read elements arranged in the track width direction above the plurality of write elements in the lamination direction. At least one of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070291410 - Method of manufacturing perpendicular magnetic recording medium and perpendicular magnetic recording medium: In order to increase a surface recording density by greatly increasing a track density with maintaining a recording and reproducing property which is not less than that of the prior art, a nonmagnetic substrate 11, target materials 12, and magnetic plates 21 are positioned in parallel in a thin-film coating... Agent: Sughrue Mion, PLLC

20070291412 - Opening-closing mechanism for record medium: An opening-closing mechanism for a record medium is arranged to include a moving body moves, on which an inserting slot and a revolving door are provided; a supporting means for causing the revolving door to support by the moving body in openable and closeable manner in the form of opening... Agent: Birch Stewart Kolasch & Birch

20070291413 - Disk cartridge: A disk cartridge includes a cartridge body and a lid. The cartridge body includes: first and second principal surfaces opposed to each other; a storage space to store a disklike data storage medium; windows cut through the first and second principal surfaces to partially expose the data storage medium in... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070291415 - Head stack assembly and hard disk drive including the head stack assembly: A head stack assembly (HSA) is provided. The head stack assembly includes a swing arm including a core pivotally coupled to a base member of a hard disk drive (HDD) and at least one arm blade extending from the core in a horizontal direction, a suspension extending from an extreme... Agent: Volentine & Whitt PLLC

20070291414 - Suspension with locally stiffened load beam: A loadbeam is locally stiffened by either, 1. the addition of strategically placed extra material to the loadbeam, 2. not removing material during the etching process to form the loadbeam, or 3. special forming, by crimping or bending, at specific sites on the beam. The use of local stiffening, when... Agent: Stephen B. Ackerman

20070291416 - Carriage for disk device: A carriage for a disc device, which has a top arm, bottom arm, and mid arm, has a main mode, end arm mode, and mid arm mode as a frequency response obtained when subjected to a vertical shake. In the main mode, all of the top, bottom, and mid arms... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070291417 - Fixing of components: A thin component such as the actuator arm (10) of a hard disk drive, is mounted on a pivot or pin (31), such as the pivot assembly of the hard disk drive, using a ring (32), e.g. a tolerance ring, having one or more projections (35), wherein the engagement of... Agent: Darby & Darby P.C.

20070291419 - Apparatus and method for a vertical micro-acatuator in slider of a hard disk drive: Slider used to access data on rotating disk in hard disk drive, including vertical micro-actuator using shape memory alloy film perpendicular to air bearing surface and coupled to deformation region including read-write head. Slider further includes vertical control signal stimulating heating element coupled to film and/or second vertical control signal... Agent: Gregory Smith & Associates

20070291418 - Method and apparatus for a single piezoelectric micro-actuator in a head gimbal assembly of a hard disk drive: A slider cradle for lateral positioning slider near rotating disk surface in hard disk drive, consisting essentially of piezoelectric micro-actuator coupling to slider cradle blank, further including piezoelectric micro-actuator coupling to first slider mount arm near slider mount and near slider mount base. A head gimbal assembly including slider cradle... Agent: Gregory Smith & Associates

20070291420 - Optical processing element: An optical processing element has a first face and a second face opposite to the first face. A first processing portion is disposed on the first face and a second processing portion is disposed on the second face. The first processing portion and the second processing portion both have continuous... Agent: Birch Stewart Kolasch & Birch

20070291421 - Ccp-cpp-gmr head assembly, magnetic recording/reproducing apparatus, and specification method of appropriate sense current direction of ccp-cpp-gmr head: Disclosed is a CCP-CPP-GMR head assembly which has: a CCP-CPP-GMR head that includes at least a current control layer having as a microstructure a plurality of truncated cone electric conductors with axes the same as a current direction and an insulator filling between the plurality of truncated cone electric conductors,... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070291422 - Method for manufacturing magnetic field detecting element, utilizing diffusion of metal: A method for manufacturing a magnetic field detecting element has the steps of: forming stacked layers by sequentially depositing a pinned layer, a spacer layer, a spacer adjoining layer which is adjacent to the spacer layer, a metal layer, and a Heusler alloy layer in this order, such that the... Agent: Fitch, Even, Tabin & Flannery

20070285817 - Servo field preamble detector and methods for use therewith: A servo field preamble detector includes an upsampling module that generates a plurality of upsampled read samples by upsampling a read signal by an upsampling factor. An interpolation filter module generates a plurality of interpolated read samples from the plurality of upsampled read samples. A peak detection module identifies a... Agent: Garlick Harrison & Markison

20070285819 - Wireless inductive coupling assembly for a heated glass panel: A wireless inductive coupling assembly for a heated glass panel assembly is provided that includes a metal oxide coated glass panel with a panel frame, an opening frame that cooperates with the coated glass panel frame to allow the panel to cover a panel opening, a receiving coil that is... Agent: Nixon & Vanderhye, PC

20070285823 - Control apparatus, storage device, and head retracting method: A sample-information extracting unit acquires a fall signal indicating whether a storage device is falling, conducts a sampling in response to the fall signal, and sequentially extracts sample information including either one of first information indicating a falling state and second information indicating a non-falling state. A retraction determining unit... Agent: Greer, Burns & Crain

20070285821 - Proactive fault monitoring of disk drives through phase-sensitive surveillance: One embodiment of the present invention provides a system that proactively monitors a disk drive to detect an impending disk drive failure. During operation, the system obtains a time-varying electrical signal which is generated by the spindle rotation during operation of the disk drive. Next, the system extracts one or... Agent: Sun Microsystems Inc. C/o Park, Vaughan & Fleming LLP

20070285822 - Self servo writing disk controller and methods for use therewith: A self servo writing disk controller detects a plurality of spiral sync marks and a plurality of spiral bursts corresponding to one of a plurality of servo spirals from a read signal from the read/write head. A timing reference signal is generated based on timing of at least one of... Agent: Garlick Harrison & Markison

20070285826 - Control apparatus, storage device, and head retracting method: A fall sensor detects a fall of a storage device. A first moving unit moves the head to a predetermined position on a storage medium when a falling time exceeds a first threshold. A second moving unit retracts the head from the predetermined position to a ramp when the falling... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070285829 - 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 burst data that is repetition coded. A servo write module writes the servo data on the disk.... Agent: Garlick Harrison & Markison

20070285830 - 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

20070285833 - Trajectory control profile with non-zero initial velocity: Various embodiments are generally directed to moving a control object using a sine-based trajectory profile with an initial non-zero velocity.... Agent: Fellers, Snider, Blankenship, Bailey & Tippens Suite 1700

20070285814 - Recording device: A recording device for recording and playback of audio data has a body which is relatively thin for incorporation between the pages of an album or within the cover of an album is disclosed. Recording and playback controls are accessible from the front face of the body and are physically... Agent: Knobbe Martens Olson & Bear LLP

20070285815 - Apparatus and method for synchronizing additional data and base data: For adding additional data, such as multi-channel extension data, to base data, such as conventional stereo data, a test fingerprint of test data relating to a test time instant of the test data is provided. The test data equals the additional data or the base data or depends on the... Agent: Glenn Patent Group

20070285816 - Magnetic media patterning via contact printing utilizing stamper having magnetic pattern formed in non-magnetic substrate: A stamper/imprinter for use in forming a magnetic transition pattern in a magnetic material by means of contact printing, comprising: (a) a non-magnetic substrate having a major surface comprising a patterned plurality of spaced-apart recesses with a plurality of non-recessed areas therebetween, the patterned plurality of recesses corresponding to the... Agent: Seagate Technology LLC C/o Mcdermott Will & Emery LLP

20070285818 - Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium: An ECC block is constituted by RS(248, 216, 33). Of a data length of 216 bytes (symbols), only 16 bytes are allocated to BCA data and the remaining 200 bytes are used for fixed data having a predetermined value. Using the fixed data of 200 bytes and the BCA data... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070285820 - Data recording device, data recording method, and recording medium: A motion image processing device for producing a representative static image based on motion image data recorded on a recording medium, comprising; acquiring image acquiring position information for specifying an image acquiring position in the motion image data, acquiring a reproduced image in the image acquiring position specified by the... Agent: Katten Muchin Rosenman LLP

20070285824 - Magnetic holder for holding a paintbrush or a tool: A magnetic holder has a strip-shaped carrier, one end of which is bent at an angle to the rest of the carrier that is a coupling section for coupling to an object. The carrier is bent at the transition point from the end section to the coupling section. The carrier... Agent: Law Offices Of Eric Karich

20070285825 - Recording and reproducing apparatus, recording and reproducing method, and storage medium: When the user designates the reproduction of searching audio data, the designated searching audio data and audio volume data are read from a searching data recording portion. The searching audio data is reproduced corresponding to the audio volume data. When the user designates the reproduction of main audio data, the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070285828 - Low-power pulse-width-modulated retract of disk drive actuator: A disk drive system including retract logic for control of the voice coil motor in a retract operation, in which the voice coil motor positions the read/write head actuator arm in a safe place in a loss-of-power event, is disclosed. The retract logic includes circuitry for controlling the application of... Agent: Texas Instruments Incorporated

20070285827 - Programmable constant voltage retract of disk drive actuator: A disk drive system including retract logic for control of the voice coil motor in a retract operation, in which the voice coil motor positions the read/write head actuator arm in a safe place in a loss-of-power event, is disclosed. The retract logic includes circuitry for controlling the application of... Agent: Texas Instruments Incorporated

20070285831 - Azimuth compensation using combination bump pes detection: An example embodiment provides for an apparatus and method, for use in a tape drive system, that supplies tape azimuth error information transduced from servo read elements that are located on differing bumps of a magnetic read/write head. Non-azimuth error information is also transduced from servo read elements located on... Agent: Law Office Of Mark J. Spolyar

20070285832 - Recording/reproducing method of magnetic tape: In a recording/reproducing method of a magnetic tape in a tracking servo system, a recording density of each data track is increased while inhibiting occurrence of a recording/reproducing error caused by a size change of a magnetic tape in the width direction. Data tracks are each set to have a... Agent: Birch Stewart Kolasch & Birch

20070285834 - Magnetic recorder/reproducer with freely detachable magnetic tape: The hub of a take-up reel (20) has a notch (20b) which is formed so as to correspond to the moving paths of guide posts (33, 34, 35) passing between a rotating drum type magnetic head (10) and the take-up reel (20). With this configuration, the magnetic head (10) and... Agent: Steptoe & Johnson LLP

20070285836 - Magnetic head and method of producing the same: The method is capable of producing a compact magnetic head, which has superior characteristics with a small size recording coil and which is capable of restraining magnetic loss. The magnetic head includes a recording coil, a lower magnetic pole and a back gap section. The method comprises the steps of:... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070285835 - Magnetic writer including an electroplated high moment laminated pole: A magnetic writing pole writes perpendicularly to a magnetic medium. The writing pole includes a multilayer structure with alternately electroplated magnetic layers and electroplated non-magnetic layers. The writing pole has a down-track thickness near the magnetic medium of less than about 500 nm.... Agent: Kinney & Lange, P.A.

20070285837 - Perpendicular magnetic recording head for high recording density: Provided is a perpendicular magnetic recording head for high density recording. The perpendicular magnetic recording head includes a coil, a return pole, a sub-yoke, and a main pole. The main pole has a pole tip including a second end surface that is spaced a predetermined distance from the return pole... Agent: Sughrue Mion, PLLC

20070285838 - Tape drive with read/write head having legacy read elements and with special-purpose read channels: A tape drive for reading both new technology tapes and legacy tapes. The tape drive includes a three bump head with two outer read bumps and an inner write bump. The outer read bumps include readers for reading data from tracks of a first width on a first storage tape... Agent: Hogan & Hartson LLP

20070285839 - Perpendicular magnetic recording medium and method of manufacturing the same: Embodiments of the present invention improve the production efficiency of a perpendicular recording medium while ensuring the scratch resistance thereof. In order to realize high production stability in the high speed production of perpendicular recording media, a target is not provided with a texture of a low melting point or... Agent: Townsend And Townsend And Crew LLP

20070285840 - Tape guiding mechanism, magnetic tape apparatus, and method for manufacturing magnetic tape: A tape guiding mechanism for guiding a traveling tape is provided including a guide roller for guiding the traveling tape and a regulator which rubs against at least one edge of the traveling tape in its width direction, in which the guide roller includes a circumferential surface with which the... Agent: Sughrue Mion, PLLC

20070285841 - Apparatus and method for slider including shape memory alloy pads in a hard disk drive: Slider including at least one pad including shape memory alloy layer with titanium oxide contact layer. When slider contacts disk surface, pad(s) undergoes solid-to-solid phase change from the first to second phase, absorbing energy and possibly deforming. When contact is removed, the pad recovers its shape as shape metal alloy... Agent: Gregory Smith & Associates

20070285842 - Method and apparatus for a base plate used in a head gimbal assembly of a hard disk drive: The invention includes a flexure finger for coupling to a load beam in a head suspension assembly of a hard disk drive. The flexure finger reduces buckling in the tail transition region near the head gimbal assembly by including at least two stress relief gaps in a stainless steel layer... Agent: Gregory Smith & Associates

20070285843 - Nano-electronics: Systems and methods are disclosed to fabricate an electronic device on a substrate by genetically engineering first, second, third, and fourth viruses each having a plurality of selective binding sites; forming first, second, third, and fourth viral biotemplates by immersing the first, second, third, and fourth viruses in one or... Agent: Tran & Associates

20070285844 - Multi-function head flex-circuit design for tape drives: An exemplary embodiment provides for a servo-actuated, head actuator design wherein a head carriage includes one or more positional sensor location features that precisely define placement. The sensor location features are configured such that a positional sensor can be mated into a specific sensor location feature. As the head carriage... Agent: Law Office Of Mark J. Spolyar

20070285845 - Narrow width actuator for tape drive systems: An exemplary embodiment provides for a servo-controlled, head actuator design that has low profile characteristics in both the height and width dimensions. The low height allows the actuator to fit into a half-high tape drive form factor. The construction of the actuator, in one embodiment, reduces the width of the... Agent: Law Office Of Mark J. Spolyar

20070285846 - Adjustment system using ball-ended guide rods to align tape drive heads: An example embodiment provides for an apparatus, for use in a tape drive system, that facilitates adjustment of azimuth and zenith orientations of a magnetic tape head. The apparatus includes a top and bottom plate located above and below an actuator assembly that includes a magnetic head. Also included are... Agent: Law Office Of Mark J. Spolyar

20070285847 - Magnetic head with stabilized ferromagnetic shield: A magnetic head in one embodiment includes first and second ferromagnetic shield layers, first and second nonmagnetic read-gap layers positioned between the first and second ferromagnetic shield layers, a sensor used in a current-in-plane (CIP) mode, first and second longitudinal bias layers electrically coupled with the sensor, and first and... Agent: Zilka-kotab, PC

20070285848 - Magnetoresistance device: A magnetoresistance device includes an elongate channel formed of silicon. A conductor comprising titanium silicide is connected to the channel along one side of the channel and leads are connected to and spaced along the channel on the opposite side.... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070285849 - Magnetic head having oxidized read sensor edges to reduce sensor current shunting: A magnetic read head of either CIP or CPP configuration is disclosed having a read sensor having oxidized non-conductive regions. The read sensor has a front edge, a rear edge, a left-side edge and a right-side edge. For a CIP configuration, the front edge and the rear edge are oxidized... Agent: The Patent Law Office Of Larry Guernsey

20070279781 - Channel training method and apparatus: A method for estimating a rate of errors written to a magnetic media includes writing a selected number of signals representing information to a track on the magnetic media, and adjusting a programmable portion of an error correction code module for correcting a selected number of errors in a portion... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279783 - Helical-scan-type magnetic tape recording and reproducing apparatus and magnetic tape recording and reproducing method: A helical-scan-type magnetic tape recording and reproducing apparatus includes: a helical-scan-type recording head that is movable, while being attached to a distal end of an actuator, in a track width direction by displacement of the actuator itself to sequentially scan a magnetic tape; a helical-scan-type reproducing head that is movable,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070279782 - Method and apparatus for determining offset between read and write transducers in a disk drive: A method of measuring an offset between a read head and a write head at a position on a disk in a disk drive includes writing a test track at a first frequency, and writing a track adjacent to the test track at a second frequency. The method also includes... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279780 - Method and apparatus to optimize write current in a write head: A method for selecting a write current for a disk drive including writing a test track on a magnetic media at one of a plurality of write current levels, and writing signals to the magnetic media at positions adjacent to the test track at substantially the same write current level... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279785 - Head-specific standby modes for disk drive preamplifiers and the like: A (e.g., hard-disk drive (HD)) system supports reader standby mode and/or writer standby mode. For reader standby mode, reader circuitry in the system's preamplifier is transitioned to a low-power mode during write operations. To provide quick transition from write mode to read mode, the reader circuitry is transitioned to pre-read... Agent: Mendelsohn & Associates, P.C.

20070279786 - Method and apparatus for phase-shift null-burst-pattern: A media includes a plurality of tracks, a preamble portion including a set of signals, a first servo burst having a first plurality of signals written substantially in phase with the preamble portion, and a second servo burst written out of phase with the preamble and the first servo portion.... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279788 - Method and apparatus to perform defect scanning: A method of determining defects on a media of an information storage device includes reading information representing data from a magnetized portion of the media, processing the read signal with discrete time signal processing, and detecting a phase shift in the read signal over a selected threshold. The method also... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279789 - Track based multiple sector error recovery: Error correction in a disk drive is performed by identifying all errors in multiple sectors of a single track during a single read operation. As the data from the track is moved to a buffer, the disk drive records the location of the errors without stopping the read operation. Following... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20070279790 - Adjustable output voltage regulator for disk drive: A method and circuit for powering a disk drive device involves determining an operating condition of the disk drive device. A power mode is selected consistent with the determined operating condition of the disk drive. Different components of the disk drive device are selectively powered consistent with the selected power... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279793 - Current pulsing for unloading: A method and device for parking heads of a disk drive device involves receiving a command to immediately park the heads. A first pulse is provided to a voice coil motor causing the heads to move toward a parked position. After the first pulse, the VCM current is reduced substantially... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279795 - Method and apparatus for adaptation to humidity in a hard disk drive: Hard Disk Drive (HDD) including a humidity sensor. Humidity sensor communicating with embedded circuit to provide humidity reading to alter flying height control asserted to control vertical positioning of slider above disk surface. Method operating HDD using humidity sensor and apparatus implementing method. Methods of manufacturing embedded circuit and HDD,... Agent: Gregory Smith & Associates

20070279792 - Shock feed forward adaptive filters: A disk drive device has a shock sensor that detects mechanical shocks to a disk drive device to provide a shock output signal representative of such mechanical shocks. The shock output signal may be filtered to pass signals having a low frequency component of approximately between 1 and 4 KHz.... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279796 - Magnetic disk device, servo-information writing device, magnetic disk, and magnetic disk device manufacturing method: A magnetic disk incorporated into a magnetic disk device is divided radially into a plurality of areas. An inner-circumference area has servo information written thereon at a low frequency. An outer-circumference area has servo information written thereon at a high frequency. The magnetic disk device creates concentric tracks on the... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070279797 - Voice coil motor effective resistance determination: A method of determining a correction factor for a voice coil motor of a disk drive device is performed by driving a relatively low current through the voice coil motor during a seek operation. Actuator velocity is then measured. A correction factor is calculated as a function of the actuator... Agent: Schwegman, Lundberg & Woessner, P.A.

20070279798 - Magnetic tape recording/reproducing apparatus: A magnetic tape recording/reproducing apparatus is disclosed that selectively loads a first tape cassette accommodating a first magnetic tape or a second tape cassette accommodating a second magnetic tape having a width greater than the width of the first tape. The apparatus includes a rotating drum unit including a lower... Agent: Ladas & Parry LLP

20070279799 - Method of making storage disk drive having reduced space between storage disk and rectifier plate: A storage disk drive includes storage disks and spacer or spacers stacked in the axial direction of a spindle around a spindle hub. The maximum allowances of axial dimensions of storage disks and a spacer or spacers are cumulated. An accumulated tolerance is calculated for the individual of the storage... Agent: Greer, Burns & Crain

20070279784 - Information reproduction apparatus: There is provided an information reproduction apparatus that can suppress degradations in the qualities of reproduced data and timing from due to interpolation errors when performing interpolation timing recovery, and that can avoid degradation in the stability of the system due to an increase in the timing recovery loop delay.... Agent: Steptoe & Johnson LLP

20070279787 - Data recording apparatus, data recording method, and program: Disclosed herein is a data recording apparatus which may include a recording data acquisition section, a data recording section, a file management section, a recording control section, and a file updating control section.... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070279791 - Media for heat assisted magnetic recording: A method for fabricating a patterned recording medium includes providing a workpiece with a non-magnetic substrate and at least one overlying magnetic layer, laminating a thermal insulation barrier partially in a soft under layer of one of the at least one magnetic layers and forming a topographical pattern including a... Agent: Foley & Lardner

20070279794 - Feedforward controller and methods for use therewith: A controller includes a combining module that generates a total control signal for the drive device of a disk drive by combining a feedback control signal and a feedforward control signal. A feedback control module generates the feedback control signal in response to at least one state of the drive... Agent: Garlick Harrison & Markison

20070279800 - Disk clamping device: To provide a disk clamping device which can reduce a required space for performing disk clamping in the disk device. The disk clamping device comprises: a pick arm 130 which is swung into and swung out of a space created by splitting trays 250 capable of housing a plurality of... Agent: Snell & Wilmer LLP (oc)

20070279801 - Manufacturing method of magnetoresistive effect element, manufacturing method of thin-film magnetic head and thin-film magnetic head: A manufacturing method of an MR element in which current flows in a direction perpendicular to layer planes, includes a step of forming on a lower electrode layer an MR multi-layered film having a cap layer at a top thereof, a step of forming a mask on the cap layer... Agent: Frommer Lawrence & Haug

20070279802 - Magnetic head and method of manufacturing same, and method of forming patterned layer: A method of forming a magnetic head comprises the steps of: selectively exposing through the use of a photomask a photoresist layer unpatterned; forming a pattern for forming a pole layer by developing the photoresist layer after the exposure; and forming the pole layer through the use of the pattern.... Agent: Oliff & Berridge, PLC

20070279803 - Thin-film magnetic head, head gimbal assembly, and hard disk system: The invention provides a thin-film magnetic head wherein the combined release angle Φ for a dominant recording magnetic field generated from a magnetic pole layer toward a patterned media for the purpose of recording magnetic information is set to within an angle range of 35° to 65° with respect to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070279804 - Asymmetric opposed slider air bearings for high speed recording on a metal foil disk: A metal foil disk offers some of the best characteristics of both the hard disk and floppy disk for digital data storage. One embodiment uses an opposed slider air bearing arrangement that provides advantages when used with a high speed metal foil disk in either a fixed or removable format.... Agent: Townsend And Townsend And Crew, LLP

20070279805 - Flexible printed wiring board having void for arrangement: A guide pin is set in common in first and second voids defined in the peripheries of first and second flexible printed wiring boards. The second void has the shape identical to the shape of the first void. When the guide pin rotates around a rotation axis so as to... Agent: Greer, Burns & Crain

20070279806 - Drive actuator having a four-bar flexure moving-magnet motor system: In one example, a drive head actuator includes a base, a positioner, and a planar coil. The positioner includes a frame movably attached to the base and having a data transducer head and at least one permanent magnet fixed thereto. The planar coil is fixed to the base and has... Agent: Morrison & Foerster LLP

20070279807 - Carriage assembly and storage medium drive: A first flexible printed wiring board is attached to the supported end of a carriage. First terminals are exposed on the first flexible printed wiring board. A second flexible printed wiring board extending from a head slider toward the supported end of the carriage. The second flexible printed wiring board... Agent: Patrick G. Burns Greer, Burns & Crain, Ltd.

20070279808 - Sensing mechanism for reading magnetic storage medium: A sensing mechanism for reading a magnetic storage medium includes first and second variable resistive elements, and sensing elements. Each first and second variable resistive element has a variable resistance. Each sensing element has a resistance depending at least on a portion of the medium currently being read. First and... Agent: Law Offices Of Michael Dryja

20070279809 - Magneto-resistance effect element, thin-film magnetic head, and method for manufacturing magneto-resistance effect element: A magneto-resistance effect element comprises a stacked body which comprises a pinned layer having a fixed magnetization direction, a free layer having a magnetization direction that varies according to an external magnetic field, and a nonmagnetic spacer layer which is interposed between the pinned layer and the free layer. The... Agent: Oliff & Berridge, PLC

20070279810 - Current-perpendicular-to-plane magnetic head and magnetic disk apparatus using the same: According to one embodiment, a current-perpendicular-to-plane magnetic head includes a magnetoresistive film including a pinned layer, an intermediate layer and a free layer, a pair of magnetic shields serving as electrodes provided over and under the magnetoresistive film, and a pair of biasing films provided on both sides of the... Agent: Pillsbury Winthrop Shaw Pittman, LLP Eric S. Cherry - Docketing Supervisor