Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
04/2005
04/13/2005CN1197054C Reader for low-flying magnetoresistive sensor
04/13/2005CN1197053C Magnetic head sliding block with projection set on relative surface of medium, and its manufacture method
04/13/2005CN1196578C Biaxially oriented polyester film, process for producing the same and magnetic recording medium
04/12/2005US6879553 Apparatus for assigning spare areas for defect management and apparatus for handling fragmented ECC blocks
04/12/2005US6879475 Magnetoresistive effect element having a ferromagnetic tunneling junction, magnetic memory, and magnetic head
04/12/2005US6879474 Junction stability and yield for spin valve heads
04/12/2005US6879472 Exchange coupling film and electoresistive sensor using the same
04/12/2005US6879471 Recording head design for identifying reader-to-permanent magnet isolation failure
04/12/2005US6879470 Thin film recording head with a localized coating to protect against corrosion and electrostatic discharge
04/12/2005US6879469 Adjusting mechanism for flying pickup head in data storage device
04/12/2005US6879468 Magnetic head actuator having an improved microactuator oscillatably supported by metallic micro-beams
04/12/2005US6879467 Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same
04/12/2005US6879466 Disk drive including an actuator with a constrained layer damper disposed upon an actuator body lateral surface
04/12/2005US6879465 Integrated lead suspension and method of construction
04/12/2005US6879464 Air bearing having a cavity patch surface coplanar with a leading edge pad surface
04/12/2005US6879463 Head slider and disk drive unit employing the same
04/12/2005US6879462 Magnetic head capable of being increased in shape freedom of support and magnetic head device using the magnetic head
04/12/2005US6879460 Magnetic recording disk drive
04/12/2005US6879459 Positioning control mechanism for a magnetic head in a magnetic storage device
04/12/2005US6879458 Method for thermally writing servo patterns on magnetic media
04/12/2005US6879457 Timing based servo with fixed distances between transitions
04/12/2005US6879456 Disk drive writer with active reflection cancellation
04/12/2005US6879455 Method to increase head voltage swing and to reduce the rise time of write driver
04/12/2005US6879453 Method of magnetic transfer to magnetic recording medium having two recording layers and the magnetic recording medium thereof
04/12/2005US6879452 Master information carrier for magnetic transfer
04/12/2005US6879153 Magnetic sensor
04/12/2005US6879152 Evaluation system and method of measuring a quantitative magnetic field of a magnetic material
04/12/2005US6878460 Thin-film magnetic recording media with dual intermediate layer structure for increased coercivity
04/12/2005US6878459 For use in hard disks, floppy disks, and magnetic tapes
04/12/2005US6878445 Applying a coating liquid containing nanoparticles capable of forming a copper aluminum (CuAU) type or Cu3Au type hard magnetic ordered alloy on the support with shilding layer to form a coating, irradiating a laser light on the coating film
04/12/2005US6878444 Magnetic carbon nanotube
04/12/2005US6878439 Magnetic recording medium, its production process and magnetic recording device
04/12/2005US6878426 Recording media with mechanically patterned landing zone
04/12/2005US6878418 Depositing a first layer; applying a mask over first layer; activating second portion of first layer; removing mask; depositing a lubricant onto first layer
04/12/2005US6878398 Method of manufacturing magnetic recording medium and the magnetic recording medium
04/12/2005US6878240 Sputtering substrate; reducing edge photoresist masking
04/12/2005US6877343 Method of manufacturing a glass substrate and a magnetic recording medium
04/12/2005US6877213 Feature size reduction in thin film magnetic head using low temperature deposition coating of photolithographically-defined trenches
04/12/2005US6877212 Recording density of 5 Gbit/in2 or more by using a recording/ reproduction separation type thin film magnetic head having a narrow track width of 1 mu m or less or capable of keeping up with data transfer at a high speed.
04/07/2005WO2005031767A1 Laminate of magnetic base material and method for production thereof
04/07/2005WO2005031744A1 Disc device and control method thereof
04/07/2005WO2005031732A1 Magnetic field modulation head
04/07/2005WO2005031715A1 Method of chemical strengthening treatment for magnetic disk glass substrate
04/07/2005WO2005031714A1 Magnetic recording medium and process for producing the same
04/07/2005WO2005031713A1 Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus
04/07/2005WO2005031712A1 Method and system for partial potting head slider to head suspension
04/07/2005WO2005031468A1 Near-field light generating method near-field exposure mask and near-field exposure method and apparatus
04/07/2005US20050076175 System and method for determining hard disk drive performance
04/07/2005US20050074637 Multilayer; low cohesive force magnetic layer and chromium oxide layers
04/07/2005US20050074636 high capacity magnetic recording medium having high performance and high reliability by forming a protective layer comprising a hard carbon film on a magnetic layer having a granular structure without occurrence of contamination
04/07/2005US20050074635 Information recording medium and method of manufacturing glass substrate for the information recording medium, and glass substrate for the information recording medium, manufactured using the method
04/07/2005US20050074634 Comprising main component of barium calcium titanate and sub-components of magnesium carbonate, rare earth oxide, barium or calcium oxide, manganese, vanadium, chromium oxides, sintering additive of silicon oxide; can be sintered at low temperature; high dielectric constant, excellent thermal stability
04/07/2005US20050074633 a thermoplastic polymer and a stack of thin film layers; a soft magnetic underlayer, a non-magnetic interlayer of Ruthenium, and a granular perpendicular magnetic recording layer; no special treatment of polymer, optimal magnetic performance;
04/07/2005US20050073941 Optical information recording medium
04/07/2005US20050073929 Disk reproducing device
04/07/2005US20050073926 Method of detecting an optical disk and the optical disk drive thereof
04/07/2005US20050073925 Method and system for identifying the size of an opitcal disc
04/07/2005US20050073924 Controlling rotational speed of an optical disc based on detected eccentricity
04/07/2005US20050073922 Appliance for recording or playing back information having means for detecting or moving the scanning location on a disc with a wobble track
04/07/2005US20050073915 Method of determining and applying adaptive track zero position and disc drive using the same
04/07/2005US20050073778 Magnetic sensing element including magnetic layer composed of Heusler alloy disposed on underlayer having {111}-oriented fcc structure
04/07/2005US20050073777 Magnetic head comprising magnetic domain control layer formed on ABS-side of magnetic flux guide for GMR element and method of manufacturing the magnetic head
04/07/2005US20050073776 Head support mechanism, head arm assembly, and disk drive apparatus with head arm assembly
04/07/2005US20050073775 Pole tip trimmed magnetic recording head with minimal edge rounding
04/07/2005US20050073774 Transducing head with reduced side writing
04/07/2005US20050073773 Thin-film magnetic head and method of manufacturing same
04/07/2005US20050073772 Deceleration of head in disc drive according to a desired deceleration profile
04/07/2005US20050073771 Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive
04/07/2005US20050073770 Systems and methods for repairable servo burst patterns
04/07/2005US20050073768 Method and apparatus for dynamically establishing pitch static attitude in hard disk drive
04/07/2005US20050073766 Method for assembly level disk erase
04/07/2005US20050073765 Magnetic recording and reproducing device
04/07/2005US20050073764 Automatic adjustment of magnetic disk protection apparatus and method according to environment
04/07/2005US20050073763 Time-based sectored servo data format
04/07/2005US20050073762 Magnetic data embedding system
04/07/2005US20050073761 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
04/07/2005US20050073340 Apparatus and method for driving a write head
04/07/2005US20050073300 Method of inspecting thin-film magnetic head and method of making thin-film magnetic head
04/07/2005US20050073016 Asymmetric patterned magnetic memory
04/07/2005US20050071986 Apparatus and method for closed loop feedback during lapping of magnetic heads
04/07/2005DE102004017195A1 Verfahren und System zum Speichern von Daten in unabhängigen Speichern A method and system for storing data in independent memories
04/06/2005EP1521463A1 Reproduction device, reproduction method, reproduction program, and recording medium
04/06/2005EP1521269A2 Asymmetric patterned magnetic memory
04/06/2005EP1521263A2 Method and apparatus to perform improved retry in a data storage system
04/06/2005EP1521261A2 Data storage system with partially overlapped tracks
04/06/2005EP1521258A2 Reproducing apparatus, operating apparatus for reproducing and reproducing method therefore
04/06/2005EP1521257A2 Optical disc reproducing apparatus
04/06/2005EP1521253A2 Recording medium having position recognition structure, and position recognition apparatus and method
04/06/2005EP1521245A1 Magnetic recording medium and method for producing the same
04/06/2005EP1521244A1 Method for making a read sensor for a magnetic head
04/06/2005EP1520277A1 Control means and method of controlling a current through a coil
04/06/2005CN1605097A Optical recording medium and recording device for this optical recording medium and recording method
04/06/2005CN1604355A Magneto-resistive effect element, magnetic head and magnetic reproducing device
04/06/2005CN1604221A Recording medium, recording device and recording method
04/06/2005CN1604220A Disk reproducing device
04/06/2005CN1604219A Disk for audio data and reproduction apparatus
04/06/2005CN1604218A Method for handling fragmented blocks of optical disk
04/06/2005CN1604214A Recording medium and method of making the same
04/06/2005CN1604201A Control of process timing during manufacturing of magnetic thin film disks
04/06/2005CN1604200A Thin film media with a dual seed layer of rual/nialb