Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/2004
10/06/2004EP1465161A2 Apparatus and method for applying write signals for driving a write head
10/06/2004EP1464694A1 Magnetic disk and method of manufacturing same
10/06/2004EP1026684B1 Method of writing tracking servo signal pattern for magnetic disk device
10/06/2004CN1535463A Write head for high anisotropy media
10/06/2004CN1535447A Smart card with rotating magnetic storage disk
10/06/2004CN1535105A Method and device for mounting semiconductor chip
10/06/2004CN1534678A 磁性传感器 Magnetic Sensors
10/06/2004CN1534659A Magnetic disk driver
10/06/2004CN1534657A Writing controlling method and apparatus for disk driver
10/06/2004CN1534644A Light disk and light disk apparatus
10/06/2004CN1534612A Magnetic particle mfg. method, magnetic particle and magnetic recording medium
10/06/2004CN1534611A Magnetic recording medium having writing in auxiliarg layer
10/06/2004CN1534610A Static microactuator with electric insulative movable portion and related driving circuit
10/06/2004CN1534609A Disk apparatus and actuator holding method
10/06/2004CN1534608A Data recording device and magnetic head component element
10/06/2004CN1534607A Magnetic head balancing frame device of hard disk acturtor
10/06/2004CN1534606A Magnetoresistance effect type magnetic head and its mfg. method
10/06/2004CN1534605A Magnetic resistance element, magnetic reproducing head and magnetic reproducing apparatus
10/06/2004CN1534603A Magnetic resistance effect magnetic head and its mfg. method
10/06/2004CN1534602A Film magnetic head sliding plate and electrostatic actuator for driving its magnetic head element
10/06/2004CN1534601A Improved bar cutting methond and device used in magnetic tape nead manufacture
10/06/2004CN1534600A Reproduced signal waveform processor
10/06/2004CN1534599A Method for compensating data recording beginning time and magnetic diskusing the same
10/06/2004CN1170430C Magnetic recording replaying device
10/06/2004CN1170273C Substrate for information recording media
10/06/2004CN1170272C Magnetic head control unit in magnetic disk device
10/06/2004CN1170271C Recording head IC and recording apparatus
10/05/2004US6801414 Tunnel magnetoresistance effect device, and a portable personal device
10/05/2004US6801413 Magnetic sensor, magnetic head and magnetic recording apparatus
10/05/2004US6801412 Method and apparatus for improved pinning strength for self-pinned giant magnetoresistive heads
10/05/2004US6801411 Dual stripe spin valve sensor without antiferromagnetic pinning layer
10/05/2004US6801410 Side flux guide for current perpendicular to plane magnetoresistive transducer
10/05/2004US6801409 Read head shield having improved stability
10/05/2004US6801408 Data storage and retrieval apparatus with thin film read head having a planar sensor element and an extra gap and method of fabrication thereof
10/05/2004US6801407 Thin film magnetic head and method of manufacturing the same
10/05/2004US6801405 Unibody (monocoque) arm design for high performance disc drives
10/05/2004US6801404 Disk drive including a rotary actuator with thermo-conductive coil support element and coil
10/05/2004US6801403 Disk apparatus having inertia latch
10/05/2004US6801402 ESD-protected head gimbal assembly for use in a disk drive
10/05/2004US6801401 Magnetic head device and lead wire
10/05/2004US6801400 Motion limiter for disk drive integrated gimbal suspension
10/05/2004US6801399 Disk device magnetic head slider including a contact pad, a positive pressure pad area, and a squeeze pad area
10/05/2004US6801398 Magnetic head suspension assembly with adhesion limiting structure
10/05/2004US6801397 Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device
10/05/2004US6801396 Substrate independent superpolishing process and slurry
10/05/2004US6801394 Cleaning device for treating the video head and/or rotating drum of a video recorder and/or playback unit
10/05/2004US6801393 Thin-film magnetic head having metal film formed on gap-depth defining layer, and production method therefor
10/05/2004US6801392 Soft magnetic film having high saturation magnetic flux density, thin film magnetic head using the same, and methods of producing the soft magnetic film and the thin film magnetic head
10/05/2004US6801391 Magnetic head with ferrite between nonmagnetic portions and a nonmagnetic gap
10/05/2004US6801390 Stationary head type magnetic recording/reproducing system with flat and bevel slide contact surfaces on transducig head
10/05/2004US6801384 Voltage-constrained sinusoidal seek servo in hard disk drives
10/05/2004US6801383 Method for calibrating a tape media using staggered calibration tracks
10/05/2004US6801380 Acquisition timing loop for read channel
10/05/2004US6801379 Multi-magnetic recording head, and magnetic recording method and magnetic recording apparatus using the same
10/05/2004US6801378 Data recording apparatus and method and data playback apparatus and method
10/05/2004US6801377 Performance test method of head gimbal assembly with precise positioning actuator
10/05/2004US6801376 Method and apparatus for evaluating a head-disk interface condition for disk drives
10/05/2004US6800865 Adhering nanotubes to be used as probe needles to electrode in protruding fashion, adhering base end of nanotube to surface of holder with tip end protruding, irradiating with electron beam to fasten nanotube to holder with coating film
10/05/2004US6800565 Method of forming thin oxidation layer by cluster ion beam
10/05/2004US6800356 Magnetic recording medium
10/05/2004US6800349 Zone bonded lubrication for hard disk recording media
10/05/2004US6800178 Method of making NiFeCo-O-N or NiFeCo-N films for shields and/or poles of a magnetic head
10/05/2004US6800019 Abrasive cloth and polishing method
10/05/2004US6799835 Inkjet printhead chip having drive circuitry for pre-heating ink
10/05/2004US6799365 Disc drive slider has one or more bars with dull ends as a protection feature to prevent contact between peripheral edges of an air bearing surface and a disc surface when the slider is misaligned with the disc surface.
09/2004
09/30/2004WO2004084219A1 System and method for manufacturing a hard disk drive suspension flexure and for preventing damage due to electrical arcing
09/30/2004WO2004084206A1 Method of evaluating optical information medium
09/30/2004WO2004084195A1 Production of nanoparticulate thin films
09/30/2004WO2004084194A1 Magnetic recording medium and its production method
09/30/2004WO2004084193A1 Magnetic recording medium and its manufacturing method, magnetic recorder, and magnetic recording method
09/30/2004WO2004084192A1 Magnetic disk device
09/30/2004WO2004084191A1 Method of manufacturing magnetic head
09/30/2004WO2004084189A2 A constrained implementation of variable data tpi
09/30/2004WO2004061826A9 Intermediate power down mode for a rotatable media
09/30/2004US20040194119 Electro magnetic field generating element, information recording and reproducing head and information recording and reproducing device
09/30/2004US20040193999 Error correction code recording method and recording apparatus using the same
09/30/2004US20040193798 Magnetic disk drive
09/30/2004US20040192175 Polishing pad, method of manufacturing glass substrate for use in data recording medium using the pad, and glass substrate for use in data recording medium obtained by using the method
09/30/2004US20040191700 Stamper and transfer apparatus
09/30/2004US20040191685 Optical recording medium
09/30/2004US20040191578 Perpendicular magnetic recording media; high density recording; magnetron sputtering
09/30/2004US20040191577 Method for manufacturing magnetic recording medium and magnetic recording medium
09/30/2004US20040191576 Overcoating on on nonmagnetic substrate; softness; controlling molecular orientation; protective coaings
09/30/2004US20040191575 Servo pattern formation via transfer of sol-gel layer and magnetic media obtained thereby
09/30/2004US20040191574 Multilayer; on nonmagnetic substrate ; magnetic metallic pigments
09/30/2004US20040191573 Magnetic recording media exhibiting decreased tape dropout performance
09/30/2004US20040191572 UV/EB cured integrated magnets-composition and method of fabrication
09/30/2004US20040191571 perpendicular magnetic recording medium and method of manufacturing it
09/30/2004US20040191570 Magnetic recording media having increased high density broadband signal-to-noise ratio
09/30/2004US20040191557 Method of patterning magnetic products using chemical reaction
09/30/2004US20040191528 Magnetic recording medium
09/30/2004US20040191466 Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus
09/30/2004US20040191465 having on the surface micro projections having a height of 10-20 nm formed by radiation curing a compound having 1-3 hydroxyl groups and 2-5 (meth)acryloyl groups and a cyclic ether compound having an ether group, and two or more curable groups, especially acryloyl groups; ferromagnetic layer
09/30/2004US20040191464 Magnetic recording medium and method of manufacturing magnetic recording medium
09/30/2004US20040190429 Pixel array
09/30/2004US20040190206 Magnetoresistive head and manufacturing method thereof
09/30/2004US20040190205 Thin film magnetic head and method for manufacturing the same
09/30/2004US20040190204 Magnetoresistive element, magnetoresistive head and magnetic reproducing apparatus
09/30/2004US20040190203 Magnetic recording disk drive with continuous contact air-bearing slider
09/30/2004US20040190202 Head-gimbal assembly of hard disk drive