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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.
05/28/2015 > 9 patent applications in 7 patent subcategories.

20150146317 - Reclamation of data on tape cartridge: A method is provided for automatically reclaiming areas with unneeded data in a tape cartridge (medium) storing files updated by appended writing. In this reclamation method, the appended writing entails the sequential compression of data needed by the updated file (needed data) and data not needed by the file (unneeded... Agent:

20150146318 - Head position demodulation method and magnetic disk device: According to one embodiment, at demodulation of an A-phase burst pattern and a B-phase burst pattern arranged in a down-track direction so as to be different from each other in phase in a cross-track direction, the demodulated position of a magnetic head is calculated based on a sin component and... Agent: Kabushiki Kaisha Toshiba

20150146319 - Disk drive slider with sense amplifier for coupling to a preamp through a supply/bias line and a read signal line: A disk drive slider is disclosed comprising a first read element for generating a first read signal, and a first sense amplifier comprising a first input terminal coupled to the first read element, a first output terminal coupled to a first output line, and a first supply terminal coupled to... Agent: Western Digital Technologies, Inc.

20150146320 - 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:

20150146321 - Controlling data writing of tape recording apparatus: A method according to another embodiment includes writing data on a tape medium in a direction from a first end toward a second end of the tape medium using a tape recording apparatus. The tape recording apparatus includes a magnetic head and is configured to record data on tape media.... Agent:

20150146322 - Data storage device: According to an embodiment of the present invention, a data storage device comprising a motor having a stator is disclosed. The stator may include a substrate having a first surface and a second surface opposite to the first surface; and a n-phase winding arrangement having n phase windings; wherein each... Agent: Agency For Science, Technology And Research

20150146323 - Magnetic recording head and disk drive provided therewith: According to one embodiment, a magnetic recording head includes a main pole configured to apply a recording magnetic field to a recording layer of a recording medium, a trailing shield opposed to the main pole with a write gap therebetween, and a high-frequency oscillator between the main pole and the... Agent:

20150146324 - Magnetic recording head and disk drive provided therewith: According to one embodiment, a magnetic recording head includes a main pole configured to apply a recording magnetic field to a recording layer of a recording medium, a trailing shield opposed to the main pole with a write gap therebetween, and a high-frequency oscillator between the main pole and the... Agent:

20150146325 - Suspension assembly, head suspension assembly, and magnetic disk drive: According to one embodiment, a suspension assembly including a load beam and an electric wiring member is provided. The load beam has a thin plate-like shape that extends from a base part toward a distal end. The electric wiring member extends from the base part toward the distal end to... Agent: Kabushiki Kaisha Toshiba

05/21/2015 > 15 patent applications in 12 patent subcategories.

20150138662 - Tape drive buffer utilization: Records or filemarks read from data segments are aggregated into at least one single data segment. The records and the filemarks are padded at an end of the one single data segment, such that the padding of the end of the one single data segment is less than padding of... Agent: International Business Machines Corporation

20150138664 - Fpc assembly and disk drive: According to one embodiment, there is provided an FPC (Flexible Printed Circuits) assembly including an FPC and a reinforcing plate The reinforcing plate reinforces a part of the FPC. The reinforcing plate has a first part and a second part. The first part is disposed in a part of the... Agent: Kabushiki Kaisha Toshiba

20150138663 - Magnetic recording disk drive with write driver to write head transmission line with multiple segments having different numbers of conductive traces: A multiple-segment transmission line in a hard disk drive enables a wider optimization range of the slope, duration and amplitude of the transmission line overshoot (TLO) wave shape. There is a first segment with two traces for connection to the write driver circuitry, an end segment with two traces for... Agent: Hgst Netherlands B.v.

20150138666 - Method and structure for improving performance and storage density in a data storage device: A data storage device with improved data storage densities, coupled with lower hard error and write-inhibit events is described. A feed-forward write inhibit (FFWI) method enables data tracks to be written more densely. Alternatively, the FFWI method may reduce the hard error and write inhibit events to improve data storage... Agent:

20150138665 - Writing and reading data in tape media: A mechanism is provided for determining storage device speed based on a ratio of data compression. A bandwidth (B) is identified between a storage device accessing storage medium and a host application requesting access to data on the storage medium. A host side transfer rate is identified, where the host... Agent: International Business Machines Corporation

20150138667 - Magnetic disk device: According to one embodiment, there is provided a magnetic disk device including a magnetic disk, a storage unit, and a control unit. The magnetic disk includes a recording region. The storage unit is configured to store a value according to number of accesses to each of a plurality of regions... Agent: Kabushiki Kaisha Toshiba

20150138668 - Multi-read sensor having a narrow read gap structure: In one embodiment, a magnetic head includes at least one magnetoresistive (MR) element positioned at a media-facing surface of the magnetic head, a lower portion of the at least one MR element extending in an element height direction away from the media-facing surface of the magnetic head farther than an... Agent: Hgst Netherlands B.v.

20150138669 - Head gimbal assembly and disk unit provided with the same: A head gimbal assembly includes a load beam, a wiring member including a metal plate disposed on the load beam, a magnetic head attached to a tip section of the wiring member, and a piezoelectric element that is fixed to and supported by supporting pads and deforms in response to... Agent: Kabushiki Kaisha Toshiba

20150138670 - Spindle motor and disk drive apparatus: A base member includes a base through-hole which interconnects an upper opening and a lower opening. An insulating sheet portion is disposed at a lower surface side of the base member. The insulating sheet portion covers at least a portion of the lower opening. Lead wires extending from coils extend... Agent:

20150138671 - Magnetic head for perpendicular magnetic recording including a heater: A magnetic head includes a main pole, an expansion member, and a heater. The main pole has an end face located in a medium facing surface. The expansion member is located farther from the medium facing surface than is the main pole and adjacent to the main pole in a... Agent: Headway Technologies, Inc.

20150138672 - Magnetic recording head and disk drive provided therewith: According to one embodiment, a magnetic recording head includes a main pole configured to apply a recording magnetic field to a recording layer of a recording medium, a trailing shield opposed to the main pole with a write gap therebetween, and a high-frequency oscillator between the main pole and the... Agent:

20150138673 - Method for manufacturing a magnetic tape head using an ink mask formed by printing: A method for forming a protective overcoat onto a tape bearing surface of a tape head used for magnetic tape recording. In order to ensure optimal surface tension and liftoff properties of the ink mask, the tape bearing surface is treated with a first application of ethanol, followed by an... Agent: Hgst Netherlands B.v.

20150138674 - Single-piece yoke damper for voice coil actuator: Approaches to improving actuator settle time by damping vibrations resulting from coil modes, such as with a voice coil actuator in a hard disk drive, include a single-piece damper plate coupled to the voice coil actuator yoke. The damper plate may be a single U-shaped piece of metal that covers... Agent: Hgst Netherlands B.v.

20150138675 - Disk drive flexure: A flexure tail is provided in a flexure including a metal base and a conductive circuit portion. The flexure tail includes a tail pad portion. In the tail pad portion, tail electrodes to are arranged. At the tail pad portion, a stub which remains after a test pad portion is... Agent: Nhk Spring Co., Ltd.

20150138676 - Apparatus, systems and processes for reducing a hard disk drive's access time and concomitant power optimization: Rotational latency is reduced in a standard conventional form factor HDD system by replacing, for example—the prior art rotary arm actuator of a conventional HDD, with one or more belts and pulleys and one or more read/write heads mounted on, or otherwise associated with the belts. Multiple scaled iterations facilitate... Agent:

05/14/2015 > 7 patent applications in 7 patent subcategories.

20150131178 - Magnetic data eraser: The magnetic data eraser includes: a mounting and immobilizing tray on which a magnetic recording medium is mounted, the mounting tray being inclined at an angle of 60±10 degrees to the horizontal; a magnetizer that is encircled by a magnetizing coil, the magnetizer having a hollow portion into which the... Agent:

20150131179 - Magnetic sensor with doped ferromagnetic cap and/or underlayer: A magnetic head according to one embodiment includes an underlayer, a first nonmagnetic spacer layer above the underlayer, a free layer above the first nonmagnetic spacer layer, a second nonmagnetic spacer layer above the free layer, and a cap layer above the second nonmagnetic spacer layer. At least one of... Agent: Hgst Netherlands B.v.

20150131180 - Operating a tape storage device: An apparatus for operating a tape storage device comprises a first tape skew determination unit for providing a first tape skew value concerning a skew of a tape in the tape storage device, and a second tape skew determination unit for providing a second tape skew value concerning the skew... Agent:

20150131181 - Fluid dynamic bearing unit and disk drive device including the same: A first sleeve rotatably extends around a shaft. First and second flanges are fixed to the shaft. A second sleeve extending around the first sleeve is fixed thereto. A first annular member fixed to the second sleeve surrounds the first flange. A second annular member fixed to the second flange... Agent: Samsung Electro-mechanics Japan Advanced Technology Co., Ltd.

20150131182 - Magnetic stack coupling buffer layer: A data storage system may be configured at least with a seed lamination that is disposed between a magnetic stack and a magnetic shield. The seed lamination may be constructed and operated with a coupling buffer layer and a seed layer with the coupling buffer layer fabricated of an alloy... Agent: Seagate Technology LLC

20150131183 - Microwave-assisted magnetic recording head with high saturation magnetization material side shield: Approaches to improving the signal-to-noise ratio in a microwave-assisted magnetic recording hard disk drive over the entire region from the inner diameter to the outer diameter of the disk, especially in the context of shingled magnetic recording, include a narrower side gap on the side opposing a spin torque oscillator... Agent:

20150131184 - Tapered write head for mamr: Embodiments described herein provide an MAMR head structure which provides a magnetic recording device equipped with a high density recording magnetic head. Characteristic variations caused by misalignment of a main pole and a STO may be reduced because the STO may be aligned with a position on the main pole... Agent: Hgst Netherlands B.v.

05/07/2015 > 10 patent applications in 8 patent subcategories.

20150124346 - Cross-track interference testing of a hard disk drive: Described herein is a method for testing an electronic information storage device having a read and write head includes writing a plurality of pattern periods along a single track of a magnetic recording medium of the electronic information storage device using the write head. The method also includes mapping read... Agent: Hgst Netherlands B.v.

20150124348 - Adjusting tension in a tape media to counter tape dimensional stability (tds) errors in a tape media: Provided are a method, system, and program for adjusting tension in a tape media to counter tape dimensional stability (TDS) errors in a tape media. A determination is made of whether to adjust tension of the tape media based on a detected error rate of reading at least one of... Agent:

20150124347 - Magnetic head having a spin torque oscillator (sto) with a hybrid heusler field generation layer (fgl): In one embodiment, a magnetic head includes a main pole configured to write data to a magnetic medium, a trailing shield positioned on a trailing side of the main pole, and a STO between the main pole and the trailing shield, wherein the STO includes a laminated structure having a... Agent: Hgst Netherlands B.v.

20150124349 - Apparatus and method for controlling transportation of tape medium: An apparatus, computer readable medium device, and method for controlling transportation of a tape medium. A determination is made whether to execute a backhitch operation in response to writing a data set to tape from the buffer. If not, a determination is made whether a transaction size at which data... Agent:

20150124351 - Magnetic media access head with metal coating: Embodiments disclosed herein provide magnetic media access heads with metal coatings. In a particular embodiment, a magnetic media head for accessing magnetic media comprises a base substrate configured to support a magnetic head layer. The magnetic head layer is formed on the base substrate and configured to magnetically access the... Agent:

20150124350 - Vertically and horizontally weakly coupled perpendicular small grain media: In one general embodiment, a magnetic medium includes a recording layer having at least three exchange control layers each having a magnetic moment less than 100 emu/cc, and four magnetic layers separated from one another by the exchange control layers. An uppermost of the magnetic layers is doped with oxygen.... Agent: Hgst Netherlands B.v.

20150124352 - Flexible cable assembly having reduced-tolerance electrical connection pads: A flexible printed circuit (FPC) may have reduced-tolerance electrical connection pads that comprise a connection portion and an adjacent window portion, where the position of a component that is mechanically and electrically connected to the FPC is limited by the geometry of the connection portion of the respective connection pads.... Agent: Hgst Netherlands B.v.

20150124353 - Magnetic head for microwave assisted magnetic recording: Embodiments of the present invention generally relate to a MAMR head. The MAMR head includes an STO and an embedded contact sensor (ECS). The STO and the ECS are electrically connected in series and are connected to the same terminals. During operation, the current applied to the STO is controlled... Agent: Hgst Netherlands B.v.

20150124354 - Contact pad for recording heads: A recording head that includes at least one protection feature that prevents at least one other feature of the recording head from directly colliding with a data storage medium with which the recording head communicates. The recording head includes a transducer element having a leading edge and a trailing edge.... Agent: Seagate Technology LLC

20150124355 - Recording head with piezoelectric contact sensor: Example embodiments include an apparatus that has a piezoelectric contact sensor. The piezoelectric contact sensor includes a semiconductor device having a semiconductor material that defines a channel through which current can flow. The piezoelectric contact sensor also includes a piezoelectric element coupled to the semiconductor material. The semiconductor material is... Agent: Seagate Technology LLC

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