Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
09/2002
09/12/2002US20020124383 Method of fabricating head supporting member
09/11/2002EP1238119A2 Method and apparatus for smoothing thin conductive films by gas cluster ion beam
09/11/2002EP1207530A9 Compound bearing assembly for the swing arm of a hard disc drive
09/11/2002EP1166261B1 Helical scan tape drive error recovery using track profile mapping
09/11/2002CN2510959Y Circuit structure for realizing multiple logicalization of hard disc
09/11/2002CN1369095A PQ enhanced observed based dual stage servo controller
09/11/2002CN1369093A Tray for transporting magnetoresistance effect head for magnetic disk
09/11/2002CN1368722A Magnetic reproducing method
09/11/2002CN1090871C Apparatus and method for recording, apparatus and method for reproducing recording/reproducing method
09/11/2002CN1090796C Method for measuring real space length by camera shooting and optical system correcting method and datum gauge
09/11/2002CN1090792C Disk drive magnetic actuator latch mechanism
09/11/2002CN1090791C Magnetic head suspension and its manufactring method for its deflection support
09/11/2002CN1090789C Radial self-propagation pattern generation for disk file servowriting
09/11/2002CN1090671C Lubricant composition and magnetic recording media using the composition
09/11/2002CN1090665C Magnetic recording binder containing aminoalkylpyhosphonate salt
09/10/2002US6449366 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
09/10/2002US6449135 Overlaid MR structure with magnetostatic stabilized soft adjacent layer
09/10/2002US6449134 Read head with file resettable dual spin valve sensor
09/10/2002US6449133 Magnetoresistance film and magnetic read sensor
09/10/2002US6449132 Dielectric gap material for magnetoresistive heads with conformal step coverage
09/10/2002US6449131 Canted longitudinal patterned exchange biased dual-stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof
09/10/2002US6449130 Head stack assembly enabling independent control of a position of magnetic heads for access to different magnetic disks and support method thereof
09/10/2002US6449129 Disc drive ramp with sharp detent
09/10/2002US6449128 Disk drive with head loading and unloading mechanism
09/10/2002US6449127 Low mass disc drive suspension
09/10/2002US6449126 Negative pressure air bearing slider
09/10/2002US6449123 Methods for marking a sintered product and for fabricating magnetic head substrate
09/10/2002US6449122 Thin-film magnetic head including soft magnetic film exhibiting high saturation magnetic flux density and low coercive force
09/10/2002US6449119 Hard disk drive and air stabilizing wing for use therewith
09/10/2002US6449117 Reducing acoustic noise using a current profile during initial stages of a disc drive seek
09/10/2002US6449116 Compression and storage of written-in error compensation tables in an embedded servo disc drive
09/10/2002US6449115 Memory unit having a plurality of heads controlled by a minimum number of connection lines
09/10/2002US6449114 Magnetic tape apparatus
09/10/2002US6449113 Device for reading magnetic information
09/10/2002US6449112 Tape recorder having a driver circuit for a matrix head
09/10/2002US6449111 Data frame write and read processes
09/10/2002US6449110 Optimizing operation of a disk storage system by increasing the gain of a non-linear transducer and correcting the non-linear distortions using a non-linear correction circuit
09/10/2002US6448766 Method of imaging a magnetic field emanating from a surface using a conventional scanning force microscope
09/10/2002US6447936 Perpendicular recording medium, with a first and second amorphous perpendicular magnetization film having different magnetic anisotropy energy; low read back noise; for high-density magnetic recording
09/10/2002US6447935 Method and system for reducing assymetry in a spin valve having a synthetic pinned layer
09/10/2002US6447849 By ion injection and to a printer head provided in a printer configured for ejecting ink droplets; recording medium for supporting a signal recording layer; electrically conductive thin metal film, pulsed voltage to implant ions in the surface
09/10/2002US6447839 Method of depositing multilayer thin films
09/10/2002US6447689 Protective layer for continuous GMR design using reverse photo mask
09/10/2002US6447652 Thin-film forming method and thin-film forming apparatus
09/10/2002US6447618 Magnetic acicular alloy particles containing iron as a main component
09/10/2002US6447611 Coating apparatus
09/10/2002US6447367 Processing jig
09/10/2002US6446517 Controlled particle deposition in drives and on media for thermal asperity studies
09/10/2002US6446326 Method for manufacturing a hard disk read/write unit, with micrometric actuation
09/10/2002US6446325 Method of making a swagable metal arm tip for a ceramic actuator arm
09/10/2002CA2241028C Mixture comprising pigments having a liquid-crystalline structure with a chiral phase, and its use
09/09/2002WO2002072493A1 Magnetic head-use sealing glass, magnetic head and magnetic recording/reproducing device
09/06/2002WO2002069338A1 Head slider with actuator for fine positioning and method of manufacturing the head slider
09/06/2002WO2002069331A1 A disk-type magnetic storing device and a method for manufacturing the same
09/06/2002WO2002069330A1 Head gimbal assembly
09/06/2002WO2002069329A1 Thin film magnetic tape head and method of manufacturing therefor
09/06/2002WO2002069077A2 Separation of periodic and non-periodic signal components
09/06/2002WO2002042511A3 Method of coating smooth electroless nickel on magnetic memory disks and related memory devices
09/06/2002WO2002031826B1 Method to measure signal decay and a device therefor
09/06/2002WO2001010595A9 Method for manufacturing a magnetic disk comprising a glass substrate
09/05/2002US20020123860 Relation of rotational vibration stimuli to performance of a hard disc drive
09/05/2002US20020122961 Magnetic recording medium which is used in hard disk drive; capable of increasing thermal stability and a signal to noise ratio when recording information
09/05/2002US20020122960 Magnetic recording medium, production process thereof, magnetic recording and reproducing apparatus, and medium substrate
09/05/2002US20020122959 In which the magnetic exchange coupling force in the in-plane direction of magnetic layer is low, transition noise is reduced, and information can be reproduced at high signal to noise ratio
09/05/2002US20020122958 Perpendicular magnetic recording media and magnetic storage apparatus using the same
09/05/2002US20020122957 Magnetic recording medium
09/05/2002US20020122932 Polyester film with surface topography matched to the intended use, the use of the film and process for its production
09/05/2002US20020122339 Magnetic recording medium
09/05/2002US20020122278 Magnetoresistive effect multi-layered structure and thin-film magnetic head with the magnetoresistive effect multi-layered structure
09/05/2002US20020122277 Laser welding for drum base
09/05/2002US20020122276 Method for fabricating a thin film magnetic head and wafer structure
09/05/2002US20020122275 Patterned and directional selective roughening of a slider air-bearing surface
09/05/2002US20020122273 Arm and suspension shroud for a disc drive
09/05/2002US20020122272 Particle removal device in a hard disk drive
09/05/2002US20020122269 Head positioning apparatus and method therfor
09/05/2002US20020122268 Temperature compensated fly height control
09/05/2002US20020122267 Sensor system for disk device using floated head
09/05/2002US20020122266 Method for registering a defect map within a hard disk drive
09/05/2002US20020122265 CMOS DC offset correction circuit with programmable high-pass transfer function
09/05/2002US20020121839 Microactuator, method for making the same, and magnetic head unit and magnetic recording apparatus using the same
09/05/2002US20020121110 Method of manufacturing glass substrate for information recording media and glass substrate manufactured using the method
09/04/2002EP1237156A1 Laser welding for drum base
09/04/2002EP1237153A2 Recording apparatus for optical recording media
09/04/2002EP1237152A2 Head positioning in a disk storage apparatus
09/04/2002EP1237151A2 Detection of abnormal recording
09/04/2002EP1237150A2 Magnetic head of a magnetoresistance type having an underlying layer having a laminated structure of a tungsten-group metal layer formed on a tantalum-group metal layer
09/04/2002EP1236199A1 Long-stroke voice coil linear actuator
09/04/2002CN1367921A Magnetic recording medium and drive for recording medium
09/04/2002CN1367920A Method and apparatus for maintaining servo stability during actuator saturation
09/04/2002CN1367919A Magnetic recorder/reproducer
09/04/2002CN1367483A Tracking error signal detector, information recording device and and adjusting method thereof
09/04/2002CN1367482A Tracking error signal detector, information recording device and adjusting method thereof
09/04/2002CN1090424C Signal reproducing apparatus
09/04/2002CN1090423C Recording mode control method for combined video appliances
09/04/2002CN1090366C Method for recording and/or reproducing data for digital video tape
09/04/2002CN1090365C Rotary driving device and manufacturing method and device therefor
09/04/2002CN1090363C Tape displayer capable of redisplaying and recording simultaneously
09/04/2002CN1090362C Device for optically scanning recording medium
09/04/2002CN1090361C Tracking control method and its device for image recording reappearing device
09/04/2002CN1090360C Single crystal chip melody and speech sound synthesizer