Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
07/2003
07/02/2003EP1323162A1 Data writing and reading
07/02/2003CN1427992A Compression and storage of written-in error compensation tables in embedded servo disc drive
07/02/2003CN1427409A Disc apparatus, distribution wire for disc apparatus and method for mfg. same
07/02/2003CN1427407A Apparatus and method for reading and controlling signal by single signal line transmission
07/02/2003CN1427055A 抛光组合物 The polishing composition
07/02/2003CN1113370C Magnetic oxide material and method of its mfg.
07/02/2003CN1113358C Recording apparatus and method of trick play signal in helical scan type recording apparatus
07/02/2003CN1113357C Apparatus and method for recording of subcode signals in slant track on record carrier
07/02/2003CN1113334C Magnetic tunnel junction magnetoresistive read head with longitudinal and transverse bias
07/01/2003US6587805 Testing a write transducer as a reader
07/01/2003US6587636 Reproducing apparatus
07/01/2003US6587413 Recording medium having spare areas for defect management and method of allocating spare areas
07/01/2003US6587318 Spin tunnel magneto-resistance effect type magnetic sensor and production method thereof
07/01/2003US6587317 Spin valve sensor having a pinned layer structure composed of cobalt iron vanadium (CoFeV)
07/01/2003US6587316 Spin-valve type thin film magnetic element
07/01/2003US6587315 Magnetoresistive-effect device with a magnetic coupling junction
07/01/2003US6587314 Enhanced silicon and ceramic magnetoresistive read/write head and a method for producing the same
07/01/2003US6587313 Piezoelectric actuator and information storage apparatus
07/01/2003US6587311 Magnetic storage device having a head suspension
07/01/2003US6587310 Magnetic head suspension with single layer preshaped trace interconnect
07/01/2003US6587309 Suspension for disc drive
07/01/2003US6587308 Disc head slider having profiled convergent channel features
07/01/2003US6587305 Tape head with transducer supports having raised, wear-resistant surfaces at edges of softer core
07/01/2003US6587303 Servo control of a coarse actuator
07/01/2003US6587302 09Method for controlling repeatable runout compensation algorithm
07/01/2003US6587301 System and method for calibrating and controlling the internal pressure of a hard disk drive
07/01/2003US6587299 Method for overcoming a stiction condition in disk drive
07/01/2003US6587298 Device for reading and writing tape recording medium, accessing method therefor, and recording medium
07/01/2003US6587296 Capacitor bias recovery methodology
07/01/2003US6587295 Method, apparatus, system and computer process for improving property of thin-film magnetic head
07/01/2003US6587293 Method for servo writing servo pattern at a desired speed
07/01/2003US6587292 Magneto-resistive asymmetry compensation loop
07/01/2003US6587291 Asynchronously sampling wide bi-phase codes
07/01/2003US6587290 Master information carrier, method for producing the carrier, and method apparatus for writing information into magnetic record medium using the carrier
07/01/2003US6587289 Method of magnetically transferring information signal from master medium to slave medium
07/01/2003US6586902 Disk drive apparatus and motor
07/01/2003US6586121 Antiferromagnetic layer, layer pinned by exchange coupling magnetic field, nonmagnetic and free magnetic layers and backing of RuPtIrRhPdOsCr alloy; improved rate of resistance change due to relationship between pinned and free layers
07/01/2003US6586116 Nonmetallic thin film magnetic recording disk with pre-seed layer
07/01/2003US6586086 Magnetic recording medium and making method
07/01/2003US6586070 Thin film TiSixNy protective layer
07/01/2003US6586069 Ultrathin protective overcoats comprising fullerene for magnetic materials
07/01/2003US6586049 Patterning method using mask and manufacturing method for composite type thin film magnetic head using the patterning method
07/01/2003US6586044 A non-magnetic substrate having a plurality of banks and grooves alternately and concentrically arranged thereon, a magnetic film formed on each of the banks, and non-magnetic material formed on an entire surface of the substrate
07/01/2003US6585902 Non-homogeneous laminate material for suspension with vibration dampening
07/01/2003US6585156 Multichannel magnetic head, method of manufacturing a multichannel magnetic head, and a card reader using the same
07/01/2003US6584676 Method for manufacturing a pole tip trimmed read/write head structure
06/2003
06/26/2003WO2003052748A1 Slider head having a sic underlayer
06/26/2003WO2003052686A2 Initial learn of adaptive feedforward coefficients
06/26/2003US20030119421 Manufacturing method and apparatus for magnetic head sliders
06/26/2003US20030118871 Magnetic recording medium, producing method of the same magnetic recording system
06/26/2003US20030118870 Magnetic recording medium
06/26/2003US20030118869 Magnetic recording medium
06/26/2003US20030118868 Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same
06/26/2003US20030118867 Magnetic recording medium, method for producing the same, and magnetic recording apparatus
06/26/2003US20030118726 For forming a thin film on a long film comprising aromatic polyamide in vacuum; film is not thermally damaged or broken by avoiding effects of heat and electrification of the film accompanied by the heating for melting
06/26/2003US20030117935 Rotary drive device
06/26/2003US20030117934 Optical pickup and optical disc apparatus provided with the same
06/26/2003US20030117918 Energy conserving disc drive
06/26/2003US20030117750 Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus
06/26/2003US20030117749 Perpendicular read/write head for use in a disc drive storage system
06/26/2003US20030117748 System and method for a three-piece design of a magnetic head assembly
06/26/2003US20030117747 Tape reel
06/26/2003US20030117746 Stepped enclosure for data storage device
06/26/2003US20030117743 Magnetic recording-reproducing apparatus and method for producing magnetic recording-reporducing apparatus
06/26/2003US20030117742 Head positioner and disk drive using the same
06/26/2003US20030117741 Method and apparatus for loading head onto disk medium from ramp in disk drive
06/26/2003US20030117740 Method and apparatus for controlling access to disk upon detection of condensation
06/26/2003US20030117737 Method and apparatus determining maximum read bias current and maximum write current for disk merged read/write heads based upon write current and measured read resistance
06/26/2003US20030117736 Master information carrier for magnetic transfer
06/26/2003US20030117735 Method of magnetic transfer to flexible medium
06/26/2003US20030117734 Magnetic card reader and magnetic data reproduction method using signal peak point intervals
06/26/2003US20030117459 Ejecting ink using shape memory alloys
06/26/2003US20030116899 Adhesive control features for wireless head suspension assemblies
06/26/2003US20030116426 Thin film; concurrent sputtering; random access memory
06/26/2003US20030115741 Swaging device for connecting a suspension assembly in a disc drive
06/25/2003EP1321928A2 Method of magnetic transfer to flexible medium
06/25/2003EP1321927A1 Master information carrier for magnetic transfer
06/25/2003EP0917711B1 Water soluble perfluoro polyether topcoat lubricants
06/25/2003EP0894320B1 Thin-film magnetic recording heads and systems and methods for manufacturing the same
06/25/2003CN1426056A Film layer separating device for multilayer film disc
06/25/2003CN1426055A Information record medium and method for producing said information record medium
06/25/2003CN1112699C Audio and video data recording and reproducing apparatus and method
06/25/2003CN1112697C Record compensation apparatus of video cassette recorder
06/25/2003CN1112676C Magnetic recording device
06/25/2003CN1112675C Exchange coupling film and method for producing same, magnetoresistance effect device and magnetoresistance effective head
06/24/2003US6584045 High speed magnetic coil for magneto-optical head
06/24/2003US6583971 Elimination of electric-pop noise in MR/GMR device
06/24/2003US6583970 Magnetoresistive head device incorporating joints between magnetoresistive layer and sense current conductors
06/24/2003US6583969 Pinned layer structure having nickel iron film for reducing coercivity of a free layer structure in a spin valve sensor
06/24/2003US6583968 Spindle motor hub having equivalent MR read element bias voltage to mitigate potential between disk and MR read element
06/24/2003US6583967 Thin-film magnetic head and method of manufacturing same
06/24/2003US6583966 Method to make a high data rate stitched writer for a giant magneto-resistive head
06/24/2003US6583964 Disk drive with mode canceling actuator
06/24/2003US6583963 Apparatus to improve shock capability of disc drives
06/24/2003US6583962 Head slider supporting device, disk device and suspension having thermal protection for head IC chip
06/24/2003US6583961 Air bearing facilitating load/unload of a magnetic read/write head
06/24/2003US6583960 Ramp load slider with trailing edge extenders controlling load wear
06/24/2003US6583959 Read write head assembly having air bearing features for contaminant control in flexible media head-disk interface
06/24/2003US6583958 Magnetic recording medium and magnetic storage system using same
06/24/2003US6583957 Magnetic hard disk having concentric magnetic tracks with flat surface and fabrication method thereof