Dynamic magnetic information storage or retrieval inventions 10/08

20080259479 - System and methods for copying digital information from a digital media: System and Methods for Copying Digital Information from a Digital Media Various embodiments of the present invention provide systems and methods for copying or ripping digital information contained on one media to another media. In particular, some embodiments of the present invention provide methods and systems for copying digital information... Agent: Hamilton,desanctis & Cha

20080259480 - Glide test and calibration using flying height on demand: A glide head that can be used to certify disks of hard disk drives. The glide head includes a heater that can change the temperature of a slider surface of the head and vary the head flying height. The slider surface may induce the negative pressure so that the glide... Agent: Irell & Manella LLP

20080259481 - Method of using a magnetic sensor: A method of measuring an external magnetic field pointing in a first direction substantially parallel to a surface normal to an at least first magnetoresistive layered structure deposited on a planar substrate, the method comprising: applying the external magnetic field to the planar substrate having at least one structure of... Agent: Zilka-kotab, PC- Ibm

20080259483 - 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

20080259482 - Fabrication of discrete track media for narrow groove and improved reliability: A magnetic media that has at least one groove. The groove is created by a process that includes initially forming a temporary layer over a magnetic layer of the disk. One or more grooves are formed in the temporary and magnetic layers. The temporary layer is removed and a protective... Agent: Irell & Manella LLP

20080259484 - Read channel apparatus for asynchronous sampling and synchronous equalization: A read channel and method using that read channel are disclosed. The read channel comprises an analog to digital converter which asynchronously samples at a fixed rate an analog signal formed by reading a data track, where that data track was written to a data storage medium at a symbol... Agent: Dale F. Regelman Quarles & Brady, LLP

20080259485 - System and method for cleaning a tape drive: A system, a method, and article of manufacture are employed to clean the input/output transducers on tape drives, verified by the tape drives reading alphanumeric information from data tracks and servo tracks of a cleaner tape. An aggressive cleaning frontcoat section of the cleaner tape can be used to provide... Agent: Dale F. Regelman Quarles & Brady, LLP

20080259487 - Media drive, processing method for recording data onto a medium, processing method for data read from a medium, and method for controlling a process for reading data from a medium: Embodiments of the invention control a recovery procedure effectively in accordance with write conditions. In one embodiment, the data to be written into a sector includes not only user data but also recording condition data, which indicates the temperature prevalent during a write. If a data read is not accurately... Agent: Townsend And Townsend And Crew LLP

20080259486 - Methods for enabling functionality in multi-modal data storage systems: A method for enabling different modes on a multi-modal data storage system such as a tape-based data storage system includes enabling a data storage system to operate in at least one of two modes, a first of the modes being different than a second of the modes. In one embodiment,... Agent: Zilka-kotab, PC- Ibm

20080259489 - Apparatus and method for generating a servo pattern: A method of writing a servo pattern to a disk, wherein a servo pattern is generated in a processor. The generated servo pattern is then written to a disk. The servo pattern for a servo sector is preferably generated in a single routine.... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080259488 - Method and apparatus improving prevention of off-track writing in a hard disk drive: Embodiments of the invention include: a hard disk drive using a read track to position for writing to a write track and generating a position error signal (PES) based upon all four servo offset bursts used to disable writing when the PES exceeds a position error threshold; a preamplifier generating... Agent: Gregory Smith & Associates

20080259490 - Magnetic tape driving apparatus: A magnetic tape driving apparatus of the present invention includes a support member for separating a magnetic tape from a magnetic head on at least one of a tape input side and a tape output side of the magnetic head. The support member separates the magnetic tape from the magnetic... Agent: Birch Stewart Kolasch & Birch

20080259491 - Magnetic disk drive: Embodiments of the present invention help to provide a magnetic disk drive that is capable of reducing a time period necessary for positioning a magnetic head when positioning the magnetic head by use of a dual-stage actuator. According to one embodiment, a main control circuit of a magnetic head device... Agent: Townsend And Townsend And Crew LLP

20080259492 - Lapping plate texture for increased control over actual lapping force: A slider lapping texture for implementation in a lapping environment. The slider lapping texture includes a lapping texture structure for utilization in a lapping process performed on a slider. The structure also includes a first surface having a base elevation. The structure further includes a second surface at an elevation... Agent: Hitachi C/o Wagner Blecher LLP

20080259493 - Wire-assisted write device with high thermal reliability: A magnetic device includes a first pole having a first pole tip. A conductor, which is adjacent to an edge of the first pole tip, carries current to generate a second field that augments a first field generated by the first pole. The width of the conductor is in the... Agent: Kinney & Lange, P.A.

20080259494 - Flat profile tape head: A magnetic head according to one embodiment includes a first module having a tape bearing surface; a second module having a tape bearing surface; and a third module having a tape bearing surface, the third module being positioned on an opposite side of the second module than the first module,... Agent: Zilka-kotab, PC- Ibm

20080259495 - Leader tape and magnetic tape cartridge using the same: 1) A leader tape comprising a support having provided on at least one surface thereof a coating layer comprising a powder material and a binder, wherein the center line average roughness (Ra) on at least one surface of the leader tape is from 10 to 60 nm and the friction... Agent: Sughrue Mion, PLLC

20080259496 - Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method: A mechanical transport device includes a system for transport; and a hard disk drive attached to the system. The hard disk drive comprises a magnetic recording disk to record data, a head to read or write the data to or from the disk, and a drop sensor designed to sense... Agent: Zilka-kotab, PC- Hit

20080259497 - Magnetic recording medium, head slider and manufacturing methods therefore: A magnetic recording medium and head slider that can furnish excellent head flying stability, a magnetic recording device having excellent head flying stability, and a method for manufacturing, in a short time, a magnetic recording medium and head slider that can furnish such excellent head flying stability, are provided. For... Agent: Greer, Burns & Crain

20080259500 - Head slider for disk apparatus: A head slider, of a disk apparatus, flying over a rotary magnetic recording disk, having a characteristic less dependent on the atmospheric pressure. The head slider of a disk apparatus comprises: a magnetic element adapted to fly over a magnetic recording medium; a medium opposing surface being formed with, with... Agent: Kratz, Quintos & Hanson, LLP

20080259499 - Head with a transducer overcoat having a trailing air flow dam that is shallowly recessed from an air bearing surface: A head includes a transducer and a slider having an air bearing surface (ABS) and a trailing face. The slider has an overcoat layer that includes the trailing face and that overcoats the transducer. The ABS includes a trailing pad having a major surface adjacent the transducer, with the major... Agent: Western Digital Technologies, Inc. Attn: Lesley Ning

20080259498 - Perpendicular write head with independent trailing shield designs: A magnetic write head having independent trailing and side magnetic shields. The side shields and trailing shields are independently of one another so that they can have throat heights that are different from one another. This advantageously allows the magnetic potential between the write pole and side shields to be... Agent: Zilka-kotab, PC- Hit

20080259501 - Head with an air bearing surface having a shallow recessed trailing air flow dam: A head has a slider with an air bearing surface having a left trailing air flow dam extending from a trailing pad along a lateral axis, and a right trailing air flow dam extending from the trailing pad along the lateral axis in an opposing direction. A sub-ambient pressure cavity... Agent: Western Digital Technologies, Inc. Attn: Lesley Ning

20080259502 - Magnetic head slider: A magnetic head slider has a recess portion recessed with respect to the center rail. The recess portion has a spherical or oval-spherical projection, which includes a read element and a write element disposed in the recess portion. The recess portion may prevent increasing flying height of a slider base... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080259503 - Magnetic disk drive and soldering method of feed-through: Embodiments of the present invention help to achieve a solder joining structure having high reliability, in which even if a componential material of a flange of a feed-through of a sealed magnetic disk drive is an iron-based material such as kovar, and a componential material of a base of the... Agent: Townsend And Townsend And Crew LLP

20080259504 - Shield biasing for mr devices: A magnetic data system according to one embodiment includes a head having a plurality of readers formed above a common substrate, each reader further comprising a shield and a sensor, a bias circuit associated with each reader for passing a bias current through the sensor thereof, wherein the bias circuits... Agent: Zilka-kotab, PC- Ibm

20080259505 - Substrate biasing for mr devices: A magnetic data system according to one embodiment includes at least, one reader formed above a substrate, the at least one reader further comprising a shield and a magnetoresistive (MR) sensor. A first circuit sets a voltage (Vsub) of the substrate to about a voltage (Vshield) of the shield of... Agent: Zilka-kotab, PC- Ibm

20080259506 - Esd, cross talk and noise pickup minimizing scheme for cpp and tmr devices: A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced resistive/capacitative shunt. The shunt includes highly resistive interconnections between upper and lower shields of the read head and... Agent: Saile Ackerman LLC

20080259507 - Tunneling magnetoresistive (tmr) sensor with a co-fe-b free layer having a negative saturation magnetostriction: A tunneling magnetoresistive (TMR) sensor with a free layer made of a Co—Fe—B alloy is disclosed. After annealing at a temperature of less than 300° C., the Co—Fe—B free layer exhibits a negative or zero saturation magnetostriction, λS, while the TMR sensor exhibits superior TMR properties. The Co—Fe—B free layer... Agent: Zilka-kotab, PC- Hit

20080259508 - High speed low power magnetic devices based on current induced spin-momentum transfer: A high speed and low power method to control and switch the magnetization direction and/or helicity of a magnetic region in a magnetic device for memory cells using spin polarized electrical current. The magnetic device comprises a reference magnetic layer with a fixed magnetic helicity and/or magnetization direction and a... Agent: Darby & Darby P.C.

20080259479 - System and methods for copying digital information from a digital media: System and Methods for Copying Digital Information from a Digital Media Various embodiments of the present invention provide systems and methods for copying or ripping digital information contained on one media to another media. In particular, some embodiments of the present invention provide methods and systems for copying digital information... Agent: Hamilton,desanctis & Cha

20080259480 - Glide test and calibration using flying height on demand: A glide head that can be used to certify disks of hard disk drives. The glide head includes a heater that can change the temperature of a slider surface of the head and vary the head flying height. The slider surface may induce the negative pressure so that the glide... Agent: Irell & Manella LLP

20080259481 - Method of using a magnetic sensor: A method of measuring an external magnetic field pointing in a first direction substantially parallel to a surface normal to an at least first magnetoresistive layered structure deposited on a planar substrate, the method comprising: applying the external magnetic field to the planar substrate having at least one structure of... Agent: Zilka-kotab, PC- Ibm

20080259483 - 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

20080259482 - Fabrication of discrete track media for narrow groove and improved reliability: A magnetic media that has at least one groove. The groove is created by a process that includes initially forming a temporary layer over a magnetic layer of the disk. One or more grooves are formed in the temporary and magnetic layers. The temporary layer is removed and a protective... Agent: Irell & Manella LLP

20080259484 - Read channel apparatus for asynchronous sampling and synchronous equalization: A read channel and method using that read channel are disclosed. The read channel comprises an analog to digital converter which asynchronously samples at a fixed rate an analog signal formed by reading a data track, where that data track was written to a data storage medium at a symbol... Agent: Dale F. Regelman Quarles & Brady, LLP

20080259485 - System and method for cleaning a tape drive: A system, a method, and article of manufacture are employed to clean the input/output transducers on tape drives, verified by the tape drives reading alphanumeric information from data tracks and servo tracks of a cleaner tape. An aggressive cleaning frontcoat section of the cleaner tape can be used to provide... Agent: Dale F. Regelman Quarles & Brady, LLP

20080259487 - Media drive, processing method for recording data onto a medium, processing method for data read from a medium, and method for controlling a process for reading data from a medium: Embodiments of the invention control a recovery procedure effectively in accordance with write conditions. In one embodiment, the data to be written into a sector includes not only user data but also recording condition data, which indicates the temperature prevalent during a write. If a data read is not accurately... Agent: Townsend And Townsend And Crew LLP

20080259486 - Methods for enabling functionality in multi-modal data storage systems: A method for enabling different modes on a multi-modal data storage system such as a tape-based data storage system includes enabling a data storage system to operate in at least one of two modes, a first of the modes being different than a second of the modes. In one embodiment,... Agent: Zilka-kotab, PC- Ibm

20080259489 - Apparatus and method for generating a servo pattern: A method of writing a servo pattern to a disk, wherein a servo pattern is generated in a processor. The generated servo pattern is then written to a disk. The servo pattern for a servo sector is preferably generated in a single routine.... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080259488 - Method and apparatus improving prevention of off-track writing in a hard disk drive: Embodiments of the invention include: a hard disk drive using a read track to position for writing to a write track and generating a position error signal (PES) based upon all four servo offset bursts used to disable writing when the PES exceeds a position error threshold; a preamplifier generating... Agent: Gregory Smith & Associates

20080259490 - Magnetic tape driving apparatus: A magnetic tape driving apparatus of the present invention includes a support member for separating a magnetic tape from a magnetic head on at least one of a tape input side and a tape output side of the magnetic head. The support member separates the magnetic tape from the magnetic... Agent: Birch Stewart Kolasch & Birch

20080259491 - Magnetic disk drive: Embodiments of the present invention help to provide a magnetic disk drive that is capable of reducing a time period necessary for positioning a magnetic head when positioning the magnetic head by use of a dual-stage actuator. According to one embodiment, a main control circuit of a magnetic head device... Agent: Townsend And Townsend And Crew LLP

20080259492 - Lapping plate texture for increased control over actual lapping force: A slider lapping texture for implementation in a lapping environment. The slider lapping texture includes a lapping texture structure for utilization in a lapping process performed on a slider. The structure also includes a first surface having a base elevation. The structure further includes a second surface at an elevation... Agent: Hitachi C/o Wagner Blecher LLP

20080259493 - Wire-assisted write device with high thermal reliability: A magnetic device includes a first pole having a first pole tip. A conductor, which is adjacent to an edge of the first pole tip, carries current to generate a second field that augments a first field generated by the first pole. The width of the conductor is in the... Agent: Kinney & Lange, P.A.

20080259494 - Flat profile tape head: A magnetic head according to one embodiment includes a first module having a tape bearing surface; a second module having a tape bearing surface; and a third module having a tape bearing surface, the third module being positioned on an opposite side of the second module than the first module,... Agent: Zilka-kotab, PC- Ibm

20080259495 - Leader tape and magnetic tape cartridge using the same: 1) A leader tape comprising a support having provided on at least one surface thereof a coating layer comprising a powder material and a binder, wherein the center line average roughness (Ra) on at least one surface of the leader tape is from 10 to 60 nm and the friction... Agent: Sughrue Mion, PLLC

20080259496 - Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method: A mechanical transport device includes a system for transport; and a hard disk drive attached to the system. The hard disk drive comprises a magnetic recording disk to record data, a head to read or write the data to or from the disk, and a drop sensor designed to sense... Agent: Zilka-kotab, PC- Hit

20080259497 - Magnetic recording medium, head slider and manufacturing methods therefore: A magnetic recording medium and head slider that can furnish excellent head flying stability, a magnetic recording device having excellent head flying stability, and a method for manufacturing, in a short time, a magnetic recording medium and head slider that can furnish such excellent head flying stability, are provided. For... Agent: Greer, Burns & Crain

20080259500 - Head slider for disk apparatus: A head slider, of a disk apparatus, flying over a rotary magnetic recording disk, having a characteristic less dependent on the atmospheric pressure. The head slider of a disk apparatus comprises: a magnetic element adapted to fly over a magnetic recording medium; a medium opposing surface being formed with, with... Agent: Kratz, Quintos & Hanson, LLP

20080259499 - Head with a transducer overcoat having a trailing air flow dam that is shallowly recessed from an air bearing surface: A head includes a transducer and a slider having an air bearing surface (ABS) and a trailing face. The slider has an overcoat layer that includes the trailing face and that overcoats the transducer. The ABS includes a trailing pad having a major surface adjacent the transducer, with the major... Agent: Western Digital Technologies, Inc. Attn: Lesley Ning

20080259498 - Perpendicular write head with independent trailing shield designs: A magnetic write head having independent trailing and side magnetic shields. The side shields and trailing shields are independently of one another so that they can have throat heights that are different from one another. This advantageously allows the magnetic potential between the write pole and side shields to be... Agent: Zilka-kotab, PC- Hit

20080259501 - Head with an air bearing surface having a shallow recessed trailing air flow dam: A head has a slider with an air bearing surface having a left trailing air flow dam extending from a trailing pad along a lateral axis, and a right trailing air flow dam extending from the trailing pad along the lateral axis in an opposing direction. A sub-ambient pressure cavity... Agent: Western Digital Technologies, Inc. Attn: Lesley Ning

20080259502 - Magnetic head slider: A magnetic head slider has a recess portion recessed with respect to the center rail. The recess portion has a spherical or oval-spherical projection, which includes a read element and a write element disposed in the recess portion. The recess portion may prevent increasing flying height of a slider base... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080259503 - Magnetic disk drive and soldering method of feed-through: Embodiments of the present invention help to achieve a solder joining structure having high reliability, in which even if a componential material of a flange of a feed-through of a sealed magnetic disk drive is an iron-based material such as kovar, and a componential material of a base of the... Agent: Townsend And Townsend And Crew LLP

20080259504 - Shield biasing for mr devices: A magnetic data system according to one embodiment includes a head having a plurality of readers formed above a common substrate, each reader further comprising a shield and a sensor, a bias circuit associated with each reader for passing a bias current through the sensor thereof, wherein the bias circuits... Agent: Zilka-kotab, PC- Ibm

20080259505 - Substrate biasing for mr devices: A magnetic data system according to one embodiment includes at least, one reader formed above a substrate, the at least one reader further comprising a shield and a magnetoresistive (MR) sensor. A first circuit sets a voltage (Vsub) of the substrate to about a voltage (Vshield) of the shield of... Agent: Zilka-kotab, PC- Ibm

20080259506 - Esd, cross talk and noise pickup minimizing scheme for cpp and tmr devices: A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced resistive/capacitative shunt. The shunt includes highly resistive interconnections between upper and lower shields of the read head and... Agent: Saile Ackerman LLC

20080259507 - Tunneling magnetoresistive (tmr) sensor with a co-fe-b free layer having a negative saturation magnetostriction: A tunneling magnetoresistive (TMR) sensor with a free layer made of a Co—Fe—B alloy is disclosed. After annealing at a temperature of less than 300° C., the Co—Fe—B free layer exhibits a negative or zero saturation magnetostriction, λS, while the TMR sensor exhibits superior TMR properties. The Co—Fe—B free layer... Agent: Zilka-kotab, PC- Hit

20080259508 - High speed low power magnetic devices based on current induced spin-momentum transfer: A high speed and low power method to control and switch the magnetization direction and/or helicity of a magnetic region in a magnetic device for memory cells using spin polarized electrical current. The magnetic device comprises a reference magnetic layer with a fixed magnetic helicity and/or magnetization direction and a... Agent: Darby & Darby P.C.

20080253011 - Signal processing device and signal processing method: A signal processing apparatus for processing a signal by a PRML method is provided with an A/D converter (4) for converting an analog signal into a digital signal; a first waveform equalizer (14) which is connected to the A/D converter (4), and amplifies a specific band of a signal to... Agent: Steptoe & Johnson LLP

20080253012 - Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a prml viterbi detector: Magnetic tape read channel signal values are developed employing intermediate bits of the path memory of a PRML Viterbi detector. Identification logic identifies a most likely path memory state of the PRML Viterbi detector from the path metrics of the PRML Viterbi detector. An intermediate bit sequence of the identified... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.

20080253013 - Method of reading from and writing to a storage disk, and storage disk control unit: A storage disk control unit is provided with a buffer management table that defines correspondence between the sectors of a storage disk and the buffer spaces of the storage disk control unit. Based on the buffer management table, common buffer spaces to be shared by a multiplicity of sectors and... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP

20080253014 - Magnetic disk controller and method: Among other disclosed subject matter, a magnetic disk controller can include an index detecting unit to detect an index of the magnetic disk, an error check code generating unit to, after the index detecting unit detects the index, generate a first error check code for first write data based on... Agent: Fish & Richardson P.C.

20080253017 - Apparatus for recording or retrieving data on magnetic tape: A magnetic tape drive includes a magnetic head configured to read or write data on a magnetic tape, a transport unit configured to drive the magnetic tape past the magnetic head, a speed detector configured to obtain speed information related to a transport speed of the magnetic tape, a vibrator... Agent: Sughrue Mion, PLLC

20080253016 - For digital information adapted memory arrangement: The present invention refers to a digital information adapted memory arrangement, where said arrangement includes hard disc means and one or more writing and/or reading heads, said hard disc means (1) is caused to rotate by using a driving device. Said head or heads (2. 2a) are arranged to a... Agent: Dykema Gossett PLLC

20080253015 - System and method for detecting shakes and percussive impacts and for protecting portable electronic devices when pre-specified shake patterns and percussive impact levels are detected: A system and method detects low grade physical motions of an electronic device, such as a laptop computer, and takes protective measures if the physical motions match a pre-specified physical motion pattern. The pre-specified physical motion pattern may have been selected as a pattern which, if left alone, could cause... Agent: Hoffman Warnick LLC

20080253018 - Method for determining read/write head position based on phase detection of a servo pattern: A method determines RW head radial position relative to tracks within a magnetic data disc. This involves sensing both a S-burst signal and a P-burst signal with the RW head. The S-burst signal and P-burst signal are associated with a two-burst servo pattern on the magnetic disc. The S-burst pattern... Agent: Garlick Harrison & Markison

20080253019 - Magnetic medium stack assembly for a data storage and retrieval system: A magnetic medium stack assembly includes a hub, a magnetic medium, and a clamp fixing the magnetic medium to the hub. The hub and clamp include engaging flange members that enable the hub and clamp to lock together without the use of external hardware or an adhesive. The clamp applies... Agent: Shumaker & Sieffert, P.A.

20080253020 - Read/write tip, head and device, and use thereof, and method for manufacturing same: The invention concerns a reading/writing tip configured in the shape of a needle consisting of a core of refractory material covered with a coating of electrically conductive material, and having an outer microscope needle geometry by tunnel effect, to obtain an information concerning a surface through tunnel-effect microscopy The needle... Agent: Miller, Matthias & Hull

20080253022 - Magnetic write transducer: A magnetic write transducer includes a yoke having a lower pole portion, an upper pole portion, and a First bobbin portion; a first coil turn wrapped around the first bobbin portion of the yoke in a first plane; a second coil turn wrapped around the first bobbin portion of the... Agent: Zilka-kotab, PC- Ibm

20080253021 - Non-magnetic contact enhancement feature: A transducer having an external contact surface includes a writer and a contact member. The writer has a portion extendable beyond the external contact surface. The contact member surrounds at least a portion of the extendable writer portion.... Agent: Kinney & Lange, P.A.

20080253023 - Composite single structured hard disk drive: A composite single structured hard disk drive, comprising: a machine casing having a power port and two signal I/O (input/output) ports at an outer surface thereof; an interior of the machine casing having a driving unit which is electrically connected to the power port; the driving unit being able to... Agent: Li-yun Lee

20080253024 - Magnetic head and manufacturing method thereof: A recording element supported by a slider includes a non-magnetic film and a magnetic pole film. The non-magnetic film has a depression whose inner surface is provided with an amorphous electrode film used as a plating seed film. Above the electrode film, the magnetic pole film is grown by plating.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080253025 - Method and apparatus for providing an additional ground pad and electric al connection for grounding a magnetic recording head: Method and apparatus are presented for electrically coupling a slider to ground. In one embodiment, a bonding pad is provided on a side of the slider body separate from the bonding pad(s) used for read/write signals. This separate bonding pad is electrically coupled within the slider body to components that... Agent: Kenyon & Kenyon LLP

20080253026 - Method to protect the magnetic recording head from thermal asperities during disk drive operation: A slider mounted read/write head is protected from thermal asperities due to head-disk interactions by a ridge formed along an interfacial plane that extends above the ABS plane of the slider. The ridge is formed as part of a lapping process that is directed from the read/write head towards the... Agent: Stephen B. Ackerman

20080253027 - Magnetic head, head assembly and magnetic recording / reproducing apparatus: The present invention relates to a perpendicular recording magnetic head. A perpendicular recording element includes a main magnetic pole film for emitting a perpendicular magnetic field and is supported by a slider. The main magnetic pole film includes an electrode film and a plated film, the electrode film is an... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080253028 - System and apparatus for vibration damping of integrated lead suspensions in high density magnetic storage devices: An integrated lead suspension (ILS) has a constrained layer damper (CLD) that attenuates vibration of the ILS. The CLD may be applied over an already assembled ILS such that the CLD is applied to the cover layer, to the base layer, or to both. Alternatively, the ILS may be encapsulated... Agent: Bracewell & Giuliani LLP

20080253029 - Magnetically preloaded linear guide for a transducer: A transducer for a digital storage apparatus that reads and writes data to a tape as the tape is moved in a tape drive path across the transducer. The transducer comprises a base and a head assembly that is attached to the base and movable relative to the base in... Agent: Brooks Kushman P.C. / Sun / Stk

20080253030 - Rotational based actuator configured to impart linear movement: A rotational based actuator configured to impart linear movement. The actuator may be suitable for use in any number of applications where a disk or other feature may be rotated over a wedge to impart linear movement. The forces used to generate the rotation movement may be imparted by the... Agent: Brooks Kushman P.C. / Lear Corporation

20080253031 - Magnetically preloaded anti-rotation guide for a transducer: A transducer positioning apparatus is provided that supports a read/write head on a data storage machine and biases the head against rotation. The transducer positioning apparatus may comprise a base that includes a linear drive motor and a support frame to which the read/write head is secured. The support frame... Agent: Brooks Kushman P.C. / Sun / Stk

20080253032 - Thin film magnetic head, head gimbal assembly, head arm assembly, magnetic disk device and method of forming thin film magnetic head: A thin film magnetic head is provided, in which thermal protrusion can be suppressed. The thin film magnetic head includes a main magnetic pole layer which conducts a magnetic flux into the recording medium so that the recording medium is magnetized in a direction perpendicular to a surface of the... Agent: Oliff & Berridge, PLC

20080253033 - Thin-film magnetic head having electric lapping guide and method of making the same: The magnetic head in accordance with the present invention is a magnetic head comprising a slider substrate and a magnetic head part provided on the slider substrate; wherein the magnetic head part comprises, seeing from a medium-opposing surface side, a magnetism detecting element; an upper magnetic shield layer arranged on... Agent: Oliff & Berridge, PLC

20080253034 - Perpendicular magnetic write head, method of manufacturing the same, and magnetic write system: The present invention is directed to providing a perpendicular magnetic write head which can suppress unintended erasure of information written on a write medium at a non-writing time by optimizing a magnetic domain structure of main component elements that are engaged in writing operation. In the perpendicular magnetic write head,... Agent: Oliff & Berridge, PLC

20080253035 - Self-aligned full side shield pmr and method to make it: A process for forming the write pole of a PMR head is described. This write pole is symmetrically located relative to its side shields, This is accomplished, not through optical alignment, but by coating the pole with a uniform layer of non-magnetic material of a predetermined and precise thickness, followed... Agent: Stephen B. Ackerman

20080253036 - Thin-film magnetic head and manufacturing method thereof: A thin-film magnetic head includes a lower magnetic shield layer, an MR multi-layered structure formed on the lower magnetic shield layer so that current flows in a direction perpendicular to surfaces of laminated layers, and an upper magnetic shield layer formed on the MR multi-layered structure. The lower magnetic shield... Agent: Frommer Lawrence & Haug

20080253037 - Thin-film magnetic head and manufacturing method thereof: A thin-film magnetic head includes a lower magnetic shield layer, an MR multi-layered structure formed on the lower magnetic shield layer so that current flows in a direction perpendicular to surfaces of laminated layers, an insulation layer formed to surround the MR multi-layered structure, an additional metal layer laminated on... Agent: Frommer Lawrence & Haug

20080253039 - Magnetoresistive effect element: A magnetoresistive effect element includes a first ferromagnetic layer formed above a substrate, a second ferromagnetic layer formed above the first ferromagnetic layer, an insulating layer interposed between the first ferromagnetic layer and the second ferromagnetic layer and formed of a metal oxide, and a first nonmagnetic metal layer interposed... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080253038 - Tunneling magnetic sensor including free magnetic layer and magnesium protective layer disposed thereon and method for manufacturing tunneling magnetoresistive sensor: A tunneling magnetic sensor includes a pinned magnetic layer of which the magnetization is pinned in one direction, an insulating barrier layer, and a free magnetic layer of which the magnetization is varied by an external magnetic field, these layers being arranged in that order from the bottom. A first... Agent: Brinks Hofer Gilson & Lione

20080247073 - Disk drive apparatus and method of adaptively controlling flying height of magnetic head therein: An apparatus and method of adaptively controlling a flying height of a magnetic head above a disk in accordance with a change in a user environment of a disk drive apparatus includes determining if a parameter reset condition related to the flying height of the magnetic head has been set;... Agent: Stanzione & Kim, LLP

20080247072 - Magnetic tunnel junction magnetic memory:

20080247074 - Fiber brush for cable-less accessors in a tape library: A tape library system includes a plurality of conductive track assemblies including at least one linear conductive strip, and at least one guide track. The system further includes a first fiber brush assembly and a second fiber brush assembly separated from each other by a predetermined separation distance, each of... Agent: Konrad Raynes & Victor, LLP. Attn: Ibm37

20080247075 - Device and method for recording information: A device for recording information records a real-time data stream (51) in blocks having contiguous logical addresses (LA0-LA5) on a record carrier at corresponding physical addresses (PA0-PA8). The device has allocation means for allocating physical addresses to logical addresses, the allocation including at least one logically contiguous range of blocks... Agent: Philips Intellectual Property & Standards

20080247076 - Tape tension sensor: A tension sensor within a tape drive for measuring tension of a magnetic tape medium is provided. The tension sensor comprises a guide pin connected to a top plate for guiding the magnetic tape medium; at least two flexure structures connected to the top plate and a base such that... Agent: Morrison & Foerster LLP

20080247077 - Apparatus, system, and method for optimizing fast access data storage on segmented tape media: An apparatus, system, and method are disclosed for optimizing fast access data storage on segmented tape media. The apparatus, in one embodiment, is configured to selectively write data to a tape storage medium. The selection module may select data for storage as one of fast access and slower access. Fast... Agent: International Business Machines Corporation

20080247078 - Altitude sensing systems and methods for fly height adjustment: Altitude sensing systems and/or methods for fly height adjustment in disk drive devices are provided. In certain example embodiments, a PZT-type pressure and/or altitude sensor may be located on the side of the disk drive proximate to the disk edge. When the disk rotates, the air flow generated by the... Agent: Nixon & Vanderhye, PC

20080247079 - Disk drive and control method thereof: Embodiments in accordance with the present invention reduce the number of errors caused by the aged deterioration of a heater for adjusting the clearance between a head and a disk. According to one embodiment, a thermal fly height control (TFC) controller executes the measurement of a resistance value of a... Agent: Townsend And Townsend And Crew LLP

20080247080 - Hard disk drive having improved head stability at low temperature and method of applying current to a head of the hard disk drive: A hard disc drive (HDD) that has improved head stability at low temperatures and a method of supplying current to a head of the HDD. The HDD includes a disc, a tunneling magneto resistance (TuMR) head to read data recorded on the disc having a heating coil, and a current... Agent: Stanzione & Kim, LLP

20080247081 - Flex cable assembly for vibration reduction in hdd applications: A hard disk drive flex cable assembly conveys data between a connector to a host system and a head stack assembly. It comprises a flex cable which in part has a first end for coupling to the connector, and a second end for coupling to the head stack assembly; and... Agent: Hitachi C/o Wagner Blecher LLP

20080247082 - Hermetically sealed disk drive assembly: A method for forming a seal for hermetically sealing a hard disk drive assembly. The method includes forming a solder channel within a top cover of a disk drive enclosure and disposing a solder preform on a base of the disk drive enclosure such that the solder preform aligns with... Agent: Hitachi C/o Wagner Blecher LLP

20080247084 - Disk device, shutter control device, and computer program for shutter opening/closing control: To assuredly determine whether a shutter pinches a disk in a disk device including a shutter at a disk insertion slot. A shutter control device 10 includes a pinch determining unit 14 that determines whether the disk is pinched by the shutter based on a position of the shutter during... Agent: Foley And Lardner LLP Suite 500

20080247083 - Multi-stage disk-feeding apparatus for information storage disks: A disk-feeding apparatus includes a base, two or more than two disk-feeding devices and an intermediate conveyer associated with the disk-feeding devices. The disk-feeding devices are mounted on the base and hold respectively stacks of disks. An intermediate conveyer is mounted between each pair of adjacent disk-feeding devices to convey... Agent: Pai Patent & Trademark Law Firm

20080247085 - Ferroelectric hard disk system: A ferroelectric hard disk device is provided and includes: a ferroelectric media having a bottom electrode and a ferroelectric layer disposed on the bottom electrode; and a head formed above the ferroelectric media, the head being operative to write and reproduce information on the ferroelectric layer.... Agent: Sughrue Mion, PLLC

20080247087 - Magnetic head for perpendicular magnetic recording and method of manufacturing same, the magnetic head incuding pole layer and two shields sandwiching the pole layer: A magnetic head incorporates: a medium facing surface; a coil; a pole layer; first and second shields disposed to sandwich the pole layer therebetween; a first gap layer disposed between the first shield and the pole layer; a second gap layer disposed between the second shield and the pole layer;... Agent: Oliff & Berridge, PLC

20080247086 - Method for forming interleaved coils with damascene plating: A method of forming interleaved coils of a write head is disclosed using a combination of non-damascene and damascene processes.... Agent: Law Offices Of Imam

20080247088 - Micro-actuator having at least one segmented flexible side arm, and method of making the same: Certain example embodiments described herein relate to a micro-actuator for use with an HGA and/or disk drive device. A substantially U-shaped frame may include a cavity capable of receiving a slider. The frame may include two segmented, flexible side arms and a bottom support arm at least partially defining the... Agent: Nixon & Vanderhye, PC

20080247089 - Slider designed to reduce fly height sigma: Embodiments of the present invention pertain to a slider designed to reduce fly height sigma. According to one embodiment, a slider includes an air bearing surface, a front shallow step pad, a rear shallow step pad, and rear side pockets. The front shallow step pad and the rear shallow step... Agent: Hitachi C/o Wagner Blecher LLP

20080247090 - Slider designed to reduce fly height sigma: The present invention provides a head holding member and a head holding method of a head actuator having a very high impact resisting property by a simple construction, and a disk device using the head holding member and the head holding method. Concretely, a head support arm has a leaf... Agent: Wenderoth, Lind & Ponack L.L.P.

20080247091 - Stand-alone quasi-static tester: A quasi-static tester is disclosed. The quasi static tester comprises: a mount configured to fix a head gimbal assembly in a given position; a camera configured to observe the head gimbal assembly when the head gimbal assembly is fixed in the mount, wherein the camera is used to position the... Agent: Foley & Lardner LLP

20080247092 - Storage disk driving apparatus for driving a storage disk and a case therefor: A storage disk driving apparatus for driving a storage disk includes a carriage holding a head slider at the tip of the carriage. A shroud surface is disposed upstream of an air flow generated by the rotation of the storage disk with respect to the carriage, such that a plane... Agent: Greer, Burns & Crain

20080247093 - Suspension for disc drive: A suspension for a disc drive includes a base plate, a load beam, and a flexure. The flexure includes a metal base member and a circuit member disposed along the metal base member. The circuit member extends along the load beam. The circuit member includes a resin base member formed... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080247094 - Flex cable assembly for robust right angle interconnect: A hard disk drive flex cable assembly, for conveying data between a connector to a host system and a head stack assembly, comprises a flex cable, which in part has a first end for coupling to the connector, and a second end for coupling to the head stack assembly; and... Agent: Hitachi C/o Wagner Blecher LLP

20080247095 - Method and apparatus for temperature sensing in a hard disk drive: A slider comprising a platinum layer including a first end and a second end, where slider temperature may be estimated based upon the platinum layer resistance. A head gimbal assembly including the slider. A head stack assembly including the head gimbal assembly. A preamplifier including an analog to digital converter... Agent: Gregory Smith & Associates

20080247097 - 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

20080247096 - Magnetic memory and method for manufacturing the same: A magnetic memory including a stack, a first writing wire, and a second writing wire is provided. The stack includes a magnetic pinned layer, a tunnel barrier insulating layer, and a magnetic free layer, so as to form a magnetic tunnel junction (MTJ). The MTJ has an easy axis. The... Agent: J C Patents, Inc.

20080247098 - Stressed magnetoresistive tamper detection devices: A tamper sensing system mounted with respect to a protected structure so as to have corresponding stress changes occur therein in response to selected kinds of tamperings with said protected structure comprising a first pair of stress affected magnetoresistive memory devices each capable of having a magnetic material layer therein... Agent: Kinney & Lange, P.A.

20080239533 - Method of magnetic transfer and magnetic recording medium: The present invention provides a method of magnetic transfer comprising: an initial magnetization step of performing an initial magnetization by applying a DC magnetic field perpendicular to a disk shaped perpendicular magnetic recording medium which is formed by laminating a soft magnetic layer and a magnetic layer on a substrate;... Agent: Sughrue Mion, PLLC

20080239534 - Encryption methods for patterned media watermarking: Watermarks for patterned magnetic media. The watermarks are used to demonstrate the unauthorized replication of a patterned magnetic media. The watermarks include a dibit, a pattern in an open region, shifting of data, shifting of a sync mark and large length scale perturbations. Also described are methods to determine if... Agent: Hitachi Global Storage Technologies, Inc.

20080239535 - Certifying while servowriting media: Certifying a media while servowriting the media by formatting a full compliment of servo data in storage tracks of the media in a minimum number of passes per storage track while simultaneously performing a 100% media certification of the storage tracks during the minimum number of passes per storage track.... Agent: Mccarthy Law Group

20080239537 - Disk recorder management apparatus and disk recorder management method: According to one embodiment, a disk recorder management apparatus includes: a connection part to which a disk recorder is connected; an initial connection judging unit judging whether or not the disk recorder is connected to the connection part for the first time; and a recording control unit making the disk... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080239536 - Method and apparatus for detecting defects of servo data in a disk drive: According to one embodiment, in a disk drive having a disk medium that has a plurality of sectors, in each of which servo data containing a servo-burst patterns is recorded, a CPU calculates the reliability value of a sector to be evaluated, from a ratio of the sum of the... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080239539 - Method and apparatus for three-dimensional measurements: An apparatus and method for measuring the physical quantities of a data center during operation and method for servicing large-scale computing systems is disclosed. The apparatus includes a cart that supports a plurality of sensors. The cart is moveable within the data center. The sensors capture temperature or other physical... Agent: Fleit Gibbons Gutman Bongini & Bianco P.l.

20080239538 - Method of examining aperture diameter of disk substrate having circular aperture in central portion thereof and apparatus thereof: The present invention relates to a method of examining an aperture diameter of a disk substrate having a circular aperture in the central portion thereof, the method including: attempting to pass a standard sphere for the aperture diameter through the aperture; and inspecting the aperture diameter of the disk substrate,... Agent: Sughrue Mion, PLLC

20080239540 - Media servowriter/certifier: Certifying a storage media while servowriting the media by formatting a full compliment of servo data in storage tracks of the media in a minimum number of passes per storage track while simultaneously performing a 100% media certification of the storage tracks during the minimum number of passes per storage... Agent: Mccarthy Law Group

20080239542 - Magnetic recording head and magnetic recording method: A magnetic recording head includes: a main magnetic pole containing a ferromagnetic layer; a main magnetic pole-magnetization fixing portion containing an antiferromagnetic layer in contact with at least one side surface of the main magnetic pole; a heater for heating at least the main magnetic pole so that a magnetic... Agent: Nixon & Vanderhye, PC

20080239541 - Thermally assisted magnetic head, head gimbal assembly, and hard disk drive: The thermally assisted magnetic head comprises a medium-opposing surface; a magnetic recording device whose distance from a main magnetic pole to a medium is set longer than a distance from the medium-opposing surface to the medium; a first core for receiving light; and a second core positioned between a first... Agent: Oliff & Berridge, PLC

20080239543 - Methods and apparatus for generating a hard drive write signal: Methods and apparatus for generating a hard drive write signal are here in disclosed. A disclosed method comprises generating a hard drive write signal on an output of a switch based on an edge of the first control signal and reducing the hard drive write signal based on an edge... Agent: Texas Instruments Incorporated

20080239544 - Intelligent tape drive assembly that diagnoses and repairs its own tape drives: A tape drive assembly (20) for the transmission of data relative to a magnetic storage tape (278) includes a tape head (260), a cartridge receiver (268) and a controller (44). The cartridge receiver (268) selectively receives a cartridge (54) having a lapping tape (478) that laps the tape head (260).... Agent: James P. Broder Roeder & Broder LLP

20080239545 - System and method to avoid disk lube pooling: A system and method to avoid disk lube pooling is presented. A track access monitor tracks the number of times that a program accesses a particular track located on a hard drive. When the track access monitor determines that the number of track accesses to a particular track exceed a... Agent: Lenovo - Jvl C/o Vanleeuwen & Vanleeuwen

20080239546 - Disk drive apparatus having shock adaptive filters: According to one embodiment, a disk drive apparatus includes a sensor to detect mechanical shocks to the disk drive apparatus and to provide a shock output signal representative of such mechanical shocks, a first filter coupled to the sensor to filter the shock output signal to pass signals having a... Agent: Schwegman, Lundberg & Woessner, P.A.

20080239549 - Algorithm decoupling altitude effect from temperature/humidity sensor: A hard disk drive that calculates an environmental condition, such as altitude, without a sensor. The disk drive includes a temperature sensor that senses a disk drive temperature and a humidity sensor that senses drive humidity. A controller of the disk drive determines whether a variation in a flying height... Agent: Irell & Manella LLP

20080239547 - Disk drive apparatus, electronic circuit for disk drive apparatus and powering method therefor: According to one embodiment, a disk drive apparatus includes a disk having a plurality of tracks formed of approximately concentric patterns, a head slider reading and writing data from and to the disk, a motor driver configured to move the head slider to a target position on the disk, an... Agent: Schwegman, Lundberg & Woessner/toshiba

20080239550 - Head slider, magnetic storage device and control circuit, having cleaning mechanism: The present invention relates to a head slider used for a magnetic storage device. In accordance with an aspect of the present invention, a head slider having an air bearing surface comprising, a heater element disposed at the air bearing surface, and at least one groove formed in an end... Agent: Greer, Burns & Crain

20080239552 - Information processing apparatus: According to one embodiment, an information processing apparatus includes a disk-shaped recording medium, a drive section which rotates the recording medium, a head which records and reproduces information to and from the recording medium, a nonvolatile main memory which stores data in the recording medium, a memory mounting section in... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080239548 - Multiple sector reassign on write error for disk drive: A disk drive includes a disk for storing information representing data, and a memory device. A method for writing includes locating a first data sector on a disk where a write operation fails, identifying the first data sector and a plurality of other data sectors near the first data sector... Agent: Schwegman, Lundberg & Woessner/toshiba

20080239551 - Storage device and storage device controller: A storage device has a head that floats over a rotating storage medium. The storage device includes a measuring unit that measures the operating time and a head slider having a head element. The head element includes a reading element, a writing element and a heater, and a control unit... Agent: Greer, Burns & Crain

20080239553 - Storage apparatus and head position demodulating apparatus: A servo pattern demodulating system for a storage apparatus includes a processing unit which calculates an outer product and an inner product of first and second vector information items read from a servo pattern recorded on a recording medium. The processing unit calculates a tangent value of an angular difference... Agent: Greer, Burns & Crain

20080239554 - Disk drive device and method for production thereof: Embodiments of the present invention provide a magnetic disk device and a method for production thereof, the magnetic disk device being characterized in that the magnetic disk therein permits a plurality of tracks thereon to record correction data when necessary without decreasing its storage capacity. According to one embodiment, the... Agent: Townsend And Townsend And Crew LLP

20080239556 - Linearizing position error signal using spiral servo information: A method for determining a position error signal in a disk drive includes writing a servo signal that has a variable offset from a track center for a plurality of concentric tracks in a servo wedge on a disk surface, forming a spiral servo track, observing the offset values for... Agent: Schwegman, Lundberg & Woessner, P.A.

20080239558 - Methods and apparatus for duration control of hard drive write signals: Methods and apparatus for controlling the duration of a pulse in a hard drive write system are disclosed. A disclosed method comprises generating a current pulse, reducing the current of the pulse and conveying a portion of the current pulse to a hard drive write system. In addition, a method... Agent: Texas Instruments Incorporated

20080239557 - Multi-directional self servo-writing for a disk drive: A method of self servo-writing servo information to a plurality of disk surfaces in a disk drive that includes writing servo information to a plurality of disk surfaces in a first direction, writing servo information to a plurality of disk surfaces in a second direction, and determining an amount of... Agent: Schwegman, Lundberg & Woessner, P.A.

20080239555 - Multi-quadrant wedge offset reduction field values for disk drive servo: A method for servo correction includes determining a first wedge offset reduction field value for a read element from information in a servo burst area of a wedge on a disk, storing the first wedge offset reduction field value, determining a second wedge offset reduction field value for the read... Agent: Schwegman, Lundberg & Woessner/toshiba

20080239559 - Servo writing and decoding position error signal for linear tape drives: The present invention, in particular embodiments, is directed to methods, apparatuses and systems that facilitate recording of servo signals on a recording medium such as magnetic tape with high accuracy. Variation of inter-frame and intra-frame placement is substantially reduced by writing successive frames or sub-frames based on a detection of... Agent: Law Office Of Mark J. Spolyar

20080239560 - Magnetic device and method of controlling magnetic device: According to an aspect of an embodiment, a magnetic device comprises a head for writing data into or reading data from a medium, the head having an actuator for changing a flying height of the head over the medium, a storage for storing characteristic information of areas of the medium... Agent: Greer, Burns & Crain

20080239561 - Data library device: Magazine insertion is detected and suction of the magazine toward the deep end of a data library device casing is started. An identification code recorded on a recording medium cassette contained in the magazine is read at the timing when the cassette passes a read area of a read device... Agent: Steptoe & Johnson LLP

20080239562 - Impact buffer, impact buffering device, and information processor having impact buffering device: An impact buffer having a high buffering effect includes two or more impact buffering members with different hardness, contacted with at least one surface of a side surface part of an HDD unit positioned orthogonally to the rotation surface of a magnetic disk of the HDD unit, supports the HDD... Agent: Pearne & Gordon LLP

20080239564 - Method and apparatus for controlling the temperature of a disk drive during manufacture: An apparatus for controlling the temperature of a disk drive during manufacture of the disk drive has a cell having a mounting arrangement to which a disk drive can be mounted and having walls defining a volume in which the disk drive is received when mounted to the mounting arrangement... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080239563 - Methods and apparatus for temperature compensation for hard disk drive write overshoot current: Methods and apparatus for temperature compensation for hard disk drive writer overshoot current are disclosed. A disclosed system comprises creating a first delay based on the temperature of the hard disk drive, creating a second delay based on the temperature of the hard disk drive, and creating a pulse based... Agent: Texas Instruments Incorporated

20080239566 - Electromagnetic data storage devices: A magnetic recording and reading device, free from coil windings, includes a naturally magnetic material that defines a pair of opposite magnetic poles and defines a magnetic field. A conductor in operable association with an integrated circuit array provided at each of the magnetic poles controls direction and flow of... Agent: Olson & Cepuritis, Ltd.

20080239565 - Servo pattern recording device: A servo pattern recording device capable of improving the recording accuracy of a servo pattern. The servo pattern recording device is comprised of a magnetic head that records a servo pattern for tracking servo on a magnetic tape, a first motor that feeds the magnetic tape, a second motor that... Agent: Greenblum & Bernstein, P.L.C

20080239567 - Magnetic head for perpendicular magnetic recording and method of manufacturing same: A pole layer has a track width defining portion and a wide portion. The pole layer has: first and second side surfaces located opposite to each other in a first region extending from a medium facing surface to a position at a distance of 10 to 300 nm from the... Agent: Oliff & Berridge, PLC

20080239568 - Perpendicular magnetic recording head and manufacturing method thereof: A perpendicular magnetic recording head includes a main magnetic pole layer and a return yoke layer laminated on the main magnetic pole layer with a magnetic gap layer disposed in an opposing surface opposite a recording medium. Further included is a resist layer having a front end surface at a... Agent: Brinks Hofer Gilson & Lione

20080239569 - Perpendicular magnetic recording head: A perpendicular magnetic recording head includes a main magnetic pole layer and an auxiliary yoke layer that overlaps the main magnetic pole layer as viewed in a top view and is magnetically coupled to the main magnetic pole layer. The main magnetic pole layer includes a pole straight part exposed... Agent: Brinks Hofer Gilson & Lione

20080239570 - Spindle motor and disk-shaped medium recording and reproducing device: A spindle motor can suppress the generation of noise during swinging and the extend service life, and also suppress the increase in current consumption. The outside diameter Do of a thrust hydrodynamic groove 3 is at least 10% of the outside diameter Dd of a disk-shaped medium 20, and the... Agent: Wenderoth, Lind & Ponack L.L.P.

20080239571 - Integrated silicon micro-actuator slider: An integrated microactuator slider. The microactuator includes a substrate having a fixed portion and a moveable portion. The microactuator also includes a slider communicatively integrated within the moveable portion of the substrate. The slider includes a read/write head for reading data from or writing data to a data storage device.... Agent: Hitachi C/o Wagner Blecher LLP

20080239572 - Suspension with bi-layer flexure base: A flexure with improved temperature sensitivity is disclosed. An embodiment of the present invention includes a bi-layered flexure that raises or lowers a read/write element a distance that is approximately equal to the distance of protrusion and retraction at varying temperatures.... Agent: Kenyon & Kenyon LLP

20080239575 - Air bearing slider-disk interface for single-sided recording on a metal foil disk: A slider assembly for supporting a recording element in operative relation to a flexible moving recording medium is disclosed. The slider may have a face including air bearing surfaces positioned toward the recording medium. A recording element may be in an air bearing surface near the trailing edge of the... Agent: Townsend And Townsend And Crew, LLP

20080239573 - Head slider, head support unit and disk drive apparatus: A head slider which has a head part and which performs at least one of recording and reproducing by the head part in a state in which the head slider floats over a recording medium, which including: a first air bearing part which is disposed on an air inflow end... Agent: Ratnerprestia

20080239574 - System and apparatus for providing streamlined contour and reduced axial flow at the actuator attachment interface between a flexible cable and flexure: An airflow diverter is used to overcome the adverse effect of flow-induced vibration of a disk drive pivot actuator. The diverter may be formed as a separate component or as an integral portion of the flex stiffener or the actuator itself. The invention streamlines the actuator to the incoming airflow... Agent: Bracewell & Giuliani LLP

20080239576 - Suspension for disc drive: A suspension for disc drive includes a base plate, a load beam, and a flexure. The flexure includes a metal base member and a circuit member disposed along the metal base member. The circuit member extends in a longitudinal direction of the load beam. The circuit member includes a resin... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080239577 - Balanced hga for improved seeking performance: In a balanced head gimbal assembly for improved seeking performance, a slider having a magnetic head with a set of read elements to read data and a set of write elements to write data, an air-bearing surface, and a non-air-bearing surface is coupled to a suspension. The suspension includes a... Agent: Kenyon & Kenyon LLP

20080239578 - Balanced hga for improved seeking performance: Terminals of a flexible printed circuit board and terminals of a wiring trace in a head suspension assembly are to be connected with each other by soldering without causing a soldering defect. In an embodiment, a terminal structure of a multi-connector in a wiring trace which includes an insulating layer... Agent: Townsend And Townsend And Crew LLP

20080239579 - Spring loaded head for reduced fly height and tracking control: An apparatus includes a body having a first air bearing surface and defining an opening, and a transducer portion having a second air bearing surface and positioned within the opening and coupled to the body by a plurality of spring members extending from the transducer portion to the body.... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20080239580 - Magnetic head for perpendicular magnetic recording and method of manufacturing same, the magnetic head including pole layer and two shields that sandwich the pole layer: A magnetic head incorporates: a medium facing surface; a coil; a pole layer; first and second shields disposed to sandwich the pole layer therebetween; a first gap layer disposed between the first shield and the pole layer; a second gap layer disposed between the second shield and the pole layer;... Agent: Oliff & Berridge, PLC

20080239581 - Apparatus for determining contact of head slider and method of determining contact of head slider: An AC power source is connected to a write coil mounted on a head slider for determination of contact of a head slider with a storage medium. The AC power source outputs the alternating current having a specific frequency. A measuring circuit measures a sequence of indices for the alternating... Agent: Kratz, Quintos & Hanson, LLP

20080239582 - Magnetoresistive effect element having bias layer with internal stress controlled: Provided is an MR effect element in which the magnetization of the pinned layer is stably fixed even after going through high temperature process. The MR effect element comprises: a non-magnetic intermediate layer; a pinned layer and a free layer stacked so as to sandwich the non-magnetic intermediate layer; an... Agent: Frommer Lawrence & Haug

20080239583 - Thin film magnetic head, head gimbal assembly, head arm assembly, magnetic disk device and method of forming thin film magnetic head: The thin film magnetic head includes a main magnetic pole layer conducting a magnetic flux to the recording medium so that the recording medium an be magnetized in a direction orthogonal to a surface thereof; a return yoke layer disposed on a trailing side of the main magnetic pole layer;... Agent: Oliff & Berridge, PLC

20080239585 - Cpp-type magnetoresistive effect head and method of manufacturing the same: Embodiments of the present invention help to prevent a reduction in the bias magnetic field of a current perpendicular to the plane-type (CPP-type) magnetoresistive effect head, thus suppressing a reduction in read output. According to one embodiment, a CPP-type magnetoresistive effect film is formed on top of a lower magnetic... Agent: Townsend And Townsend And Crew LLP

20080239586 - Current perpendicular to plane magneto-resistance effect element, magnetic head, and magnetic recording/reproducing device: A current perpendicular to plane magneto-resistance effect element includes: a magneto-resistance effect film comprised of a fixed magnetization layer, a free magnetization layer, and a complex spacer layer including an insulating layer and current paths formed through the insulating layer; a biasing mechanism for stabilizing the free magnetization layer; a... Agent: Nixon & Vanderhye, PC

20080239584 - Thin-film magnetic head having laminate shields for tolerating external magnetic field: Provided is a thin-film magnetic head having an MR element in which the tolerance of external magnetic field is improved even under the condition that shields have smaller areas. The head comprises: an MR element comprising lower and upper shield layers provided so as to sandwich an MR multilayer, one... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080239588 - Magneto-resistance effect element, magnetic head, and magnetic recording/reproducing device: A magneto-resistance effect element includes a magneto-resistance effect film comprised of a free magnetization layer, a fixed magnetization layer and an intermediate layer disposed between the free magnetization layer and the fixed magnetization layer; a magnetic coupling layer which is disposed on one main surface of the fixed magnetization layer;... Agent: Nixon & Vanderhye, PC

20080239587 - Magneto-resistance effect element, magnetic head, magnetic recording device and magnetic memory: A magneto-resistance effect element includes: a first magnetic layer of which a first magnetization is fixed in one direction; a second magnetic layer of which a second magnetization is fixed in one direction; a spacer layer located between the first magnetic layer and the second magnetic layer and made of... Agent: Nixon & Vanderhye, PC

20080239591 - Magneto-resistance effect element, and method for manufacturing the same: a fixed magnetization layer of which a magnetization is substantially fixed in one direction; a free magnetization layer of which a magnetization is rotated in accordance with an external magnetic field and which is formed opposite to the fixed magnetization layer; a spacer layer including a current confining layer with... Agent: Nixon & Vanderhye, PC

20080239590 - Magneto-resistance effect element, magnetic head, magnetic recording/reproducing device and method for manufacturing a magneto-resistance effect element: A magneto-resistance effect element, including: a first magnetization layer of which a magnetization is substantially fixed in one direction; a second magnetization layer of which a magnetization is rotated in accordance with an external magnetic field; an intermediate layer which contains insulating portions and magnetic metallic portions and which is... Agent: Nixon & Vanderhye, PC

20080239589 - Spin transfer mram device with novel magnetic synthetic free layer: We describe a CPP MTJ MRAM element that utilizes transfer of spin angular momentum as a mechanism for changing the magnetic moment direction of a free layer. The device includes a tunneling barrier layer of MgO and a non-magnetic CPP layer of Cu or Cr and utilizes a novel synthetic... Agent: Stephen B. Ackerman