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)
07/2003
07/09/2003CN1428782A Method and equipment for access control to magnetic disk drive using extended command
07/09/2003CN1428772A Pickup device and optical disk device using the same
07/09/2003CN1428766A Method and equipment for mounting magnetic head to magnetic disk medium from magnetic disk drive slope piece
07/09/2003CN1113956C Rinsing composition
07/08/2003US6590854 Read-wrte head fine adjustment and driving structure
07/08/2003US6590751 Anisotropic magnetoresistive (MR) sensor element with enhanced magnetoresistive (MR) coefficient
07/08/2003US6590750 Limiting magnetoresistive electrical interaction to a preferred portion of a magnetic region in magnetic devices
07/08/2003US6590749 Dual AP pinned spin valve sensor biased by opposite ferromagnetic coupling fields and opposite demagnetizing fields
07/08/2003US6590748 Combined servo-tracking and preload-controlling microactuator
07/08/2003US6590747 Seal for micro-electro-mechanical devices
07/08/2003US6590746 Negative pressure air-lubricated bearing slider
07/08/2003US6590745 Magnetic head, method of manufacturing same, and magnetic disk apparatus
07/08/2003US6590744 Disk drive
07/08/2003US6590743 Head protection mechanism for use in a tape drive that is driven by a ring cam
07/08/2003US6590742 Head cleaner for tape drive apparatus
07/08/2003US6590741 Magnetic head having grooves to enhance contact with magnetic recording media and magnetic recording/reproducing apparatus
07/08/2003US6590740 Shielded magnetic head and magnetic reproducing apparatus
07/08/2003US6590738 Particle removal device in a hard disk drive
07/08/2003US6590737 Method of measuring the coefficient of friction between a head slider and magnetic medium by taking into account the adsorptive component of friction
07/08/2003US6590735 Continuously adaptive seek deceleration profiling
07/08/2003US6590734 Observer based dual stage servo controller with gain boost to accomodate rotational vibration
07/08/2003US6590733 Digital processing of pilot-tone amplitudes
07/08/2003US6590729 Magnetic disk drive with servo signal decoder using amplitude detection and phase detection system
07/08/2003US6590728 Hard disk having extended data region
07/08/2003US6590727 Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier
07/08/2003US6590726 Apparatus and method for transmitting and receiving digital information
07/08/2003US6590667 Method and an apparatus for measuring the flying height with sub-nanometer resolution
07/08/2003US6590388 Non-destructive defective magneto-resistive head detection utilizing a micro-track
07/08/2003US6589893 Weather resistance, high polishing rate
07/08/2003US6589676 Non-magnetic substrate; underlayer over substrate; first magnetic layer, comprising cobalt, chromium and a chromium oxide stabilizing element, over underlayer; chromium oxide film on magnetic layer; and protective overcoat
07/08/2003US6589669 Magnetic recording medium and manufacturing method for the same
07/08/2003US6589663 Aromatic polyamide film
07/08/2003US6589641 Thin films of crosslinked fluoropolymer on a carbon substrate
07/08/2003US6589609 Crystal zone texture of glass-ceramic substrates for magnetic recording disks
07/08/2003US6589436 Method of adjusting the flatness of a slider using selective plasma etching
07/08/2003US6588671 Positioning of a recording head for a data storage device
07/08/2003US6588120 Method and apparatus for aligning a drum assembly used in a video recording device
07/08/2003US6588092 Method for producing a magnetic head, the magnetic head including a pair of magnetic core halves
07/08/2003US6588091 Method of making magnetic head with precisely defined zero throat height
07/03/2003WO2003055053A1 Drive device and recording and/or reproducing device
07/03/2003WO2003054885A1 Stepped enclosure for data storage device
07/03/2003WO2003054862A1 Pseudo-laminated soft underlayers for perpendicular magnetic recording media
07/03/2003WO2003054684A2 Dual communication port sharing apparatus
07/03/2003WO2003053688A2 Moulded discs
07/03/2003WO2003031096A3 Patterned structure reproduction using nonsticking mold
07/03/2003US20030126528 Method for creating defect management information in an recording medium, and apparatus and medium based on said method
07/03/2003US20030126527 Method for creating defect management information in an recording medium, and apparatus and medium based on said method
07/03/2003US20030126158 Low power hard disk drive using multiple, individually controllable actuators
07/03/2003US20030125183 Glass-ceramic composition for recording disk substrate
07/03/2003US20030124852 Composition and method for planarizing surfaces
07/03/2003US20030124450 Patterned recording media and appratus and method of manufacture the same
07/03/2003US20030124390 One exchange layer structure, and a magnetic layer formed on the exchange layer structure. The exchange layer structure includes a ferromagnetic layer, and a non-magnetic coupling layer provided on the ferromagnetic layer and under the
07/03/2003US20030124389 Magnetic recording medium, method of producing magnetic recording medium and storage apparatus
07/03/2003US20030124388 Magnetic recording medium in which its S/Nm (output/medium noise ratio) is improved. This magnetic recording medium is comprised of a first foundation layer made of alloy material composed of mainly Cr with added B, a second foundation layer
07/03/2003US20030124387 Information recording medium and method for manufacturing an information recording medium
07/03/2003US20030124386 Magnetic recording medium
07/03/2003US20030124385 Magnetic tape
07/03/2003US20030124384 Magnetically active body portion and a tri-layer electrical conductor structure arranged proximate the magnetically active body portion. The conductor structure has an alpha-Ta bi-layer film and a chromium capping layer.
07/03/2003US20030124298 Phase-change optical recording medium and recording method and apparatus for the same
07/03/2003US20030123374 Pickup device and disk drive
07/03/2003US20030123349 Digital audio recording medium and reproducing apparatus thereof
07/03/2003US20030123338 Apparatus and method for providing uninterrupted continuous play during a change of sides of a dual sided optical disk
07/03/2003US20030123335 Optical aperture for data recording having transmission enhanced by waveguide mode resonance
07/03/2003US20030123333 Method for reproducing information on a recording medium
07/03/2003US20030123201 Method and apparatus for providing precise control of magnetic coupling field in NiMn top spin valve heads and amplitude enhancement
07/03/2003US20030123200 Magnetoresistive element
07/03/2003US20030123198 Multilayer lamination; nonmagnetic gap layer
07/03/2003US20030123196 Head gimbal assembly with piezoelectric microactuator
07/03/2003US20030123195 Head feeding mechanism
07/03/2003US20030123194 Electrical interconnect with a retaining feature for an actuator assembly
07/03/2003US20030123193 Magnetic head device with flexible wiring board
07/03/2003US20030123192 Disk drive capable of avoiding the contact of disk and head slider in loading
07/03/2003US20030123191 Head slider having protector protuberance in front of head element
07/03/2003US20030123190 Magnetic head having head element protected from electrostatic damage, and production method therefor
07/03/2003US20030123189 Magnetic head comprising slider and flexure bonded with conductive resin
07/03/2003US20030123186 Magnetic disk apparatus
07/03/2003US20030123185 Servo write head with gaps for writing high and low frequency transitions
07/03/2003US20030123183 Method and apparatus for access control in a disk drvie
07/03/2003US20030123182 Disk storage apparatus and disk storage apparatus control method
07/03/2003US20030123181 High frequency and low frequency servo pattern
07/03/2003US20030123180 Initial learn of adaptive feedforward coefficients
07/03/2003US20030123179 Time-based servo for magnetic storage media
07/03/2003US20030123177 Current stealing circuit to control the impedance of a TGMR head amplifier biasing circuit regardless of whether the head amplifier is turned on
07/03/2003US20030123176 Method and apparatus for access control of a disk drive using extended command
07/03/2003US20030123175 System and method for recovery from writing errors during data storage
07/03/2003US20030123174 Continuously variable storage device data transfer rate
07/03/2003US20030123173 Method and apparatus for encoding data to guarantee isolated transitions in a magnetic recording system
07/03/2003US20030123172 System and method for efficient media certification during servowriting
07/03/2003US20030123171 Method and apparatus for in situ detection of high-flying sliders over customer data
07/03/2003US20030123170 Master information carrier and method for manufacturing magnetic disk
07/03/2003US20030123169 Master medium for magnetic transfer, magnetic transferring and recording method, slave medium for magnetic recording, and method for producing a master medium for magnetic transfer
07/03/2003US20030122073 Coated nanotube surface signal probe and method of attaching nanotube to probe holder
07/03/2003US20030121565 Multilayer; controlling signal polarity of detector; heat treatment
07/03/2003US20030121364 Precipitating in solvent; controlling particle size
07/03/2003US20030121285 Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate
07/03/2003US20030121214 Polishing composition for a substrate for a magnetic disk and polishing method employing it
07/02/2003EP1324356A1 Magnetoresistive film
07/02/2003EP1324318A2 Lubricant for magnetic recording medium and use therof
07/02/2003EP1324317A1 Information recording medium and information storing device
07/02/2003EP1324316A2 Magnetoresistive element
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