|Dynamic magnetic information storage or retrieval patents - Monitor Patents|
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Dynamic magnetic information storage or retrieval August inventions list 08/10Below 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. 08/26/2010 > patent applications in patent subcategories.
20100214682 - Disk drive returning dummy data to a host when reading an unwritten data sector: A disk drive is disclosed comprising a disk and a head actuated over the disk. The disk comprises a plurality of tracks, wherein each track comprises a plurality of data sectors. A read command is received from a host to read data from a target data sector. When it is... Agent: Western Digital Technologies, Inc. Attn: Lesley Ning
20100214683 - Printed circuit cable assembly for a hard disk drive: A printed circuit cable assembly (PCCA) for a hard disk drive (HDD) is disclosed. The PCCA includes a stiffener portion having an elongated shape that includes an integrated circuit (IC) chip. The PCCA also includes a flexible portion extending from the elongated stiffener portion, wherein the PCCA is configured to... Agent: Texas Instruments Incorporated
20100214684 - Discrete track media (dtm) design and fabrication for heat assisted magnetic recording (hamr): An apparatus includes a recording media including a substrate, a plurality of tracks of magnetic material on the substrate, and a non-magnetic material between the tracks; a recording head having an air bearing surface positioned adjacent to the recording media, and including a magnetic pole, an optical transducer, and a... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP
20100214685 - Recording head for heat assisted magnetic recording: An apparatus includes a waveguide having a core layer and an end adjacent to an air bearing surface, first and second poles magnetically coupled to each other and positioned on opposite sides of the waveguide, wherein the first pole includes a first portion spaced from the waveguide and a second... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP
20100214686 - Head positioning method for eccentric track and head positioning control device: Drive waveforms with which extension and contraction characteristics of an actuator corresponding to a number of track eccentricity amounts are stored as data. By reading servo information written in a disk is obtained as a signal indicating a head displacement amount from a track. The head is moved in a... Agent: Mattingly & Malur, P.C.
20100214687 - Storage device and read/write processing method therefor: According to one embodiment, a storage device includes: a control circuit configured to perform a write retry when data writing fails, wherein the control circuit recognizes that read commands are issued at regular intervals for reproducing continuous pieces of data, and upon detecting an error requiring the write retry to... Agent: Knobbe Martens Olson & Bear LLP
20100214689 - Device and structure for reducing tape motion and static friction: A tape mounting apparatus for a magnetic tape data storage device which includes a movable structure movably attached to a base. The movable structure moves partially within the base and is powered by a motor unit. The moveable structure has at least a load position and a transport position. A... Agent: Scully, Scott, Murphy & Presser, P.C.
20100214688 - Dual actuator for a read-write data storage device: A data storage device includes a first head module independently moveably mounted relative to the storage device. The first head module includes at least one of a read element and a write element. In addition, the data storage device includes a second head module independently moveably mounted relative to the... Agent: Cantor Colburn LLP-ibm Yorktown
20100214690 - Roller guide for magnetic tape with multiple guiding sections: A device for guiding a magnetic tape in a data storage drive including a cylindrical body rotatable about a longitudinal axis. The cylindrical body having opposing ends and defining a surface area for mating with a magnetic tape. A curved section at opposite ends of the cylindrical body is contiguous... Agent: Scully, Scott, Murphy & Presser, P.C.
20100214691 - Magnetic absolute position sensor: A magnetic absolute position sensor comprises: a read head, a horizontal magnetic scale, and an oblique magnetic scale. The read head is provided with a first position sensing unit and a second position sensing unit which are used produce signal with respect to the horizontal magnetic scale and the oblique... Agent: Dr. Banger Shia Patent Office Of Bang Shia
20100214692 - Magnetic recording head with layered structure in write gap: The present disclosure provides a magnetic recording head for a data storage system having improved write field characteristics. In one example, an apparatus having magnetic properties is provided. The apparatus includes a pole, a shield, and a multilayer block positioned between the pole and the shield. The multilayer block includes... Agent: Seagate Technology LLC C/o Westman, Champlin & Kelly, P.A.
20100214693 - Perpendicular magnetic recording system with magnetic precession for fast switching of perpendicular write pole magnetization: A perpendicular magnetic recording system has a write head with a main perpendicular write pole connected to a yoke with first and second electrical coils. The first coil is wrapped around the yoke on one side of the main pole, and the second coil is wrapped around the yoke on... Agent: Thomas R. Berthold
20100214694 - Method of manufacturing magnetic recording medium: According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a first hard mask, a second hard mask and a resist on a magnetic recording layer, imprinting a stamper to the resist to transfer patterns of protrusions and recesses to the resist, removing residues remaining in... Agent: Knobbe Martens Olson & Bear LLP
20100214695 - Method of manufacturing magnetic recording medium: According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a first hard mask, a second hard mask and a resist on a magnetic recording layer, imprinting a stamper to the resist to transfer patterns of protrusions and recesses to the resist, removing residues remaining in... Agent: Knobbe Martens Olson & Bear LLP
20100214696 - Layered structure having fept system magnetic layer and magnetoresistive effect element using the same: A layered structure includes an amorphous Ta layer, a metallic oxide layer formed from zinc oxide (ZnO) or magnesium oxide (MgO) on the Ta layer, and a FePt magnetic layer formed on the metallic oxide layer. Therefore, an L10 structural FePt ordered alloy is obtained at a temperature of 300°... Agent: Posz Law Group, PLC
20100214697 - Suspension design for high shock performance soldering ball bonding: Aspects of the present invention include a system and method for improving the reliability performance of hard disk drives by routing the traces connected to the slider from the trailing edge to the leading edge and having a portion of the traces being under the magnetic slider. Aspects of the... Agent: Nixon & Vanderhye, PC
20100214698 - Domain control in bottom shield of mr sensor: A shield for a read element of a magnetic recording head includes a first domain with boundaries remote from the read element and stabilized with a patterned bias element. The patterned bias element comprises a topographical pattern of grooves formed on the shield substrate.... Agent: Kinney & Lange, P.A.
20100214699 - Magnetoresistive sensor with overlaid combined leads and shields: A magnetic head according to one embodiment includes a first magnetic shield; a first insulation layer disposed above said first magnetic shield; a plurality of sensor layers disposed above said first insulation layer; two electrical leads overlying a majority of a surface of the sensor layers, the electrical leads being... Agent: Zilka-kotab, PC- Hit
20100214701 - Magnetoresistive effect element in cpp-type structure and magnetic disk device: An MR element according to the present invention has the superior effects that further improve an MR ratio because a structure of a spacer layer 40 is configured of a certain three-layer structure with certain materials, and at least one of a first ferromagnetic layer 30 and a second ferromagnetic... Agent: Posz Law Group, PLC
20100214700 - Thin film magnetic head provided with dual synthetic free layers: A thin film magnetic head includes a first through fourth free layers, a spacer layer, and a bias magnetic field application layer. The first and second free layers are magnetized in opposite directions of each other in the orthogonal direction to the ABS when the bias magnetic field is applied... Agent: Posz Law Group, PLC08/19/2010 > patent applications in patent subcategories.
20100208377 - Systems and methods for inter-location control of storage access: Various embodiments of the present invention provide systems and methods for controlling access to a magnetic storage medium. As one example, a method for controlling access to a magnetic storage medium is disclosed that includes providing a location count indicating a location between a portion of a first servo data... Agent: Hamilton,desanctis & Cha (lsi)
20100208378 - Bit patterned media with embedded near-field transducer: An apparatus includes a recording media including a substrate, a plurality of islands of magnetic material on the substrate, and a non-magnetic material between the islands, a recording head having an air bearing surface positioned adjacent to the recording media, and including a magnetic pole, and an optical transducer, wherein... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP
20100208379 - Thin-film magnetic head having microwave magnetic exciting function and magnetic recording and reproducing apparatus: A thin-film magnetic head having microwave magnetic exciting function, includes a write magnetic field production unit for producing, in response to a write signal, a write magnetic field to be applied into a magnetic recording medium, a line conductor of a microwave radiator of a plane-structure type, formed independent from... Agent: Frommer Lawrence & Haug LLP
20100208380 - Encrypt-only data storage cartridge: Control of the encryption of data for storage with respect to removable data storage cartridges having a recording media and having cartridge memory with at least a portion lockable to read-only, employs the steps of inspecting the read-only portion of the cartridge memory of the removable data storage cartridge for... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.
20100208381 - Magnetic packet memory storage devices, memory systems including such devices, and methods of controlling such devices: A memory device is comprised of a magnetic structure that stores information in a plurality of domains of the magnetic structure. A write unit writes information to at least one of the plurality of domains of the magnetic structure by applying a write current to the magnetic structure in response... Agent: Mills & Onello LLP
20100208382 - Recording medium drive and method for controlling temperature of ramp member for recording medium drive: According to one embodiment, a recording medium drive includes a housing, a recording medium, a head actuator member stored in the housing reciprocatably about a shaft, and facing the recording medium at one end, a load tab on the end of the head actuator member, a ramp member fixed in... Agent: Knobbe Martens Olson & Bear LLP
20100208383 - Data storage apparatus and method: A data storage apparatus and method. The apparatus comprises a mounting structure, a motor mechanically attached to mounting structure, and a data storage platter mechanically attached to the motor. The apparatus additionally comprises a single actuator arm comprising a first and second read/write data head or multiple radial movement mechanisms... Agent: Schmeiser, Olsen & Watts
20100208384 - Multi-head array hard drive: A multiple head array hard drive comprises a multiple fixed head array. The multiple fixed head array has multiple rows of read write heads. The read write heads of a row are fixed relative to each other on the multiple fixed head array. The heads of the multiple fixed head... Agent: Law Offices Of Clement Cheng
20100208385 - Storage device with read-ahead function: According to one embodiment, a storage device includes a link information creation module and a read-ahead process module. The link information creation module creates link information for associating storage regions on a storage medium, which store a plurality of data included in a single file, in an order according to... Agent: Knobbe Martens Olson & Bear LLP
20100208386 - Perpendicular magnetic recording medium with anti-ferromagnetically coupled magnetic layers and magnetic storage apparatus: A disk for a hard disk drive. The disk includes a recording layer that is supported by a substrate and a stabilization layer that is anti-ferromagnetically coupled to the recording layer. Because the recording and stabilization layers are anti-ferromagnetically coupled the net magnetization is the difference in magnetization of the... Agent: Irell & Manella LLP
20100208387 - Fly-height management via harmonic sensing: In a disk drive, the fly-height of a recording head with respect to a recording medium is adjusted such that a target magnetic separation between the recording head and the recording medium is achieved. The target magnetic separation is determined based on the operating temperature of the disk drive. In... Agent: Patterson & Sheridan, L.L.P.
20100208388 - Magnetic head, head assembly and magnetic recording/reproducing apparatus and method for manufacturing magnetic head: The present invention relates to a magnetic head and particularly to improvement of its recording element. The recording element includes a first magnetic film, a second magnetic film, a coil film, and an insulating film. The first magnetic film has a first pole portion. The second magnetic film has a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20100208389 - Load beam, suspension with load beam, and method for manufacturing suspension: A suspension for supporting a magnetic head is provided with a load beam formed of a thin-plate spring. A recess for accommodating a damper is formed in the load beam. The damper is affixed to a bottom surface of the recess.... Agent: Frishauf, Holtz Goodman & Chick, P.C.
20100208390 - Head suspension: A head suspension has a base plate 11a, a load beam 13a, and a piezoelectric element 40 that is arranged between the base plate and the load beam and deforms in response to applied power to precisely move a front end of the load beam relative to the base plate.... Agent: Jordan And Hamburg LLP
20100208391 - Lapping guides for magnetic recording heads: A method includes: fabricating a wafer having a plurality of layers, each including a feature of interest and a lapping guide positioned at a known location relative to the feature of interest, wherein the feature of interest and the lapping guide cross a common plane; lapping the wafer to the... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP08/12/2010 > patent applications in patent subcategories.
20100202078 - Read/write processing method for medium recording device and medium recording device: According to one embodiment, a medium recording device includes a reading/writing module configured to read/write data from/to a recording medium, a buffer memory configured to temporarily store the read data and data from a host, and a controlling circuit configured to, in response to a read command, read data from... Agent: Knobbe Martens Olson & Bear LLP
20100202079 - Write synchronization phase calibration for storage media: A technique is described for write synchronization phase calibration for storage media (e.g., bit patterned media). In one embodiment, a calibration write clock signal may be generated at a frequency offset from a nominal dot frequency of a bit patterned storage media. A periodic signal that was written to the... Agent: Seagate Technology LLC C/o Westman, Champlin & Kelly, P.A.
20100202080 - Motor and recording disk drive apparatus: A rotor unit includes a substantially circular plate shaped cover portion, a rotor hub including a lower cylinder portion, and a magnetic field generating member attached on the lower cylinder portion. An annular salient portion is provided on the lower surface of the cover portion 31. The annular salient portion... Agent: Volentine & Whitt PLLC
20100202081 - Thermally assisted magnetic head having a semiconductor surface-emitting laser: A thermally assisted magnetic head includes a slider having a medium-facing surface and a surface-emitting semiconductor laser. The slider has a slider substrate on which part of the medium-facing surface is formed, and a magnetic head portion, on which another part of the medium-facing surface is formed, and which has... Agent: Oliff & Berridge, PLC
20100202082 - Systems and methods for variable fly height measurement: Various embodiments of the present invention provide systems and methods for determining fly height. For example, a system for fly height determination is disclosed that includes a head assembly disposed in relation to a storage medium, a write channel, and a read circuit. The read circuit is operable to receive... Agent: Hamilton,desanctis & Cha (lsi)
20100202083 - Setting edge stress signal in magnetic tape data storage cartridge memory in response to servo detection error signals: Methods, magnetic tape data storage drives, data storage systems, and magnetic tape data storage cartridges. A system having at least one magnetic tape data storage drive is configured to handle a magnetic tape cartridge comprising a magnetic tape data storage media and accompanying cartridge memory. The magnetic tape media comprises... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.
20100202084 - Disk drive device: In a brushless motor, the rotational frequency N (Hz) of the hub satisfies N<F0/(3*P+2), where F0 (Hz) is an Eigen frequency of the second order rocking-mode resonance when not rotating in the situation where the recording disk is mounted on the hub. The recording disk is mounted on the hub.... Agent: Fulwider Patton LLP
20100202085 - Magnetic disk device:
20100202086 - Storage device and design method thereof: According to one embodiment, a storage device includes a spindle assembly including a spindle motor configured to rotate a disk, and a clamp ring configured to fix the disk to the spindle motor, and a slider with a head configured to read/write data on/from the disk, and configured to fly... Agent: Knobbe Martens Olson & Bear LLP
20100202087 - Magnetic head suspension: It is an object to achieve prevention of lowering resonant frequency and improved production efficiency while achieving reduction in weight of a supporting part with a boss portion and reduction in thickness at area at which the boss portion is located. In the present invention, the supporting part includes a... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.
20100202088 - Magnetoresistive element, thin film magnetic head, magnetic head slider, head gimbal assembly, head arm assembly and magnetic disk device: The invention is devised to provide a magnetoresistive element that is hardly susceptible to harmful influence of unnecessary magnetic fields and noise of heat even when reduction in size is achieved to be adaptable to higher recording density, and therefore that is excellent in operational reliability. The magnetoresistive element includes... Agent: Oliff & Berridge, PLC08/05/2010 > patent applications in patent subcategories.
20100195236 - Disk drive transport, clamping and testing: A disk drive transporter, for transporting a disk drive and for mounting a disk drive within a test slot, includes a frame configured to receive and support a disk drive. The frame includes sidewalls configured to receive a disk drive therebetween and sized to be inserted into a test slot... Agent: Fish & Richardson P.C.
20100195235 - Measurement of track eccentricity on bit patterned media: The eccentricity of tracks defined on a rotating bit patterned media are measured using a readback signal, and the measured eccentricity may be used to control centering of the disk relative to a rotational spindle and/or to control movement of a read/write head relative to a selected track on the... Agent: Seagate Technology LLC C/o Westman, Champlin & Kelly, P.A.
20100195237 - Magnetic recording medium, recording/reproducing apparatus, and stamper: A magnetic recording medium has data track patterns formed by concave/convex patterns in data recording regions on at least one surface of a substrate and servo patterns formed by concave/convex patterns in servo pattern regions between the data recording regions. The concave/convex patterns include convexes, at least protruding end portions... Agent: Greenblum & Bernstein, P.L.C
20100195239 - Thermally assisted magnetic head comprising surface-emitting semiconductor laser: The present thermally assisted magnetic head has: a plasmon antenna; an optical wave guide having the plasmon antenna installed at the tip thereof; a diffraction grating which is disposed in or on the optical wave guide; and a laser element which is disposed at a position to irradiate laser beams... Agent: Oliff & Berridge, PLC
20100195238 - Thermally assisted magnetic head having a semiconductor surface-emitting laser: A thermally assisted magnetic head includes: a slider having a medium-facing surface; and a surface-emitting semiconductor laser. The slider has: a slider substrate, on which part of the medium-facing surface is formed; and a magnetic head portion, on which another part of the medium-facing surface is formed, and which has... Agent: Oliff & Berridge, PLC
20100195240 - Thermally assisted magnetic recording disk drive: A thermally assisted magnetic recording disk drive, comprises: a magnetic recording medium, on a surface of non-magnetic substrate of which are formed an under layer, a vertical magnetic recording layer, a protective layer and a lubricant layer, sequentially; a recording/reproducing head having a magnetic pole, which is configured to apply... Agent: Antonelli, Terry, Stout & Kraus, LLP
20100195241 - Zone textured recording head: The present disclosure relates to a magnetic recording head having a slider media bearing interface surface with surface modifications configured to reduce friction and/or stiction friction properties between the head slider media bearing interface surface and a recording medium. The present disclosure also relates to a tape drive system, a... Agent: Dorsey & Whitney LLP Intellectual Property Department
20100195242 - Implementing power savings in an automated storage system: In a method of implementing power savings in an automated storage system, a power savings mode authorization is sent from a library controller to a tape drive, such that the tape drive is authorized to enter an extended power savings mode that maintains an operational host interface in the tape... Agent: James P. Broder Roeder & Broder LLP
20100195243 - Variable spindle speed control for data storage devices: In a particular embodiment, a system is disclosed that includes a solid-state data storage medium, a disc data storage medium, and a controller adapted to selectively adjust a spindle speed associated with the disc data storage medium and a buffer size associated with the solid-state data storage medium responsive to... Agent: Seagate Technology LLC C/o Westman, Champlin & Kelly, P.A.
20100195244 - Servo area test method of a magnetic recording medium and a test device: A read signal for one revolution of each of a plurality of tracks jitter of which is cancelled is obtained and a binary-coded image data for the read signal is generated and the track number position of each servo area is specified from the binary-coded image data. Further, a read... Agent: Mattingly & Malur, P.C.
20100195245 - Storage apparatus, maintenance method of storage apparatus, and computer readable medium having maintenance program of storage apparatus: A storage apparatus includes at least one device insertion section, at least one robot, a replacement detection section, a first determination section, and a movement section. A device can be inserted into the device insertion section. The robot has a moving mechanism. The replacement detection section detects a start of... Agent: Staas & Halsey LLP
20100195246 - Manufacturing method of magnetic recording medium and magnetic recording/reproducing apparatus: There is provided a manufacturing method of a magnetic recording medium that maintains a high level of perpendicular orientation of a perpendicular magnetic layer and enables to further increase high recording density, prepared such that at least on a non-magnetic substrate, there are laminated a soft magnetic base layer, an... Agent: Sughrue Mion, PLLC
20100195247 - Microwave-assisted magnetic recording device and method of formation thereof: A magnetic head, according to one embodiment, includes a microwave generator provided with a main magnetic pole, an auxiliary magnetic pole, a coil wound around a magnetic circuit, the magnetic circuit including the main magnetic pole and the auxiliary magnetic pole, and a magnetic film, the film being provided near... Agent: Zilka-kotab, PC- Hit
20100195248 - Disk drive device provided with fluid dynamic bearing: A sleeve supports a shaft. A housing member is arranged so as to surround the sleeve and make the end of the sleeve protrude. A base member holds the housing member and fixes a stator core so as to surround the housing member. A hub drives a recording disk by... Agent: Fulwider Patton LLP
20100195249 - Method of manufacturing a magnetic recording medium and a magnetic recording medium manufactured by the method: A method of manufacturing a magnetic recording medium includes forming an electrically conductive intermediate layer over a non-magnetic substrate; forming an aluminum-containing layer on the intermediate layer; forming a plurality of micro pits in the aluminum-containing layer; generating an alumina-containing layer by oxidizing the aluminum-containing layer and simultaneously forming nano... Agent: Rabin & Berdo, PC
20100195250 - Fluid dynamic pressure bearing device, spindle motor and disk drive apparatus: A bearing mechanism includes a shaft, a sleeve portion, a thrust portion, and a cover portion. Lubricating oil is arranged in a communicating channel in the sleeve portion, a thrust gap between the sleeve portion and the thrust portion, and a tapered gap between an outside surface of the thrust... Agent: Nidec Corporation C/o Keating & Bennett, LLP
20100195251 - Micro actuator device, head suspension assembly and storage medium driving device: According to one embodiment, a micro actuator device, includes: a first piezoelectric element superposed on a first lower support plate coupled to a fixed plate; a second piezoelectric element superposed on a second lower support plate in parallel with the first lower support plate coupled to the fixed plate; a... Agent: Knobbe Martens Olson & Bear LLP
20100195252 - Electrode structure of piezoelectric element, method of forming electrode of piezoelectric element, piezoelectric actuator, and head suspension: An electrode structure of a piezoelectric element is provided. The piezoelectric element 23a (23b) constitutes a piezoelectric actuator 19 attached to an attaching part 30 of an object, to minutely move a movable part 15 of the object relative to a base part 13 of the object according to deformation... Agent: Jordan And Hamburg LLP
20100195253 - Magnetoresistive (mr) elements having improved hard bias seed layers: MR devices and associated methods of fabrication are disclosed. An MR device includes an MR element and a bias structure on either side of the MR element for biasing a free layer of the MR element. The bias structure includes an amorphous buffer layer, a first seed layer formed from... Agent: Duft Bornsen & Fishman, LLPPrevious industry: Optical: systems and elements
Next industry: Electricity: electrical systems and devices
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