|Dynamic magnetic information storage or retrieval patents - Monitor Patents|
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Dynamic magnetic information storage or retrievalBelow 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. 04/23/2015 > 7 patent applications in 7 patent subcategories.
20150109698 - Iterative data storage read channel architecture having dropout mitigation: According to one embodiment, a computer program product for dropout detection in a read channel includes a computer readable storage medium having program code embodied therewith, the embedded program code being readable and/or executable by a processor to execute dropout detection on a block of signal samples to detect one... Agent:
20150109699 - Heat sink for a spin torque oscillator (sto) in microwave assisted magnetic recording (mamr): In accordance with one embodiment, a magnetic head includes a main pole configured to emit a recording magnetic field for affecting a magnetic medium, spin torque oscillator (STO) device in electrical communication with and positioned above the main pole in a track direction, the STO device being configured to generate... Agent: Hgst Netherlands B.v.
20150109700 - Shingled magnetic recording system with adaptive write buffer area: Techniques for writing data to a buffer region of a magnetic disk are described. In one example, a hard disk drive comprises a magnetic disk comprising a data buffer region including a first zone and a second zone. Data may be written to the magnetic disk using shingled magnetic recording... Agent: Hgst Netherlands B.v.
20150109701 - Electronic system with media preparation mechanism and method of operation thereof: An apparatus includes: a media; a head over the media; and control circuitry configured to cause the head to: write a first precondition track with a preconditioning pattern on the media, and write a data track on the media at a first inter-track spacing with the head positioned in a... Agent: Western Digital Technologies, Inc.
20150109702 - Magnetic read head with antiferromagnetic layer: A tunnel magnetoresistance (TMR) read sensor having a tabbed AFM layer and an extended pinned layer and methods for making the same are provided. The TMR read sensor has an AFM layer recessed from the air bearing surface, providing a reduced shield-to-shield distance.... Agent: Western Digital (fremont), LLC
20150109703 - Magnetic disk substrate, magnetic disk, and magnetic disk device: A magnetic disk substrate highly reliable to prevent the occurrence of crash failure even if a magnetic disk is rotated at high speed, and suitable for a hard disk that starts and stops by the load/unload method, and a magnetic disk using such a substrate. The representative structure of the... Agent: Hoya Corporation
20150109704 - Suspension substrate, suspension, head suspension, hard disk drive, and method for manufacturing suspension substrate: A suspension substrate of the present invention includes an insulating layer, a spring material layer, and a plurality of wirings, wherein one wiring of the plurality of wirings includes a head-side wiring part and a plurality of division wiring parts, respectively bifurcated from the head-side wiring part. The spring material... Agent:04/16/2015 > 19 patent applications in 16 patent subcategories.
20150103428 - Color storage and transmission systems and methods: A system comprises a writer to form a plurality of color mits on a base material, wherein at least one of the color mits may represent computer-readable instructions comprising data other than pixel-image data. The plurality of color mits may include a first color mit and a second color mit,... Agent:
20150103429 - Information processing system and control method for information processing system: An information processing system includes a first information processing apparatus coupled to a first magnetic-disk-device groups including first magnetic disk devices whose motors rotate, a second information processing apparatus coupled to a second magnetic-disk-device group including one or more second magnetic disk devices whose motors rotate and a plurality of... Agent: Fujitsu Limited
20150103430 - Bond pad sharing for powering a multiplicity of electrical components: A bond pad set includes at least one ground pad and at least one electrical bond pad configured to bias and send/receive signals. The bond pad set is electrically connected to a multiplicity of electrical components. At least one electrical bond pad of the bond pad set is shared between... Agent: Seagate Technology LLC
20150103431 - Sto with anti-ferromagnetic coupling interlayer: Embodiments described herein generally relate to a magnetic recording device for recording/reproducing data using the magnetization state of a recording medium. More specifically, embodiments described herein provide an STO structure having an SPL and an FGL with an anti-ferromagnetic coupling interlayer disposed between the SPL and FGL. The anti-ferromagnetic coupling... Agent: Hgst Netherlands B.v.
20150103433 - Hard disk drive having multiple disk stacks on a rotatable platform: A lower cost per unit of storage hard disk drive (HDD) includes multiple disk stacks fixed to a carousel, and at least one head stack assembly (HSA) for accessing portions of the magnetic-recording disk(s) of each of the multiple disk stacks after the carousel rotates to move a disk stack... Agent: Hgst Netherlands B.v.
20150103432 - Methods and devices for head-media contact detection: In certain embodiments, a head-suspension assembly includes a resonator attached to either a head or gimbal. The resonator is configured to resonate at a predefined resonant frequency. In certain embodiments, disc drives includes a recording medium, a head-suspension assembly, and a resonator. The resonator is attached to either a head... Agent:
20150103434 - Microwave-assisted magnetic recording (mamr) head with an inclined and recessed main pole structure: In one embodiment, a magnetic head includes a main pole configured to emit a recording magnetic field for affecting a magnetic medium, the main pole configured to serve as a first electrode and having a front portion at an air bearing surface (ABS) of the magnetic head and a rear... Agent: Hgst Netherlands B.v.
20150103435 - Head position demodulating method and magnetic disk device: According to one embodiment, a head position demodulating method and a magnetic disk device switch a demodulation window such that an amplitude of a fundamental wave component of a null-type burst pattern transitions from a decreasing direction to an increasing direction along with an increase in seek speed during demodulation... Agent: Kabushiki Kaisha Toshiba
20150103436 - Magnetic data storage apparatus for use with linear recording media having a reduced servo band width: In one embodiment, a magnetic data storage apparatus includes a magnetic head having at least one group of N servo readers, a drive mechanism for passing a linear magnetic recording medium over the head, and a controller electrically coupled to the head. The controller is configured to position a first... Agent:
20150103437 - Microwave- assisted recording head with stable oscillation: A magnetic recording head for microwave-assisted magnetic recording is disclosed. In one embodiment, a magnetic recording head is for applying a magnetic field from a main pole of said magnetic recording head for recording data to a disk. Further comprising a spin torque oscillator adjacent to said magnetic recording head... Agent: Hgst Netherlands B.v.
20150103438 - Data reader with magnetic seed lamination: A magnetic element capable of reading data may generally be configured at least with a magnetic seed lamination disposed between a data reader stack and a magnetic shield. The magnetic seed lamination may be constructed at least with one magnetic layer coupled to the bottom shield and at least one... Agent: Seagate Technology LLC
20150103439 - Write pole with varying bevel angles: A magnetic element can have at least a write pole configured with a write pole tip that has a tip surface oriented at a first angle with respect to an air bearing surface (ABS), a first bevel surface extending from the ABS and oriented at a second angle with respect... Agent: Seagate Technology LLC
20150103440 - Perpendicular magnetic recording medium and magnetic recording/reproducing device: According to one embodiment, a perpendicular magnetic recording medium includes an underlayer in which the width of the grain boundary between crystal grains is less than 0.5 nm, and a multilayered magnetic recording layer formed in contact with the underlayer by alternately stacking at least two magnetic layers and two... Agent: Kabushiki Kaisha Toshiba
20150103441 - Systems and methods for protecting a sensitive device from corrosion: A magnetic storage system according to one embodiment includes a magnetic head having a removable organic coating thereon in an amount sufficient for reducing exposure of the head to oxidation promoting materials. A kit according to one embodiment includes a drive having a magnetic head, and a tape having an... Agent:
20150103442 - Magnetic head with integrated write driver: An apparatus and associated method generally relate to data writing and more specifically to writing data to a rotating media. An embodiment of such an apparatus comprises a slider body, a transducer and a write driver. The transducer comprises a writer. The write driver is integrated on the slider body,... Agent: Seagate Technology LLC
20150103443 - Methods of manufacturing magnetic heads using a trigger reader electronic lapping guide: A method of manufacturing a magnetic read-write head, including the steps of presenting a row bar to a processing location, the row bar including an air bearing surface, at least one read-write head, at least one electronic lapping guide, and at least one trigger device, wherein each electronic lapping guide... Agent: Seagate Technology LLC
20150103444 - Slider with high and low surface energy coatings proximate transducer: A slider, such as for a data storage system, the slider having a leading edge, a trailing edge, an air-bearing surface, and a transducer proximate the trailing edge. The slider has a low surface energy coating on the air-bearing surface and a high surface energy coating on the transducer. In... Agent: Seagate Technology LLC
20150103445 - T-shaped write pole: A magnetic element may be generally configured with at least a write pole that has leading and trailing regions on an air bearing surface. The leading region may have a trailing width connected to a leading width of the trailing region via a transition feature to form a substantially T-shaped... Agent: Seagate Technology LLC
20150103446 - Contact recording tunnel magnetoresistive sensor with layer of refractory metal: Various embodiments relate to an apparatus having a sensor with an active tunnel magnetoresistive region, magnetic shields flanking, the tunnel magnetoresistive region, and gaps between the active tunnel magnetoresistive region and the magnetic shields. The active tunnel magnetoresistive region includes a free layer, a tunnel barrier layer and a reference... Agent: International Business Machines Corporation04/09/2015 > 10 patent applications in 8 patent subcategories.
20150098146 - Pseudo-differential magnetic recording system and method incorporating a dummy read element and a dummy transmission line: A system including a first transmission line, a second transmission line, a first element, a second element and a differential amplifier. The first element is configured to read a storage media to generate a read signal, where the first element is connected to the first transmission line. The second element... Agent:
20150098147 - Two-dimensional magnetic recording systems and methods for minimizing and accounting for inter-modulation of signals induced in adjacent read elements: A system including transmission lines, read elements, and differential amplifiers. The read elements are connected in series. Each of the read elements is connected to a respective pair of the transmission lines. The differential amplifiers are connected respectively to the read elements via the transmission lines. The differential amplifiers are... Agent:
20150098148 - Linear recording device for executing optimum writing upon receipt of series of commands including mixed read and write commands and method and program for executing the same: A method is provided according to one embodiment, which executes an optimum writing method even when overwrite is intervened between mixed read and write operations. In response to receiving an overwrite command while executing the mixed operations, which writes to a predetermined tape position, when a tape position to overwrite... Agent:
20150098149 - Locating data stored on a magnetic medium: A set of lateral positions, of the magnetic medium with respect to the tape reel and a set of longitudinal positions of the magnetic medium with respect to the beginning of the magnetic medium as the magnetic medium comes off the first tape reel, are identified. A record is stored,... Agent: International Business Machines Corporation
20150098150 - Magnetic write head having spin torque oscillator that is self aligned with write pole: A magnetic write head having a write pole with a tapered trailing edge portion and having a spin torque oscillator that is formed entirely on the tapered trailing edge portion and that is self aligned with first and second sides of the write pole. The write pole and spin torque... Agent: Hgst Netherlands B.v.
20150098152 - Electrically insulating magnetic material for a read head: An apparatus such as a magnetic recording head with at least two separately addressable read transducers that are coplanar in a cross track direction. The apparatus includes first coplanar electrical contacts respectively disposed on and in electrical contact with first surfaces of the at least two read transducers and an... Agent: Seagate Technology LLC
20150098151 - Magnetic read head with separately addressable read transducers: A read head with at least two separately addressable read transducers that are coplanar in a cross track direction. The read transducers have a cross track width, wr, and a center-to-center separation distance between the two read transducers either greater than 3wr or the distance of two tracks of an... Agent: Seagate Technology LLC
20150098153 - Giant magneto resistive sensor and method for making same: A disk drive includes a disk including a magnetizable layer of material, and a transducer. The transducer has a read element that includes a first shield layer, a pinned layer, a metallic spacer, an AP (anti-parallel) free layer, and a second shield layer. The pinned layer has a surface area... Agent: Hgst Netherlands B.v.
20150098154 - Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk drive: A thin-film magnetic head is constructed such that a main magnetic pole layer, a write shield layer, a gap layer, and a thin-film coil are laminated on a substrate. The thin-film magnetic head has a leading shield part opposing the main magnetic pole layer on the substrate side of the... Agent: Headway Technologies, Inc.
20150098155 - Magnetic sensor shield pinned by a high-coercivity ferromagnet: A magnetic sensor may generally be configured as a data reader capable of sensing data bits from an adjacent data storage medium. Various embodiments of a magnetic element may have at least a magnetic stack that contacts at least a first shield. The first shield can have at least one... Agent: Seagate Technology LLC04/02/2015 > 16 patent applications in 15 patent subcategories.
20150092288 - Signal noise rejection: An implementation of a system disclosed herein provides a method of determining a frequency of baseline noise in a target or read sensor signal and rejecting a band of signals from the target or read sensor signal substantially around the frequency of the baseline noise, including devices to implement this... Agent: Seagate Technology LLC
20150092289 - Generating position error signal based on data tracks for magnetic data storage: A hard disk drive circuit includes first and second inter-track interference detection modules. The first inter-track interference detection module is configured to generate a first measured inter-track interference value based on a first read signal from a first read sensor positioned over a magnetic medium. The second inter-track interference detection... Agent:
20150092290 - Non-binary layered low density parity check decoder: A non-binary layered low density parity check decoder includes a variable node processor operable to generate variable node to check node messages and to calculate perceived values based on normalized check node to variable node messages and on normalized decoder inputs, and to output normalized decoded values, and a check... Agent: Lsi Corporation
20150092291 - Tape storage medium: A tape storage medium comprises at least one data band and the data band comprises a set of data sub-bands adjacent to each other. Each data sub-band contains a set of data tracks along a longitudinal extension of the tape storage medium and adjacent to each other. Each data sub-band... Agent:
20150092292 - Mamr head with recessed sto: Embodiments of the present invention generally relate to a microwave assisted magnetic recording (MAMR) head. The MAMR head includes a main pole, a trailing shield, and a spin torque oscillator (STO) disposed between the main pole and the trailing shield. The STO is recessed from an air bearing surface.... Agent: Hgst Netherlands B.v.
20150092293 - Variable stopwrite threshold with variable smoothing factor: In one embodiment, a method includes determining a stopwrite threshold based on a standard deviation or a variance at a current position error signal sample, and determining whether the current position error signal sample exceeds the stopwrite threshold. Writing is disabled in response to determining that the current position error... Agent:
20150092294 - Reading from a tape storage medium: In a method for operating a tape storage system, readback signals are simultaneously received from a set of data readers reading from data tracks of a set of adjacent data tracks extending along a longitudinal extension of a tape storage medium, wherein each data track of the set has a... Agent:
20150092295 - Reading from a tape storage medium: A method for operating a tape storage system includes simultaneously receiving readback signals from a set of data readers reading from data tracks of a set of adjacent data tracks extending along a longitudinal extension of a tape storage medium. Each data track has a width and each data reader... Agent:
20150092296 - Method and apparatus for determining position of multiple drive heads: Determining the radial position of a first read head of a storage device includes reading servo data from a storage media platter surface using the first read head, deriving from that servo data a first positron error signal representing a first estimate of the radial position of the first read... Agent:
20150092297 - Protection of a magnetic disk unit on a portable computing device: A portable computing device prevents a magnetic disk unit protecting function from impairing usability for a user when the processor is used as a tablet PC. The portable computing device includes a magnetic disk unit, a magnetic disk unit protecting section operable when predicting an occurrence of an impact to... Agent:
20150092298 - Media and drive validation in a storage library: Systems and methods are described for validating storage media and/or media drives in a storage library using a hidden drive pool and a non-hidden media pool. For example, a storage library can be instructed to perform media/drive validation (MDV) on a selected pool of physical storage media using a selected... Agent: Oracle International Corporation
20150092299 - Spindle motor and hard disk drive including the same: There are provided a spindle motor including a lower thrust member fixed to a base member; and a shaft fixed to the lower thrust member, wherein the lower thrust member includes a fitting protrusion protruding upwardly in the axial direction and fitted into a fixing groove formed in a lower... Agent: Samsung Electro-mechanics Co., Ltd.
20150092300 - Rotary device: A rotary device includes a rotatable member having an annular recess and a stationary member rotatably supporting the rotatable member. A circular cap having an outer circumferential edge is fixed to the rotatable member so as to cover an opening of a gap between the rotatable member and the stationary... Agent:
20150092301 - Magnetic recording head, and disk device provided with the same: A recording head of a disk device includes a main magnetic pole, a write shield which faces the main magnetic pole with a write gap interposed therebetween, a coil configured to generate a magnetic field in the main magnetic pole, and a spin torque oscillator which is arranged in the... Agent: Kabushiki Kaisha Toshiba
20150092302 - Methods for biasing electrically biasable structures: A method according to one embodiment includes biasing, by a biasing circuit, an electrically conductive structure to a predefined and/or selected voltage. A resistive link is coupled to both the biasing circuit and the electrically conductive structure, the electrically conductive structure being positioned proximate to a media hearing surface. A... Agent:
20150092303 - Graded side shield gap reader: Embodiments of the present invention generally include magnetoresistive heads, such as read heads, having a sensor structure and side shields disposed adjacent to the sensor structure. The distance between the side shields and the sensor structure increase in a direction from an ABS in the off-track direction. The magnetoresistive heads... Agent: Hgst Netherlands B.v.Previous industry: Optical: systems and elements
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