Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
02/1999
02/09/1999US5870242 Disk apparatus and method of measuring frequency characteristic thereof
02/09/1999US5870241 Method and apparatus for evasive maneuvering to keep DASD heads away from protruding surface defects
02/09/1999US5870239 Magnetic reproduction apparatus provided with a cross talk reduction system
02/09/1999US5870237 Method for variable zone layout for information storage disk drive
02/09/1999US5869988 High speed write driver for inductive heads
02/09/1999US5869963 Thin lamination comprising platinum-manganese alloy film used as antiferromagnetic layer(s) to achieve an exchange anisotropic magnetic field; sensitivity
02/09/1999US5869186 Magnetic recording medium
02/09/1999US5868959 Magnetic pigment having aralkyl phosphonic acid adsorbed onto surface; high saturation magnetization and high surface area
02/09/1999US5868953 Method for manufacturing a magnetic disk substrate
02/09/1999US5868910 Codepositing magnetic material and nonmagnetic metallic material to create homogeneous film comprising magnetic particles in nonmetallic matrix, annealing for time determined by desired particle size
02/09/1999US5868825 Paint used in forming a magnetic recording medium backcoat layer
02/09/1999US5868604 Alumina small particle abrasives,
02/09/1999US5867890 Method for making a thin film merged magnetoresistive read/inductive write head having a pedestal pole tip
02/09/1999US5867889 Double self-aligned insulated contiguous junction for flux-guided-MR or yoke-MR head applications
02/09/1999US5867888 Magnetic head/silicon chip integration method
02/09/1999US5867887 Manufacturing method for magnetic head
02/09/1999CA2206502C Information recording medium and method and apparatus for recording and reproducing information using the same
02/04/1999WO1999005679A1 Positive pressure optical slider having trailing end side pads
02/04/1999WO1999005675A1 Data storage on a storage medium
02/04/1999WO1999005674A1 Fringe field compensation system for multi-track servo recording head
02/04/1999WO1999005673A1 An improved gimbal for a head of a disc drive
02/04/1999WO1999005672A1 Disk drive system, process and components thereof for improved disk stiffness
02/04/1999WO1999005417A1 Hall-current ion source apparatus and method for processing materials
02/04/1999WO1999004909A1 Method and apparatus for zone lubrication of magnetic media
02/04/1999DE19833577A1 Cleaning cartridge for mini-disc player
02/03/1999EP0895353A2 Noise reduction system for an audio system
02/03/1999EP0895237A1 Hard disk drive
02/03/1999EP0894342A1 Geometrically enhanced magnetoresistance in trilayer tunnel junctions
02/03/1999EP0894321A1 Optical disk drive with a plurality of optical heads of different types
02/03/1999EP0894320A1 Thin-film magnetic recording heads and systems and methods for manufacturing the same
02/03/1999EP0894319A1 Thin film tape head with reduced pole-tip recession
02/03/1999EP0765519B1 Direct file access system and reduced rewind data configuration for magnetic tape
02/03/1999CN1206902A Magnetic recording device
02/02/1999US5867353 Off-track PES calibration for a magneto-resistive element
02/02/1999US5867352 Magnetic tape apparatus having a magnetic head with at least one cleaning groove thereon
02/02/1999US5867351 Magnetic disk drive
02/02/1999US5867350 Magneto-resistance effect head with insulated bias conductor embedded in shield groove
02/02/1999US5867349 Drum with fitting lugs for positioning and attaching to a deck
02/02/1999US5867348 Disk drive actuator assembly with rotational imbalance compensation
02/02/1999US5867347 Head suspension with stacked coil microactuator for tracking axis adjustment of a read/write head
02/02/1999US5867343 Method and apparatus for storing position offset information on a hard drive assembly cylinder
02/02/1999US5867342 Tracking servo system for magnetic disc drive with reduced head-settling time
02/02/1999US5867341 Disc drive system using multiple pairs of embedded servo bursts
02/02/1999US5867340 Microminiature hard disk drive with adaptive runout compensation
02/02/1999US5867339 Two channel azimuth and two channel non-azimuth read-after-write longitudinal magnetic head
02/02/1999US5867337 Disk drive of a sector servo system for positioning and controlling a head at a target position on a disk
02/02/1999US5867336 Apparatus and method for rotary head height measurement
02/02/1999US5867334 Magnetic recording device and method using a push-pull amplifier structure and shaping driver circuit
02/02/1999US5867333 Data recording and reproducing apparatus and phase locked loop circuit for use therein including D/A converters acting as charge pumps and a reference voltage source
02/02/1999US5867332 Window margining apparatus with delayed read data single shot (DRDSS) circuit for adjustably delaying a data pulse reproduced from a data storage device
02/02/1999US5867331 Synchronous read channel processing more than one channel sample at a time to increase throughput
02/02/1999US5867330 Reproducing apparatus detecting pilot signals by binary data processing
02/02/1999US5867025 Magnetoresistive spin valve sensor with stepped layers
02/02/1999US5866489 Glass-ceramic substrate for a magnetic disk
02/02/1999US5866227 Magnetic recording medium with partially oxidized seed layer
02/02/1999US5866212 Method of producing magnetoresistive sensor
01/1999
01/28/1999WO1999004390A1 Magnetic recording medium and magnetic recorder/reproducer comprising the same
01/28/1999WO1999004389A1 Data-track edge follower servo method and apparatus
01/28/1999WO1999004058A1 Sheet-form magnetron sputtering device
01/28/1999WO1999003954A1 Lubricant composition, magnetic recording medium, and process for producing magnetic recording medium
01/28/1999WO1999003944A1 Adhesive polyester film and laminated film produced by using it
01/28/1999DE19732065A1 Informationsspeicherung auf einem Speichermedium Information storage on a storage medium
01/27/1999EP0893797A2 Compact tape drive head positioning system
01/27/1999EP0893249A2 Biaxially oriented laminate polyester film
01/27/1999EP0795172B1 Direct access storage device with magneto-resistive transducing head apparatus
01/27/1999EP0793842B1 Hexaferrite materials
01/27/1999CN1206488A Recording/reproducing head, recording/reproducing head positioning mechanism and recorder/reproducer
01/27/1999CN1206428A Aromatic polyamide resin moulding, process for preparing the same, and magnetic recording media prepared using the same
01/27/1999CN1206178A Disc substrate, method and apparatus for manufacturing same
01/27/1999CN1206177A Improved structure of rotary head for use in video recorder
01/27/1999CN1206176A Lapping tape
01/27/1999CN1206175A Exchange bonding film and magneto-resistive effect element and head using the same
01/27/1999CN1041881C Backward compatible hdtv recording/reproducing system
01/26/1999US5864648 Magnetic recording/reproducing apparatus
01/26/1999US5864452 Thin-film magnetic head and method of forming carbon film
01/26/1999US5864451 Magnetic tape head having longitudinal track width restriction grooves
01/26/1999US5864450 NI45FE55 metal-in-gap thin film magnetic head
01/26/1999US5864448 Slider and suspension retention and retraction system for high capacity disk drive
01/26/1999US5864447 Disk drive with stopper mechanism including a cushion member seated on a circumferential groove
01/26/1999US5864446 Head assembly for recording and reproducing including a head supporting part having a protection member
01/26/1999US5864445 Hygrothermal load compensating structures in an integrated lead suspension
01/26/1999US5864442 Reproducing apparatus capable of controlling equalization characteristics
01/26/1999US5864241 Magnetic transducer with wear indicator in a magnetic data storage system
01/26/1999US5863661 Method of enhancing the c-axis perpendicular orientation of barium hexaferrite thin films and barium hexaferrite thin film recording media produced thereby
01/26/1999US5863647 Magnetic tapes, optical photography, capacitors and packaging materials polyester sheet containing fine particles bonded to glycol monomer with improvement of the slipperiness and abrasion resistance
01/26/1999US5863631 Cobalt, chromium, platinum; for magnetic recording disks using magnetorestrictive read head
01/26/1999US5863609 Abrading an amorphous coating of a magnetic disk to produce by melting nickel particles and crystal of nickel phosphide in grooves and on the surface to improve the adhesion of ferromagnetic materials and the magnification thereof
01/26/1999US5863473 Process for producing magnetic recording medium
01/26/1999US5863450 Process for making a plane magnetic head and magnetic head obtained by this process
01/26/1999US5863448 Masking, ion milling lower magnetic pole, forming protective film, polishing, planarizing, etching, electroplating
01/26/1999US5863237 Low speed burnishing of asperities in a disc drive
01/26/1999US5863136 Method of reducing axial runout of a rolling bearing unit and a rolling bearing unit in which axial runout has been reduced
01/21/1999WO1999003172A1 A method of reducing signal coupling in a connector, a connector and a cable including such a connector
01/21/1999WO1999003099A1 Magnetic recording medium comprising multilayered carbon-containing protective overcoats
01/21/1999WO1999002933A1 Coated substrate drying system with magnetic particle orientation
01/21/1999WO1999002584A1 Biaxially oriented polyester film for magnetic recording media
01/21/1999WO1999002469A1 Method of forming a cermet layer on a porcelain substrate
01/21/1999WO1998045837A3 Bearing for supporting a rotatable member in a recording/reproducing apparatus
01/21/1999WO1998044487A3 Method of manufacturing a magnetic head having a structure of layers
01/21/1999CA2295934A1 Coated substrate drying system with magnetic particle orientation