|Dynamic magnetic information storage or retrieval patents - Monitor Patents|
USPTO Class 360 | Browse by Industry: Previous - Next | All
10/2011 | Recent | 14: Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 13: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 12: Dec | Nov | Oct | Sep | Aug | July | June | May | April | Mar | Feb | Jan | 11: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 10: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 09: Dec | Nov | Oct | Sep | Aug | Jl | Jn | May | Apr | Mar | Fb | Jn | | 2008 | 2007 |
Dynamic magnetic information storage or retrieval October categorized by USPTO classification 10/11Below 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. 10/27/2011 > 10 patent applications in 6 patent subcategories. categorized by USPTO classification
20110261478 - Magnetoresistive element and magnetic recording apparatus: According to one embodiment, a magnetoresistive element includes a stack and a pair of electrodes that allows electric current to flow through the stack in a direction perpendicular to a surface of the stack. The stack includes a cap layer, a magnetization pinned layer, a magnetization free layer provided between... Agent: Kabushiki Kaisha Toshiba
20110261479 - Method of manufacturing magnetic recording medium, and magnetic recording/reproducing device: A method of manufacturing a magnetic recording medium is provided, which include: forming a magnetic layer on the surface of a nonmagnetic substrate; forming a groove in which a nonmagnetic section is formed by etching a portion corresponding to a formation region of the nonmagnetic section in the magnetic layer... Agent: Showa Denko K.k.
20110261480 - Reading data stored in recording medium: A device for reading data recorded on a recording medium having multiple tracks, the device including: a receiver that receives designations of a number of data elements to be read; and a determination unit that determines an order of reading the data elements so that, no matter on which track... Agent: International Business Machines Corporation
20110261481 - Magnetic structure for erasing disk or disks within hard disk drives: A structure for erasure of magnetic media in a hard drive includes a main field pole magnet polarized in a direction toward a drive spindle motor in the hard drive. At least two quadrature magnets are disposed adjacent the main field pole magnet and polarized in a direction toward the... Agent:
20110261482 - Information processing apparatus and head evacuation processing method therefor: An information processing apparatus includes a hard disk drive, an acceleration detection portion, and a controller. The hard disk drive has a protective function for moving a head from a recording area of a disk to an evacuation position. The acceleration detection portion is configured to detect, as a detection... Agent: Sony Corporation
20110261483 - Changing the composition and/or density of gases inside of assemblies during manufacturing: A method of changing a composition and/or a density of gases inside of a hard disk drive. The method includes placing at least one tube into contact with an interior of a hard disk drive, and exchanging gases through the at least one tube. The exchange of gases occurs essentially... Agent:
20110261484 - Reducing the obstruction of air flow through a bypass channel associated with a disk drive using an electrostatic pass-by filter: Embodiments of the present invention pertain to reducing the obstruction of air flow through a bypass channel associated with a disk drive. According to one embodiment, disk drive filtering system includes a selective filtering region, an electrostatic pass-by filter, and a filter free region. The selective filtering region is disposed... Agent:
20110261485 - Magnetic write head having a wrap around trailing shield with an asymetrical side gap: A magnetic write head having a magnetic write pole with a wrap around magnetic trailing shield. The wrap around magnetic trailing shield is separated by a first non-magnetic side gap at a first side of the write pole and by a second non-magnetic side gap at a second side of... Agent:
20110261486 - Perpendicular magnetic recording head with a bottom side shield: A perpendicular magnetic recording (PMR) head has a pole tip shielded laterally by a separated pair of bottom side shields and shielded from above by an upper shield. The bottom side shields surround a lower portion of the pole tip while the upper portion of the pole tip is surrounded... Agent: Headway Technologies, Inc.
20110261487 - Material for use in a tmr read gap without adversely affecting the tmr effect: Structures and methods for fabrication servo and data heads of tape modules are provided. The servo head may have two shield layers spaced apart by a plurality of gap layers and a sensor. Similarly, the data head may have two shield layers spaced apart by a plurality of gap layers... Agent:10/20/2011 > 9 patent applications in 9 patent subcategories. categorized by USPTO classification
20110255189 - Method of detecting touchdown of magnetic head using timestamps, and magnetic disk drive to which the method is applied: According to one embodiment, a method of detecting contact of a magnetic head with a magnetic disk by changing the dynamic flying height of the magnetic head in a magnetic disk drive is disclosed. The method can detect a change in the rotational speed of the magnetic disk. The method... Agent: Kabushiki Kaisha Toshiba
20110255190 - Limiting disc deflection: A data storage apparatus and associated method is provided involving a data storage disc that is rotatable around a first axis. An actuator is rotatable around a second axis to operably position a data transfer member between an innermost radial location of the data storage disc and an outermost radial... Agent: Seagate Technology LLC
20110255191 - Disk drive device: A disk drive device includes a base member; a hub on which a recording disk is placed; a bearing unit arranged on the base member for rotatably supporting the hub; and a spindle drive unit for rotationally driving the hub, wherein the spindle drive unit includes a stator core having... Agent: Alphana Technology Co., Ltd.
20110255192 - Thin film magnetic tape head: A magnetic tape head includes a writing element having a coil for generating magnetic flux and a yoke part that emits magnetic flux induced by the coil from a tape bearing surface opposite a magnetic tape, a substrate where the writing element is formed, and a closure joined with the... Agent: Tdk Corporation
20110255193 - Magnetic recording medium and method of manufacturing the same: According to one embodiment, a magnetic recording medium includes a data region and a servo region adjacent to the data region and including a magnetic recording layer, the magnetic recording layer including first and second patterned regions adjacent to each other, the first patterned region including a first nonmagnetic matrix... Agent: Kabushiki Kaisha Toshiba
20110255194 - Elastic member structure of magnetic head: An improved elastic member structure of a magnetic head comprises: a base having a first and a second holder plates, a first through hole being formed on the first holder plate, and a gap being formed between the first and second holder plates; a fixing base plate being fixed onto... Agent: Castles Technology Co., Ltd.
20110255195 - Transducer head assemblies and modules: In one embodiment a transducer head assembly is disclosed having a head module. The head module comprises at least one media bearer element providing a media bearer surface, and a head element block having an array of head elements. The assembly further comprises a carrier structure to carry the head... Agent:
20110255196 - Pmr writer with graded side shield: A perpendicular magnetic recording (PMR) head is fabricated with a pole tip shielded laterally by a graded side shield that is conformal to the shape of the pole tip at an upper portion of the shield but not conformal to the pole tip at a lower portion. The shield includes... Agent: Headway Technologies, Inc.
20110255197 - Microwave oscillating element and thin film magnetic head therewith: A microwave oscillation element of the present invention includes a lamination main part in which an oscillating layer that is a magnetization free layer and that generates a high frequency electromagnetic field by an excitation of a spin wave, a nonmagnetic intermediate layer, a polarizer layer, and a reference layer... Agent: Tdk Corporation10/13/2011 > 13 patent applications in 11 patent subcategories. categorized by USPTO classification
20110249354 - Disk storage apparatus and method for servo controlling: According to one embodiment, a disk storage apparatus includes a disk and a servo demodulator. The disk has a servo area, in which a first phase servo pattern, a second phase servo pattern that is in phase with the first servo pattern, and a third servo pattern that is inverse... Agent: Kabushiki Kaisha Toshiba
20110249355 - Method and system for error checking in bit-patterned media: A disc drive system provides increased reliability by detecting and correcting errors associated with bit-patterned media. Write synchronization errors associated with bit-patterned media are addressed by including data storage for temporarily storing data that is being written to the disc drive. The data is read from both the disc drive... Agent: Seagate Technology LLC
20110249356 - Disk storage apparatus and method for recording data: According to one embodiment, a disk storage apparatus includes a data recording module and a controller. The data recording module is configured to record a first sync mark and a second sync mark in each data sector provided on a disk. The controller is configured to control the data recording... Agent: Kabushiki Kaisha Toshiba
20110249357 - Method of protecting information written to recording medium, and disk drive and recording medium employing the method: A method of protecting information written to a recording medium includes magnetizing the recording medium to form a first magnetic pattern corresponding to information to be stored, and magnetizing the recording medium to form a protective magnetic pattern having a phase difference of 180° from the first magnetic pattern at... Agent: Samsung Electronics Co., Ltd
20110249358 - Apparatus and method of detecting a defective sector in a disk drive: A method and apparatus to detect a defective sector include features of determining a first error value by counting the number of error symbols in first data read from a sector by using a head in an on-track state, and reading second data from the sector by off-tracking the head... Agent: Samsung Electronics Co., Ltd
20110249361 - Fly-height control using asynchronous sampling: In one embodiment, a hard-disk drive system performs fly-height control using a read-back mode and a loop-back mode. The read-back mode measures first and second harmonics pre-recorded on the medium and divides the first measurement by the second to obtain a read-back mode harmonic ratio. The loop-back mode measures the... Agent: Lsi Corporation
20110249359 - Magnetic head having an asymmetrical shape and systems thereof: A magnetic head, according to one embodiment, includes a main magnetic pole having a protruding portion such that a distance from a first side of a trailing edge of the main magnetic pole to a leading edge of the main magnetic pole is different from a distance from a second... Agent:
20110249360 - Perpendicular magnetic recording head: According to one embodiment, a perpendicular magnetic recording head includes a main magnetic pole including a write magnetic pole layer for recording, the write magnetic pole layer comprising magnetic layers being antiferromagnetically coupled via a thin non-magnetic conductor layer between the magnetic layers, wherein the write magnetic pole layer for... Agent:
20110249362 - Spindle motor having connecting mechanism connecting lead wire and circuit board, and storage disk drive having the same: A spindle motor includes a base portion, a rotor hub, a stator, and a circuit board. The base portion preferably includes a through hole and is arranged to spread out radially around a central axis. The rotor hub is arranged above the base portion to rotate about the central axis.... Agent: Nidec Corporation
20110249363 - Magnetic head including sensor: A magnetic head disposed in a slider, that is arranged at an interval from a magnetic disk includes a sensor disposed in a position that is opposed to the magnetic disk, a heat conductive film that is positioned on an air bearing surface opposed to the magnetic disk, and that... Agent: Tdk Corporation
20110249364 - Pmr writer with seamless shields and method of making it: A process (and the structure resulting therefrom) is described for manufacturing a magnetic write head in which there is no physical interface between the first and second trailing shields. This is achieved by the introduction of a sacrificial layer immediately after the top yoke plating has been done and its... Agent: Headway Technologies, Inc.
20110249365 - Perpendicular magnetic recording write head with improved laminated main pole: A perpendicular magnetic recording write head has an improved antiferromagnetically-coupled laminated main pole (MP) formed on a substrate. The MP has two ferromagnetic multilayers, each comprising at least one FeCo/NiFe/FeCo ferromagnetic trilayer, antiferromagnetically coupled across an antiferromagnetically coupling (AFC) film consisting essentially of ruthenium (Ru). The MP has a NiFe... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20110249366 - Magnetic head suspension and manufacturing method thereof: A flexure metal plate includes distal and proximal end side-center-support plate forming regions that are positioned on distal and proximal sides within an open section. To a distal end section of a supporting part that is positioned on a distal side of the open section, first and second-distal side-metal plates... Agent: Suncall Corporation10/06/2011 > 19 patent applications in 14 patent subcategories. categorized by USPTO classification
20110242690 - Magnetic transfer method and magnetic transfer device: A system and method for magnetic transfer. A magnetic transfer device includes a plurality of pairs of magnetic field generating units that apply a magnetic field to a contact body which includes a master disk in close contact with a magnetic recording medium, wherein the master disk has a pattern... Agent: Fuji Electric Device Technology Co., Ltd.
20110242692 - Data-dependent noise-predictive maximum likelihood detection (dd-npml) for magnetic recording: In one embodiment, a method includes applying one or more whitening filters to an input stream of digitized samples from a magnetic data channel to produce a filtered sequence, performing one or more branch metric calculations to the filtered sequence to produce a branch metric, and applying a multi-state data-dependent... Agent: International Business Machines Corporation
20110242693 - Magnetic recording medium evaluation apparatus and evaluation method: This invention provides a magnetic recording medium evaluation apparatus and evaluation method which yield results having good correlation with error rate measurements even when comparing media with different structures. Signals from a function generator are recorded in a magnetic recording medium. The recording signals are also passed through a first... Agent: Fuji Electric Device Technology Co., Ltd.
20110242691 - Systems and methods for detecting head contact: Various embodiments of the present invention provide systems and methods for determining contact with a storage medium. As an example, a data storage system is disclosed that includes: a head assembly and a data processing circuit. The head includes a head disk interface sensor operable to provide a contact signal... Agent: Lsi Corporataion
20110242694 - Magnetic head and disk drive with same: According to one embodiment, a magnetic head for perpendicular recording includes a first magnetic core includes a main pole configured to produce a recording magnetic field, and a return pole configured to reflux magnetic flux from the main pole to form a magnetic circuit in conjunction with the main pole,... Agent: Kabushiki Kaisha Toshiba
20110242695 - Disk device and related write method: A method of performing a write operation in a disk device comprises storing multiple units of data in a first area of a buffer, wherein each of the units of data has a size that is different from a size of a corresponding target sector of a disk. The method... Agent: Samsung Electronics Co., Ltd.
20110242697 - Method for manufacturing thermally-assisted magnetic recording head with light source unit: Provided is a method for manufacturing a thermally-assisted magnetic recording head with “composite slider structure”. In the method, the waveguide is irradiated with a first light from opposed-to-medium surface side, and the passing first light is detected on back surface side to obtain an image of the light-receiving end surface,... Agent: Tdk Corporation
20110242696 - Microwave assisted magnetic head: A gap between a main pole and auxiliary pole composing a thin film magnetic head having a microwave assisted function of the present invention is filled with a nonmagnetic dielectric layer to embed a microwave radiator. The nonmagnetic dielectric layer has an inclined surface at a end on a side... Agent: Tdk Corporation
20110242698 - Barium ferrite magnetic storage media: Magnetic storage media that include a multilayer structure are described. In general, the magnetic storage media include a substrate, an underlayer that includes a plurality of underlayer particles formed over the substrate, and a magnetic layer that includes a plurality of magnetic particles formed over the underlayer. The magnetic layer... Agent: Imation Corp.
20110242699 - Hard disk control module, apparatuses having the same, and method of controlling unload standby time thereof: A hard disk control module includes a load/unload counter and a controller. The load/unload counter counts a number of loads/unloads of a head on/from a surface of a disk. The controller may determine the number of counted loads/unloads during a reference time. The controller controls an unload standby time of... Agent: Samsung Electronics Co., Ltd
20110242700 - Method of producing magnetic storage medium, magnetic storage medium and information storage device: The following abstract replace prior abstract in the application. It is an object to provide a simple and practical method capable of producing a magnetic storage medium of a type such as a bit-patterned type, a magnetic storage medium of the above-mentioned type and an information storage device which may... Agent: Ulvac, Inc.
20110242701 - Magnetic head and disk drive with the same: According to one embodiment, a magnetic head includes a main pole configured to apply a perpendicular recording magnetic field to a recording layer of a recording medium, a return pole opposed to the trailing side of the main pole with a write gap therebetween and configured to reflux magnetic flux... Agent: Kabushiki Kaisha Toshiba
20110242702 - Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus: According to one embodiment, a perpendicular magnetic recording layer comprises a granular film type recording layer and a continuous film type recording layer. The granular film type recording layer comprises a first granular film type recording layer in which magnetic crystal grains in a film plane has an average crystal... Agent: Kabushiki Kaisha Toshiba
20110242703 - Thermally assisted magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk drive: A thermally assisted magnetic head includes a main magnetic pole layer, a near-field light generating layer having a generating end part generating near-field light arranged within a medium-opposing surface, and an optical waveguide guiding light to the near-field light generating layer. The thermally assisted magnetic head includes a base layer... Agent: Sae Magnetics (h.k.) Ltd.
20110242704 - Disk drive flexure: A flexure is provided with a metal base of stainless steel, an insulating layer, and a pair of copper conductors. An opening region including an opening and a non-opening region without an opening are formed in a longitudinal part of the metal base. One of the conductors is provided with... Agent: Nhk Spring Co., Ltd.
20110242705 - Magnetic head, magnetic head assembly, and magnetic recording/reproducing apparatus: According to one embodiment, a magnetic head includes a reproducing section. The reproducing section includes a first magnetic shield, a second magnetic shield, a magnetoresistive effect film, and a third magnetic shield. The magnetoresistive effect film is provided between the first magnetic shield and the second magnetic shield and includes... Agent: Kabushiki Kaisha Toshiba
20110242706 - Magnetic recording medium: c
20110242707 - Hard disk drive: A hard disk drive includes a magnetic head to write data to a disk by magnetizing the disk using a leakage magnetic flux that leaks in a disk direction through a write gap provided between a write pole to apply a magnetic field to the disk and a shield provided... Agent: Samsung Electronics Co., Ltd
20110242708 - Electronic apparatus and disk drive suspension: A microactuator element as an example of an electrical component is disposed on a metallic, electrically conductive plate member. A conductive resin member is disposed on a current-carrying part of the conductive plate member and a conduction part of the microactuator element. A thin porous plating layer of thickness 100... Agent: Nhk Spring Co., Ltd.Previous industry: Optical: systems and elements
Next industry: Electricity: electrical systems and devices
RSS FEED for 20140828:
Integrate FreshPatents.com into your RSS reader/aggregator or website to track weekly updates.
For more info, read this article.
Thank you for viewing Dynamic magnetic information storage or retrieval patents on the FreshPatents.com website. These are patent applications which have been filed in the United States. There are a variety ways to browse Dynamic magnetic information storage or retrieval patent applications on our website including browsing by date, agent, inventor, and industry. If you are interested in receiving occasional emails regarding Dynamic magnetic information storage or retrieval patents we recommend signing up for free keyword monitoring by email.
Results in 0.45878 seconds