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)
10/2003
10/28/2003US6639762 Spin valve thin-film magnetic device having free magnetic layer in ferrimagnetic state and manufacturing method therefor
10/28/2003US6639761 Micro-actuator damping and humidity protection
10/28/2003US6639760 Compliant worm gear and worm gear bracket
10/28/2003US6639759 Electromagnetic linear actuator comprising a fixed portion, a movable portion, a single guide shaft and a position sensor, and a tape drive using the electromagnetic linear actuator
10/28/2003US6639758 Disk drive apparatus including a load/unload ramp with different angles for standard and depopulated versions
10/28/2003US6639757 Heat dissipation structures for integrated lead disk drive head suspensions
10/28/2003US6639756 Magnetic head having raised element and magnetic head apparatus using the same
10/28/2003US6639755 Dual center pad air bearing for improved flyability and alumina sensitivity
10/28/2003US6639754 Perpendicular magnetic recording head and perpendicular magnetic recording apparatus
10/28/2003US6639753 Method of forming a head assembly, a head assembly, and a linear tape drive
10/28/2003US6639750 Head loading/unloading control method and storage device
10/28/2003US6639749 Supplying power from a spindle motor in a disc drive system
10/28/2003US6639748 Disk drive that discerns the polarity of a head signal from a sync mark to enhance data detection
10/28/2003US6639747 Signal recording and reproducing method and signal recording and reproducing unit
10/28/2003US6639746 Method and apparatus for recording/reproducing multi-channel data
10/28/2003US6639411 Microactuated suspension motor failure detection system
10/28/2003US6639400 Method and apparatus for measuring magnetic head
10/28/2003US6639373 Driver circuit for a voice coil motor in a disk drive system
10/28/2003US6638836 Process for manufacturing a group comprising at least two elements, one whereof includes an encapsulated micro-integrated structure, and thereby obtained group
10/28/2003US6638691 Method for fabricating plate type magnetic resistance sensor chip element
10/28/2003US6638670 Etching photoresist layers formed on substrate surfaces having magnetoresistive thin films to form magnetic recording media such as magnetic heads
10/28/2003US6638648 First intermediate layer having face-centered cubic structure and containing non-magnetic elements excluding platinum, magnetic recording layer containing cobalt, chromium and platinum having hexagonal close-packed structure
10/28/2003US6638647 Large vertical magnetic anisotropic energy; large coercive force vertical to film surface
10/28/2003US6638622 Perfluorinated polyethers with metal carboxylate end groups as anti-wetting and corrosion-protective agents
10/28/2003US6638608 Protection overcoat for recording media
10/28/2003US6638599 Ferromagnetic particles
10/28/2003US6638596 Thin film magnetic head using soft magnetic film having soft magnetic characteristics of high resistivity, low coercive force, and high saturation magnetic flux density
10/28/2003US6637870 Ink jet head, method of manufacturing ink jet head, and printer
10/28/2003US6637653 Method of measuring coercive force of a magnetic card
10/23/2003WO2003088219A1 Powder for sublayer of coating type magnetic recording medium and magnetic recording medium comprising the same
10/23/2003WO2003088218A1 Powder for sublayer of coating type magnetic recording medium
10/23/2003WO2003088217A1 Vertical magnetic recording medium, method for producing the same and magnetic recorder
10/23/2003WO2003088216A1 Magnetic alignment marking of hard disks
10/23/2003WO2003088215A1 Method and apparatus for maintaining alignment of a hard disk micro-actuator and magnetic head with respect to a drive arm's suspension during the curing process of a bonding agent used in their coupling
10/23/2003WO2003086660A1 Magnetic nanoparticles having passivated metallic cores
10/23/2003WO2003044780A3 Appliance for recording or playing back information having means for detecting or moving the scanning location on a disc with a wobble track
10/23/2003US20030200041 In-situ stripe height calibration of magneto resistive sensors
10/23/2003US20030199680 For orientation-determining film formed on non-metallic substrate
10/23/2003US20030199233 Multilayered film developing a magnetoresistive effect, which is present between an upper shielding layer and a lower shielding layer both formed above an AlTiC substrate, a recess for defining the lower shielding layer is formed in an
10/23/2003US20030198836 Nonmagnetic alloy layer is deposited to mask heterogeneities introduced by pre-polishing; cold working; disk drives
10/23/2003US20030198835 Comprises glass substrate with layer of platinum formed over layer of titanium, with multilayer magnetic stack over the platinum layer; disk drives; magnetic tapes
10/23/2003US20030198834 High modulus and high damping plastic composite disc substrate for improved servo control by injection and co-injection molding
10/23/2003US20030198833 Produced by exposing photoresist film formed on base disk with laser or electron beam modulated with information while rotating, developing the films having relief/recess pattern, then etching/molding
10/23/2003US20030198832 Magnetic recording medium exhibiting low noise and high coercive force
10/23/2003US20030198811 Non-magnetic composite particles, process for producing the same and magnetic recording medium using the same
10/23/2003US20030198459 Interleave mode for helical scan recording
10/23/2003US20030198169 Data reproduction control method and apparatus, and optical disk unit
10/23/2003US20030198159 Optical recording medium having recording capacity information and method for indicating recording capacity
10/23/2003US20030198156 Information recording medium and reproducing apparatus therefor
10/23/2003US20030198146 Heat assisted magnetic recording head with multilayer electromagnetic radiation emission structure
10/23/2003US20030197988 Magnetic sensing element
10/23/2003US20030197987 CPP magnetic sensing element
10/23/2003US20030197986 GMR spin valve structure using heusler alloy
10/23/2003US20030197985 Method and apparatus for improved pinning strength for self-pinned giant magnetoresistive heads
10/23/2003US20030197984 Magnetoresistive element and magnetic memory device
10/23/2003US20030197983 Oxidation resistance; prevent diffusion of silver during sintering, annealing and etching; magnetic recording media
10/23/2003US20030197982 Magnetic head and magnetic recording/reproduction device
10/23/2003US20030197981 Spin valve type transducer capable of reducing reproducing gap
10/23/2003US20030197980 Voice coil motor with shielded coil portion
10/23/2003US20030197979 Magnetic disk device and magnetic head slider
10/23/2003US20030197978 Magnetic head slider having protrusions provided on the medium-facing surface and manufacturing method therefor
10/23/2003US20030197976 Perpendicular magnetic recording head with improved write field gradient
10/23/2003US20030197973 Recording/reproducing apparatus with reduced number of guides posts
10/23/2003US20030197972 Control system for a data storage device with constraint
10/23/2003US20030197971 Adaptive index reference position qualification in a disc drive
10/23/2003US20030197969 Controlling low frequency track shape errors in hard disc drives employing self-propagated servo track writing
10/23/2003US20030197968 Bi-directional servo track writing to minimize sidewall writing at high skew angles
10/23/2003US20030197966 Digital information reproducing apparatus using rotary magnetic heads
10/23/2003US20030197964 Disk device and disk medium
10/23/2003US20030197963 Method of allowing point-in-time view of data on a disk
10/23/2003US20030197854 Method for the rapid measurement of magnetoresistive read head dimensions
10/23/2003US20030197505 Magnetoresistance effect element and method for producing the same, and magnetoresistance effect type head, magnetic recording apparatus, and magnetoresistance effect memory element
10/23/2003US20030196477 Acoustic wave sensor apparatus, method and system using wide bandgap materials
10/23/2003US20030196317 Method of manufacturing a magnetic head
10/23/2003US20030196316 Method for manufacturing magnetoresistive element
10/23/2003US20030196315 Method and apparatus for electrically and physically coupling a micro-actuator and slider to a hard drive arm suspension for component replacement after detachment from the suspension
10/22/2003EP1355312A2 Disk device and disk medium
10/22/2003CN2582102Y Magnetic column hard disc
10/22/2003CN1451162A Microacturator assisted seek and hysteresis correction method and apparatus for a disc drive
10/22/2003CN1451159A Magnetic recording medium and magnetic recording apparatus
10/22/2003CN1451158A Bynamically symmetric actuator
10/22/2003CN1451157A Integrated on-board device and method for the protection of magnetoresistive heads from electrostatic discharge
10/22/2003CN1450952A Polyester film and process for producing the same
10/22/2003CN1450573A Method for preparing composite nano crystal magnetic recording material
10/22/2003CN1450540A Optical recording medium and method for optically recording information in same
10/22/2003CN1450530A Actuator latch apparatus for hard disc driver
10/22/2003CN1450486A Magnetic head for magnetic reader
10/22/2003CN1125462C Bearing mechanism for magnetic head
10/22/2003CN1125461C Magnetic head apparatus and recording and/or reproducing apparatus of disk-like recording medium
10/22/2003CN1125441C Laser texturing recording medium with a random signal driven modulator
10/22/2003CN1125440C Magnetic memory drive and optical device
10/22/2003CN1125439C Method for manufacturing magnetic head
10/22/2003CN1124995C Method of producing glass substrate for information recording medium
10/21/2003US6636985 Disk storage device and a method for processing defective sectors in a disk storage device
10/21/2003US6636844 Method and apparatus for producing a file name in an image manipulating system having a memory device in which a file name and a second train of characters is provided wherein a file number is automatically generated by incrementing a file number previously assigned and stored in memory
10/21/2003US6636472 Laser drive unit and information recording/reproducing apparatus
10/21/2003US6636460 Thermally-assisted magnetic recording method and thermally-assisted magnetic recorder
10/21/2003US6636400 Magnetoresistive head having improved hard biasing characteristics through the use of a multi-layered seed layer including an oxidized tantalum layer and a chromium layer
10/21/2003US6636399 Magnetoresistance effect device, magnetic head therewith, magnetic recording/reproducing head, and magnetic storing apparatus
10/21/2003US6636398 Magnetoresistive effect sensor, thin-film magnetic head with the sensor, manufacturing method of magnetoresistive sensor and manufacturing method of thin-film magnetic head
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