Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
04/2002
04/04/2002US20020039261 Head suspension assembly for magnetic disk drives
04/04/2002US20020039260 Twin coil positioner
04/04/2002US20020039259 Magnetic disk device
04/04/2002US20020039258 Magnetic disk apparatus having ramp road structure fixed to stator and method for manufacturing the same
04/04/2002US20020039257 Actuator arm damper with integrated pre-amplifier
04/04/2002US20020039256 Edge structure for slider-disc interface and method of manufacture therefor
04/04/2002US20020039255 Magnetic head and method for producing the same
04/04/2002US20020039254 Perpendicular magnetic recording head and perpendicular magnetic recording apparatus
04/04/2002US20020039253 Magnetic disk device
04/04/2002US20020039252 Finned base airstream conditioning apparatus for a data storage device
04/04/2002US20020039251 Magnetic disk device
04/04/2002US20020039249 Method and apparatus for determining high order polynomials for linearization of position signals
04/04/2002US20020039248 Repeatable run-out error compensation method for a disc drive
04/04/2002US20020039247 Track pitch correction method and apparatus
04/04/2002US20020039246 Variable TPI data recording in hard disc drives
04/04/2002US20020039244 Capacitance skip write detector
04/04/2002US20020038681 Thin magnetic alloy film; tungsten, hafnium, zirconium, tantalanum alloy
04/04/2002US20020038506 Manufacturing method of head arm assembly
04/04/2002CA2423968A1 Data writing and reading
04/03/2002EP1193695A1 Magnetic recording medium and production method thereof
04/03/2002EP1193694A1 Magnetoresistance effect head, method for producing magnetoresistance effect head, and information reproducing device
04/03/2002EP1193693A1 Spin bulb magnetoresistance effect head and compound magnetic head using it and magnetic recording medium drive unit
04/03/2002EP1193692A1 Spin-valve magnetoresistance effect head, composite magnetic head comprising the same, and magnetoresistance recorded medium drive
04/03/2002EP1193691A1 Converter support structure
04/03/2002EP1193274A1 Hydrogenated polymers, resin composition, and process for producing substrate for information-recording medium
04/03/2002EP0777211B1 A magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data
04/03/2002CN1343087A 线路板 PCB
04/03/2002CN1342979A Recording device, recording medium and reproducing device
04/03/2002CN1342973A Recording medium, recording and reproducing method and recording and reproducing device
04/03/2002CN1342971A Process for preparing magnetic head film to prevent decomposition of disk lubricant
04/03/2002CN1082317C Apparatus and method for recording and reproducing digital video data
04/03/2002CN1082272C Fluid bearing device and electric machine using it
04/03/2002CN1082219C Magnetic memory and magnetic recording medium used in same
04/03/2002CN1082218C Disk drive with shock-resistant rotary actuator
04/02/2002US6366433 Large-capacity magnetic disk drive having head load pressure adjustment
04/02/2002US6366432 Actuator arm with tapered trailing edge and recessed head conductor
04/02/2002US6366431 Head supporting arm having laser beam exposing aperture
04/02/2002US6366430 Method and apparatus for improved static angle adjustment
04/02/2002US6366429 Patterned and directional selective roughening of a slider air-bearing surface
04/02/2002US6366428 Thin film magnetic head, a magnetic head device and a magnetic disk driving device
04/02/2002US6366423 Data storage medium having servo pattern of different phase and tracking method thereof
04/02/2002US6366422 Helical scan tape drive error recovery using track profile mapping
04/02/2002US6366421 Adjustable writer overshoot for a hard disk drive write head
04/02/2002US6366420 Method of restoring the orientation of a pinned layer of a magnetoresistive head
04/02/2002US6366419 Method of head disc assembly serial number encoding and retrieval and disc drive apparatus having an encoded head disc assembly serial number
04/02/2002US6366418 Method for reducing data overhead in PRML data channel
04/02/2002US6366417 Mr head read signal preconditioning circuitry
04/02/2002US6366416 Glide test head with active fly height control
04/02/2002US6365534 Glass composition and substrate for information recording media comprising the same
04/02/2002US6365287 Magnetic recording media and magnetic storage device
04/02/2002US6365286 Magnetic element, magnetic memory device, magnetoresistance effect head, and magnetic storage system
04/02/2002US6365261 Magnetic recording medium
04/02/2002US6365061 Multibeam laser servowriting of magnetic data storage media
04/02/2002US6365029 Sputtering electroconductive material on dielectric; forming photoresist pattern
04/02/2002US6365012 Multilayer
04/02/2002US6365010 Process control; deposit material on moving target
04/02/2002US6364964 Manufacturing method of spin valve magnetoresistive effect element and manufacturing method of thin-film magnetic head with the element
04/02/2002US6364961 Spin-valve magnetic head with the pinned layer having different directions for its magnetization axis and its easy axis
04/02/2002US6364743 Composite lapping monitor resistor
04/02/2002US6363599 Method for manufacturing a magnetic disk including a glass substrate
03/2002
03/28/2002WO2002025643A2 Interface component a positioning system and method for designing an interface component
03/28/2002WO2002025642A1 Giant magnetoresistive sensor having self-consistent demagnetization fields
03/28/2002WO2002025641A2 Read-write assembly having air bearing features for contaminant control in flexible media head-disk interface
03/28/2002WO2002025389A1 Digital servo control method, digital servo control device, storage device, and head position control method
03/28/2002WO2002024395A1 Laser processing of alumina or metals on or embedded therein
03/28/2002WO2001099104A3 Head pitch adjustment for disc drive
03/28/2002WO2001095326A3 System and method for terminal short detection
03/28/2002WO2001094658A3 Process for production of fullerene coatings
03/28/2002WO2001091122A3 Flexible air bearing design system with independent profile mapping and height field definition for mask tiers
03/28/2002WO2001084570A3 Magnetic element with insulating veils and fabricating method thereof
03/28/2002WO2001080242B1 Method and apparatus to encode position error signal correction information
03/28/2002WO2001045092A3 Data storage system using synchronization signals incorporating servo information
03/28/2002US20020038191 Data head writer coil testing
03/28/2002US20020037819 Removal polymer residues; mixture of water, alcohol and water soluble amines in solvent
03/28/2002US20020037687 Abrasive article, apparatus and process for finishing glass or glass-ceramic recording disks
03/28/2002US20020037683 Abrasive article suitable for abrading glass and glass ceramic workpieces
03/28/2002US20020037476 Resist pattern forming method, frame plating method and manufacturing method of thin-film magnetic head
03/28/2002US20020037441 Magnetic storage medium having a high recording density
03/28/2002US20020037440 Magnetic recording medium having a magnetic film on a non-magnetic substrate by intercalating an under layer, the proportion of functional groups/100 carbon atoms in a diamond like carbon protective coating composed of carbon exceeds 20%
03/28/2002US20020037439 Multilayer magnetic recording media with columnar microstructure for improved exchange decoupling
03/28/2002US20020037438 Magnetic recording media and magnetic recording -reproducing apparatus using the same
03/28/2002US20020037437 Medium substrate, production method thereof and magnetic disk device
03/28/2002US20020037436 Magnetic recording medium and method of manufacturing same
03/28/2002US20020036878 Magnetoresistive element
03/28/2002US20020036877 Magnetoresistance effect device, magnetic head, magnetic recording apparatus, and memory device
03/28/2002US20020036876 Magnetoresistive element, method for manufacturing the same, and magnetic device using the same
03/28/2002US20020036875 Magnetoresistive head
03/28/2002US20020036874 Magnetoresistive device and method of manufacturing same and thin-film magnetic head and method of manufacturing same
03/28/2002US20020036873 Yoke type reproducing magnetic head, method for fabricating same, and magnetic disk unit
03/28/2002US20020036872 Magnetic head and apparatus for recording/reproducing magnetic information using the same
03/28/2002US20020036871 Recording head and magnetic recording apparatus
03/28/2002US20020036870 Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly and manufacturing method of head gimbal assembly
03/28/2002US20020036869 Base, drum, and drum mounting unit for magnetic recording reproducing apparatus
03/28/2002US20020036868 Magnetless actuator for disc drive
03/28/2002US20020036867 Pure torque voice coil motor
03/28/2002US20020036866 Magnetic disc apparatus
03/28/2002US20020036864 Thin film magnetic head and manufacturing method thereof
03/28/2002US20020036863 Perpendicular magnetic recording head and perpendicular magnetic recording apparatus
03/28/2002US20020036862 Air dam for a disc drive
03/28/2002US20020036860 Method for linearizing microactuator hysteresis for a disc drive