Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
05/2005
05/31/2005US6900963 Thin film magnetic head with track width restricting groove formed to fully reach lower core layer, and manufacturing method for the same
05/31/2005US6900959 Disk drive comprising an offset-nulling amplifier for detecting a back EMF voltage of a voice coil motor
05/31/2005US6900958 Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration and monitoring of write-unsafe occurrences
05/31/2005US6900956 Disk device and data-erasing method
05/31/2005US6900955 Method and apparatus providing variable spin pad lengths
05/31/2005US6899964 Magnetic recording medium and method for manufacturing the same
05/31/2005US6899959 Multilayer; magnetic recording media, undercoatings, substrates, ruthenium containing layer and antiferromagnetic compound; high speed switch
05/31/2005US6899456 Glide head for asperity detection
05/31/2005US6899269 Magnetic stripe authentication and verification system
05/31/2005US6898841 Manufacturing method of head gimbal assembly
05/31/2005US6898840 Method of fabricating a magnetic head device
05/26/2005WO2005048548A2 Digital data receiver for edge cellular standard
05/26/2005WO2005048244A1 Bias-adjusted giant magnetoresistive (gmr) devices for magnetic random access memory (mram) applications
05/26/2005WO2005046968A1 Film and magnetic-recording medium using the same
05/26/2005US20050114597 Disk array device for idle seek
05/26/2005US20050114584 Multimedia access device
05/26/2005US20050112410 Magnetic recording medium and production process therefor
05/26/2005US20050112409 Acicular ferromagnetic powder is iron oxide, major axis length to 50 nanometers; hexagonal ferrite powder is barium ferrite, strontium ferrite, lead ferrite; non-magnetic layer is polyurethane resin having a bridged or spiro hydrocarbon structure
05/26/2005US20050111535 Carrier grouping in multi-carrier systems
05/26/2005US20050111330 Data reproduction apparatus and data reproduction method
05/26/2005US20050111329 Information recording/reproducing apparatus
05/26/2005US20050111323 Defect detection apparatus
05/26/2005US20050111322 Method, optical disk drive and calibration system for modifying a 2t write strategy to improve recording quality
05/26/2005US20050111321 Method for detecting stable rotation speed of a spindle motor, and optical disc drive that performs the method
05/26/2005US20050111320 Player with rotational control for double-sided optical discs
05/26/2005US20050111318 Optical disc apparatus, clock signal generation method, program, and control apparatus
05/26/2005US20050111316 Optical disc apparatus, access method, program and semiconductor integrated circuit
05/26/2005US20050111315 Write-once recording medium preserving data-recording status, method of preserving data-recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor
05/26/2005US20050111314 Write control parameter optimizing apparatus, write control parameter optimizing method, recording apparatus, and recording method
05/26/2005US20050111309 Apparatus and method for coupling light to a thin film optical waveguide
05/26/2005US20050111148 Method of increasing CPP GMR in a spin valve structure
05/26/2005US20050111146 Pattern transfer with self-similar sacrificial mask layer and vector magnetic field sensor
05/26/2005US20050111145 Magnetoresistive effect element, magnetic head, and magnetic reproducing apparatus
05/26/2005US20050111144 Magneto-resistive element and device being provided with magneto-resistive element having magnetic nano-contact
05/26/2005US20050111143 Self-alignment scheme for enhancement of CPP-GMR
05/26/2005US20050111142 Electromagnetic transducer element capable of suppressing rise in temperature of electromagnetic transducer film
05/26/2005US20050111141 Bilinear-nonlinear limit stop for hard disk drive actuator
05/26/2005US20050111140 Actuator with dynamic characteristic and disk drive having the same
05/26/2005US20050111138 Thin-film magnetic head and its manufacturing method
05/26/2005US20050111137 Ultrafast pulse field source utilizing optically induced magnetic transformation
05/26/2005US20050111135 Magnetic disk drive apparatus
05/26/2005US20050111133 Apparatus and method for controlling head unload operation in disk drive
05/26/2005US20050111132 Configurable multi-mode architecture for power loss retraction of the read/write head of a hard disk drive
05/26/2005US20050111131 Method and apparatus for storing data on magnetic tape
05/26/2005US20050111129 Photoconductive optical write driver for magnetic recording
05/26/2005US20050111128 Long hold time sample and hold circuits
05/26/2005US20050111127 Magnetic storage write heads using micro-electro mechanical shutters
05/26/2005US20050111126 Programmable overshoot for a servo writer
05/26/2005US20050111124 Master carrier for magnetic transfer
05/26/2005US20050111123 Master information carrier and method of manufacturing the same, method of recording master information signal on magnetic recording medium, method of manufacturing the magnetic recording medium, and magnetic recording and reproducing apparatus
05/26/2005US20050109729 Method of marking sintered body and method for manufacturing magnetic head wafer
05/26/2005US20050109427 Magnetic alloy, magnetic recording medium, and magnetic recording and reproducing apparatus
05/26/2005US20050109159 Vaporization and decomposition of iron pentacarbonyl or iron (II) acetate to form iron metal, condensation into nanopowder form; fine magnetic metal powders with increased magnetic properties
05/26/2005US20050109052 Systems and methods for conditioning air and transferring heat and mass between airflows
05/25/2005EP1534006A1 Image data processing device and method
05/25/2005EP1533817A2 Magnetic recorder head and method for high coercivity media employing concentrated stray magnetic fields
05/25/2005EP1533794A1 Method of controlling track seek servo in disk drive and apparatus therefor
05/25/2005EP1533793A2 Calibration method for use in head loading/unloading type disk apparatus
05/25/2005EP1533792A1 Thin film magnetic head and method of producing the head
05/25/2005EP1532661A1 Device for liquid treatment of disk-shaped objects
05/25/2005EP0906636B1 Highly tetrahedral amorphous carbon films and methods and ion-beam source for their production
05/25/2005DE3934477B4 Magnetaufzeichnungsmedium Magnetic recording medium
05/25/2005DE202005004370U1 Schlüsselsystem mit Speichermedium Key system with storage medium
05/25/2005DE19755534B4 Verfahren und Vorrichtung zur Messung der Verteilung von Magnetfeldern Method and apparatus for measuring the distribution of magnetic fields
05/25/2005CN1620687A Magnetic recording medium and magnctic memory
05/25/2005CN1620686A Magnetic recording medium and magnetic memory
05/25/2005CN1620685A Write head and method for recording information on a data storage medium
05/25/2005CN1619686A Apparatus and method for controlling head unload operation in disk drive
05/25/2005CN1619685A Defect detection apparatus
05/25/2005CN1619684A Reproducing signal processor and optical disk device
05/25/2005CN1619682A Disk apparatus and disk reproducing method
05/25/2005CN1619681A Information-recording/reproduction apparatus, information-recording/reproduction methods, program-storing medium and programs
05/25/2005CN1619680A Defect management for HDD with variable index architecture
05/25/2005CN1619668A Focusing controllter and method thereof for an optical disk drive
05/25/2005CN1619667A Method and device for adjusting a control parameter of a servo of an optical drive
05/25/2005CN1619662A Calibration method for improving stability of write control signal during writing
05/25/2005CN1619661A Method and device for generating a stable power control signal
05/25/2005CN1619660A Method and apparatus for writing re-writable optical disk
05/25/2005CN1619651A Master information carrier, magnetic recording medium, recording method, and magnetic recording and reproducing apparatus
05/25/2005CN1619650A Magnetic thin film media with a bi-layer structure of CrTi/NiP
05/25/2005CN1619649A Fly height control for a read/write head in a hard disk drive
05/25/2005CN1619648A Current-perpendicular-to-plane giant magneto-resistance sensor, its mfg. method and magnetic memory system
05/25/2005CN1619647A Magnetic transducer for perpendicular magnetic recording with separated read and write heads
05/25/2005CN1619508A Storage having logical partitioning capability and systems which include the storage
05/25/2005CN1619009A Take-up vacuum deposition method and take-up vacuum deposition apparatus
05/25/2005CN1203469C Actuator using piezoelectric element and magnetic head positioning mechanism using said actuator
05/25/2005CN1203468C Method of manufacturing flexible magnetic tape
05/25/2005CN1203467C Method for mfg. magnetic head sliding block
05/25/2005CN1203466C Method for recording and playing back niformation on magnetic strips and related reading/recording apparatus
05/24/2005US6898665 System and method for profiling access to disk drive commands based on a dual servo mode model
05/24/2005US6898173 Recording and playback of multi-channel digital audio having different resolutions for different channels
05/24/2005US6898158 Exchange-coupled multilayer film including a transition metal-rich rare earth-transition metal amorphous alloy layer and a rare earth-rich rare earth-transition metal amorphous layer.
05/24/2005US6898157 Optical head having a plurality of coil elements connected in parallel to each other
05/24/2005US6898115 Magnetoresistive element, and magnetic memory using the same
05/24/2005US6898059 Head suspension for disk drive
05/24/2005US6898057 Thin film magnetic head having multiple layered films determining track width imbedded in an insulating film and method of manufacturing the same
05/24/2005US6898056 Thin-film magnetic head capable of suppressing side fringing
05/24/2005US6898055 Thin-film magnetic head designed for narrower tracks
05/24/2005US6898054 Corrosion-resistant soft magnetic film, method of producing the same, thin film magnetic head using the same and method of manufacturing the thin film magnetic head
05/24/2005US6898053 Perpendicular recording head with trackwidth defined by plating thickness
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