Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
09/2003
09/25/2003US20030179486 Method, system, and program for estimating coil resistance of a voice coil motor in a disk drive system
09/25/2003US20030179482 Seamless and untrimmed primary servo burst with multiple secondary servo bursts
09/25/2003US20030179481 Patterned medium
09/25/2003US20030179480 Write driver circuit for driving a magnetic head
09/25/2003US20030179479 Disk device and method of generating signal re
09/25/2003US20030179478 Process for measuring nonlinear transition shift (NLTS) at high recording densities with a giant magetoresistive (GMR) head
09/25/2003US20030179477 Master information carrier for magnetic transfer
09/25/2003US20030179071 Magnetoresistive element
09/25/2003US20030178991 Method and apparatus supporting magnetic performance measurement of merged read-write heads using the write current and read current
09/25/2003US20030178705 System and method for stabilizing a magnetic tunnel junction sensor
09/25/2003US20030178695 Micro device
09/25/2003US20030178570 Titanium dioxide in polyester; scintillator bonded to semiconductor; computer topography
09/25/2003US20030177867 Slurrying magnetite and silica in water and polyvinyl alcohol, then spray drying to from microstructure particles and reducing in hydrogen to form reaction products containing iron, silicon and oxygen, having remanence
09/25/2003US20030177631 Ion bombardment etch to stripe height
09/24/2003EP1347450A2 Information recording method using electron beam, information recording apparatus, and recording medium
09/24/2003EP1347442A1 Recording magnetic head and magnetic storage device using the same
09/24/2003EP1347441A2 Master information carrier for magnetic transfer
09/24/2003EP1346815A1 Biaxially oriented polyester film and method for production thereof
09/24/2003EP1346776A2 Coating apparatus
09/24/2003EP1346354A2 Device for scanning an electromagnetically suspended information carrier
09/24/2003EP1346349A1 Use of poly(meth)acrylate units containing sulphonate groups in binding agents for magnetic storage media
09/24/2003EP1346348A1 Magnetic recording medium and magnetic storage apparatus
09/24/2003EP1346347A1 Head drum with magnetic mounting of rotary transformer
09/24/2003CN1444762A Laminated magnetic recording media
09/24/2003CN1444761A Disc drive with layered write coil
09/24/2003CN1444236A Strong magnetic iron alloy powder for magnetic recording medium and mfg. method thereof
09/24/2003CN1444226A Box-type converter
09/24/2003CN1444225A Box-type converter
09/24/2003CN1444224A Method and device for driving mainshaft motor and voice coil motor in disk drive
09/24/2003CN1444221A Turbo coding and decoding method and equipment for disk drive read/write channel
09/24/2003CN1444216A 光信息记录介质 The optical information recording medium
09/24/2003CN1444207A Magnetic copy method for implementation of soft medium
09/24/2003CN1444206A Magnetic powder for magnetic recording
09/24/2003CN1444205A Method and apparatus for controlling magnetic head position in magnetic disk drive
09/24/2003CN1122424C Magnetic recording and reproduction apparatus and its method
09/24/2003CN1122278C Information signal recording apparatus and reproductino apparatus comprising means for tracking control
09/24/2003CN1122269C Slider having terminated side rails with trailing edge cuts
09/24/2003CN1122267C Disc drive unit
09/24/2003CN1122094C 抛光组合物 The polishing composition
09/24/2003CN1122093C Polishing composition used for manufacturing storage hard disk and polishing method
09/24/2003CN1121989C Crystallized glass for substrate of information recording disk
09/24/2003CN1121929C Method of producing thin resin films
09/23/2003US6624988 Tunnel junction sensor with antiparallel (AP) coupled flux guide
09/23/2003US6624987 Magnetic head with a tunnel junction including metallic material sandwiched between one of an oxide and a nitride of the metallic material
09/23/2003US6624986 Free layer structure for a spin valve sensor with a specular reflecting layer composed of ferromagnetic oxide
09/23/2003US6624985 Pinning layer seeds for CPP geometry spin valve sensors
09/23/2003US6624984 Fly height control slider with crown and cross curve de-coupling
09/23/2003US6624983 Mechanical dual stage actuator linkage for a hard disk drive
09/23/2003US6624982 Magnetic disk recording apparatus
09/23/2003US6624981 Micrometric actuation, hard disk read/write unit with a flexure and microactuator formed in a monolithic body of semiconductor material
09/23/2003US6624980 Disk drive comprising a support member for supporting a flex circuit and having a restraining member for vertically restraining an inertial latch
09/23/2003US6624978 Technique for loading and unloading a read/write head by implementing a ramp motion mechanism in a disk drive
09/23/2003US6624977 Data storage system with slider having variable hardness pad
09/23/2003US6624976 Magnetic disc cartridge having a substrate with magnetized pit trains and a substrate with same coefficient of thermal expansion as hub
09/23/2003US6624974 Recording and/or reproducing apparatus with mechanism for damping vibrations of a component part which cooperates with a record carrier in the form of a tape
09/23/2003US6624973 Magnetic head for floppy disk drive and hard disk drive
09/23/2003US6624972 Magnetic head, method of manufacturing magnetic head and information recording apparatus
09/23/2003US6624971 Thin film magnetic head and method of manufacturing the same
09/23/2003US6624970 Thin-film magnetic head having an induction-type magnetic transducer and method of manufacturing same
09/23/2003US6624969 Magnetic head with cutouts corresponding to the number of lead wires
09/23/2003US6624966 Disk drive having airflow suppressor comb for reduced disk rotation induced airflow
09/23/2003US6624964 Method and apparatus for reducing seek acoustics in disk drives for AV systems
09/23/2003US6624963 Static track spacing error correction in a disc drive
09/23/2003US6624961 Tape drive apparatus and recording medium
09/23/2003US6624960 Current sensing drum/cleaning wheel positioning method and apparatus for magnetic storage system
09/23/2003US6624958 Debris detection and error recovery method for tape drives
09/23/2003US6624957 Circuit for controlling the write current of a magnetic disk recording apparatus and method for optimizing the write current
09/23/2003US6624892 Method and apparatus for fly height testing using light emitting diodes
09/23/2003US6624627 Method for indexing magnetic disks by using a scanning probe
09/23/2003US6624553 Head suspension assembly for magnetic disk drives
09/23/2003US6624101 Glass-ceramic composition for recording disk substrate
09/23/2003US6623875 Magnetic recording medium and magnetic storage apparatus
09/23/2003US6623874 Magnetic recording medium and magnetic recording apparatus
09/23/2003US6623873 An underlayer including a nonmagnetic alloy containing chromium and titanium; magnetic layer including a Co-Cr-Pt-Ta alloy; and intermediate layer consisting of Co-Cr-Pt; medium noise is lowered by increasing Cr in magnetic layer
09/23/2003US6623857 Nanogranular thin film and magnetic recording media
09/23/2003US6623849 Magnetic recording medium
09/23/2003US6623836 Magnetic recording medium
09/23/2003US6623789 Method for fabricating a magnetic recording medium
09/23/2003US6623788 Defect-free patterning of sol-gel-coated substrates for magnetic recording media
09/23/2003US6623652 Reactive ion etching of the lapped trailing edge surface of a slider
09/23/2003US6623336 Magnetic head polishing device and method thereof
09/23/2003US6623330 Lapping sensor used in fabrication of magnetic head with magnetoresistive effect element and lapping control method using the sensor
09/23/2003US6622371 Method of manufacturing thin film magnetic head
09/18/2003WO2003077622A1 Liquid crystal polymers for flexible circuits
09/18/2003WO2003077238A1 Armature vibration damper for an armature in a disc storage system
09/18/2003WO2003077237A1 Recorded data deleting device for hard disk
09/18/2003US20030177434 Data sector error handling mechanism
09/18/2003US20030177423 Tranmission device, reception device, test circuit, and test method
09/18/2003US20030177098 Recording medium, recorder, reproducer, cryptocommunication system and program license system
09/18/2003US20030175556 Magnetic recording medium, production process and apparatus thereof, and magnetic recording and reproducing apparatus
09/18/2003US20030175555 Magnetic recording medium
09/18/2003US20030175546 Alternating iron, platinum layers
09/18/2003US20030175485 Magnetic recording medium, method for manufacturing the same, and resistance roller used for the method
09/18/2003US20030175470 Controlling molecular weight; ultrafiltration
09/18/2003US20030175469 Magnetic recording medium in the form of a disc
09/18/2003US20030175430 Uniform coating on flexible web; magnetic recording media
09/18/2003US20030175422 Applying lubricant by vapor deposition
09/18/2003US20030175098 In-circuit test fixture loader
09/18/2003US20030174638 Recording medium
09/18/2003US20030174562 Disk control apparatus and its control method