Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/2004
08/12/2004US20040157086 Disk-type magnetic storing device and a method for manufacturing the same
08/12/2004US20040157085 Ferrite thin film, method of manufacturing the same and electromagnetic noise suppressor using the same
08/12/2004US20040157083 Mounting fiber optic coil in a vacuum deposition chamber; reducing air pressure; introducing vapor form of a non-porous material which changes into solid state upon contact with the fiber optic coil, so as to form a conformal coat
08/12/2004US20040157067 Substrate, magnetic sensitive detectors, hard memebrane which is stress releiving exterior; shockproof
08/12/2004US20040157059 Magnetic recording medium
08/12/2004US20040157034 Perpendicular magnetic recording medium and manufacturing method thereof
08/12/2004US20040157033 Magnetic recording medium and magnetic recording device
08/12/2004US20040157006 Method of producing a magnetic disk
08/12/2004US20040156305 Optical recording medium having dual information surfaces
08/12/2004US20040156297 Self-referenced holography using element formed on a holographic medium
08/12/2004US20040156296 Optical recording medium having dual information surfaces
08/12/2004US20040156148 Magnetic recording head with a side shield structure for controlling side reading of thin film read sensor
08/12/2004US20040156147 Magnetic tape apparatus and method for producing the same
08/12/2004US20040156146 Circuit board, disk apparatus and methods of identifying a head IC
08/12/2004US20040156145 Flying head slider capable of avoiding collision when loaded
08/12/2004US20040156144 Air bearing slider for disk drive
08/12/2004US20040156143 Air bearing slider for disk drive
08/12/2004US20040156142 Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head
08/12/2004US20040156140 Recording medium,recording method, and recorder
08/12/2004US20040156137 Timing variance write gate pull
08/12/2004US20040156136 Decoding apparatus and decoding method
08/12/2004US20040156135 Master information carrier for magnetic transfer
08/12/2004US20040154159 Thin-film magnetic head and method of manufacturing same
08/11/2004EP1445765A2 Master information carrier for magnetic transfer
08/11/2004EP1445764A1 Air bearing slider for disk drive
08/11/2004EP1445763A1 Magnetic media with embedded optical servo tracks
08/11/2004EP1445762A1 Method and system for tracking magnetic media with embedded optical servo tracks
08/11/2004EP1445654A2 Double layer patterning and technique for milling patterns
08/11/2004EP1444822A1 Image sensing apparatus including a microcontroller
08/11/2004EP1444377A1 Apparatus
08/11/2004EP1381876B1 Magnetoresistive element and magnetoresistive magnetic head, magnetic recording apparatus and magnetoresistive memory device using the same
08/11/2004EP1135696B1 Disk drive with thermal asperity reduction circuitry using a magnetic tunnel junction sensor
08/11/2004EP1110392B1 Method and apparatus to synthesize and defeat video copy protection signals
08/11/2004CN1519847A Appts. and method for positioning head at target position on disk
08/11/2004CN1519846A Appts. and method with checking and erasing and correcting functions
08/11/2004CN1519845A Error correction method, error correction circuit and information recording and reproducing device
08/11/2004CN1519819A Disk device and magnetic head bearing machanism
08/11/2004CN1519818A Disk device and magnetic head bearing mechanism
08/11/2004CN1519817A Rotary valve type magnetic head and magnetic recorder using such magnetic head
08/11/2004CN1519816A Fabrication of magnetoresistance sensor structure having spacer layer produced by multiple position and oxidation steps
08/11/2004CN1161758C Biaxially oriented laminated polyester film for magnetic recording medium
08/11/2004CN1161757C Sliding support structure of disc machine
08/11/2004CN1161756C Method for examining magnetic head device and deivce for examining such magnetic head device
08/11/2004CN1161755C High stability spin stand platform
08/11/2004CN1161753C Adaptive low-noise current generator and method
08/11/2004CN1161623C Device for automatically measuring resistance
08/10/2004US6775837 Head lifting device and disk apparatus incorporating the same
08/10/2004US6775753 Storage and reproduction apparatus utilizing interrupted operation
08/10/2004US6775219 Data reproduction control method and apparatus, and optical disk unit
08/10/2004US6775111 Trilayer seed layer structure for spin valve sensor
08/10/2004US6775110 Magnetoresistance effect device with a Ta, Hf, or Zr sublayer contacting an NiFe layer in a magneto resistive structure
08/10/2004US6775109 Magnetoresistive sensor with magnetostatic coupling of magnetic regions
08/10/2004US6775108 Magnetic head having a read element shield and substrate with matching coefficients of thermal expansion
08/10/2004US6775107 Head gimbal assembly with precise positioning actuator for head element
08/10/2004US6775106 E-block having improved resonance characteristics and improved fragility
08/10/2004US6775105 Pure torque voice coil motor
08/10/2004US6775104 Actuator arm damper with integrated pre-amplifier
08/10/2004US6775103 Slider head having thermally controlled distal end and assembly with a rotating disc
08/10/2004US6775101 Magnetic head including slider electrically connected to flexure with conductive resin film
08/10/2004US6775100 Laser assisted track width definition and radial control with magnetic recording
08/10/2004US6775099 High gradient-field recording head for perpendicular magnetic recording
08/10/2004US6775098 Magnetic recording head with dielectric layer separating magnetic pole tips extensions from the zero throat coil insulator
08/10/2004US6775092 Lateral tape motion sensor
08/10/2004US6775091 Repeatable run-out compensation for disk drive
08/10/2004US6775090 Adapting logical track addresses in relation to head offsets
08/10/2004US6775089 Electrostatic slider fly height control
08/10/2004US6775088 Vertically-oriented servo track writer and method
08/10/2004US6775087 Method and apparatus to read past EOD marker
08/10/2004US6775086 Magnetic tape apparatus and method for controlling the running of a magnetic tape to stop at a stop position
08/10/2004US6775083 System for improving accuracy of servo pattern timing reference in a disc drive
08/10/2004US6775082 Digital VFO phase control device
08/10/2004US6775081 Servo format for disk drive data storage devices
08/10/2004US6775080 Data access device implemented with open and closed control loops to access data stored in discrete stepwise segments
08/10/2004US6775079 Signal transmission apparatus and signal recording apparatus in which a rotary transformer is used
08/10/2004US6775078 Fast magneto-resistive head open and short detection for both voltage and current bias preamplifiers
08/10/2004US6774626 Device and method for measuring the properties of a magnetic reproducing head
08/10/2004US6774072 Crystallized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass substrate
08/10/2004US6773834 Laminated magnetic recording media with antiferromagnetically coupled layer as one of the individual magnetic layers in the laminate
08/10/2004US6773833 First and second magnetic layers have respective first and second magnetizations in an anti-parallel relationship in a state no substantial writing magnetic field is applied.
08/10/2004US6773826 Multilayer; high density recording; cobalt, chromium alloy
08/10/2004US6773823 Sequential synthesis of core-shell nanoparticles using reverse micelles
08/10/2004US6773802 Has excellent winding properties and processability through the flattening of the flat side and can exhibit excellent electromagnetic conversion characteristics when a magnetic recording medium is formed thereon
08/10/2004US6773789 A radiation-curing resin undercoatings on a support and covering with a magnetic ferromagnetic powder layer; electromagnetics and durability
08/10/2004US6773788 Magnetic recording medium
08/10/2004US6773784 Magnetic disk having ultrathin carbon protective film and magnetic disk apparatus
08/10/2004US6773783 Magnetic recording medium in the form of a disc
08/10/2004US6773782 For hard disc drive
08/10/2004US6773764 Selectively thermally couples a recording medium and a heat source to alter a chemical composition of the recording medium. an apparatus for patterning a recording medium has a heat source for generating and directing an incident thermal
08/10/2004US6773745 Method of producing magnetic recording medium
08/10/2004US6773556 Ferromagnetic thin film; barriers to magnetic reversal without sacrifice in signal-to-medium noise ratio; bombarding with neutral particles or ions having sufficient kinetic energy to dislodge atoms from the crystal lattice, implantation
08/10/2004US6773515 Forming a bottom spin valve sensor element having a synthetic antiferromagnetic (syaf) pinned layer, based on a nickel-chromium magnoresistive enhancing seed layer and a iron tantalum oxide covering layer
08/10/2004US6772507 Method of manufacturing magnetic recording medium
08/10/2004US6772506 Method for detaching swaged components of a disc drive
08/05/2004WO2004066302A1 Head supporting mechanism
08/05/2004WO2004066288A1 Optical storage device and control method
08/05/2004WO2004066279A1 System and method for manufacture of hard disc drive arm and bonding of magnetic head to suspension on a drive arm.
08/05/2004WO2004066108A2 Detection of slider-disk interference using a dynamic parametric test
08/05/2004WO2004066063A2 Disk device, method for controlling disk device, program and recording medium
08/05/2004WO2004065901A1 System and method for calibrating a hard disc drive magnetic head flying height tester by optical interference techniques
08/05/2004WO2004051709A3 Process for obtaining spatially-organised nanostructures on thin films