Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
12/2003
12/11/2003US20030228418 Replication of nanoperiodic surface structures
12/11/2003US20030228238 Blending powders; consolidation; powder metallurgy; magnetic recording media
12/11/2003US20030227799 Tunnel magnetoresistive effect element, method of manufacturing tunnel magnetoresistive effect element and magnetic memory device
12/11/2003US20030227734 Bulk degausser with fixed arrays of magnetic poles configured for thick and small form factor, high coercivity media
12/11/2003US20030227725 Side shielded current in plane spin-valve
12/11/2003US20030227724 Synthetic free layer for CPP GMR
12/11/2003US20030227723 CPP GMR device with inverse GMR material
12/11/2003US20030227722 Spin valve sensor with dual self-pinned AP pinned layer structures
12/11/2003US20030227721 Differential gmr head system and method using self-pinned layer
12/11/2003US20030227720 Magnetic head and manufacturing method of the same, and magnetic recording / reproducing apparatus
12/11/2003US20030227719 System and method for damage prevention by improving the shock resistance of a hard disk actuator arm
12/11/2003US20030227718 Suspension and disk unit
12/11/2003US20030227717 Subambient pressure slider with partitioned subambient area
12/11/2003US20030227716 Thin film magnetic head
12/11/2003US20030227715 Head shield for a tape drive
12/11/2003US20030227714 Perpendicular magnetic recording head having a reduced field under the return pole and minimal eddy current losses
12/11/2003US20030227711 Flex circuit bracket which establishes a diffusion path for a data storage device housing
12/11/2003US20030227710 Disc drive cover heat sink
12/11/2003US20030227707 Magnetic disk memory system
12/11/2003US20030227704 Bias circuit for magneto-resistive head
12/11/2003US20030227703 Hard disk drive with application-specific components
12/11/2003US20030227702 Multiple section read/write head for high track density, flexible media storage applications
12/11/2003US20030227701 Method and apparatus for precessional switching of the magnetization of a storage medium using a transverse write field
12/11/2003US20030227661 Driving method
12/11/2003US20030227235 System and method for preventing operational and manufacturing imperfections in piezoelectric micro-actuators
12/11/2003US20030226378 Slurry for and method of texturing surface of glass substrate
12/11/2003CA2485121A1 Multi-layer sheet product
12/11/2003CA2485078A1 Multi-layer carbonless sheet product
12/10/2003EP1369882A1 Magnetoresistance effect film and spin valve reproducing head
12/10/2003EP1369865A2 Head shield for a tape drive
12/10/2003EP1369229A1 Laminated polyester film and magnetic recording medium
12/10/2003EP1368123A1 Penetrable cap
12/10/2003EP1204971B1 Compact optical tracking system for magnetic tape
12/10/2003EP1169707B1 System for protection against copying on magnetic tape recorders
12/10/2003CN1461470A Magnetically recorded data reproduction apparatus and method
12/10/2003CN1460995A 磁盘装置 Disk device
12/10/2003CN1460994A Method and device for completing self-servowrit on magnetic disk drive
12/10/2003CN1460993A Magnetic head and magnetic tape medium recording reproducing device
12/10/2003CN1130695C Magnetic disk and its making method and memory device containing the same
12/10/2003CN1130694C Read/write recording device and head positioning mechanism therefor
12/10/2003CN1130693C Magneto-resistive effect element and storage element
12/09/2003US6662303 Write precompensation circuit and read channel with write precompensation circuit that generates output signals by interpolating between selected phases
12/09/2003US6662248 Recording/reproducing apparatus using an IC memory
12/09/2003US6662069 Slider having independently controlled crown and cross curvature and method of controlling curvature
12/09/2003US6661756 Disklike recording media, a method for detecting forged disks, an anti-forgery system for performing a true-false judgement based on information collected from the recording media, and a manufacturing apparatus for recording information in the disks
12/09/2003US6661744 MSR magneto-optical recording medium, recording and reproducing method therefor, and storage unit using MSR magneto-optical recording medium
12/09/2003US6661703 Magneto-resistance effect film and memory using it
12/09/2003US6661627 Magnetic recording device, method of adjusting magnetic head, and magnetic recording medium
12/09/2003US6661626 Tunnel valve sensor having a pinned layer structure with an iron oxide (Fe3O4) layer
12/09/2003US6661625 Spin-dependent tunneling sensor with low resistance metal oxide tunnel barrier
12/09/2003US6661624 Spin-valve magnetoresistive device having a layer for canceling a leakage magnetic field
12/09/2003US6661623 Magnetic transducer with interlayer thin-film magnetic head and method of manufacturing thereof
12/09/2003US6661622 Method to achieve low and stable ferromagnetic coupling field
12/09/2003US6661621 Compound thin film magnetic head
12/09/2003US6661620 Differential CPP sensor
12/09/2003US6661619 Suspension for disc drive
12/09/2003US6661618 Suspension for disc drive with insulating cover film on piezoelectric element
12/09/2003US6661617 Structure and fabrication process for integrated moving-coil magnetic micro-actuator
12/09/2003US6661616 Head drum assembly and tape drive using the same
12/09/2003US6661615 Apparatus and method for depopulating a disk drive head stack assembly by utilizing an overmolded actuator
12/09/2003US6661614 Magnetless actuator for disc drive
12/09/2003US6661613 Magnetic disk drive
12/09/2003US6661612 Air bearing slider including side rail shallow recessed surfaces extending along trailing portions of leading side air bearing surfaces
12/09/2003US6661611 Funneled trench AAB increased contact stiffness and enhanced take-off performance
12/09/2003US6661610 Evaluation reference tape
12/09/2003US6661608 Structure for mounting a magnetic head to a chassis
12/09/2003US6661607 Method and apparatus for electromagnetic interference reduction in magnetic recording devices
12/09/2003US6661606 Magnetic disk apparatus with magnetic head having upper and lower magnetic cores of an electroplated thin film
12/09/2003US6661605 Transducing head having a reduced thermal pole tip recession
12/09/2003US6661600 Calibration of servo index positions of a magnetic tape employing second order curve fitting
12/09/2003US6661599 Enhanced adaptive feedforward control to cancel once-per-revolution disturbance by shaping the internal mode
12/09/2003US6661598 Calibration method for use in head loading/unloading type disk apparatus
12/09/2003US6661597 Mobile device and disk drive restricted from writing a data storage zone in a mobile environment
12/09/2003US6661594 Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit
12/09/2003US6661593 Servo information detection method and disk apparatus using the same
12/09/2003US6661592 Multiple orientation magnetic information storage
12/09/2003US6661591 Disk drive employing sector-reconstruction-interleave sectors each storing redundancy data generated in response to an interleave of data sectors
12/09/2003US6661590 Efficient analog front end for a read/write channel of a hard disk drive running from a highly regulated power supply
12/09/2003US6661223 Method of testing for response abnormalities in a magnetic sensor
12/09/2003US6660961 SBB machine and method for HGA mass production
12/09/2003US6660886 Lubricants comprise amphiphilic molecules having a central polyfunctional polar group moiety and a pair of fluoroalkyl ether end groups at respective ends of the central moiety
12/09/2003US6660640 Process for planarizing patterned metal structures for magnetic thin film heads
12/09/2003US6660413 Refractory metal or alloy thin film
12/09/2003US6660404 Magnetooptical recording medium including a connection layer that is non-magnetic by itself at room temperature but can be induced to exhibit magnetism when in contact with a magnetic layer
12/09/2003US6660364 Magnetic recording medium
12/09/2003US6660357 Perpendicular magnetic recording media with laminated soft magnetic underlayer
12/09/2003US6660089 Substrate support mechanism and substrate rotation device
12/09/2003US6658922 Optical equipment assemblies and techniques indexed to a common spindle
12/09/2003US6658723 Method for collective production of magnetic heads having a bearing surface with specific height
12/09/2003US6658722 Coating polyamic acids on stainless steel, superimposing thin films of copper, patterning by etching and photolithography, then imidating to form polyimide supports for disk drives
12/04/2003WO2003100773A1 Information recording medium and information storage device
12/04/2003WO2003100772A1 Flex clamp in a disc drive for retaining a voice coil motor magnetic pole on a base
12/04/2003WO2003100771A1 Flex clamp in a disc drive for retaining a voice coil motor magnetic pole on a base
12/04/2003WO2003100289A1 Vibration damping member, device and method
12/04/2003WO2003073445A3 Ampere head with perpendicular magnetic field
12/04/2003US20030226127 Designing method and a manufacturing method of an electronic device
12/04/2003US20030225467 Information recording/reproducing system, music recording/reproducing system, information recorded medium and music recording/reproducing method
12/04/2003US20030224216 Magnetic recording medium and process for producing same
12/04/2003US20030224213 Magnetic recording medium
12/04/2003US20030224212 Magnetic disk having ultrathin carbon protective film and magnetic disk apparatus