Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
01/2003
01/02/2003EP0928430B1 Multi-layer magnetic tag
01/02/2003EP0906615A3 Method of manufacturing a magnetic head having a structure of layers
01/02/2003EP0706174B1 Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium
01/01/2003CN1388957A Method of manufacturing a magnetic head having a planar coil
01/01/2003CN1388838A Titanium dioxide cobalt magnetic film and its manufacturing method
01/01/2003CN1388092A Process for producing globular ceramic powder, globular ceramic powder and composite materials
01/01/2003CN1097818C 信息记录媒体 The information recording medium
01/01/2003CN1097748C Apparatus and method for preventing advanced photo system camera from magnetic recording errors
12/2002
12/31/2002US6502189 Method and dedicated frame buffer for loop initialization and responses
12/31/2002US6501726 Magnetic coil actuator
12/31/2002US6501720 Apparatus for recording and/or reproducing information and/or from optical information record disk
12/31/2002US6501713 Apparatus for recording and/or reproducing information and/or from optical information record disk
12/31/2002US6501678 Magnetic systems with irreversible characteristics and a method of manufacturing and repairing and operating such systems
12/31/2002US6501627 Spin-valve magnetoresistive head, and composite-type magnetic head and magnetic recording medium drive using the same
12/31/2002US6501626 Read head with a combined second read gap and pinning layer for a top spin valve sensor
12/31/2002US6501625 Disk drive suspension with multi-layered piezoelectric actuator controlled gram load
12/31/2002US6501624 Multiple zone data storage system and method
12/31/2002US6501623 Method for assembling an actuator device for a hard disk, comprising a read/write transducer, a microactuator, and a suspension, and the actuator device thus obtained
12/31/2002US6501622 Head slider capable of improving shock resistance of recording disk drive
12/31/2002US6501621 Air bearing slider having improved take-off velocity
12/31/2002US6501619 Inductive magnetic recording head having inclined magnetic read/write pole and method of making same
12/31/2002US6501618 Thin film magnetic head including an antireflection film
12/31/2002US6501613 Generalized Fourier seek method and apparatus for a hard disk drive servomechanism
12/31/2002US6501611 Data recovery apparatus, method and memory medium for a magnetic memory read/write channel
12/31/2002US6501610 Detecting circuit for read signal from magnetic recording system using partial response
12/31/2002US6501609 Method and apparatus for driving actuator of storage disk device
12/31/2002US6501608 Servo area numbering strategy for computer disk drives
12/31/2002US6501607 Channel quality monitor (CQM) for digital peak detection (DPD)
12/31/2002US6501606 Fly height control for a read/write head over patterned media
12/31/2002US6501210 Positioning mechanism having elongate bending elements oriented perpendicular to the direction of movement
12/31/2002US6501143 Spin-valve transistor
12/31/2002US6501048 Slider having thermally applied tensile stress for curvature control and method of applying tensile stress
12/31/2002US6500676 Methods and apparatus for depositing magnetic films
12/31/2002US6500613 Isolated pneumococcal surface protein c, pspc, of strepto-coccus pneumoniae having alpha-helical, proline rich and repeat regions
12/31/2002US6500570 Multilayer; antiferromagnetic layer, magnetic layer, nonmagnetic layer
12/31/2002US6500567 Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same
12/31/2002US6500551 Magnetic recording medium
12/31/2002US6500530 Magnetic recording medium
12/31/2002US6500497 Method of magnetically patterning a thin film by mask-controlled local phase transition
12/31/2002US6500491 Coating method
12/31/2002US6500484 Magnetic recording media
12/31/2002US6500351 Process for producing magnetic recording head poles utilizing sputtered materials and a recording head made thereby
12/31/2002US6500011 Flexure blank and method of manufacturing the same
12/31/2002US6499659 Pulse shaping for a transformer coupled read/write recording device
12/31/2002US6499211 Holding tray
12/31/2002US6499210 Method of accurately and easily mounting a drive motor to a frame member in assembling a disk drive for driving a flexible disk
12/31/2002CA2289319C Magnetic code reading device and magnetic code reading method
12/31/2002CA2173647C Process for preparing x-ray amorphous and nanocrystalline metal powders
12/31/2002CA2115771C Program directory for a video tape cassette
12/27/2002WO2002103687A2 Method of making a magnetic head
12/27/2002WO2002102919A1 Polishing slurry for use in texturing surface of glass substrate and method
12/26/2002US20020197936 Method of burnishing a burnishable rear pad slider in a disk drive
12/26/2002US20020197516 Magnetic recording disk
12/26/2002US20020197515 Magnetic recording medium and manufacturing method thereof
12/26/2002US20020197514 Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
12/26/2002US20020197513 Having excellent head contact and output suitable for high data transfer rates and having excellent high-speed sliding durability suitable for high-density recording.
12/26/2002US20020197437 Glass substrate for magnetic recording media and manufacturing method thereof
12/26/2002US20020197395 Method and apparatus of producing magnetic recording medium
12/26/2002US20020196712 Magneto-optical recording medium, and method and apparatus for producing the same
12/26/2002US20020196658 Magnetic recording element, magnetic memory, magnetic recording method, method for a fabricating a magnetic recording element, and method for a fabricating a magnetic memory
12/26/2002US20020196608 Heat dissipator for optical writing and/or reproducing apparatus
12/26/2002US20020196591 Method of depositing thin films for magnetic heads
12/26/2002US20020196590 Spin-valve thin film magnetic element and thin film magnetic head
12/26/2002US20020196589 Spin valve sensor with a metal and metal oxide cap layer structure
12/26/2002US20020196588 High resistance dual antiparallel (AP) pinned spin valve sensor
12/26/2002US20020196587 Swing actuator method of manufacturing the swing actuator, and arm positioning device
12/26/2002US20020196586 Magnetic-head supporting mechanism
12/26/2002US20020196585 Head slider and disk drive apparatus
12/26/2002US20020196584 Magnetic head, manufacturing method thereof, head gimbal assembly using the magnetic head, and hard disk device using the magnetic head
12/26/2002US20020196583 Method of making a spin valve sensor with a controlled ferromagnetic coupling field
12/26/2002US20020196581 Flow conditioning apparatus for a disc drive
12/26/2002US20020196578 Apparatus and method for performing seek-servo routine of hard disk drive
12/26/2002US20020196577 Method and circuit for sensing back EMF
12/26/2002US20020196576 Burst position error data write method and magnetic disk unit
12/26/2002US20020196575 Method and circuit for providing velocity-controlled head loading or unloading
12/26/2002US20020196574 System and method for reducing the accumulation of actuator bearing grease in hard disk drives
12/26/2002US20020196573 Magnetic write circuit with pulse mode power supply
12/26/2002US20020196572 Systems and methods for removing data stored on long-term memory devices
12/26/2002US20020196571 System for improving accuracy of servo pattern timing reference in a disc drive
12/26/2002US20020196570 Disk device and method of generating signal representing head
12/26/2002US20020195476 Head assembly of a disk apparatus having a head IC chip mounted on a suspension by ultrasonic bonding
12/26/2002US20020194789 Polishing composition
12/25/2002CN1387195A Magnetic recording element, magnetic memory, magnetic recording method, and method for mfg. magnetic recording element and method for mfg. magnetic memory
12/25/2002CN1387183A Method for cleaning main carrier
12/25/2002CN1387182A Main carrier for magnetic copying
12/25/2002CN1387181A Magnetic copying method
12/25/2002CN1387180A Magnetic copying method
12/25/2002CN1097264C Magnetic head positioning control system for magnetic disc drive and magnetic disc drive
12/25/2002CN1097258C Non-magnetic matrix and magnetic head using same
12/25/2002CN1097234C System and method for use difinition of data storage device physical format
12/25/2002CN1097018C Apparatus for processing magnetic tapes
12/24/2002US6499082 Method of transferring data from large capacity data storage device
12/24/2002US6499022 Method and apparatus for optimization of servo parameter values in a data storage device
12/24/2002US6498707 Giant magnetoresistive sensor with a CrMnPt pinning layer and a NiFeCr seed layer
12/24/2002US6498706 Dual driving unit for a magnetic head carriage assembly and magnetic disk drive
12/24/2002US6498705 Electrical connection arrangement for a magnetic head of a floppy disk drive
12/24/2002US6498704 Disk drive with viscoelastic damper disposed between adjacent load beams
12/24/2002US6498703 Inertial spring latch assembly in a disc drive
12/24/2002US6498702 Magnetic head supporting apparatus having thermally insulated read/write IC mounted on arm portions thereof
12/24/2002US6498701 Method of channeling accumulated disc lube off of recording head sliders