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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.
  
11/13/2014 > 15 patent applications in 10 patent subcategories.

20140334028 - Systems and methods for processing data with linear phase noise predictive filter: Systems, methods, devices, circuits for data processing, and more particularly to systems and methods for data processing with a linear phase noise predictive filter. A data processing system includes an equalizer circuit operable to filter a digital data input to yield equalized data, a linear phase noise predictive finite impulse... Agent:

20140334029 - Magnetoresistive element, magnetic head, and magnetic recording and reproducing apparatus: A magnetoresistive element according to an embodiment includes: a magnetoresistance effect film including: a first and second magnetic films; and an intermediate film disposed between the first and second magnetic films, at least one of the first and second magnetic films being formed of a Heusler alloy expressed as Co100-x(AyB1.0-y)x... Agent: Kabushiki Kaisha Toshiba

20140334030 - Recording head with dual coil/dual shield arrangement and high frequency oscillator: According to one embodiment, a recording head includes a main pole, a trailing shield including a first connecting portion and a second connecting portion, and configured to form together with the main pole a first magnetic core, a leading shield including a first connecting portion connected to the main pole... Agent:

20140334032 - Antiferromagnetic (afm) grain growth controlled random telegraph noise (rtn) suppressed magnetic head: In one embodiment, a magnetic read head includes an antiferromagnetic (AFM) layer including a MnIr alloy having an L12 ordered phase, a pinned layer positioned above the AFM layer, and a seed layer positioned directly below the AFM layer, wherein the seed layer includes a laminated structure with an upper... Agent: Hgst Netherlands B.v.

20140334031 - Thermally stable low random telegraph noise sensor: In one embodiment, magnetic read head includes a seed layer including an amorphous alloy film and Ru film positioned thereon, and an antiferromagnetic (AFM) layer positioned above the seed layer, the AFM layer including an alloy of MnIr having an L12 ordered phase, the amorphous alloy including a Co—X alloy... Agent: Hgst Netherlands B.v.

20140334033 - Quasi-statically oriented head for recording non-legacy formats: Apparatuses are configured to addresses tape dimensional stability (TDS) via small rotations about the quasi-static tilt angle and read and/or write data in non-legacy formats. Products such as tape media products are also presented.... Agent: International Business Machines Corporation

20140334034 - Motor and disk drive apparatus: A motor includes a rotating portion and a stationary portion. The stationary portion includes a shaft component which includes an inner shaft portion and an outer shaft portion, an upper plate portion, and a lower plate portion. The upper plate portion is disposed in one side of the shaft component... Agent:

20140334035 - Motor and disk drive apparatus: A motor includes a rotating portion including a sleeve portion and a stationary portion. The stationary portion includes a shaft component which includes an inner shaft portion and an outer shaft portion. A radial dynamic pressure generating groove array is provided on at least one surface of an inner circumferential... Agent:

20140334036 - Rotating device: A rotating device comprises: a rotor comprising: a hub on which a magnetic recording disk is to be mounted; a shaft extending along a rotational axis of the hub, one side of the shaft being fixed to the hub; a flange surrounding the other side of the shaft, the flange... Agent: Samsung Electro-mechanics Japan Advanced Technology Co., Ltd.

20140334037 - Magnetic write head having electrically biasable structures: An apparatus according to one embodiment includes a resistive link coupled to both an electrically conductive bus and an electrically conductive structure, the electrically conductive structure being positioned proximate to a media bearing surface. An apparatus according to another embodiment includes an array of transducers; an electrically conductive bus; and... Agent: International Business Machines Corporation

20140334038 - Disk drive read circuit comprising an ac coupled sense amplifier for amplifying a read signal: A disk drive read circuit is disclosed comprising a read element for generating a read signal, and a sense amplifier comprising an input terminal coupled through a first capacitor to the read element and an output terminal coupled through a second capacitor to a transmission line, wherein the sense amplifier... Agent: Western Digital Technologies, Inc.

20140334039 - Perpendicular magnetic recording media having novel seed layer: A magnetic medium for perpendicular magnetic data recording, having improved magnetic properties through use of a novel seed layer. The magnetic medium includes a substrate having a seed layer, a magnetic under-layer and a magnetic recording layer formed there-over. The seed layer includes an element selected from a first group... Agent: Hgst Netherlands B.v.

20140334040 - Magnetic shield base lamination: A magnetic element may generally be configured as a read head with at least a magnetic stack that contacts at least one magnetic shield. The magnetic shield can be positioned on top of a base lamination and have at least a predetermined anisotropy and magnetic coercivity corresponding to the base... Agent: Seagate Technology LLC

20140334041 - Magnetoresistive element, magnetic head, magnetic recording and reproducing apparatus, and method of manufacturing magnetoresistive element: A magnetoresistive element according to an embodiment includes: a magnetoresistance effect film including: a first magnetic film; a second magnetic film; and an intermediate film of a nonmagnetic material disposed between the first magnetic film and the second magnetic film, at least one of the first magnetic film and the... Agent: Kabushiki Kaisha Toshiba

20140334042 - Reader with decoupled magnetic seed layer: An apparatus comprising a base shield and a sensor stack, wherein the base shield is separated from the sensor stack via a first soft magnetic layer that is magnetically decoupled form the base shield.... Agent:

  
11/06/2014 > 9 patent applications in 7 patent subcategories.

20140327981 - Margining decoding utilizing soft-inputs: Determining a parameter associated with whether a portion of a storage device is defective is disclosed. Determining comprises: obtaining known data associated with the portion; reading back from the portion to produce a read-back waveform; decoding the read-back waveform, including producing statistical information; and determining a parameter associated with whether... Agent: Sk Hynix Memory Solutions Inc.

20140327982 - Data storage device and method for generating a reference clock signal for data storage device: Various embodiments provide a data storage device. The data storage device includes a recording medium having a dedicated servo layer for providing servo information. The dedicated servo layer may include a plurality of servo patterns, wherein each servo pattern includes a preamble providing information for synchronization of at least one... Agent:

20140327983 - Quasi-statically oriented, bi-directional tape recording head: In one general embodiment, an apparatus includes a magnetic head. The magnetic head has a first array of data transducers, a second array of data transducers spaced from the first array, and a third array of data transducers positioned between the first and second arrays. The magnetic head is positionable... Agent: International Business Machines Corportion

20140327985 - 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: International Business Machines Corporation

20140327984 - Magnetic head having canted arrays: An apparatus according to one embodiment includes a magnetic head, the magnetic head having: a tape bearing surface having a first edge oriented perpendicular to an intended direction of tape travel thereacross; and an array of transducers in and/or adjacent the tape bearing surface, wherein a longitudinal axis of the... Agent: International Business Machines Corporation

20140327986 - Magnetic recording head having quilted-type coating: A module according to one embodiment includes a plurality of transducers; a tape bearing surface having a transducer region aligned with the transducers in a tape travel direction, and outer regions flanking the transducer region in a direction perpendicular to the tape travel direction; a first coating on the transducer... Agent:

20140327987 - Magnetic head and system having offset arrays: In one general embodiment, an apparatus includes at least two modules, each of the modules having an array of transducers, wherein the at least two modules are fixed relative to each other, wherein an axis of each array is defined between opposite ends thereof, wherein the axes of the arrays... Agent: International Business Machines Corporation

20140327988 - Data reader with back edge surface: A data reader can be configured with at least a magnetically responsive lamination that has a first portion with a first stripe height from an air bearing surface (ABS) and a second portion with a different second stripe height from the ABS. The first portion can be constructed to have... Agent: Seagate Technology LLC

20140327989 - Side shield biasing layer separated from an air bearing surface: Various embodiments may configure a data storage device with at least a magnetic element having a magnetic stack that is configured with an air bearing surface (ABS) and is separated from a side shield. The side shield can be biased by a biasing layer that contacts the side shield and... Agent:

  
10/30/2014 > 10 patent applications in 10 patent subcategories.

20140320993 - Tape head with thermal tape-head distance sensor: Tape head with thermal tape-head distance sensor to reduce the distance between the tape and the head to allow an increase in areal density. A tape head designed for reading and/or writing to a tape, including: a tape bearing surface shaped to form an air bearing when moving the tape... Agent: International Business Machines Corporation

20140320994 - Electric field writing magnetic storage device: An electric field writing magnetic storage device including: a rotatable disk including a substrate and a magnetic recording film provided on a surface of the substrate, the magnetic recording film including at least one ferromagnetic and ferroelectric layer; a writing device writing information into the magnetic recording film by means... Agent:

20140320995 - Implementing data frequency and data bits per sector (bps) calibration for non-circular disk tracks: A method, apparatus and a data storage device are provided for implementing data frequency and data bits per sector (BPS) calibration for data written on a recordable surface including non-circular disk tracks of a storage device. A sector based BPS profile is created for data sectors on the recordable surface.... Agent: Hgst Netherlands B.v.

20140320996 - Compressed data verification: A media drive includes drive side circuitry that, in response to a request to validate compressed data read from media, validates packets of the compressed data while compressed and, in response to detecting end of data on the media without having detected an unrecoverable corrupt one of the packets and... Agent: Oracle International Corporation

20140320997 - Multiple writers with reduced crosstalk: A system according to one embodiment includes at least two write transducers for writing to a magnetic medium; and a low reluctance path from a first pole of a first of the write transducers to a second pole of a second of the write transducers.... Agent: International Business Machines Corporation

20140320998 - Disk drive with improved spin-up control: A disk drive is disclosed comprising a head actuated over a disk, and a spindle motor operable to rotate the disk. The spindle motor operates according to a plurality of electrical cycles over a single revolution of the spindle motor, where each electrical cycle spans a cycle period. A plurality... Agent: Western Digital Technologies, Inc.

20140320999 - Disk drive minimizing initial seek distance after load operation: A disk drive is disclosed comprising a disk comprising tracks defined by servo sectors, a head, and control circuitry comprising a servo control system operable to actuate the head over the disk in response to the servo sectors. The head is loaded over the disk during a load operation, and... Agent: Western Digital Technologies, Inc.

20140321000 - Base plate having filter fixing part for hard disk drive and hard disk drive including the same: A base plate for a hard disk drive includes a disk accommodating part including a disk disposed thereon having data stored therein; a head seating part formed to be lower than a position of the disk accommodating part and including a head driver disposed thereon providing driving force to a... Agent: Samsung Electro-mechanics Co., Ltd.

20140321001 - Current detection circuit, motor driving device, magnetic disk storage device, and electronic appliance: A current detection circuit for detecting a maximum current value in a three-phase motor includes an identifier configured to identify a maximum current phase having the maximum current value among phases of the motor, and a detector configured to detects the maximum current value by summing current values of phases... Agent: Rohm Co., Ltd.

20140321002 - Magnetic disk drive device, magnetic disk assembly and methods of forming the same: A magnetic disk drive device for rotary driving a magnetic disk may be provided. The magnetic disk drive device may include a drive motor for rotary driving the magnetic disk. The drive motor may include a motor hub which has motor hub support portion with a screw-type motor hub engaging... Agent: Agency For Science, Technology And Research

  
10/23/2014 > 12 patent applications in 11 patent subcategories.

20140313608 - Power supply circuit: Each of unit blocks (UB1, UB2) is provided with an output circuit (20) including a serial circuit of FETs (21) and (22). A power supply circuit (1b) can operate in a first mode for generating an output voltage (Vo) using only one of the output circuits (20) or in a... Agent: Rohm Co., Ltd.

20140313609 - Data writing method and program for tape drive: One embodiment includes a method for writing data to a tape in a tape drive while data successively accumulated in the buffer of a file system is transferred to the tape drive. The method includes detecting a wrap turn when data is being written to the tape; allocating buffer space... Agent: International Business Machines Corporation

20140313610 - Systems and methods selective complexity data decoding: The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for performing data decoding including selective complexity data decoding.... Agent: Lsi Corporation

20140313611 - Control circuit for hard disk drive: A control circuit for a hard disk drive (HDD) includes a control chip, a connector connected between the control chip and a motherboard, and a function transform circuit connected between the control chip and the connector. A status pin of the control chip is connected to a status receiving pin... Agent:

20140313612 - 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 includes: a sleeve supporting a shaft so that an upper end of the shaft protrudes upwardly in an axial direction and a bearing clearance filled with a lubricating fluid formed between the sleeve... Agent: Samsung Electro-mechanics Co., Ltd

20140313613 - Magnetic write head having a coil adjacent to the main pole: Approaches for a magnetic write head having an adjacent coil architecture, wherein a coil turn is fabricated immediately adjacent to the writer main pole. The adjacent portion essentially lies on the main pole, except for a very thin layer of insulation atomically layered in between. The adjacent coil portion is... Agent: Hgst Netherlands B.v.

20140313614 - Magnetic write head having a stacked coil architecture for high data rate performance: Approaches for a magnetic write head having a stacked coil architecture. Embodiments utilize the better process control capability available with thin films' thicknesses, compared to the control capability of vertical gap-filling processes, which provides for better scalability to shorter yoke length magnetic write heads, which are faster at writing data... Agent: Hgst Netherlands B.v.

20140313615 - Apparatus comprising magnetically soft underlayer: Provided herein is an apparatus, including a magnetically soft underlayer (SUL); an interlayer stack overlying the SUL, wherein the interlayer stack comprises a seed layer of an fcc material; and a perpendicular magnetic recording layer overlying the interlayer stack, wherein a thickness of the SUL in combination with a distance... Agent: Seagate Technology LLC

20140313616 - High frequency magnetic field assisted magnetic recording head, and method of manufacturing same: Provided are a structure of a high frequency magnetic field assisted magnetic recording head in which the positional relationship of a main magnetic pole and a spin torque oscillator in a cross-track direction is accurately determined, and in which variations are not caused in high frequency magnetic field assist characteristics,... Agent: Hitachi, Ltd.

20140313617 - Method for making a tunneling magnetoresistive (tmr) sensor: A tunneling magnetoresistive sensor has an extended pinned layer wherein both the MgO spacer layer and the underlying ferromagnetic pinned layer extend beyond the back edge of the ferromagnetic free layer in the stripe height direction and optionally also beyond the side edges of the free layer in the trackwidth... Agent: Hgst Netherlands B.v.

20140313618 - Tolerance ring: A tolerance ring is formed of a plate member, in a ring shape that is substantially circular along a predetermined direction, and provided with a plurality of protrusions projected radially in a circumferential direction, wherein an even number of the protrusions are arranged along the circumferential direction, and a plurality... Agent:

20140313619 - Suspension board with circuit and suspension board assembly sheet with circuit, and method of manufacturing the same: First and second laminated structures are respectively formed at one surface and the other surface of an insulating layer. A laminate is formed of the first laminated structure, the insulating layer and the second laminated structure. A heat-assisted wiring trace is included in the first laminated structure, and a support... Agent: Nitto Denko Corporation

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