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Dynamic magnetic information storage or retrieval June invention type 06/12Below 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. 06/28/2012 > 26 patent applications in 21 patent subcategories. invention type
20120162802 - Magnetic disk medium and magnetic transfer device: According to one embodiment, a magnetic disk medium is pre-formatted on both the surfaces by magnetic transfer. Sectors with the same sector number on the front surface and the rear surface of the magnetic disk medium are arranged at positions shifted by a predetermined angle associated in advance with determination... Agent: Kabushiki Kaisha Toshiba
20120162803 - Disk storage device, controller of the same, controlling method performed by the same, and electronic device: According to one embodiment, a disk storage device includes: a disk on which a servo pattern is recorded; a head; a driver; a signal generator; a demodulator; and a controller. Position signals for detecting an offset position from a center of a track are recorded in a recording area of... Agent: Kabushiki Kaisha Toshiba
20120162804 - Magnetic head and card reader equipped with the magnetic head: A magnetic head which includes a core, a coil wound on the core, terminals to which ends of the coil are connected. The magnetic head also includes a substrate on which mounted are a demodulating electronic component for demodulating an analog output signal output from the terminals to create a... Agent:
20120162805 - Disk storage device, controller of the same, controlling method performed by the same, and electronic device: According to one embodiment, a disk storage device includes: a disk on which a servo pattern is recorded; a head; a driver; a signal generator; a demodulator; and a controller. Position signals for detecting an offset position from a center of a track are recorded in a recording area of... Agent: Kabushiki Kaisha Toshiba
20120162806 - Directional write retry for shingled disk drive application: Embodiments described herein include systems and methods for correcting for errors caused by disturbances to disk drives, such as disturbances due to shocks or vibrations incident on the drive. For example, systems and methods described herein advantageously correct for corruption to current data as well as previously written. Data may... Agent: Western Digital Technologies, Inc.
20120162807 - Method and system for operating a tape drive: Methods, computer systems, and computer program products are provided for operating a tape drive comprising a tape medium with a plurality of record groups stored thereon. Access sequence for the plurality of record groups is provided. The tape medium is positioned for reading a record group in the access sequence... Agent: International Business Machines Corporation
20120162808 - Perpendicular magnetic recording media and magnetic disc apparatus: [Solution] The perpendicular magnetic recording medium of the present invention is a perpendicular magnetic recording medium for a shingle recording type having a laminated film including a soft magnetic layer 13 and a main recording layer 16 formed on base 11, the soft magnetic layer 13 having a thickness found... Agent: Wd Media (singapore) Pte. Ltd.
20120162809 - Magnetic disk drive and method of accessing a disk in the drive: According to one embodiment, a magnetic disk drive includes a disk, a determination module, and a controller. The determination module is configured to determine whether access to the disk requires data transfer between a host and the magnetic disk drive in accessing the disk. The controller is configured to control... Agent: Kabushiki Kaisha Toshiba
20120162812 - Impact energy dispersing crash stop for a hard disk drive: A hard disk drive including a crash stop is disclosed. The crash stop includes a shaft and a resilient member covering a portion of the shaft. In addition, the resilient member includes a right side protrusion and a left side protrusion. The right and left side protrusions are configured to... Agent:
20120162814 - Information recording device and information recording method: An information recording device includes a magnetic disk, a recording control module, a detection module, and a rewrite control module. Tracks are defined on the magnetic disk, each track includes servo regions including position information and data regions. The recording control module performs a control so that information is recorded... Agent: Kabushiki Kaisha Toshiba
20120162813 - Magnetic disk drive and method for controlling microactuator in magnetic disk drive: According to one embodiment, a magnetic disk drive includes a disk, a first microactuator, a second microactuator and a servo controller. The disk comprises a first surface and a second surface. The first and second microactuators allow first and second heads associated with the first and second surfaces to make... Agent: Kabushiki Kaisha Toshiba
20120162810 - Magnetic head having a planar hall effect read sensor: In one embodiment a magnetic head includes a sensor thin film adapted for producing a planar Hall voltage, the sensor thin film having a thickness along a down-track direction that is greater than a thickness along a cross-track direction. The down-track direction is in a direction of travel of a... Agent: Hitachi Global Storage Technologies Netherlands B.v
20120162811 - Magnetic recording head having a non-conformal side gap and methods of production thereof: In one embodiment, a magnetic head includes a main pole having a leading side and a trailing side relative to a downtrack direction, a side gap layer positioned adjacent to the main pole in a crosstrack direction, and a side shield layer positioned adjacent the side gap layer in a... Agent: Hitachi Global Storage Technologies Netherlands B. V.
20120162815 - System and method for manipulating domain pinning and reversal in ferromagnetic materials: A method for manipulating domain pinning and reversal in a ferromagnetic material comprises applying an external magnetic field to a uniaxial ferromagnetic material comprising a plurality of magnetic domains, where each domain has an easy axis oriented along a predetermined direction. The external magnetic field is applied transverse to the... Agent:
20120162816 - Airflow shroud that reduces vibration of a rotating disk in a hard disk drive: A hard disk drive including a base portion, a motor-hub assembly to which at least one disk is coupled, the motor-hub assembly coupled with the base portion and an airflow shroud coupled with the base portion. The airflow shroud including an airflow inlet oriented parallel to the disk and an... Agent:
20120162817 - Reducing particles adhering to a hard disk: A spoiler of a hard disk drive including a body portion coupled with a housing of the hard disk drive and adjacent to a hard disk, and an end portion coupled with the body portion, the end portion comprising a fan-shape, the spoiler extending radially with respect to the hard... Agent:
20120162818 - Spindle motor, and disk drive apparatus including the spindle motor: A spindle motor includes a shaft arranged to extend in an axial direction, and a base portion arranged to define a portion of a housing, and including a through hole in which the shaft is inserted. A fixing region is defined between an inner circumferential portion of the base portion... Agent: Nidec Corporation
20120162819 - Latch mechanism and disk drive with the same: According to one embodiment, a latch mechanism of a disk drive includes a latch member which includes a bearing pivotably mounted on a pivot set up in the disk drive, a main body separated from the bearing, and a bridge portion connecting the bearing and the main body. The bridge... Agent: Kabushiki Kaisha Toshiba
20120162820 - Spindle motor for driving a hard disk drive: The invention relates to a spindle motor, preferably for driving a hard disk drive, having a stationary motor component and a rotatable motor component that is rotatably supported with respect to the stationary motor component and that is driven by an electromagnetic drive system, at least one storage disk being... Agent:
20120162821 - Write head with rotational write field: The present disclosure describes various ways to achieve a rotational write field using a single coil. For example, a rotational write field can be achieved with a single coil by using different yoke lengths for different poles of a write element. Also described are ways to achieve a rotational write... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20120162822 - Magnetic recording system using perpendicular exchange spring media and ring heads: The present invention generally relates to a magnetic recording system that utilizes perpendicular exchange spring media and ring heads. The write field of ring heads does not experience a strong loss as compared to pole heads because the pole can be kept long in the direction perpendicular to the recording... Agent:
20120162823 - Recording head and disk drive with the same: According to one embodiment, a recording head for perpendicular recording, includes a main pole configured to apply a recording magnetic field to a recording layer of a recording medium, a return pole opposed to the main pole with a write gap therebetween and configured to form a magnetic circuit in... Agent: Kabushiki Kaisha Toshiba
20120162824 - Retaining a spoiler in a hard disk drive: A hard disk drive comprising, a base plate comprising a pin, a top cover, a plurality of magnetic disks, and a spoiler. The spoiler includes a first spring fastener for temporary spring fastening the spoiler on the base plate, and a second spring fastener for resiliently fastening the spoiler when... Agent:
20120162825 - Interleaved conductor structure with wrap around traces: An interleaved conductor structure for electrically connecting the read/write electronics to a read/write head in a hard disk drive is provided. The interleaved conductor structure may allow for an increased characteristic-impedance range, greater interference shielding and a reduction of signal loss that is contributed by a lossy conductive substrate. The... Agent:
20120162826 - Damper within a voice coil motor: A hard disk drive including a plurality of magnetic disks and a voice coil motor. The voice coil motor includes a coil and a first damper plate for dampening vibrations generated by the coil. The first damper plate is disposed within the voice coil motor.... Agent:
20120162827 - Voice-coil motor with voice coils configured to reduce head vibrations in a disk drive: A voice-coil motor (VCM) with voice coils configured to reduce vibrations of a head when data is accessed on a disk in a disk drive. The VCM includes at least one VCM magnet and a voice-coil assembly. The voice-coil assembly includes a first voice coil and at least a second... Agent:06/21/2012 > 10 patent applications in 10 patent subcategories. invention type
20120154946 - Method and system for determining access sequence of data stored on a tape medium: Methods, computer systems, and computer program products are provided for determining an access sequence of a plurality of data groups stored on a tape medium. A first data group in the access sequence is selected based on which data group in the plurality of data groups has a beginning closest... Agent: International Business Machines Corporation
20120154947 - Method of controlling defects and apparatuses using the same: The method of controlling a defect of a hard disk drive that includes analyzing a defect type by using indexes of error corrected symbols after performing error correction with respect to each of a plurality of symbols and setting a sector as unusable when the sector includes a defect that... Agent: Samsung Electronics Co., Ltd.
20120154948 - Perpendicular magnetic recording media having low medium noise and systems using the same: In one embodiment, a perpendicular magnetic recording medium includes a substrate, a soft-magnetic underlayer above the substrate, a seed layer above the soft-magnetic underlayer, a first intermediate layer above the seed layer, a second intermediate layer above the first intermediate layer, a recording layer above the second intermediate layer, and... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20120154949 - Bipolar position error bursts with unipolar servo fields: A storage medium has a first servo field having magnetic lands separated by nonmagnetic areas, the magnetic lands of the first servo field having a unipolar pattern. The medium further includes a second servo field having magnetic lands separated by nonmagnetic areas, the magnetic lands of the second servo field... Agent: Seagate Technology LLC
20120154950 - Tape drive: A tape drive comprising a head configured to read data from a tape and to write data to the tape, a pair of flanged guide rollers arranged one on either side of the head to guide the tape longitudinally over the head, and a flangeless inertial roller arranged between a... Agent:
20120154951 - Method for manufacturing a perpendicular magnetic write pole having a write pole and trailing shield with a tapered trailing gap: A method for manufacturing a magnetic write head having a that has a write pole with a tapered trailing edge in a pole tip region, and a trailing shield that has a leading edge that tapers away from the write pole at an angle that is greater than that taper... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20120154952 - Magnetic recorder: A magnetic recorder includes: a magnetic recording medium; a reproducing head; a magnetic recording head including: a main magnetic pole; a first magnetic layer containing a TM alloy; a second magnetic layer containing a TM alloy or an RE-TM alloy; a third magnetic layer containing an RE-TM alloy; a first... Agent: Kabushiki Kaisha Toshiba
20120154953 - Head with altitude resistant air-bearing surface: Approaches for a head slider for use within a hard-disk drive. The head slider comprises an air bearing surface (ABS) and an electromagnetic transducer disposed at an air outflow end of the air bearing surface. The air bearing surface comprises a slit feature that is present prior to the electromagnetic... Agent:
20120154954 - Perpendicular magnetic write head having a laminated trailing return pole: A perpendicular magnetic write head having a laminated trailing return pole structure that reduces magnetic eddy currents in the return pole for improved write head efficiency. The trailing magnetic return pole includes multiple magnetic layers. Each magnetic layer is separated from an adjacent magnetic layer of the return pole by... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20120154955 - Magnetic structure free layer stabilization: A magnetic layered structure is presently disclosed comprising a pinned layer, a first anti-ferromagnetic layer that defines a magnetic orientation of the pinned layer, a free layer, a second anti-ferromagnetic layer that biases the free layer to a magnetic orientation approximately perpendicular to the magnetic orientation of the pinned layer,... Agent: Seagate Technology LLC06/14/2012 > 12 patent applications in 11 patent subcategories. invention type
20120147493 - Phase calibration system for disk drives: A method and disk drive for calibrating a phase of a clock in the disk drive. The phase of the clock in the disk drive is changed such that a rate of change for the phase is substantially constant. A pattern of data is written to a magnetic material in... Agent: Lsi Corporation
20120147494 - Power-supply device, and led lighting equipment and hard disk drive using the same: A power supply device includes two buck converters, having a coupling inductor Lo composed of two mutually-coupled inductors L1, L2, and a output capacitor Co, wherein of the two buck converters, a first buck converter is operated during a positive half-cycle period of an AC input voltage, and a second... Agent:
20120147495 - Method and apparatus for reducing repeatable runout in storage systems: A storage system includes a first buffer configured to store a first repeatable runout profile (RRP) for a sector of a rotating storage medium. A second buffer is configured to store a second RRP for the sector. A controller: controls a servo of the rotating storage medium based on the... Agent:
20120147496 - Servomechanism with adjustable predictor filter: A digital control system, and in particular a tape drive system having a track-following servomechanism with a predictor (also referred to herein as a predictor filter), is described. In certain embodiments, the servomechanism includes an actuator, a servo channel, and a predictor coupled to the servo channel. The predictor receives... Agent: International Business Machines Corporation
20120147498 - Head ic and magnetic disk apparatus having microwave assistance function: According to one embodiment, it is determined whether a STOAR element which performs microwave assistance for a magnetic disk apparatus is made to oscillate properly. When the STOAR element is oscillating when a current bias is applied, the resistance of the element increases. Therefore, in a head IC which outputs... Agent: Kabushiki Kaisha Toshiba
20120147497 - Magnetic recording medium and magnetic recording apparatus: According to one embodiment, a magnetic recording medium includes: a data region including a plurality of first magnetic dots disposed at specific positions for recording data; and a servo region including a plurality of second magnetic dots disposed at specific positions for identifying the position of the first magnetic dots,... Agent: Kabushiki Kaisha Toshiba
20120147499 - Magnetic head for perpendicular magnetic recording with shield around main pole: A magnetic head includes a shield, and first and second return path sections. The shield has an end face that is located in a medium facing surface to wrap around an end face of a main pole. The shield includes a bottom shield, two side shields, and a top shield.... Agent: Headway Technologies, Inc.
20120147500 - Magnetic head for perpendicular magnetic recording having a tapered main pole: A bottom end of a main pole includes first, second, and third portions that are contiguously arranged in order of increasing distance from the medium facing surface. A top surface of the main pole includes fourth, fifth, and sixth portions that are contiguously arranged in order of increasing distance from... Agent: Headway Technologies, Inc.
20120147501 - Magnetic head for perpendicular magnetic recording with shield around main pole: A magnetic head includes a shield, and first and second return path sections. The shield has an end face that is located in a medium facing surface to wrap around an end face of a main pole. The shield includes a bottom shield, two side shields, and a top shield.... Agent: Headway Technologies, Inc.
20120147502 - Magnetic recording head, method of manufacturing the same, and magnetic disk unit: Minute elements are formed while a photo deviation is suppressed between a spin torque oscillator and a main pole and damage is prevented on the ends of the spin torque oscillator in microwave-assisted recording. A magnetic recording head used for microwave-assisted recording includes: a main pole; a spin torque oscillator... Agent: Hitachi, Ltd.
20120147503 - Double shell writers: An apparatus illustratively includes a return pole (RP) and a shield. The RP has a first RP magnetic layer, a second RP magnetic layer, and a RP non-magnetic layer. The RP non-magnetic layer separates and magnetically decouples the RP first and second magnetic layers. The shield has a first shield... Agent: Seagate Technology LLC
20120147504 - High resolution magnetic read head: A CPP MR read head and its method of fabrication includes a patterned CPP MR sensor stack having a SAF free layer structure that is longitudinally biased by the combination of an exchange biasing layer formed over the sensor stack and hard biasing layers that are formed adjacent to the... Agent: Headway Technologies, Inc.06/07/2012 > 8 patent applications in 7 patent subcategories. invention type
20120140354 - Spin torque oscillator, method of manufacturing the same, magnetic recording head, magnetic head assembly, and magnetic recording apparatus: According to one embodiment, there is provided a spin torque oscillator including an oscillation layer formed of a magnetic material, a spin injection layer formed of a magnetic material and configured to inject a spin into the oscillation layer, and a current confinement layer including an insulating portion formed of... Agent: Kabushiki Kaisha Toshiba
20120140355 - Reliability-aware disk power management: A token value is maintained based on an allowable number of low power transitions of a hard disk drive without adversely affecting reliability, compared to an actual number of low power transitions of said hard disk drive. The allowable number of low power transitions increases over the hard disk drive's... Agent: International Business Machine Corporation
20120140357 - Magnetic recording medium having recording regions and separating regions and methods of manufacturing the same: In one embodiment, a method for forming a magnetic recording medium includes forming a protective layer above reading regions of a patterned magnetic recording layer and separating regions between the recording regions, wherein the protective layer forms on sides of the recording regions and partially fills the separating regions, and... Agent: Hitachi Global Storage Technologies Netherlands B. V.
20120140356 - Perpendicular magnetic recording head with domain controlled side shield: In one embodiment, a perpendicular magnetic head includes a main magnetic pole, a trailing shield, and a multilayered side/leading shield disposed on a leading side of the main magnetic pole in a down-track direction and on either side of the main magnetic pole in a cross-track direction. The side/leading shield... Agent: Hitachi Global Storage Technologies Netherlands B. V.
20120140358 - Magnetic head for perpendicular magnetic recording with shield around main magnetic pole: A magnetic head includes a main magnetic pole, a shield having an end face located in a medium facing surface to wrap around an end face of the main magnetic pole, and a gap part provided between the main magnetic pole and the shield. The shield includes a bottom shield,... Agent: Headway Technologies, Inc.
20120140359 - Perpendicular magnetic recording media: [Solution] A perpendicular magnetic recording medium according to the present invention is configured to include a magnetic recording layer 122 that records a signal, and a soft magnetic layer 114 provided below the magnetic recording layer, on a base 110 on a main surface of which textures are formed, wherein... Agent: Wd Media (singapore) Pte. Ltd.
20120140360 - Integrated lead suspension (ils) for use with a dual stage actuator (dsa): Approaches for integrated lead suspension that provides many benefits, such as enabling a dual stage actuator (DSA) to be used with a single layer flex with a reduced amount of crosstalk. An integrated lead suspension comprises a tail end having a plurality of conductive pads positioned thereat. The plurality of... Agent:
20120140361 - Magnetic head, head assembly, and magnetic recording/reproducing apparatus to reduce risk of wide area track erase: A magnetic head includes a main magnetic pole layer and a yoke layer. The main magnetic pole layer generates a magnetic flux of a recording magnetic field and includes a magnetic pole front part and a magnetic pole rear part. The yoke layer is disposed at the magnetic pole rear... Agent: Tdk CorporationPrevious industry: Optical: systems and elements
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