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Dynamic magnetic information storage or retrieval

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.
  
04/10/2014 > 6 patent applications in 6 patent subcategories.

20140098438 - Partial write system: A method and system can be implemented to perform a read-modify-write operation on data recorded in a shingled media format. In one embodiment, a write operation on a band of data stored on a magnetic recording medium is initiated at an intermediate position within the band of data. This is... Agent: Seagate Technology LLC

20140098439 - Thermally-assisted magnetic write head, head gimbal assembly, head arm assembly, and magnetic disk unit: A thermally-assisted magnetic write head includes a waveguide, a magnetic pole, and a plasmon generator interposed between the waveguide and the magnetic pole. The magnetic pole includes a first surface exposed on an air bearing surface, a second surface facing the plasmon generator, and a third surface connecting the first... Agent: Tdk Corporation

20140098440 - Co-located gimbal-based dual stage actuation disk drive suspensions with dampers: Various embodiments concern a gimbaled flexure having a dual stage actuation structure comprising flexure which comprises a gimbal. The gimbal comprises at least one spring arm and a tongue connected to the at least one spring arm. The dual stage actuation structure further comprises a motor mounted on the gimbal,... Agent:

20140098441 - Perpendicular magnetic write head and magnetic recording device: A perpendicular magnetic write head includes: a magnetic pole having an end surface exposed on an air bearing surface, and extending in a height direction perpendicular to the air bearing surface; a first yoke having an end surface exposed on the air bearing surface, and facing a forward section of... Agent: Tdk Corporation

20140098442 - Write pole tip with trailing edge recess: A data writer may be constructed, in accordance with some embodiments, with a write pole tip that is configured with leading and trailing edges on opposite sides of a tip body. The trailing edge may be shaped by a recess that extends into the tip body towards the leading edge.... Agent: Seagate Technology LLC

20140098443 - Magnetoresistive-based mixed anisotropy high field sensor: A mixed anisotropy magnetic field sensor includes a first magnetic material film having in-plane anisotropy with a first magnetic easy axis that is in-plane, a second magnetic material film having out-of-plane anisotropy with a second magnetic easy axis that is perpendicular to the first magnetic easy axis of the first... Agent: Nve Corporation

  
04/03/2014 > 6 patent applications in 6 patent subcategories.
  
03/27/2014 > 13 patent applications in 12 patent subcategories.

20140085743 - Real time mra estimation and correction using adc samples: Methods and systems for estimating MRA for a hard disk drive are described. The methods and systems described herein provide for real time estimating and correcting magneto-resistive head asymmetry (MRA) in a hard disk drive using analog-to-digital convertor (ADC) samples or counts. Generally, ADC outputs may be obtained by injecting... Agent: Lsi Corporation

20140085744 - System and method for archive verification using multiple attempts: Systems, methods and apparatus for archive verification including the verification of media in a library, are disclosed. More specifically, a method of archive verification may include performing an initial verification on a first media in a first drive and performing a subsequent verification on the first media in a second... Agent: Kip Cr P1 Lp

20140085745 - Storage media asperity detection: The present application discloses a transducer head comprising a read element that reads data from a storage media and an asperity sensor that detects a dimension of an asperity on a surface of the storage media using a temperature change at the asperity sensor. The asperity may be one or... Agent: Seagate Technology LLC

20140085746 - Apparatus, method and program product for controlling data writing of tape recording apparatus: In one embodiment, a write controlling method is provided that adjusts the timing to wrap-turn the tape running direction depending on the data amount in order to reduce the time required for positioning in reading any data by performing back-and-forth data writing by positioning a magnetic head of a tape... Agent: International Business Machines Corporation

20140085747 - Base plate for hard disk drive, method for manufacturing the same, and hard disk drive including the same: There is provided a base plate including: a base body; and a component receiving part penetrating through the base body so as to receive a circuit component mounted on a substrate therein at the time of coupling the substrate and the base body, wherein the component receiving part includes a... Agent: Samsung Electro-mechanics Co., Ltd.

20140085748 - Device such as magnetic head having hardened dielectric portions: A device according to one embodiment includes a substrate; and a plurality of thin films above the substrate, the thin films having at least one dielectric layer; wherein the at least one dielectric layer has a more crystalline structure towards a first end thereof than towards an end thereof opposite... Agent: International Business Machines Corporation

20140085749 - Spindle motor and disk drive apparatus: A spindle motor includes a stationary portion and a rotating portion. The stationary portion includes a shaft and an upper annular member. The rotating portion includes a sleeve. The shaft includes an annular or substantially annular upper shaft recessed portion recessed radially inward from an outside surface of the shaft.... Agent: Nidec Corporation

20140085750 - Glass substrate for a magnetic disk, magnetic disk and method of manufacturing a magnetic disk: A glass substrate for a magnetic disk, wherein, in regions with respect to two places arbitrarily selected on a surface of the glass substrate on its central portion side relative to its outer peripheral end, a surface shape with a shape wavelength in a band of 60 to 500 μm... Agent: Hoya Corporation

20140085751 - Method of making a multi-channel time based servo tape media: A thin film magnetic recording head is fabricated by forming a substrate from opposing ferrite blocks which have a ceramic member bonded between them. This structure is then diced to form a plurality of columns, wherein each column has a ferrite/ceramic combination. Each column represents a single channel in the... Agent: Advanced Research Corporation

20140085752 - Cartridge drive apparatus: A cartridge drive apparatus includes a hole detection lever and a hole detector. The hole detection lever is provided with a projection corresponding to an identification hole position of a first shell of a cartridge at an insertion completion position of the cartridge. The projection is supported with respect to... Agent: Sony Corporation

20140085753 - Spin-torque oscillator for microwave assisted magnetic recording: A microwave assisted magnetic recording write head having a spin torque oscillator capable of producing high strength high frequency magnetic oscillations with reduced applied current. The spin torque oscillator uses a magnetic field generation layer with a high moment material including such as Fe and Co that is formed on... Agent: Hgst Netherlands B.v.

20140085754 - Disk drive suspension: A slider and microactuator elements are disposed on a gimbal portion of a flexure. A tongue of the gimbal portion has a first tongue portion, a second tongue portion, and a hinge portion. A leading-side portion of the slider is movably disposed on the first tongue portion. A trailing-side portion... Agent: Nhk Spring Co., Ltd.

20140085755 - Disk drive suspension: A slider and a microactuator element are disposed on a gimbal portion of a flexure. The gimbal portion comprises a metal base, an electrically insulating resin layer, a conductor disposed on the resin layer, an electrically insulating adhesive block, and an electrically conductive paste. The adhesive block secures an end... Agent: Nhk Spring Co., Ltd.

  
03/20/2014 > 14 patent applications in 10 patent subcategories.

20140078608 - Systems and methods for hard decision based iti cancellation: Embodiments of the present inventions are related to systems and methods for data processing, and more particularly to systems and methods for reducing inter-track interference in relation to processing data retrieved from a storage medium.... Agent: Lsi Corporation

20140078609 - Access to migrated tapes: A system including a tape library and a tape drive. The tape library identifies which tapes in the tape library include one or more migrated tapes. The tape drive provides access to each migrated tape of the one or more migrated tapes by an original application.... Agent: Hewlett-packard Development Company, L.p.

20140078611 - Method and system for preventing unreliable data operations at cold temperatures: Systems and methods for reducing problems and disadvantages associated with protecting data during cold excursions are provided. A method for preventing unreliable data operations at cold temperatures may include determining whether a first internal temperature of a hard disk drive (HDD) is below a threshold temperature. The method may also... Agent:

20140078610 - Motor drive device, magnetic disk storage device, and electronic appliance: A motor drive device has: a power supply line to which a power supply voltage is applied; a ground line to which a ground voltage is applied; and a first motor driver that, when the power supply voltage is normal, rotates an N-phase first motor (where N is an integer... Agent: Rohm Co., Ltd.

20140078614 - Magnetic disk device and demodulation position correcting method: According to one embodiment, a magnetic head, a magnetic disk and a magnetic recording controller are provided. The magnetic disk has a burst pattern recorded thereon for determining a position of the magnetic head on a track based on a reading result by the magnetic head. The magnetic recording controller... Agent: Kabushiki Kaisha Toshiba

20140078612 - Methods and devices for controlling head-to-media spacing: c

20140078613 - Motor drive device, magnetic disk storage device, and electronic apparatus: A motor drive device has: a power supply line to which a power supply voltage is applied; a ground line to which a ground voltage is applied; and a first motor driver that, when the power supply voltage is normal, rotates an N-phase first motor (where N is an integer... Agent: Rohm Co., Ltd.

20140078615 - Spindle motor and hard disk drive including the same: There are provided a spindle motor and a hard disk drive including the same, the spindle motor including a lower thrust member fixed to abase member; a shaft fixed to the lower thrust member; a sleeve disposed on the lower thrust member and rotatably installed with respect to the shaft;... Agent: Samsung Electro-mechanics Co., Ltd.

20140078616 - Fluid dynamic motor with reduced vibrations: An apparatus includes a hub, a first disk, a second disk, and a spacer. The hub is supported for relative rotation about a stationary component. The first disk is mounted to the hub with a first dynamic resonance mode associated therewith. The second disk is mounted to the hub with... Agent: Seagate Technology LLC

20140078617 - Hydrodynamic bearing apparatus and spindle motor and disk drive apparatus including the same: A bearing apparatus includes an upper annular portion that has a circular or substantially circular ring shape, and is arranged to project radially outward from a stationary shaft. One of an upper surface of a sleeve and a lower surface of the upper annular portion includes a first pumping groove... Agent: Nidec Corporation

20140078618 - Magnetic recording head and disk drive including the same: According to one embodiment, a magnetic recording head of a disk drive includes a main pole configured to generate a magnetic field in a direction perpendicular to a recording layer of a recording medium, a write shield magnetic pole opposite to a trailing side of the main pole with a... Agent: Kabushiki Kaisha Toshiba

20140078619 - Shield designs with internal magnetization control for ate improvement: A magnetic recording head is fabricated with a pole tip shielded laterally on its sides by a pair of symmetrically disposed side shields formed of porous heterogeneous material that contains non-magnetic inclusions. The non-magnetic inclusions, when properly incorporated within the magnetic matrix of the shields, promote the formation of flux... Agent: Headway Technologies, Inc.

20140078620 - Microwave-assisted magnetic recording head, method of manufacturing the same, magnetic head assembly using the same, and magnetic recording/reproduction apparatus: According to one embodiment, a magnetic recording head manufacturing method includes forming a spin torque oscillator layer on a main magnetic pole layer, forming a mask on the spin torque oscillator layer, processing the spin torque oscillator layer by performing ion beam etching through the mask, and partially modifying the... Agent: Kabushiki Kaisha Toshiba

20140078621 - Co-located gimbal-based dual stage actuation disk drive suspensions: Various embodiments concern a suspension having a DSA structure on a gimbaled flexure. The suspension comprises a loadbeam and flexure attached thereto. The flexure comprises a pair of spring arms, a tongue located between the spring arms and structurally supported by the pair of spring arms, and a pair of... Agent:

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