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Dynamic magnetic information storage or retrieval January USPTO class patent listing 01/07Below 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. 01/25/2007 > 28 patent applications in 22 patent subcategories.
20070019315 - Data-storage apparatus, data-storage method and recording/reproducing system: A data-storage apparatus, a data-storage method and a recording/reproducing system are provided, which effectively use the time elapsing before data is transferred to be written in a recording medium, such as disc-seeking time and disc-rotation standby time, thereby to raise the speed of transferring data. A hybrid storage apparatus has... Agent: David R. Metzger Sonnenschein Nath & Rosenthal LLP
20070019316 - Prml based magnetic servo position demodulator: Apparatuses and methods for detecting reference marks on magnetic data storage mediums are described herein. In one variation, the apparatus comprises a magnetic servo position demodulator operable to extract information from the magnetic data storage medium utilizing Partial Response/Maximum Likelihood (PRML) technique. Synchronization marks stored within the PRML channel is... Agent: Morrison & Foerster LLP
20070019317 - System partitioning for hard disk drive electronics: A hard disk drive chip set includes an analog chip including all of the analog functions for the hard disk drive except for a motor controller, and a digital chip including all of the digital functions for the hard disk drive including a plurality of read channels. The analog chip... Agent: Stmicroelectronics, Inc.
20070019318 - Data transfer apparatus and method for transferring data: Data transfer apparatus may include a housing substantially conforming to a dimensional standard for a specified type of data cartridge. A reader mounted to the housing interrogates and receives data from a memory system provided on a data cartridge when the data transfer apparatus is positioned adjacent the data cartridge.... Agent: Hewlett Packard Company
20070019319 - Heater control method and storage apparatus: A heater control method for carries out an ON/OFF control with respect to a built-in heater of a head, by turning the heater ON during a time corresponding to consecutive read operation time and write operation time, and turning the heater OFF during a time corresponding to a read operation... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.
20070019320 - Recording controlling method in hard disk drive and hard disk drive using the same: A method of controlling recording and a hard disk drive (HDD) using the same. The HDD has heads in which a write head and a read head are spaced apart from each other by a predetermined gap in a track direction, and the method includes: reading a table having a... Agent: Staas & Halsey LLP
20070019321 - Method and apparatus for suppressing resonance of hard disk drive using notch filter: The resonance of a hard disk drive using a notch filter is suppressed by detecting a resonance frequency after a far distance search is conducted, in a state in which the notch filter is disabled, and storing the detected resonance frequency as a start frequency, determining a coefficient of the... Agent: Staas & Halsey LLP
20070019322 - Magnetic disk drive with mechanism for fixing flexible printed circuit assembly: A magnetic disk drive is provided which can attain the reduction in size and thickness without deteriorating the sealing performance for a space defined by a base and a cover. In one embodiment, a cover member is fixed to a base member with fixing screws. An FPC assembly is formed... Agent: Townsend And Townsend And Crew LLP
20070019324 - Acceleration sensor and magnetic disk drive apparatus: An acceleration sensor includes a housing member, a spring member attached to the housing member, a magnetic field generation member fixed to the housing member, and at least one magnetic field detection sensor and a weight member, fixed to the spring member so that the at least one magnetic field... Agent: Buchanan, Ingersoll & Rooney PC
20070019323 - Head-disc interface (hdi) design for magnetic recording: An apparatus comprises a storage medium having a surface coated with a layer of a first solid lubricant, and a head separated from the storage medium by an air film, the head having an air bearing surface, wherein at least a portion of the air bearing surface is coated with... Agent: Pietragallo, Bosick & Gordon LLP
20070019327 - Main pole structure coupled with trailing gap for perpendicular recording: A magnetic head with a narrow track width angle and of excellent mass productivity is provided for attaining a large capacity magnetic disk drive. In an embodiment, a perpendicular recording magnetic head includes: a first non-magnetic film and a first soft magnetic film stacked on the trailing side of a... Agent: Townsend And Townsend And Crew LLP
20070019326 - Thin film magnetic head for high density recording: Embodiments of the invention provide a thin film magnetic head suitable for high density recording having a small erase band ΔE and a small fringe magnetic field, and a large recording magnetic field. In one embodiment,a width LW of a lower magnetic pole piece protuberance of a leading side magnetic... Agent: Townsend And Townsend And Crew LLP
20070019325 - Thin film magnetic head having heating element: A thin film magnetic head is provided. The thin film magnetic head includes a read head and a write head, a heating element, or the combination thereof. The heating element includes a heating conductor layer and a high-melting-point-material layer disposed so as to at least partially overlap the heating conductor... Agent: Brinks Hofer Gilson & Lione
20070019328 - Laminated magnetic recording media with two sublayers in the lower magnetic layer: An embodiment of the invention is a laminated magnetic recording medium comprising two magnetic layers that are substantially decoupled. The lower magnetic layer comprises two sublayers. The upper magnetic sublayer is preferably a cobalt alloy having lower chromium and higher boron content than the lower magnetic sublayer. The upper sublayer... Agent: G. Marlin Knight Hoyt & Knight
20070019329 - System and method for a subambient pressure air bearing slider utilizing negative pressure grooves: A system and method are disclosed for a subambient pressure air bearing slider utilizing negative pressure grooves. In one embodiment, a groove extends from a slider's leading edge, splits, and terminates in two locations at the slider's trailing edge. In one embodiment, a groove is provided in a slider's compression... Agent: Kenyon & Kenyon LLP
20070019330 - Apparatus for pivotally orienting a projection device: An apparatus that provides for rotation about two axes orthogonal to each other includes a gimbal having two arms adjoining a portion that is mounted to a base for rotation about a first axis. A shaft defining a second axis orthogonal to the first pivotally couples a mounting plate to... Agent: Bryan K. Wheelock
20070019331 - Suspension for head slider: A plate member is made of a metal material lighter than stainless steel in a suspension for a head slider. This leads to a reduction in the weight of the suspension. The natural frequency of the suspension is thus raised. Moreover, the viscoelastic member is interposed between the front surface... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP
20070019332 - Actuator latch device for hard disk drive: An actuator latch device for locking an actuator of a hard disk drive, the actuator having a swing arm rotatably installed at a base member, a voice coil motor (VCM) coil provided at one end of the swing arm, and magnets oppositely arranged at the VCM coil. The actuator latch... Agent: Staas & Halsey LLP
20070019333 - Wireless suspension design to accommodate multiple drive designs: A wireless suspension design is described that can be used in varying types of drive designs. In one embodiment, a flex circuit is provided with at least two indicia to indicate where the flex circuit is to be bent when attaching it to a head stack assembly.... Agent: Kenyon & Kenyon Suite 600
20070019334 - Magnetic recording and reproducing apparatus: Magnetic recording and reproducing apparatuses are narrowed in track pitch as one method of increasing the respective recording capacities. It has become evident, however, that the shocks and/or vibration applied during operation has critical effects on recording/reproduction, and it has thus become essential to improve shock resistance and vibration resistance.... Agent: Antonelli, Terry, Stout & Kraus, LLP
20070019335 - Tape medium read head with unitary formation of multiple elements: A read head is disclosed having a unitary formation of multiple elements for reading multi-track data from a magnetic tape. Included are a number of elements joined together in a matrix, where each element includes two electrical leads and a sensor. Each lead which is not the first lead in... Agent: Intellectual Property Law Offices
20070019336 - Magnetic encoder system: A magnetic encoder system according to one embodiment includes a magnetic sensor mounted on a first substrate above a magnetic medium, the magnetic medium carrying at least one magnetic track, the sensor detecting changes in the magnetic track during a relative movement between the sensor and the magnetic medium. The... Agent: Zilka-kotab, PC
20070019338 - Cpp-gmr sensor with non-orthogonal free and reference layer magnetization orientation: A CPP GMR sensor structure having free and reference layers, where the magnetic orientations of the free and reference layers are non-orthogonal. In one embodiment, a ferromagnetic free layer film has a bias-point magnetization nominally oriented in plane of the film thereof, in a first direction at an angle θfb... Agent: Zilka-kotab, PC
20070019337 - Magnetic elements having improved switching characteristics and magnetic memory devices using the magnetic elements: A method and system for providing a magnetic element and a memory using the magnetic element are described. The method and system include providing a pinned layer, providing a spacer layer, and providing a free layer. The spacer layer is nonferromagnetic and resides between the pinned layer and the free... Agent: Sawyer Law Group LLP
20070019341 - Magnetoresistive device, thin film magnetic head, head gimbals assembly, head arm assembly, magnetic disk apparatus, synthetic antiferromagnetic magnetization pinned layer, magnetic memory cell, and current sensor: An MR device includes a magnetization pinned film having a nonmagnetic intermediate layer positioned on the opposite side of a magnetization free layer while sandwiching a nonmagnetic spacer layer and made of RuCu. In the case of passing read current in the stacking direction via lower and upper electrodes, decrease... Agent: Oliff & Berridge, PLC
20070019340 - Magnetoresistive sensor with in-stack bias layer pinned at the back edge of the sensor stripe: A magnetoresistive sensor having an in stack bias structure that extends beyond a stripe height edge defined by the free and pinned layers. The bias structure includes a magnetic bias layer that is magnetostatically coupled with the free layer by a non-magnetic spacer layer. The bias layer is pinned by... Agent: Zilka-kotab, PC
20070019342 - Magnetoresistive sensor having an in stack bias structure with nifecr spacer layer for improved bias layer pinning: A magnetoresistive sensor having an in stack bias structure for biasing the magnetic moment of the free layer. The in stack bias structure includes a magnetic bias layer that may include a layer of NiFe and a layer of CoFe. A layer of antiferromagnetic material (AFM layer) is exchange coupled... Agent: Zilka-kotab, PC
20070019339 - Magnetic tunnel transistor with high magnetocurrent and stronger pinning: A magnetic tunnel transistor (MTT) having a pinned layer that is extended in a stripe height direction and is exchange coupled with an antiferromagnetic (AFM) layer in the extended portion outside of the active area of the sensor. Exchange coupling only the extended portion of the pinned layer with the... Agent: Zilka-kotab, PC01/18/2007 > 14 patent applications in 13 patent subcategories.
20070014041 - Predictive failure analysis of thermal flying height control system and method: A method for predicting the failure of a data storage device having a slider heater is disclosed. For slider heaters exhibiting a decreasing resistance aging characteristic, a failure warning is produced when heater resistance suddenly increases 2 to 5%, or dR/dt changes sign from negative to positive. For slider heaters... Agent: D'arcy H. Lorimer
20070014042 - Multi-level mapping of tape error recoveries: Method and apparatus are provided for presenting various levels of detail about successful error recoveries and background hardware optimizations during the recording and retrieval of digital information on magnetic tape. A first, Band Summary, report presents a high-level summary of recovery methods by data band and wrap. A second, Detail... Agent: Law Office Of Dan Shifrin, PC - Ibm
20070014043 - Method of determining size of error and write control method for hard disc drive, hard disc drive using the write control method, and media storing computer programs for executing the methods: A method of determining a size of an error generated in a servo sector, a write control method of controlling whether to write data to data sectors successive to a servo sector according to the size of the error generated in the servo sector therein, a HDD using the write... Agent: Staas & Halsey LLP
20070014044 - Data erasure apparatus and data erasure method: Embodiments of the invention relate to erasing data recorded on a magnetic disk with increased certainty by using an external magnetic field. One embodiment is directed to a method for erasing data recorded on a magnetic disk, which is housed in a magnetic disk drive, by using an external erasure... Agent: Townsend And Townsend And Crew LLP
20070014045 - Assembly and method with drive damper: A disk drive assembly including a disk drive, a bracket for containing the disk drive, and a damper for absorbing an impact transmitted to the disk drive. The damper may have a shape of a ring to encircle a corner of the disk drive and may be formed of an... Agent: Staas & Halsey LLP
20070014046 - Spindle motor assembly usable with a hard disk drive: A spindle motor assembly usable with a hard disk drive. The spindle motor assembly includes a data storage disc having a center hole, a clamping zone around the center hole, and a data zone provided at an outer portion of the clamping zone, a spindle motor to rotate the disc,... Agent: Stanzione & Kim, LLP
20070014047 - Recording/reproduction head and recording/reproduction device: A phase-change recording/reproduction head includes: a probe consisting of a recording/reproduction electrode, an insulation layer arranged on the tip portion of the recording/reproduction electrode, and a resistor arranged on the insulation layer; and a return electrode arranged around the probe. During recording, voltage corresponding to the recording data is applied... Agent: Nixon & Vanderhye, PC
20070014049 - Perpendicular magnetic recording head having spacer layer in predetermined portion: An auxiliary yoke layer is provided on a main magnetic pole layer with a spacer layer provided therebetween. A rear end of the auxiliary yoke layer and a rear end of a return yoke layer are connected to each other. At all times except during recording, the presence of the... Agent: Brinks Hofer Gilson & Lione
20070014048 - Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic head: A method of manufacturing a thin-film magnetic head structure comprises the steps of preparing an insulating layer 10; forming a first resist layer 51 provided with a first slit pattern 51a corresponding to a very narrow groove part and a second slit pattern 51b corresponding to a temporary groove part... Agent: Oliff & Berridge, PLC
20070014050 - Magnetic head slider and production method thereof: A magnetic head slider having an air bearing surface overcoat that has excellent corrosion resistance and wear resistance despite its very small thickness is provided. In one embodiment, a method of producing a magnetic head slider comprises the steps of forming, on the air bearing surface of the slider, an... Agent: Townsend And Townsend And Crew LLP
20070014051 - Electrical connection between a suspension flexure cable and a head stack assembly flexible circuit: A method and apparatus for electrically coupling a slider to a controller circuit are disclosed. In one embodiment, a pre-amplifier with an integrated electrical connector (I-connector) may be connected via an electrical trace to a slider and via a head stack assembly flexible circuit to a control circuit. The pre-amplifier... Agent: Kenyon & Kenyon LLP
20070014052 - Head stack assembly, hard disk drive having the same, and hard disk drive method: A head stack assembly including a head stack assembly main body for moving a head across a disk, rotating around a predetermined pivot shaft, and a center of gravity compensation portion coupled to the head stack assembly main body and compensating for imbalances in the center of gravity of the... Agent: Staas & Halsey LLP
20070014054 - Cpp structure with enhanced gmr ratio: A CPP-GMR spin valve having a CoFe/NiFe composite free layer is disclosed in which Fe content of the CoFe layer ranges from 20 to 70 atomic % and Ni content in the NiFe layer varies from 85 to 100 atomic % to maintain low Hc and λS values. A higher... Agent: Stephen B. Ackerman
20070014053 - Magnetic field detecting element having a tunnel barrier formed on an amorphous layer: A magnetic field detecting element has a lower layer, a tunnel barrier layer, and an upper layer, wherein the lower layer, the tunnel barrier layer, and the upper layer are stacked adjacent to each other in this order, wherein a magnetization direction of either the lower layer or the upper... Agent: Fitch, Even, Tabin & Flannery01/11/2007 > 14 patent applications in 13 patent subcategories.
20070008639 - Magnetic recording/reproducing system: The invention is directed to a magnetic recording/reproducing system wherein each burst pattern in discrete media is configured in a substantially trapezoidal shape (truncated quadrangular pyramid shape, and which satisfies given relations between W1, W2, Tp and Wr. W1 is the upper side of the trapezoidal shape in the track... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.
20070008640 - Library apparatus, control method and control program thereof, and information processing apparatus: Disclosed is a configuration to implement a robot replacement in a library apparatus while maintaining an electrically-activated state. In such a configuration, the library apparatus storing a recording medium (cartridge) for writing and reading information with a host computer, comprises a plurality of robot units, which carries the recording medium;... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.
20070008641 - Tape cartridge management system and tape cartridge: A tape cartridge management system which includes a plurality of tape cartridges, an RFID tag for storing management information being arranged at outside or inside of a case of the tape cartridges, and a reader-writer for reading and writing the management information stored in the RFID tag, the reader-writer being... Agent: Sughrue Mion, PLLC
20070008642 - Acceleration sensor and magnetic disk device using the same: An acceleration sensor comprises a vibrating element 2 formed by arranging conductor films 26 and 29 on outer main surfaces of piezoelectric substrates 21 and 22 in a rectangular parallelepiped shape, and first supporting members 3a and 3b for holding a part of the vibrating element 2, the first supporting... Agent: Hogan & Hartson L.L.P.
20070008643 - Methods and apparatus for generating a clock signal, for writing servo tracks, and for characterising timing errors in a servo track writer: A method of generating a clock signal from a moving medium includes detecting movement of at least one mark that moves synchronously with the medium. A generally sinusoidal output signal corresponding to movement of the mark is produced. The generally sinusoidal output signal is interpolated to provide a clock signal... Agent: Pillsbury Winthrop Shaw Pittman, LLP
20070008645 - Correction table creation method for head position control, head position control method and disk device: A head position control system control the position of the head by correcting the components synchronizing rotation of the disk from the head control amount, in which an adjusted gain to minimize the components synchronizing rotation after correction is theoretically acquired. An adjusted gain based on the ratio of the... Agent: Greer, Burns & Crain
20070008644 - Methods calculating rro and rro compensation value in hdd: Provided are a method of calculating repeatable runout (RRO) of a hard disk drive (HDD) in a frequency domain, a method of calculating a compensation value using the RRO calculating method, and recording media used therefore. The method of calculating RRO in a disk with a plurality of tracks includes:... Agent: Volentine Francos, & Whitt PLLC
20070008646 - Seek control method of hard disk drive, recording medium storing method and hard disk drive adopting method: The present invention relates to a hard disk drive performing a seek control method using a multi-sinusoidal wave acceleration profile, where the seek control method is capable of coping with a variation in a voice coil motor driving current due to variances in a peripheral environment. The seek control method... Agent: Staas & Halsey LLP
20070008647 - Cartridge holder: A cartridge holder is disclosed that includes a cartridge supporting member that supports an inserted cartridge corresponding to a first cartridge or a thicker second cartridge; a cartridge upper face holding member that is normally positioned at a first height position for holding down the first cartridge; a cartridge upper... Agent: Richard P. Berg, Esq. C/o Ladas & Parry
20070008648 - Storage medium player with indicator light shield: A storage medium player includes a base, a printed circuit board mounted in the base, and an indicator device. The base includes an upper body and a lower body. One of the upper body and the lower body includes a first engaging portion and defines a hole. The indicator device... Agent: North America Intellectual Property Corporation
20070008649 - Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic head: A thin-film magnetic head structure has a configuration adapted to manufacture a thin-film magnetic head configured such that a main magnetic pole layer including a magnetic pole end part on a side of a medium-opposing surface opposing a recording medium, a write shield layer opposing the magnetic pole end part... Agent: Oliff & Berridge, PLC
20070008650 - Head slider and information storage apparatus: The present invention provides a high-safety head slider and an information storage apparatus having high operational reliability. The present invention provides a head slider equipped with a head that accesses a movable information storage medium on which information is recorded and that implements at least information reproduction, and situated close... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP
20070008651 - Stable flying height magnetic head slider and manufacturing method: Embodiments of the invention provide solutions to a problem, in which a reduced peripheral speed resulting from a trend toward a magnetic disk having a smaller diameter makes it more and more difficult to achieve a lifting force that allows a magnetic head slider to fly stably. According to one... Agent: Townsend And Townsend And Crew LLP
20070008652 - Head gimbal assembly with accessory plate and a method of manufacturing the same: A head gimbal assembly, including a slider, a suspension having a slider holding plate, and an accessory plate mounted on the suspension having a dimple to partially hold the slider holder plate.... Agent: Nixon & Vanderhye, PC
20070008653 - Magnetic disk drive with load/unload mechanism: The conventional ramp mechanism constituting a load/unload mechanism for a magnetic disk is disadvantageous for increasing a storage capacity since an outer peripheral edge of the disk is not used as a data area. In one embodiment of the invention, a disk drive has a solenoid and spring for turning... Agent: Townsend And Townsend And Crew LLP
20070008654 - Disk drive having improved disk drive components: One embodiment of the present invention is a head stack assembly of a disk drive, which head stack assembly includes: (a) a first contact disposed on a side of the head stack assembly, which first contact is adapted to contact a crash stop of the disk drive to stop the... Agent: Michael B. Einschlag, Esq.
20070008655 - Fixed-shaft helical drum structure with the shaft supported at both ends: A drum assembly (20, 20(7)) for a helical scan recorder comprises a stationary first drum (22) and a shaft (24) having a shaft first end (26) centrally mounted to the first drum and a shaft second end (28). The drum assembly further comprises a rotatable second drum (32) which has... Agent: Nixon & Vanderhye, PC
20070008657 - Magnetic head including read head element and inductive write head element: A non-magnetic layer is interposed between a read head element and an inductive write head element placed on the read head element in a magnetic head. The non-magnetic layer is made of material having a permittivity lower than that of Al2O3. The magnetic head of this type allows interposal of... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.
20070008656 - Thermoelectric cooling of ccp-cpp devices: The problem of increasing the output signal from a CCP-CPP GMR device without having it overheat has been overcome by placing materials that have different thermoelectric potentials on opposing sides of the spacer layer. Heat from the hot junction is removed at the substrate, which acts as a heat sink,... Agent: Stephen B. Ackerman
20070008658 - Thin-film magnetic head and method of making the same: The method of making a thin-film magnetic head in accordance with the present invention forms a cover layer on an insulating layer about a magnetoresistive film so as to eliminate a protrusion riding on the magnetoresistive film. Then, the protrusion can be eliminated by etching. The part of insulating layer... Agent: Oliff & Berridge, PLC
20070008659 - Optical path for a thermal-assisted magnetic recording head: An optical path or waveguide for a laser-assisted transducing head is disclosed. The optical path extends between the poles of the transducing head to near the write gap. A solid-state laser is attached to or incorporated into the slider or head and is positioned to direct thermal energy through a... Agent: Dorsey & Whitney LLP Intellectual Property Department
20070008660 - Magnetic head and method of manufacturing the same: A thin-film includes an inductive element and a first and second magneto-resistive effect elements in which the first and second magneto-resistive effect elements are arranged in proximity to each other on a substrate, and one surface of the substrate perpendicular to the surface formed with the first and second magneto-resistive... Agent: Townsend And Townsend And Crew, LLP
20070008661 - Magnetic tunneling junction film structure with process determined in-plane magnetic anisotropy: An MTJ memory cell and/or an array of such cells is provided wherein each such cell has a small circular horizontal cross-section of 1.0 microns or less in diameter and wherein the ferromagnetic free layer of each such cell has a magnetic anisotropy produced by a magnetic coupling with a... Agent: Saile Ackerman LLC01/04/2007 > 14 patent applications in 13 patent subcategories.
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