Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
04/1998
04/22/1998CN1179851A Magnetic recording media
04/22/1998CN1179850A Non-plasticizing, high glass transition temp. dispersants for magnetic media
04/22/1998CN1179849A Positioning of head relative to plurality of tracks
04/22/1998CN1038163C Storage device for reversibly storing on multitrack storage medium, decoding device and reproducing apparatus and its used single medium
04/21/1998US5742582 Disk medium and method of writing data onto the disk medium
04/21/1998US5742518 Stiction model for a head-disc interface of a rigid disc drive
04/21/1998US5742461 Cleaning cartridge for a tape drive
04/21/1998US5742460 Movable full erasing head
04/21/1998US5742459 Magnetic head having encapsulated magnetoresistive transducer and multilayered lead structure
04/21/1998US5742458 Cobalt, nickel-iron alloy
04/21/1998US5742457 Horizontal shared-pole magnetic read/write head having polarization conductor disabling write pole
04/21/1998US5742455 Dual latch apparatus for restraining a direct access storage device actuator
04/21/1998US5742454 Unitary load beam and cam follower
04/21/1998US5742452 Low mass magnetic recording head and suspension
04/21/1998US5742451 Machined magnetic head with contoured air bearing surfaces
04/21/1998US5742449 Rotating magnetic memory device
04/21/1998US5742446 Method for detection of slider-disk contact
04/21/1998US5742443 Method and apparatus for data placement of continuous media to utilize bandwidth efficiency
04/21/1998US5741593 Magnetic recording medium
04/21/1998US5741577 Magnetic recording medium having a lubricant layer with a specified structure of a specified perfluoropolyether lubricant
04/21/1998US5741560 Method for preparing a substrate for a magnetic disk
04/21/1998US5741403 Smooth surface finishes
04/21/1998US5741373 Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials
04/21/1998CA2079566C Magnetoresistive head for reading magnetic ink characters
04/16/1998WO1998015956A1 Clock generating apparatus and disk driving apparatus
04/16/1998WO1998015948A1 Toroidal thin film head
04/16/1998WO1998015668A1 Production method of laminate body, and the laminate body
04/16/1998DE19736255A1 Gray-code decoder compensation circuit
04/16/1998DE19581346C2 Digital video tape recording appts. with high speed reproduction mode
04/15/1998EP0836188A1 Method of defining a dynamic system controller and the controller per se
04/15/1998EP0836148A2 Gimbal card reader
04/15/1998EP0835507A1 Flux enhanced write transducer and process for producing the same in conjunction with shared shields on magnetoresistive read heads
04/15/1998EP0835506A1 Method and apparatus for spectral analysis in a disk recording system
04/15/1998EP0835505A1 Apparatus for reproducing a digital information signal from a record carrier
04/15/1998EP0835239A1 Ketimine curing agents and rapidly curing magnetic recording media and films prepared with ketimines
04/15/1998EP0730774B1 Thin film magnetic heads with thin nickel underlayers
04/15/1998CN1179227A Combination of magnetic record carrier and apparatus for recording digital information signal in a track on said record carrier
04/15/1998CN1178970A Magnetic recording medium and its producing technology
04/15/1998CN1178969A Integrated suspending frame flexible parts with flexible terminal platform
04/15/1998CN1178968A 磁头 Magnetic head
04/15/1998CN1178966A Automatic cassette changer for front loading type magnetic recording-reproduction apparatus
04/15/1998CN1178965A Multi-track transmission lines for R/W head interconnect in hard disk drive
04/15/1998CN1038071C Multi-track helical scanning system
04/14/1998US5740309 Recording signal control apparatus capable of optimizing recording conditions for magnetic recording medium
04/14/1998US5740244 Method and apparatus for improved fingerprinting and authenticating various magnetic media
04/14/1998US5740151 Optical test disk having a plurality of different formats
04/14/1998US5740149 Phase-change type optical recording and reproducing method
04/14/1998US5740144 Disk reproducing apparatus
04/14/1998US5739994 Method of allocating concentric track locations on a disk storage medium
04/14/1998US5739991 Composite thin film head having magnetoresistive and inductive head portions with nonmagnetic thin film interposed between core and shield portions of core layer
04/14/1998US5739990 Spin-valve GMR sensor with inbound exchange stabilization
04/14/1998US5739988 Spin valve sensor with enhanced magnetoresistance
04/14/1998US5739987 Magnetoresistive read transducers with multiple longitudinal stabilization layers
04/14/1998US5739986 Magnetic tape recording/reproducing device comprising a head-drum unit using capacitive and inductive couplings to transfer signals from and to the write and read heads
04/14/1998US5739984 damping loop for a tape drive actuator with a servo control system
04/14/1998US5739983 Floppy disk drive assembly
04/14/1998US5739982 Laser treatment of head gimbal assembly components
04/14/1998US5739981 Magnetic head sub-ambient air pressure slider for a disk drive device or the like
04/14/1998US5739977 Pole base moving apparatus of tape recorder
04/14/1998US5739975 Memory storage module for staring and accessing magnetically encoded data on linear tracks
04/14/1998US5739974 System for calibrating a magnetic tape drive
04/14/1998US5739973 Apparatus for recording a mixed video and tracking signal on a magnetic recording medium
04/14/1998US5739972 Storage device
04/14/1998US5739971 Head-position controlling device
04/14/1998US5739969 Digital data storage using predetermined increments of time wherein each increment represents a plurality of bits of information
04/14/1998US5739968 Recording/playback apparatus for dividing encoded digital video data into essential information and high-precision information and for recording both the high-precision information onto a magnetic tape
04/14/1998US5739706 Magnetically recording apparatus
04/14/1998US5739048 Method for forming rows of partially separated thin film elements
04/14/1998US5738946 Applied to a high sensitivity magnetic head
04/14/1998US5738945 Isolation layer for reducing noise
04/14/1998US5738938 Stable multilayer comprising one rare earth-transition metal alloy layer; heat resistance
04/14/1998US5738931 Electronic device and magnetic device
04/14/1998US5738929 Increasing the contact surface between a ferromagnetic layer and a non-magnetic metal film by a textured surface
04/14/1998US5738927 Perpendicular magnetic recording media and magnetic recording device
04/14/1998US5738906 Method for producing a magnetic disk
04/14/1998US5738566 Lapping guide system, method and article of manufacture
04/14/1998US5737837 Manufacturing method for magnetic head junction board
04/14/1998US5737826 Method of making a thin-film transducer design for undershoot reduction
04/14/1998US5737825 Method of making thin film magnetic head including a durable wear layer and gap structure
04/09/1998WO1998014940A1 Reproducing device and device and method for correcting error
04/09/1998WO1998014937A1 Suspension with integrated conductors having trimmed impedance
04/09/1998WO1998014936A1 Redundant synchronization fields to improve disc drive read performance
04/09/1998WO1998014935A2 A magnetic recording head having a carbon overcoat array on slider air bearings surfaces
04/09/1998WO1997046892A3 Magnetoresistance sensor having minimal hysteresis problems
04/09/1998DE19744348A1 Magnetic storage medium especially hard disk
04/08/1998EP0834872A1 Magnetic recording medium and process for producing same
04/08/1998EP0834871A1 Circuitry and method for current sensing in a voice coil driver
04/08/1998EP0834870A1 Disk drive magnetic actuator latch mechanism
04/08/1998EP0834869A1 Improvements in or relating to disk drive circuitry
04/08/1998EP0834868A1 Head suspension with self-shielding integrated conductor trace array
04/08/1998EP0834867A1 Suspension with multi-layered integrated conductor trace array for optimized electrical parameters
04/08/1998EP0834866A2 Multi-trace transmission lines for r/w head interconnect in hard disk drive
04/08/1998EP0834865A1 A head suspension assembly
04/08/1998EP0834864A2 Actively stabilized magnetoresistive head
04/08/1998EP0834173A1 Arrangement for segment-by-segment recording of information signals on an intermittently drivable magnetic tape
04/08/1998CN1178609A D. C. brushless motor with minimized net radial forces and low cogging torque
04/08/1998CN1178364A Electrical connection system for full erase head assembly of video cassette recroder
04/08/1998CN1178363A Thermal asperity detection method, thermal asperity eimination method, magentic disk unit and retry method therefor
04/08/1998CN1178362A Magnetic recording/displaying device
04/08/1998CN1178361A Glass substrate, magnetic recording medium and method of manufacturing magnetic recording medium