Dynamic magnetic information storage or retrieval inventions 05/07

20070121233 - Information recording and reproducing apparatus: An information recording and reproducing apparatus which records information on a medium and reproduces information stored on the medium includes a write compensation circuit configured to perform compensation of the information recorded on the medium, wherein the write compensation circuit corrects, in advance, an asymmetry of a signal read from... Agent: Volentine Francos, & Whitt PLLC

20070121232 - Information reproducing apparatus: An information reproducing apparatus which reproduces information recorded on a medium includes an asymmetry correction circuit configured to correct an asymmetry of a signal read from a medium. The apparatus also includes a first high pass filter installed before the asymmetry correction circuit and configured to remove noise in the... Agent: Volentine Francos, & Whitt PLLC

20070121234 - Disk drive having a head amplifier for perpendicular magnetic recording: According to one embodiment, a disk drive is provided which has a head amplifier having a function of, at a data recording time, outputting AC pattern data to a write head prior to the recording of the write data to allow it to be recorded on a write splice section... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070121235 - Magnetic disk drive, method for registering defective sector, and method for controlling flying height: Embodiments in accordance with the present invention relate to suppressing effects of the rotational jitter of a rotating medium during self-writing of patterns on the medium. In one embodiment, patterns are written on a track TE first. While a clock frequency is modulated using the difference between the readout time... Agent: Townsend And Townsend And Crew LLP

20070121236 - Portable apparatus having head retracting function and head retracting method: A portable apparatus for reproducing audio data includes a recording medium on which the audio data is recorded, a reading head for reading the audio data from the recording medium, an acceleration sensor for detecting acceleration, a buffer memory from which the audio data is read after the audio data... Agent: Wolf Greenfield & Sacks, P.C.

20070121237 - Read circuit and hard disk drive using the same: A magnetic disk apparatus-purpose reproducing circuit capable of performing a high speed and under stable condition. In the magnetic disk apparatus-purpose reproducing circuit equipped with: a bias circuit for applying a bias voltage with respect to an MR (Magneto-Resistive) head, an amplification circuit for amplifying an output of the MR... Agent: Miles & Stockbridge PC

20070121238 - Magnetic head device: A slider of a magnetic head device has a side that faces a recording medium and on which a first positive pressure is exerted on the leading side and a second positive pressure is exerted on the trailing side. In the area between the first positive pressure area and the... Agent: Brinks Hofer Gilson & Lione

20070121239 - Electronic appliance and fall detection method: In an electronic appliance, accelerations in X-direction, in Y-direction that is orthogonal relative to the X-direction and in Z-direction that is orthogonal relative to both the X-direction and the Y-direction are synthesized and the size of the synthetic acceleration vector formed by synthesizing the accelerations is detected, associated with the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070121240 - Ltm compensation methods and systems for magnetic servo writing: Methods and systems are provided for writing a magnetic servo track. In one example, a system includes a head assembly having first and second write elements, and a controller. The controller operable to receive a position signal associated with a position of the magnetic storage medium and energize the first... Agent: Morrison & Foerster LLP

20070121241 - Disk drive having a magnetic head for perpendicular magnetic recording: According to one embodiment, a disk drive is provided which realizes an effective variable track pitch structure of a perpendicular magnetic recording system. The disk drive uses a magnetic head including a write head having a main magnetic pole structure with a bottom surface formed to have a trapezoidal or... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070121242 - Hard disk drive: A hard disk drive comprising balance weight integrally coupled to a clamp is provided. The hard disk drive comprises a disk stack assembly comprising a disk, a spindle motor comprising a rotational shaft and a spindle motor hub adapted to support the disk, and a clamp comprising a plurality of... Agent: Volentine Francos, & Whitt PLLC

20070121243 - Spindle motor assembly and hard disk drive having the same: A spindle motor assembly and a hard disk drive having the spindle motor assembly. The spindle motor assembly includes a data storage disk to store data and having a parking region in which to park a read/write head, a spindle motor to drive the data storage disk and having a... Agent: Stanzione & Kim, LLP

20070121244 - Suspension, head gimbal assembly with suspension and disk drive apparatus with head gimbal assembly: A suspension includes a multilayered plate member formed by at least three layers laminated together. Modulus of elasticity of neighbor layers of the at least three layers are different from each other. Both side edges of only a part of the layers of the multilayered plate member within a stiffness-required... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070121245 - Thin film magnetic head having recording coil and method of forming recording coil: Disclosed are a thin film magnetic head that has a recoding coil and a method of forming a recording coil can sufficiently achieve a cross-sectional area of the coil and reduce coil resistance. A recording coil of a thin film magnetic head is formed as follows. First, frames, which divide... Agent: Brinks Hofer Gilson & Lione

20070121247 - Thin film magnetic head that has solenoid type recording coil: A thin film magnetic head is provided. The thin film magnetic head includes an upper coil wire group and a lower coil wire group. Two columns of coil contact groups that are formed on both end portions of individual coil wires of the upper coil wire group and the lower... Agent: Brinks Hofer Gilson & Lione

20070121246 - Thin-film magnetic head for perpendicular recording and method of manufacturing the same: A thin-film magnetic head and method of manufacturing the same are provided. The thin-film magnetic head includes a reading head that includes a reading element. A writing head is formed above the reading head. The writing head includes a first magnetic part and a second magnetic part that are connected... Agent: Brinks Hofer Gilson & Lione

20070121249 - Electrical signal-processing device integrating a flux sensor with a flux generator in a magnetic circuit: An electrical signal processing device includes at least one thin film flux generator and at least one thin film magnetic sensor. Each flux generator includes at least one conductive induction line that is connected to at least one lead of a pair of input leads, and a yoke that surrounds... Agent: Intellectual Property Law Offices

20070121248 - Magnetic head for perpendicular magnetic recording and method of manufacturing same: A magnetic head comprises a pole layer, a shield layer, a gap layer disposed between the pole layer and the shield layer, and a coil. The shield layer incorporates: a first layer disposed on the gap layer; a second layer disposed on the first layer; and a third layer disposed... Agent: Oliff & Berridge, PLC

20070121250 - Method and appliance for copying data from a tape onto a storage medium: The method for copying data from a tape onto a storage medium comprises the steps of scanning the tape in a fast winding operation, counting control pulses present on the tape during the fast winding operation in a counter, defining a compression rate in dependency of the number of control... Agent: Joseph J Laks Thomson Licensing Inc

20070121251 - Method of manufacturing head, head, and disk driving device: According to one embodiment, a slider in a head has an opposite surface that is opposite a surface of a recording medium, a plurality of protrusions protrusively provided on the opposite surface, and a negative pressure cavity. A method of manufacturing a slider provides a mask of a predetermined shape... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070121252 - Actuator and hard disk drive having the same: An actuator of a hard disk drive includes a swing arm having an axis or rotation, a suspension extending from a distal end of the swing arm, a read/write head mounted on the suspension, a coil support fixed to a proximate end of the swing arm so as to rotate... Agent: Volentine Francos, & Whitt PLLC

20070121253 - Magnetoresistance effect element and magnetic head: A magnetoresistance effect element has a lamination structure comprising a free layer including two ferromagnetic layers, a pinned layer including two ferromagnetic layers, and at least one nano-contact portion composed of a single ferromagnetic layer and disposed at least one portion between the free layer and the pinned layer. A... Agent: Kenyon & Kenyon LLP

20070121255 - Magneto-resistance effect element having heusler alloy compounds adjacent to spacer layer: A magneto-resistance effect element according to the present invention comprises a pinned layer whose magnetization direction is fixed; a free layer whose magnetization direction varies in accordance with an external magnetic field; and a nonmagnetic spacer layer that is arranged between said pinned layer and said free layer. At least... Agent: Fitch, Even, Tabin & Flannery

20070121254 - Protective and conductive layer for giant magnetoresistance: Giant magnetoresistance structures exhibiting a giant magnetoresistive effect are provided, and apparatuses incorporating said structures. The structures incorporate a giant magnetoresistive element that is surrounded by protective layers that are capable of shielding the element from harsh environmental conditions, thereby enabling their use in harsh environments.... Agent: Kris T. Fredrick Honeywell International Inc.

20070115574 - Asynchronous read channel shaped toward generalized partial response characteristics: Provided is an asynchronous read channel shaped toward generalized partial response characteristics. The read channel is incorporated in a storage device to process signals read from a storage medium. An equalizer receives asynchronous input read signals and shapes the input read signals toward a desired fixed characteristic in an asynchronous... Agent: Konrad Raynes & Victor, LLP. Attn: Ibm37

20070115575 - Recording current optimization method of hard disk drive, recording medium storing program to execute the method and apparatus employing the same: A recording current optimization method to optimize a recording current according to a change of a driving voltage applied to a pre-amplifier that generates the recording current supplied to a head, a recording medium storing a program that executes the method, and an apparatus that employs the method. The method... Agent: Stanzione & Kim, LLP

20070115578 - Differential timing based servo pattern for magnetic-based storage media: A magnetic storage media includes a magnetic first-pole polarity initialized servo track segment and a magnetic second-pole polarity differential timing based servo pattern recorded on the magnetic first-pole polarity initialized servo track segment. The magnetic second-pole polarity differential timing based servo pattern represents magnetic encoded servo position information for facilitating... Agent: Cardinal Law Group

20070115577 - Magnetic-polarity encoded servo bands for magnetic-based storage media: A magnetic storage media includes one or more magnetic polarity encoded servo bands with each magnetic polarity encoded servo band including one or more magnetic south-north servo band sections and one or more magnetic north-south servo band sections. Each magnetic south-north servo band section includes a magnetic south-pole polarity initialized... Agent: Cardinal Law Group

20070115576 - Magnetic-polarity encoded servo position information for magnetic-based storage media: A magnetic storage media includes a magnetic south-north servo band section and a magnetic north-south servo band section. The magnetic south-north servo band section includes a magnetic south-pole polarity initialized servo track segment and a magnetic north-pole polarity servo pattern recorded on the magnetic south-pole polarity initialized servo track segment.... Agent: Cardinal Law Group

20070115579 - Method to test a tape drive: Applicant's invention comprises a method to test a tape drive and its mid-tape recovery abilities. Applicant's method provides a tape drive, and disposes a magnetic tape in that tape drive, wherein the magnetic tape comprises a physical beginning of tape (“PBOT”) and a physical end of tape (“PEOT”). The method... Agent: Dale F. Regelman

20070115580 - Recording/reproducing apparatus and method of measuring a parameter: A recording/reproducing apparatus includes: a magnetic recording medium on which data track patterns are formed in data track pattern regions by a pattern with recording regions and non-recording regions and on which servo patterns are formed in servo pattern regions by the pattern; a recording head that writes signals on... Agent: Greenblum & Bernstein, P.L.C

20070115581 - Peak detection for magnetic tape timing based servo: Selection of servo signals for peak detection of timing based servo tracks of magnetic tape for lateral positioning of heads relative to the magnetic tape. Servo signals from magneto-resistive servo read head(s) reading a magnetic tape are digitized by analog to digital converter(s); digital peak measurement apparatus is configured to... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.

20070115582 - Operator alterable space for a magazine based library: An operator alterable space is described, for use with a data storage library. The library has a frame substantially defines an interior environment and is exposed to an exterior environment. The operator alterable space is adapted to accommodate either a drive module that is capable of storing data to a... Agent: Spectra Logic C/o Hiscock & Barclay, LLP

20070115585 - Micro flux gate sensor and method of manufacturing the same: A method of manufacturing a micro flux gate sensor and a micro flux gate sensor manufactured according to the method are provided. The method includes operations of forming a lower coil portion of an excitation coil and a magnetic field detecting coil on a wafer, forming connection portions with a... Agent: Sughrue Mion, PLLC

20070115583 - Perpendicular write head with shaped pole tip to optimize magnetic recording performance: A magnetic write head for perpendicular magnetic recording, the write head having a magnetic write pole configured with a cross section as viewed from the ABS that has a trailing portion with substantially vertical side walls and a leading portion formed with a taper that becomes narrower as it extends... Agent: Zilka-kotab, PC

20070115584 - Write head design and method for reducing adjacent track interference in at very narrow track widths: A perpendicular write head having a wrap around trailing shield for reducing stray field writing and adjacent track interference. A method for constructing such a write head allows for excellent control of side shield gap thickness and trailing shield gap thickness, and allows the ratio of side gap to trailing... Agent: Zilka-kotab, PC

20070115586 - Method of manufacturing magnetic recording medium, magnetic recording medium stamper, and magnetic recording medium preform: A discrete track magnetic recording medium is manufactured as follows. A resist layer 58a is formed on a preform M in the form of a flat plate where a recording layer 55 is formed on a glass substrate 51 and a preform center of the preform M is specified. The... Agent: Greenblum & Bernstein, P.L.C

20070115587 - Method and apparatus for mounting a drive in a chassis: According to one embodiment, a drive mounting system includes a drive chassis having a first wall and a second wall transverse to the first wall. A third wall is supported in the chassis and movable between a first position opposite the first wall and a second position opposite the second... Agent: Haynes And Boone, LLP

20070115588 - Storage apparatus, magnetic head driving device, and relay flexible printed circuit board: A storage apparatus and a magnetic head driving device includes a recording/reproducing head including a write element and a magnetoresistive element, a driving circuit for driving the write element and the magnetoresistive element, and write wires and read wires which connect the recording/reproducing head to the driving circuit. The write... Agent: Patrick G. Burns Greer, Burns & Crain, Ltd.

20070115589 - Slider and method of producing the same: A slider comprises an air bearing surface which is arranged to face a recording medium and a protective film which covers at least a part of the air bearing surface. The protective film includes a first protective film formed on the air bearing surface and made of an amorphous material... Agent: Nixon & Vanderhye, PC

20070115590 - Disc flutter compensating suspension: A suspension is provided, which has proximal and distal ends and a longitudinal axis extending from the proximal end toward the distal end. A rotating hinge rotates the distal end about the longitudinal axis in response to vertical motion of the distal end relative to the proximal end.... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20070115591 - Suspension, head gimbal assembly and disk drive unit with the same: A suspension for a HGA of the invention includes a flexure having a plurality of connection pads to connect with a control system at one end and a plurality of electrical multi-traces at the other end; which comprising: a tongue to hold the slider; a suspending portion to suspend the... Agent: Nixon & Vanderhye, PC

20070115592 - Hard disk drive and method of fabricating the same: A hard disk drive and a method of fabricating the same. The hard disk drive includes a base member and a cover member of which outer circumferences are combined with each other and which form an internal space, an actuator mounted on the base member to be pivoted, a voice... Agent: Stanzione & Kim, LLP

20070115593 - Hsa with air turbulence preventing structure for hga, disk drive unit with the same, and manufacturing method thereof: A HSA of the present invention includes a voice coil; an E-block connected to the voice coil, which including at least one actuator arms; at least one HGAs, wherein each HGA is swaged on a tip of the respective actuator arm and includes a suspension having a flexure for supporting... Agent: Nixon & Vanderhye, PC

20070115594 - Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface, and method of manufacturing the head: A main magnetic pole layer is formed on an insulating layer flattened into a high-flatness surface, and a yoke layer having a large film thickness is formed on the main magnetic pole layer independently of the main magnetic pole. The main magnetic pole layer has a front end surface formed... Agent: Brinks Hofer Gilson & Lione

20070115595 - Cpp-type thin-film magnetic head and manufacturing method thereof: a CCP-type thin-film magnetic head and a manufacturing method thereof are provided. The CCP-type thin-film magnetic head includes a thin-film magnetic head element formed between the upper shield layer and the lower shield layer, and a side fill gap layer securing the insulating property, which is formed from both end... Agent: Brinks Hofer Gilson & Lione

20070115596 - Magnetic detecting element having pinned magnetic layer with pinned magnetization direction and free magnetic layer formed on pinned magnetic layer with nonmagnetic material layer interposed between with magnetization direction changing by external magnet: A magnetic detecting element and method of manufacturing the same are provided. The magnetic detecting element including a free magnetic layer and a second pinned magnetic layer is formed of a CoMnGeSi alloy layer represented by a composition formula of Co2xMnx(Ge1-zSiz)y (where x and y are atomic percent, and 3x+y=100... Agent: Brinks Hofer Gilson & Lione

20070115597 - Spin injection devices: Devices such as transistors, amplifiers, frequency multipliers, and square-law detectors use injection of spin-polarized electrons from one magnetic region, into another through a control region and spin precession of injected electrons in a magnetic field induced by current in a nanowire. In one configuration, the nanowire is also one of... Agent: Hewlett Packard Company

20070109678 - Magnetic recording medium: A magnetic recording medium includes a substrate and a recording layer formed on the substrate. The recording layer is provided with a plurality of information tracks each having a track servo signal region and a user data region. Adjacent information tracks are separated by non-magnetic material. The track servo signal... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070109679 - Hard disk drive adapted to detect free-fall and perform emergency parking of read/write head prior to impact: Embodiments of the invention provide a hard disk drive (HDD) adapted to detect when an HDD is in a free-fall state and park a head prior to impact. The HDD comprises a spindle motor comprising a rotary body and adapted to rotate a disk, wherein the disk is adapted to... Agent: Volentine Francos, & Whitt PLLC

20070109680 - Systems for self-servowriting in multiple portions with multiple passes per servowriting step: The amount of position error written into a servo burst pattern can be reduced by using additional media revolutions to write the pattern. Where servo bursts are used to define a position on the media, trimming a first burst and writing a second burst on separate revolutions of the media... Agent: Fliesler Meyer LLP

20070109681 - Magnetic reader with piggybacked fence: A magnetic head comprises a plurality of elements selected from a group consisting of readers and writers. A servo sensor is positioned towards the elements, the servo sensor being adapted for sensing a first servo track of a magnetic medium. A fence is positioned towards the servo sensor and aligned... Agent: Zilka-kotab, PC

20070109682 - Magnetic recording/reproducing head with head elements displaced in both head width and lamination directions: A magnetic recording/reproducing head having a plurality of magnetic head elements for multi-channeling capable of achieving high density recording/reproducing capability, including: a plurality of magnetic recording/reproducing head layers each including magnetic recording/reproducing head elements fabricated by a thin film process and interposed between two insulating/magnetic shielding layers laminated on a... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070109684 - Thin film magnetic head for perpendicular recording: A thin film magnetic head is provided. The thin film magnetic head includes a first magnetic portion separated from a second magnetic portion in a perpendicular direction. A coil layer is disposed between the first magnetic portion and the second magnetic portion. A slot height determining layer is disposed on... Agent: Brinks Hofer Gilson & Lione

20070109683 - Thin-film magnetic head with closure and manufacturing method of the head: A thin-film magnetic head where the closure is bonded with sufficiently high adhesive strength by the adhesive layer thinner than conventional and that is free from the problem of fine dusts, is provided. The head comprises: a substrate having an element-formed surface and an opposed-to-medium surface; at least one magnetic... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070109685 - Recording disk cartridge: A recording disk cartridge is provided including a recording disk medium, a cartridge case which contains the recording disk medium and has a case opening to cause the recording disk medium exposed outside, and a rotary shutter to open and close the case opening, in which in the cartridge case,... Agent: Sughrue Mion, PLLC

20070109686 - Method for controlling overcoat recession in a magnetic thin film head: The overcoat of a slider (alumina) is recessed relative to the slider ABS by a non-abrasive CMP process sufficiently to prevent thermal protrusion of the overcoat during subsequent slider use in a hard disk drive. The CMP process involves the oscillatory and rotational compressional contact between the ABS surface of... Agent: George O. Saile

20070109687 - Contact type thin film magnetic head and method of using the same: A contact type thin film magnetic head and method of using the same are provided. The contact type thin film magnetic head comprises a head element that is provided on a disk-facing surface of a slider, a magnetic disk, and heating elements disposed in a plane position different from that... Agent: Brinks Hofer Gilson & Lione

20070109688 - Voice coil motor coupling structure of hard disk drive: A voice coil motor coupling structure of a hard disk drive for coupling a voice coil motor to a base plate of the hard disk drive, the voice coil motor includes a coil coupled to a rear end portion of an actuator arm, an upper yoke and a lower yoke... Agent: Staas & Halsey LLP

20070109689 - Micro-actuator with electric spark preventing structure, hga, and disk drive unit with the same, and manufacturing method thereof: A micro-actuator includes a metal frame having two side arms, a top support arm and a bottom support arm respectively connected with the top ends of the two side arms. The two side arms are in parallel with and spaced from each other a distance adapted to hold a slider... Agent: Nixon & Vanderhye, PC

20070109690 - Thin-film pzt micro-actuator integrated with suspension of head gimbal assembly, and disk drive unit with the same: A micro-actuator for a head gimbal assembly includes a support structure and a PZT element. The support structure includes a bottom support integrated with a suspension flexure of the head gimbal assembly, a top support adapted to support a slider of the head gimbal assembly, and a leading beam that... Agent: Nixon & Vanderhye, PC

20070109691 - Thin-film magnetic head, head gimbal assembly, head arm assembly and magnetic disk drive: A thin-film magnetic head comprises: a magnetoresistive element: first and second read shield layers disposed to sandwich the magnetoresistive element; and bias field applying layers for applying a bias magnetic field to the magnetoresistive element. Each of the first and second read shield layers has: a first end face located... Agent: Oliff & Berridge, PLC

20070109692 - Oblique angle etched underlayers for improved exchange biased structures in a magnetoresitive sensor: A magnetoresistive sensor having improved pinning field strength. The sensor includes a pinned layer structure pinned by exchange coupling with an antiferromagnetic (AFM) layer. The AFM layer is constructed upon an under layer having treated surface with an anisotropic roughness. The anisotropic roughness, produced by an angled ion etch, results... Agent: Zilka-kotab, PC

20070109693 - Magnetic head with improved cpp sensor using heusler alloys: A magnetic head including a CPP GMR read sensor that includes a reference layer, a free magnetic layer and a spacer layer that is disposed between them, where the free magnetic layer and the reference magnetic layer are each comprised of Co2MnX where X is a material selected from the... Agent: Intellectual Property Law Offices

20070103805 - Reproduction device and method, recording medium, and program: The present invention relates to a reproducing apparatus which, in a case where a burst error has occurred, corrects an error preceding a synchronization pattern detected thereafter to have less errors. A bit slip judging section 81 in a bit slip correcting section 53 calculates a bit slip correction amount... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070103806 - Signal processing apparatus, signal processing method and storage system: A signal processing apparatus has a plurality of baseline wander correcting units, provided in a processing path in which a predetermined processing is performed on an input signal. Baseline wander of the signal is corrected sequentially by each of the plurality of baseline wander correcting units. At least a baseline... Agent: Cantor Colburn, LLP

20070103807 - Method for recording bursts on a disk and related apparatus: Embodiments of the invention provide a method for recording bursts on a disk and a related apparatus. In accordance with an embodiment of the invention, a method for recording bursts on a burst field of a servo sector of a disk comprises generating a first write current corresponding to burst... Agent: Volentine Francos, & Whitt PLLC

20070103808 - Magnetic disk drive: A magnetic disk drive comprises a recording medium, a slider, and an alignment device for aligning the slider with respect to the medium. No film made of liquid lubricant is disposed on the surface of the medium. The slider incorporates: a slider main body including a thin-film magnetic head element... Agent: Oliff & Berridge, PLC

20070103809 - Retracting method of hard disk drive, hard disk drive adopting the method, and recording medium storing program for executing the method: A retracting method of compensating for a time for parking and unloading with an additional floating force obtained by additionally operating a spindle motor for a predetermined period after a retract operation is started, a hard disk drive (HDD) adopting the method, and a computer readable recording medium having a... Agent: Stanzione & Kim, LLP

20070103810 - Contacts for a magazine for a magazine-based library: Described herein is a mobile data storage magazine for interacting with a docking station. The magazine can include a magazine frame containing a plurality of operatively interconnected disk drives, a first contact element associated with the magazine frame capable of conducting electrical power to at least one of the plurality... Agent: Hiscock & Barclay, LLP

20070103811 - Filtration arrangment for electronic enclosure: A filtration arrangement for electronic enclosures such as hard disk drives. A wall is formed around the circumference of at least a portion of a rotating disk. A channel is formed between a surface of the wall and the housing of the electronic enclosure, and a filter is located within... Agent: Pauly, Devries Smith & Deffner, L.L.C.

20070103812 - Magnetic head closure bond using metal adhesion: A transducing head and related fabrication method, and a system for information storage. The head includes a substrate comprising a relatively hard material, a transducer carrier on the substrate comprising a material that is soft relative to the substrate and which embeds one or more transducer elements, and a closure... Agent: Walter W. Duft

20070103813 - Method of manufacturing a magnetic head with flux shaping layer: A method for fabricating a magnetic head includes forming a first pole and a flux shaping layer in spaced relation to the first pole. A nonmagnetic layer is formed adjacent the flux shaping layer and positioned on an air bearing surface (ABS) side of the flux shaping layer. A tapered... Agent: Zilka-kotab, PC

20070103814 - Thin-film magnetic head, head gimbal assembly, and hard disk drive: A thin-film magnetic head comprises at least one of a magnetoresistive device for reading and an electromagnetic transducer device for writing, and a heating element provided in the head body part. The heating element has an up portion meandering between an origin and a halfway point and a down portion... Agent: Oliff & Berridge, PLC

20070103815 - Magnetic head assembly, magnetic head drive apparatus and manufacturing method of magnetic head assembly: A magnetic head assembly includes a magnetic head slider with an element-formed surface on which at least one MR read head element is formed, an ABS to be opposed in operation to a magnetic recording medium and a fixing surface that is the other side of the ABS, and a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070103816 - Slider and magnetic disk device using the slider: A slider having an improved atmospheric pressure variation characteristic can be provided by ensuring the desired amount of inflow of air flowing to the air bearing surface in a region where it is difficult to ensure the desired air inflow amount, e.g., a region where the slider/disk relative speed is... Agent: Steptoe & Johnson LLP

20070103817 - Disk drive: A disk drive includes a disk, a suspension juxtaposed with the disk, and plural sliders arranged in a row on the suspension.... Agent: Rogitz & Associates

20070103818 - Variable resistance element and method of using the same: A variable resistance element whose resistance varies according to a magnitude of current applied thereto, and a method of using the element are provided. The variable resistance element has a first ferromagnetic layer, a second ferromagnetic layer, and a nano-contact portion disposed between the first ferromagnetic layer and the second... Agent: Oliff & Berridge, PLC

20070097533 - Information recording medium, information reproducing apparatus, and information recording and reproducing apparatus: A basic data structure in a lead-in area is made coincident with each other in all of a read only type, write once type, and a rewritable type. The lead-in area is divided into a system lead-in area and a data lead-in area. A track pit and a pit pitch... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070097535 - Micro-journaling of data on a storage device: Embodiments of the present invention recite a method of preserving data on a hard disk drive. In one embodiment, a first copy of data is read from at least one sector of a hard disk drive and stored in a first location. A second copy of the data is stored... Agent: Wagner, Murabito & Hao LLP Third Floor

20070097534 - Tape drive apparatus and method: Disclosed is a method of storing data on a tape medium in at least one data recording session employing a tape drive apparatus operable to record the data in accordance with a format specifying an unused area of the tape medium. The method comprises formatting the tape medium according to... Agent: Hewlett Packard Company

20070097536 - Asperity data storage system, method and medium: An asperity data storage system wherein asperities are used to represent stored data. The asperity data storage system includes an asperity transducer that thermally interacts with a data storage medium adapted to store an information-encoded pattern of asperities thereon, such as a rotatable disk, a streamable tape, or a fixed... Agent: Walter W. Duft

20070097537 - Recording servo stripes onto a servo track: To access data on a storage medium, at least three servo stripes simultaneously recorded in a servo track are read. The at least three servo stripes have different orientations on the servo track. An indication of a lateral position of a storage medium access head with respect to the servo... Agent: Hewlett Packard Company

20070097538 - Method and apparatus for driving spindle motor using adaptive feedforward control: A method and apparatus for driving a spindle motor using adaptive feedforward control. The method includes: detecting a temperature of a drive; calculating a feedforward value corresponding to the detected temperature; and generating a first control signal that is a drive current according to a calculated feedforward value and applying... Agent: Staas & Halsey LLP

20070097539 - Method and apparatus for servo control using spiral servo information in a disk drive: According to one embodiment, in a disk drive using a disk medium storing spiral servo information, a CPU generates virtual servo information having assumed virtual track centers corresponding to centers of concentric data tracks. The CPU performs control to position a head to the center of the concentric data track... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070097540 - Disk drive having a disk medium with discrete track: According to one embodiment, a disk drive using a disk medium in which servo information is embedding-recorded by a DTR method has a structure wherein a phase-difference servo burst pattern included in the servo information embedded in servo regions on the disk medium has a single inclined direction being the... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070097541 - Recording/reproducing method of magnetic tape: In a recording/reproducing method of a magnetic tape in a tracking servo system, a recording density of each data track is increased while inhibiting occurrence of a recording/reproducing error caused by a size change of a magnetic tape in the width direction. Data tracks are each set to have a... Agent: Birch Stewart Kolasch & Birch

20070097542 - Burst communications for an automated data storage library: An automated data storage library with storage shelves, data storage drive(s), a bus bar; and a robot accessor with a drive system for moving the robot accessor, an accessor communication interface, a bus bar relay configured to engage and disengage the bus bar; and a robot control configured to operate... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.

20070097544 - Rotor blade and hard disk drive having the same: A rotor blade and an HDD (hard disk drive) having the same, wherein the rotor blade is mounted together with a disk-shaped data storing medium on a spindle motor of the HDD to rotate coaxially with the disk-shaped data storing medium. The rotor blade includes a plurality of blades to... Agent: Stanzione & Kim, LLP

20070097543 - Storage apparatus, and control method and program: Upon obtaining a detection signal of a shock sensor that detects a shock applied to an apparatus for output, a write disabling unit disables writing by a head on a medium over a predetermined time corresponding to a shock convergence. A determining unit determines, during the write disable, whether an... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070097545 - Disk damper and hard disk drive having the same: A disk damper to reduce the vibration of a HSA (head stack assembly) by air flow caused by rotation of a disk, and a HDD (hard disk drive) having the same. The disk damper includes a front end positioned relatively far from the HSA and a rear end positioned relatively... Agent: Stanzione & Kim, LLP

20070097546 - Laminated return pole for suppressing side track erasure: A perpendicular writer includes a surface, a main pole proximate the surface, a return pole proximate the surface, and a back yoke connecting the main pole to the return pole distal the surface. The return pole is configured such that a magnetization of a portion of the return pole adjacent... Agent: Kinney & Lange, P.A.

20070097548 - Perpendicular magnetic recording apparatus: According to one embodiment, a perpendicular magnetic recording apparatus includes a write head including a main pole, a return pole and an exciting coil, and a medium having a soft underlayer and a perpendicular recording layer on a substrate, in which the main pole has a length P in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070097547 - Soft magnetic film, method of manufacturing soft magnetic film, thin film magnetic head that uses soft magnetic film, and method of manufacturing thin film magnetic head: A soft magnetic film and a method of manufacturing the soft magnetic film are provided. The soft magnetic film is plated with Fe and Ni, Fe and Co, or Fe, Ni and Co. A ratio Cl/Fe of ion strengths between negative-charged Fe and Cl and a ratio S/Fe of ion... Agent: Brinks Hofer Gilson & Lione

20070097549 - Magnetic head assembly having ausn dispersion layer and method of solder bonding: A magnetic head assembly is provided. The magnetic head assembly has electrode pads of a slider that have a magnetoresistive element installed therein and electrode pads of a flexible printed circuit that connect the magnetoresistive element to an external circuit are bonded by solder. In one embodiment, an Au layer... Agent: Brinks Hofer Gilson & Lione

20070097550 - Magnetic head assembly bonding electrode pad of slider and electrode pad of flexible wiring substrate together by solder: A magnetic head assembly is provided. The magnetic head assembly includes a slider in which a head element is mounted. A flexure supports the slider. The flexure includes a pair of outriggers, a connection portion, and a tongue portion. A flexible wiring substrate is fixedly bonded to the surface of... Agent: Brinks Hofer Gilson & Lione

20070097551 - Method and structure for integrated high density memory device: The present invention provides a method and device for fabricating high density memory device. Similar to a Hard Disk Drive (HDD), the integrated memory device is consisted with a rotating media plate and a Read/Write (R/W) head on a movable suspension. Unlike HDD where the media plate is coupled to... Agent: Townsend And Townsend And Crew, LLP

20070097552 - Hard disk drive and flexible printed circuit ribbon thereof: A hard disk drive (HDD) includes at least one data storage disk, a spindle motor to which the disk is mounted for rotating the disk, an actuator including a read/write head and a swing arm for moving the read/write head to a predetermined position on the disk for recording/reproducing data,... Agent: Volentine Francos, & Whitt PLLC

20070097553 - Flex cable frame assembly for micro-actuator and flex cable suspension assembly for hga of disk drive device: A flex cable frame assembly for a head gimbal assembly includes a micro-actuator frame and a flex cable mounted to the micro-actuator frame. The flex cable includes a first set of bonding pads provided to one end of the flex cable, a second set of bonding pads provided to an... Agent: Nixon & Vanderhye, PC

20070097554 - Micro-actuator and head gimbal assembly for a disk drive device: A micro-actuator for a head gimbal assembly includes a metal frame including a bottom support adapted to be connected to a suspension, a top support adapted to support a slider, and a pair of side arms that interconnect the bottom and top supports. The side arms extend vertically from respective... Agent: Nixon & Vanderhye, PC

20070097555 - Spintronic magnetoresistive device, production method thereof and applications of same: The invention relates to the production of magnetic field sensor devices whose operation is based on the phenomenon of ballistic magnetoresistance (BMR). The inventive spintronic magnetoresistive device differs from other existing devices in that the nanocontacts are formed by the inclusion of one or more micro and/or nanometric ferromagnetic particles... Agent: Klauber & Jackson

20070097556 - Conductive pairing for piggyback magnetic head: A magnetic tape head having an array of reader/writer pairs formed on a common substrate, each reader/writer pair being configured in a piggyback configuration such that the writer and reader of each pair are aligned in a direction parallel to a relative direction of media travel thereover. Each reader comprises... Agent: Zilka-kotab, PC

20070097557 - System, method, and apparatus for providing a temporary, deep shunt on wafer structures for electrostatic discharge protection during processing: A method of temporarily protecting an electrically sensitive component from damage due to electrostatic discharge includes defining a shunt having first and second leads electrically connected in parallel with the component and separated by a gap. A portion of a shield layer is deposited to form the shunt between the... Agent: Bracewell & Giuliani LLP

20070097558 - Current-perpendicular-to-the-plane spin-valve (cpp-sv) sensor with current-confining apertures concentrated near the sensing edge: A current-perpendicular-to-the-plane spin-valve (CPP-SV) magnetoresistive sensor has an insulating layer with at least one aperture that confines the flow of sense current through the active region. The apertures are located closer to the sensing edge of the sensor than to the back edge of the sensor. The aperture (or apertures)... Agent: Thomas R. Berthold

20070097559 - Magnetoresistive device having specular sidewall layers: A multilayered magnetoresistive device includes a specular layer positioned on at least one sidewall and a copper layer is positioned between the specular layer and the sidewall.... Agent: Kinney & Lange, P.A.

20070097561 - Magneto-resistive element having a free layer provided with a ternary alloy layer: A magneto-resistive element has a pinned layer, a free layer, and a spacer layer which is sandwiched between the pinned layer and the free layer. The spacer layer is made of copper. The magneto-resistive element is configured such that sense current is applied in a direction that is perpendicular to... Agent: Fitch, Even, Tabin & Flannery

20070097560 - Magnetic layer with grain refining agent: A magnetic sensor includes a magnetic layer comprising magnetic material and a grain refining agent. The magnetic layer having a grain-refined magnetic layer surface. A layer adjacent the magnetic layer has a layer surface that conforms to the grain-refined magnetic layer surface.... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.