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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.
  
10/02/2014 > 17 patent applications in 9 patent subcategories.

20140293470 - Variable stopwrite threshold using kurtosis: A method according to one embodiment includes measuring a current position error signal, and calculating a statistical derivative using the current position error signal sample. A kurtosis value is calculated using a current position error signal sample or derivative thereof. A threshold value is adjusted using the kurtosis value. The... Agent:

20140293471 - Library device and control method thereof: A cell stores a plurality of magnetic tapes. A conveyance mechanism manages movement of the magnetic tapes stored in the cell. An interlock switch cam moves in a predetermined direction when a pressing force from an inner door claw is removed. An interlock switch shuts off power supply to the... Agent: Fujitsu Limited

20140293474 - Cpp-type magnetoresistance effect element and magnetic disk device using side shield layers: An MR element includes an MR part and upper and lower shield layers in a CPP structure. The MR element has side shield layers so as to interpose the MR part between the side shield layers in a track width direction. The MR part comprises a nonmagnetic intermediate layer and... Agent: Tdk Corporation

20140293475 - Cpp-type magnetoresistive element including a rear bias structure and lower shields with inclined magnetizations: An MR element suppressing a false writing into a medium with an MR part has a CPP structure. The MR part includes a nonmagnetic intermediate layer and first and second ferromagnetic layers so as to interpose the nonmagnetic intermediate layer. First and second shield layers respectively have an inclining magnetization... Agent:

20140293472 - Read head sensor with a tantalum oxide refill layer: In one embodiment, a method includes masking a sensor stack with a first mask, milling exposed regions of the sensor stack for defining a back edge of the sensor stack, forming a tantalum oxide layer along the back edge, removing the first mask, masking the sensor stack with a second... Agent: Hgst Netherlands B.v.

20140293476 - 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 base member including a mounting part, and a hydrodynamic bearing assembly having a portion thereof fitted and fixed to the mounting part, wherein any one of the mounting part and the... Agent: Samsung Electro-mechanics Co., Ltd.

20140293473 - Thin film magnetic head with side layers under compression stress: A thin film magnetic head includes a spin valve film that includes a magnetization free layer, a magnetization pinned layer and a non-magnetic spacer layer that is disposed between the magnetization free and pinned layers, and a pair of side layers that are disposed at both sides of the spin... Agent: Tdk Corporation

20140293477 - 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 fixedly installed on a base member and including a circulation hole formed in an axial direction; a shaft rotatably inserted into the sleeve; a rotor hub fixedly installed on an... Agent:

20140293478 - 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 installed on a base member and having a circulation hole; a shaft inserted into the sleeve; a rotor hub installed on an upper end portion of the shaft; and a... Agent: Samsung Electro-mechanics Co., Ltd.

20140293479 - Locking disk clamp: Provided herein is an apparatus, including a plurality of teeth extending from an outer perimeter of an annular disk clamp to an inner perimeter of the annular disk clamp and an annular groove in an outer perimeter of a hub, wherein the plurality of teeth do not engage the annular... Agent: Seagate Technology LLC

20140293480 - Notched disk clamp: Provided herein is an apparatus, including a plurality of disk clamp notches spaced about an outer lip of an annular disk clamp; an annular groove in an outer perimeter of a hub; and a mounting point on the hub for at least one disk, wherein the annular disk clamp occupies... Agent: Seagate Technology LLC

20140293481 - Hard disk drive: Disclosed herein is a hard disk drive. The hard disk drive according to a preferred embodiment of the present invention includes: at least one disk; a spindle motor rotating the disk; a head stack assembly rotatable to write and read data on and from the disk; a plate-shaped base rotatably... Agent:

20140293482 - Rotating device: A rotating device includes a rotor on which a magnetic recording disk is to be mounted and a stator configured to rotatably support the rotor. The stator includes a support projection extending along a rotating axis of the rotor, a shaft configured to surround the support projection and fixed to... Agent: Samsung Electro-mechanics Japan Advanced Technology Co., Ltd.

20140293483 - Disk clamp and lock: Provided herein is an apparatus, including a clamping means for clamping at least one disk onto a hub at a mounting point on the hub for the at least one disk, wherein the clamping means is configured to sit wholly above the at least one disk; a seat in an... Agent: Seagate Technology LLC

20140293484 - Disk clamp with flanges: Provided herein is an apparatus, including a plurality of flanges extending to form an inner perimeter of an inner opening of an annular disk clamp; and an annular groove in an outer perimeter of a hub configured to receive the plurality of flanges of the annular disk clamp, wherein the... Agent: Seagate Technology LLC

20140293485 - Flexure, head gimbal assembly and disk drive unit with the same, and manufacturing method thereof: A flexure for a suspension of a head gimbal assembly includes a substrate layer, a dielectric layer formed thereon, a conducting layer formed on the dielectric layer, and an insulating cover layer covered on the conducting layer, wherein at least one window is configured at a surface of the insulating... Agent: Sae Technologies Development (dongguan) Co., Ltd.

20140293486 - Circuit integrated suspension and method of manufacture thereof: An Extended Circuit Integrated Suspension (ECIS) includes: a load beam, including a first plurality of traces disposed on a first side of the load beam and a first connection portion; and a flexure circuit which is disposed on an opposite side of the first side of the load beam and... Agent: Nitto Denko Corporation

  
09/25/2014 > 12 patent applications in 12 patent subcategories.

20140285915 - Disk storage apparatus, data reproduction apparatus and data reproduction method: According to one embodiment, in a disk storage apparatus, a cancel controller cancels interference on a read target track from adjacent tracks from equalization waveform data obtained by applying waveform equalization processing to a read signal of the read target track based on an interference amount between adjacent tracks. An... Agent: Kabushiki Kaisha Toshiba

20140285916 - Read channel throughput management: An implementation of a system disclosed herein provides a method of deferring decoding of a data sector received at a read channel of a storage device, in response to determining that a data sector cannot be decoded by a first decoder and storing the data sector for further processing by... Agent:

20140285917 - Write avoidance areas around bad blocks on a hard disk drive platter: A method and computer program product identify the location of a bad block on a disk platter of a hard disk drive, determine an avoidance area extending from the bad block, and prevent data from being written to the avoidance area.... Agent: International Business Machines Corporation

20140285918 - Systems and methods for quality based bit error rate prediction: The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for bit error rate prediction in a data processing system.... Agent: Lsi Corporation

20140285919 - Thermally-assisted magnetic recording head: The thermally-assisted magnetic recording head includes: a magnetic pole having an end exposed on an air-bearing surface; a waveguide; a plasmon generator formed essentially of a first metallic material, and having a first region and a second region, the first region extending backward from the air-bearing surface to a first... Agent: Tdk Corporation

20140285920 - Tape cartridge and tape device: A tape cartridge includes a drive gear that is rotatably driven by a driving device, a first reel that winds a first tape-like storage medium therearound and is rotatable by a driving force transmitted from the drive gear, a second reel that winds a second tape-like storage medium therearound and... Agent: Fujitsu Limited

20140285921 - Spindle motor and recording disk driving device including the same: There is provided a spindle motor including: a stator core fixedly installed on a stator; a driving magnet having a center thereof disposed to coincide with that of the stator core in an axial direction; and a rotor hub including a hub body having a disk shape, a magnet mounting... Agent: Samsung Electro-mechanics Co., Ltd.

20140285922 - Magnetic disk device and control method of magnetic disk device: A magnetic disk device includes a magnetic disk, a head and a control section. The head writes data to the magnetic disk. The control section controls the head to move along a virtual circular orbit of the magnetic disk that includes a first servo sector region and a second servo... Agent: Kabushiki Kaisha Toshiba

20140285923 - Disk storage apparatus and data storage method: According to one embodiment, a disk storage apparatus includes a disk, a detector, and a controller. The disk includes a first recording area for recording with a first track density, and a second recording area for recording with a second track density lower than the first track density. The detector... Agent: Kabushiki Kaisha Toshiba

20140285924 - Spindle motor and recording disk driving device including the same: There is provided a spindle motor including: a sleeve fixedly installed on the base member and having a circulation hole formed therein; a shaft rotatably inserted into a shaft hole of the sleeve; a rotor hub fixedly installed on an upper end portion of the shaft; and a thrust member... Agent:

20140285925 - Driver circuit: A driver circuit includes a first current source configured to sink part of the current from a power supply through a load and a second current source configured to sink part of the current from the power supply to a return path, bypassing the load, so that the current through... Agent: Texas Instruments Incorporated

20140285926 - Copper residual stress relaxation reduction means for hard disk drive slider gimbals: A hard drive gimbal trace circuit includes: a stainless steel gimbal strut (SGST) configured to support a transducer and nullify a natural pitch angle of a flexure from mechanical-coarse adjustment of the SGST; traces forming a trace structure, and being plastically deformed at a high strain region from the mechanical-coarse... Agent: Nitto Denko Corporation

  
09/18/2014 > 44 patent applications in 25 patent subcategories.

20140268387 - Detection of adjacent track interference using size-adjustable sliding window: Technologies are described herein for detecting adjacent track interference in a storage device using a size-adjustable sliding window. A value for an inter-track interference factor associated with at least one adjacent track is determined for a first area of a data track of the storage device. The first area may... Agent: Seagate Technology LLC

20140268386 - Fly-height control and touchdown detection: An embedded contact sensor (ECS) element for fly-height control and touchdown detection. An embedded contact sensor (ECS) element with a resistance that changes with a temperature change, which senses a clearance change between a head slider and a disk of a disk drive. A resistance measurement section, within said head... Agent: Hgst Netherlands B.v.

20140268388 - Recording apparatus and recording apparatus control method: A recording apparatus includes a head unit, which includes a driver, and a recording data transmitter that transfers recording data to the head unit via a signal line. The recording apparatus further includes a switching unit in the head unit that switches a driving signal applied to the driver between... Agent:

20140268389 - Systems and methods for enhanced sync mark mis-detection protection: The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for detecting patterns in a data stream.... Agent: Lsi Corporation

20140268390 - Systems and methods for transition based equalization: Systems, methods, devices, circuits for transition based equalization.... Agent: Lsi Corporation

20140268392 - Data detection in adjacent tracks: Devices and/or methods may detect data located in adjacent tracks. A signal representative of a first data unit having a higher signal-to-noise ratio may be detected prior to a signal representative of a second data unit having a lower signal-to-noise ratio, and then may be used to improve the signal... Agent: Seagate Technology LLC

20140268391 - Data sequence detection in band-limited channels using cooperative sequence equalization: A method for detecting a data sequence includes generating a sample stream, which is a time-sequenced digital signal associated with samples of an analog signal. The sample stream is input to n equalization filter banks, which each have m equalization filters to generate m equalized sample streams. The m equalized... Agent: Lsi Corporation

20140268396 - Data intersector gaps for data sector format: A data format that allows for format-efficient data storage, particularly on bit-patterned media. The data format uses an intersector gap that is dimensioned relative to a physical dimension of a transducer. Further described is a data storage medium comprising transducer overhead, such as an intersector gap, interleaved with fragment overhead.... Agent: Seagate Technology LLC

20140268397 - Hardware support of servo format with two preamble fields: A hard disk drive uses a second, reference burst field in a preamble to estimate burst phase and burst magnitude. Such estimations are used for position error signal integration and repeatable runout correction. Gain error is also derived from such estimations. Information contained in a preamble field is used in... Agent: Lsi Corporation

20140268393 - Logicial block protection for tape interchange: A two part process is used for modifying records to be written and retrieved from tape devices. A record is appended with a cyclic redundancy check and a string of zeros. Submitting the entire record to tape drives which are logical block protection enabled will result in no change. For... Agent: Silicon Graphics International Corp.

20140268398 - Method and apparatus to reduce access time in a data storage device using coded seeking: Data blocks to be stored on a disk-based data storage device (e.g., a hard disk drive, etc.) are coded together to form a plurality of linearly independent network coded blocks. The network coded blocks are then stored on the data storage device. Coded seeking may then be used to retrieve... Agent: Massachusetts Institute Of Technology

20140268395 - Quiet field and synchronization field data format: Data format that allows for format-efficient data storage, particularly on bit-patterned media. The data format allows for variations in the data storage device, such as reader-to-writer gap variations. A medium can also have at least a pair of a synchronization field and a quiet field with a length greater than... Agent:

20140268399 - Reading order search method and program for recording groups on tape: The present invention provides a search method used to search for the reading order of a plurality of recording groups when the plurality of recording groups written on tape are continuously read by a tape drive which manages data on tape in recording units having a fixed data length for... Agent: International Business Machines Corporation

20140268394 - Shingled magnetic recording with variable track spacing: Apparatus and method for writing data to a data storage medium using shingled magnetic recording (SMR). In accordance with some embodiments, a transducer is positioned adjacent a recording medium. The transducer is used to write data to the medium in the form of partially overlapping tracks grouped together into bands... Agent: Seagate Technology LLC

20140268400 - Systems and methods for loop feedback: The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for performing loop feedback in a data processing system.... Agent: Lsi Corporation

20140268401 - Systems and methods for p-distance based priority data processing: The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for priority based data processing.... Agent: Lsi Corporation

20140268402 - Methods and systems for optimized staggered disk drive spinup: An array may comprise a plurality of disk drives and a controller coupled to the plurality of drives. The controller may be configured to initiate spin-up of one or more first disk drives of the array; determine when each of the first disk drive(s) of the array for which spin-up... Agent: Western Digital Technologies, Inc.

20140268403 - Tape friction measurement: According to one embodiment, a method includes determining whether a primary velocity is valid and/or in a steady state; averaging a velocity error over a predetermined time period upon determining the primary velocity is valid and/or in a steady state; and calculating a new friction value based on the averaged... Agent: International Business Machines Corporation

20140268405 - Cpp-type magnetoresistance effect element and magnetic disk device: A magnetoresistive effect element that prevents a recording medium from deteriorating by effectively inhibiting erroneous writing to a medium or the like includes a magnetoresistive effect part, and an upper shield layer and a lower shield layer that are laminated and formed in a manner sandwiching the magnetoresistive effect part... Agent:

20140268407 - Head to media proximity detection: In one implementation, a method and apparatus is provided for determining an active fly height setting for a transducer head from samples collected from a proximity sensor during less than a single revolution of a disc. Implementations of the method and system use adaptive discrete wavelet transform parameters generated from... Agent: Seagate Technology LLC

20140268406 - In situ sensor based contact detection: Apparatus and method for positional sensing and control. In accordance with some embodiments, a transducer is positioned adjacent a recording medium. The transducer includes a write element, a read element, a heater and a thermally responsive sensor. Power is applied to the heater to establish a selected fly height of... Agent:

20140268404 - Microwave-assisted magnetic recording (mamr) head with highly resistive magnetic material: In one embodiment, a high-frequency magnetic field-assisted magnetic recording (MAMR) head includes: a yoke adapted for facilitating magnetic flux through the MAMR head; a main pole magnetically coupled to the yoke and adapted for producing a writing magnetic field; a return pole spaced from the main pole; a spin torque... Agent: Hgst Netherlands B.v.

20140268408 - Azimuth actuated dual device set positioning: A device for recording and/or reading data to and/or from a magnetic tape includes a read/write head which has a first device set including a first plurality of magnetic data write and/or read elements and a second device set including a second plurality of magnetic data write and/or read elements.... Agent: Oracle International Corporation

20140268409 - Determining a skew error signal (ses) offset used to determine an ses to adjust heads in a drive unit: Provided are a computer program product, system, and method for determining a skew error signal (SES) offset used to determine an SES to adjust heads in a drive unit. A determination is made of a first difference in a first orientation with respect to a direction of movement of the... Agent: International Business Machines Corporation

20140268410 - Resistance temperature sensors for head-media and asperity detection: A temperature sensor of a head transducer measures temperature near or at the close point. The measured temperature varies in response to changes in spacing between the head transducer and a magnetic recording medium. A detector is coupled to the temperature sensor and is configured to detect a change in... Agent: Seagate Technology LLC

20140268411 - Motor and disk drive apparatus: A motor includes a stationary portion and a rotating portion that is rotatable about a central axis extending in a vertical direction with respect to the stationary portion. The stationary portion includes a shaft and a cup portion. The shaft extends in an axial direction and is fixed to the... Agent:

20140268413 - Spindle motor and hard disc drive including the same: A spindle motor includes a shaft; a sleeve rotatably supporting the shaft by fluid dynamic pressure; a holder provided outwardly of the sleeve and at least partially formed of a magnetic material; a stator core mounted on an outer surface of the holder; and a base member including a mounting... Agent: Samsung Electro-mechanics Co., Ltd.

20140268412 - Spindle motor and hard disk drive including the same: There is provided a spindle motor, including: a rotating member including a shaft having a fixing groove disposed in a lower portion thereof, a hub base extending from an upper end of the shaft in an outer radial direction, and a magnet support part extending from an outer edge of... Agent: Samsung Electro-mechanics Co., Ltd.

20140268414 - Magnetic recording medium, servo signal recording apparatus and method of producing magnetic recording medium: There is provided a magnetic recording medium including a magnetic layer. The magnetic layer has a servo signal recorded thereon by magnetizing a part of the magnetic layer in a first direction. The first direction contains a component of a perpendicular direction that is perpendicular to a top surface of... Agent: Sony Corporation

20140268415 - Gap between magnetic materials: In accordance with one embodiment, a method may be implemented by depositing a non-magnetic gap layer of material above a main pole layer of magnetic material; depositing a sacrificial layer of material above the non-magnetic gap layer of material; etching a portion of the sacrificial layer of material while not... Agent: Seagate Technology LLC

20140268416 - Recording head coil structure: A recording head comprising a write pole and a coil structure asymmetric with respect to the write pole and configured to generate more magnetic flux on a trailing side of the main pole than the magnetic flux on a front side of the main pole.... Agent: Seagate Technology LLC

20140268417 - Bottom shield stabilized magnetic seed layer: A data reader generally capable of sensing data bits may be configured at least with a magnetic stack that has free and fixed magnetization structures atop a magnetic seed layer. A bottom shield may be positioned contactingly adjacent the magnetic stack opposite a top shield with the bottom shield having... Agent: Seagate Technology LLC

20140268418 - Magnetic side shield with diffusion barrier: Various embodiments may position a side shield adjacent to and separated from a stack sidewall of a magnetic stack with the side shield having a shield layer disposed between the stack sidewall and a permanent magnet. The permanent magnet can be separated from a first portion of the shield layer... Agent:

20140268419 - Asperity and head-media contact detection using multi-stage temperature coefficient of resistance sensor: A multi-stage sensor is situated on the head transducer and configured to interact with a magnetic recording medium. A first sensor stage of the multi-stage sensor has a temperature coefficient of resistance. A second sensor stage of the multi-stage sensor is coupled to the first sensor and has a temperature... Agent: Seagate Technology LLC

20140268420 - Magnetic write head having a write pole with a constant flare angle and multiple yoke angles: A magnetic write head having a write pole with a novel configuration improving write field strength and field gradient while also reducing adjacent track interference and far track interference. The write pole is configured with a pole tip portion that has a narrow track width, preferably 15-30 degrees and a... Agent: Hgst Netherlands B.v.

20140268422 - Data reader side shields with polish stop: A data reader and associated method of making are generally provided. A data reader capable of sensing adjacent data bits may be configured at least with a magnetic stack disposed between first and second side shields. Each side shield may have a polish stop layer that is tuned to provide... Agent: Seagate Technology LLC

20140268423 - Dual-piece heat sink layer for robust reader in magnetic recording head: A read head structure is disclosed with a dual piece heat sink layer having a front piece formed over a front portion of a dynamic flying height (DFH) element and a back piece above a back portion of the DFH element. A first (S1) shield is formed on the front... Agent: Headway Technologies, Inc.

20140268421 - Magnetic sensor with differing stripe heights: A magnetic sensor may be generally configured in accordance with various embodiments to have a magnetically responsive stack with first and second free layers and without a fixed magnetization. The first and second free layers can be tuned to have different stripe heights from an air bearing surface (ABS) and... Agent: Seagate Technology LLC

20140268424 - Manufacturing method of magnet head able to reduce electrode film for plating: Method for manufacturing a magnetic head includes providing a stopper layer on an upper surface of a main magnetic pole layer applying a magnetic flux to a recording medium via a first insulation layer, providing a second insulation layer on the upper surface of the first insulation layer to cover... Agent:

20140268425 - Non-circular feature for boss tower engagement: A head stack assembly comprising an actuator arm having an aperture therein, a head suspension assembly comprising a load beam having a mounting region with a aperture therein, and a base plate adapted to attach the head suspension assembly to the actuator arm, with the base plate comprising a boss... Agent: Seagate Technology LLC

20140268426 - Arm assembly with lift tab: An arm assembly for a disc drive. The arm assembly has a load arm for supporting a slider and has a lift tab with a ramp-engaging region for parking the load arm when not in use. This ramp-engaging region has an outer surface defined by a first radius and a... Agent: Seagate Technology LLC

20140268427 - Head gimbal assembly with diamond-like coating (dlc) at tongue/dimple interface to reduce friction and fretting wear: A gimbal assembly of a single or dual stage actuator is provided with a layer of Diamond-Like Carbon (DLC) as a middle layer at a tongue/dimple interface where a dimple of a supporting loadbeam contacts a tongue on the gimbal assembly. Using the DLC at the tongue/dimple interface greatly reduces... Agent: Nhk Spring Co., Ltd

20140268428 - Coupling feature in a trilayer lamination: A data storage device may be generally directed to a data transducing head capable of magnetoresistive data reading. Such a data transducing head may be configured with at least a trilayer reader that contacts and is biased by a coupling feature. The coupling feature may have a smaller extent from... Agent: Seagate Technology LLC

20140268429 - Shaped data sensor shield contacts: A data sensor may be configured in accordance with some embodiments to have a magnetically responsive stack that contacts at least one shield. The at least one shield may be constructed with a non-rectangular shaped electrical contact, such as a triangular and trapezoidal shape, respectively positioned on top and bottom... Agent: Seagate Technology LLC

  
09/11/2014 > 16 patent applications in 7 patent subcategories.

20140254040 - Head-medium contact detection using introduced heat oscillation: An apparatus includes a head transducer configured to interact with a magnetic recording medium and a heater configured to thermally actuate the head transducer. A thermal sensor at or near the head transducer is configured to produce a sensor signal. Circuitry is coupled to the heater and configured to cause... Agent: Seagate Technology LLC

20140254041 - Servo marginalization: Servo channel noise limits are defined through Viterbi decisions based on servo gate signals. Y values are used to produce a first Viterbi decision at each servo gate. Viterbi decisions and Y values are used to produce ideal Y values. Y values and ideal Y values are used to produce... Agent: Lsi Corporation

20140254042 - Dynamic allocation of lba to un-shingled media partition: In a shingled magnetic recording system, LBA can be dynamically allocated to an un-shingled media partition (UMP) based on a usage metric. In one implementation, the usage metric depends upon the frequency of writes to storage region and/or upon how recently the storage location has been written to. Data corresponding... Agent: Seagate Technology LLC

20140254043 - Sampling-phase acquisition based on channel-impulse-response estimation: Embodiments of the invention can be manifested as methods for converting analog waveforms into digital sampled signals. In at least one such embodiment, the method includes (i) sampling, based on a sampling-clock signal, an analog waveform received from a transmission channel to generate a digital sampled signal, (ii) generating a... Agent: Lsi Corporation

20140254044 - Magnetic devices including low thermal conducivity portion: A device including a magnetic transducer; top and bottom magnetic shields, wherein the top and bottom magnetic shields are adjacent the magnetic transducer on opposite surfaces thereof; a heating element configured to provide heating along a heating path towards the first and second magnetic shields; and a low thermal conductivity... Agent: Seagate Technology LLC

20140254045 - Accurate radius and velocity measurement of tape transports: A method according to one embodiment includes computing a radius value of a tape on an outgoing reel during unwinding of the tape from the outgoing reel, adjusting the computed radius with an offset calculated from a direct measurement of velocity from the tape position, and outputting the adjusted computed... Agent: International Business Machines Corporation

20140254046 - Disk drive unit: A disk drive unit includes a rotor configured to rotate a disk accommodated within a disk accommodating space and set thereon, a fixed body configured to rotatably support the rotor, a fluid dynamic pressure generating part provided between the fixed body and the rotor, and a plurality of ring-shaped members,... Agent: Samsung Electro-mechanics Japan Advanced Technology Co., Ltd.

20140254047 - 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: Seagate Technology LLC

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