Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
04/2004
04/07/2004CN1487503A Method and system for vibrating compensation basedon rotary speed calculation magnetic disc driving device
04/07/2004CN1487502A Sagnetic head universal-joint assembly with low-cost
04/07/2004CN1487501A Magnetic detection sensor
04/07/2004CN1145151C Disc laser-graining apparatus
04/07/2004CN1145150C Data stream recording/reproducing apparatus, recording reproducing method and recording medium
04/07/2004CN1145149C Method for moving control magnetic head in magnetic disc driver equipment and servo circuit
04/07/2004CN1145148C Multipiece intergrated suspension assembly for a magnetic storage system and its producing method, and its storing method
04/07/2004CN1145147C Suspension system, magnetic disc driver, magnetic head/universal joint assembly and flexiable parts
04/07/2004CN1145146C Anti-parallel pinned read magnetic head and its producing method
04/07/2004CN1145145C Soft magnetic film and magnetic head with the same
04/06/2004US6718120 Magnetic recording and reproduction method and apparatus
04/06/2004US6717816 Shock absorbing apparatus for internal component assembled within electronic apparatus
04/06/2004US6717780 Magnetoresistive device and/or multi-magnetoresistive device
04/06/2004US6717779 Magnetoresistive head and manufacturing method therefor
04/06/2004US6717778 Spin-valve giant magnetoresistive head and method of manufacturing the same
04/06/2004US6717777 Magnetic device with porous layer and method for manufacturing the same, and solid magnetic memory
04/06/2004US6717776 Adjustable fly height control using an adjustable head actuator assembly
04/06/2004US6717775 Integrated latch/voice-coil-motor magnet assembly
04/06/2004US6717774 Information recording and reproducing apparatus with an air force latch mechanism
04/06/2004US6717773 Airflow assisted ramp loading and unloading of sliders in hard disk drives
04/06/2004US6717772 Magnetic head slider having protrusions provided on the medium-facing surface and manufacturing method therefor
04/06/2004US6717770 Recording head for applying a magnetic field perpendicular to the magnetizations within magnetic storage media
04/06/2004US6717765 Method and circuit for sensing back EMF
04/06/2004US6717764 Method and apparatus for head fly height measurement
04/06/2004US6717763 Power savings method and apparatus for disk drives
04/06/2004US6717761 Recording/reproducing apparatus
04/06/2004US6717760 Magnetic disk drive
04/06/2004US6717759 Hindering PTP in a hard disk
04/06/2004US6717419 Liquid dielectric capacitor for film thickness mapping
04/06/2004US6717068 Circuit board capable of preventing electrostatic breakdown and magnetic head using the same
04/06/2004US6716755 Composition and method for planarizing surfaces
04/06/2004US6716644 Method for forming MRAM bit having a bottom sense layer utilizing electroless plating
04/06/2004US6716543 Magnetic recording medium and method for producing same
04/06/2004US6716542 Sputtering target for production of a magnetic recording medium
04/06/2004US6716537 Magnetoresistive element having multilayered film capable of effectively conducting a detecting current for detecting external magnetic field and method for making the same
04/06/2004US6716521 Polyester composition, film made thereof, and magnetic recording medium
04/06/2004US6716516 Magnetic recording medium and magnetic recording apparatus using the same
04/06/2004US6716515 Castellation technique for improved lift-off of photoresist in thin-film device processing and a thin-film device made thereby
04/06/2004US6715318 Glass substrate for information recording media and manufacturing method thereof
04/06/2004US6715200 Methods for making data storage media
04/01/2004WO2004027763A2 Multitrack readback and multiuser detection for disk drives
04/01/2004WO2004027762A1 Magnetic recording medium and magnetic storage apparatus
04/01/2004WO2004027761A1 Spin stand having hydrodynamic bearing motor and head/disc test device
04/01/2004WO2004027760A1 Spin stand and head/disc test device
04/01/2004WO2004027566A2 Multichannel digital recording system with multi-user detection
04/01/2004US20040063564 For use in information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD or of an optical communication device
04/01/2004US20040063370 Abrasive sheet for texturing and method of producing same
04/01/2004US20040063223 Spacer integration scheme in MRAM technology
04/01/2004US20040062953 Suitable for high-density magnetic recording
04/01/2004US20040062938 Multilayer; reflection layer with fixed magnetism, then storage layer
04/01/2004US20040062503 Planar waveguide for heat assisted magnetic recording
04/01/2004US20040062177 Read head for ultra-high-density information storage media and method for making the same
04/01/2004US20040062153 Information recording medium and information recording and reproducing slider
04/01/2004US20040062152 Device for writing data to a recording medium and method of fabricating same
04/01/2004US20040061988 Thin film magnetic head and method of manufacturing the same
04/01/2004US20040061987 Self-stabilized giant magnetoresistive spin valve read sensor
04/01/2004US20040061986 Thin-film magnetic head
04/01/2004US20040061985 Apparatus and method for reduction of side reading effects in lead-overlay and exchange-tab structures
04/01/2004US20040061984 Magnetoresistive magnetic sensor and magnetic storage apparatus
04/01/2004US20040061983 Magnetic tunnel junction device with bottom free layer and improved underlayer
04/01/2004US20040061982 Giant magnetoresistance (GMR) read head with reactive-ion-etch defined read width and fabrication process
04/01/2004US20040061980 Magneto-resistance effect element
04/01/2004US20040061979 Self aligned magnetoresistive flux guide read head with exchange bias underneath free layer
04/01/2004US20040061978 Differential detection read sensor, thin film head for perpendicular magnetic recording and perpendicular magnetic recording apparatus
04/01/2004US20040061977 Method and apparatus for enhanced dual spin valve giant magnetoresistance effects having second spin valve self-pinned composite layer
04/01/2004US20040061976 Thin-film magnetic head, method for producing the same and magnetic disk device having a slider using the same
04/01/2004US20040061975 Suspension damping method with minimum impact on preload stiffness
04/01/2004US20040061974 Slider basecoat for thermal PTR reduction
04/01/2004US20040061973 Perpendicular magnetic recording head having a flux focusing main pole
04/01/2004US20040061972 System and method for a minimum fly height flat-type recording head
04/01/2004US20040061970 System and method for storing information in a disk drive
04/01/2004US20040061969 Method and structure for operating high density hard disk drive head using piezo electric drive
04/01/2004US20040061968 Writing distinct servo patterns on individual transducers according to transducer read/write head characteristics in a data storage device
04/01/2004US20040061967 Disk drive bi-directional servo track write method and apparatus
04/01/2004US20040061966 Precise positioning of media
04/01/2004US20040061965 Hard disk drive having hole cover for blocking electromagnetic wave
04/01/2004US20040061964 Method and apparatus for turbo coding and decoding in a disk drive
04/01/2004US20040061632 Data recovery
04/01/2004US20040061590 Magneto-resistance effect element and reproducing head
04/01/2004US20040061090 Permanent magnet and method for preparation thereof
04/01/2004US20040060167 Method of manufacturing head gimbal assemblies, actuators and disk drives by removing thermal pole-tip protrusion at the spin stand level
04/01/2004US20040060166 Spin valve head having lead overlay
04/01/2004US20040060165 Thin film magnetic head and method of manufacturing the same
04/01/2004US20040060163 Method of making a monolithic maganetic read-while-write head apparatus
03/2004
03/31/2004EP1403886A2 Ferrite thin film, method of manufacturing the same and electromagnetic noise suppressor using the same
03/31/2004EP1403875A2 Magnetoresistive element and magnetic memory allowing high density
03/31/2004EP1403864A2 Electronic apparatus and shockproof method
03/31/2004EP1403856A2 Pivot assembly
03/31/2004EP1403717A1 Resist pattern thickening material, process for forming resist pattern, and process for manufacturing semiconductor device
03/31/2004EP1403648A1 Magnetic sensor
03/31/2004EP1169698B1 Asymmetry compensation for magnetoresistive sensor
03/31/2004EP0842754B1 Aromatic polyamide film, method of manufacturing the same and magnetic recording medium using the same film
03/31/2004EP0576680B1 Magnetic head assembly, its manufacture, and magnetic disc device
03/31/2004CN1486487A Processing method and apparatus of hard disk medium surface in such operations as dynamic electronic test
03/31/2004CN1486234A 擦拭膜 Wipe the film
03/31/2004CN1485817A Lens barrel having a linear guide mechanism
03/31/2004CN1485816A Changeable partition method of disk drive
03/31/2004CN1144456C Device and method for digital data recording/rendition
03/31/2004CN1144219C Head position control for disk drive which performs recording about rotational center even if recorded servo information is eccentric
03/31/2004CN1144218C Twin coil rotating activator