Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
03/2004
03/03/2004EP1394777A1 Servo track writing device and method thereof
03/03/2004EP1394776A1 Method of manufacture and apparatus for a pivot assembly
03/03/2004EP1394775A1 Pivot assembly for hard disk drive use
03/03/2004EP1394774A1 A method of protecting sensitive thin film devices from corrosion and electrostatic discharge
03/03/2004EP1393437A2 Method and apparatus for compensation of second order distortion
03/03/2004CN2605639Y 微型磁盘驱动器 Miniature Disk Drive
03/03/2004CN2605638Y Magnetic disk drive device
03/03/2004CN1479919A Head drum with dynamic gap adjustment
03/03/2004CN1479918A SBB machine and method for HGA mass production
03/03/2004CN1479874A Tunnel junction and charge perpendicular-to-plane magnetic recording sensors and method of manufacturing thereof
03/03/2004CN1479387A Magnetic reluctance element with 'current perpendicular to plane' structure
03/03/2004CN1479304A Method for managing shortage position in data storage medium and recording medium
03/03/2004CN1479302A Controlling medium master mask write machine for generating curve servo sector image
03/03/2004CN1479301A Method and system for managing shortage position in data storage medium
03/03/2004CN1479295A Optical recording playback method and optical recording medium
03/03/2004CN1479288A Commodity introduction method of optical, electric, magnetic, videotape
03/03/2004CN1479277A Method for simultaneous processing two disks of single-sided recorded disk
03/03/2004CN1479276A Vertical megnetic recording medium
03/03/2004CN1479275A Disk drive and method for detecting servo address mark in the disk drive
03/03/2004CN1479274A Method and device for correcting read error by reconery disk drive
03/03/2004CN1140896C GMR magnetic sensor having improved sensitivity of magnetic detection
03/03/2004CN1140895C Storage apparatus
03/03/2004CN1140581C Polyester composition and film made therefrom
03/02/2004US6701465 Method and apparatus for management of defect information in a disk system
03/02/2004US6701060 Enhancing operations of video tape cassette players
03/02/2004US6700856 Optical head, magneto-optical head, disk apparatus and manufacturing method of optical head
03/02/2004US6700761 Magnetic sensor
03/02/2004US6700760 Tunneling magnetoresistive head in current perpendicular to plane mode
03/02/2004US6700759 Narrow track width magnetoresistive sensor and method of making
03/02/2004US6700758 Magnetoresistive effect type of head, manufacturing method of magnetoresistive effect type of head, and information reproducing system
03/02/2004US6700757 Enhanced free layer for a spin valve sensor
03/02/2004US6700756 Spin-valve thin film magnetic element and method of manufacturing the same
03/02/2004US6700755 Spin valve sensor with modified magnetostriction
03/02/2004US6700754 Oxidized copper (Cu) spacer between free and pinned layer for high performance spin valve applications
03/02/2004US6700753 Spin valve structures with specular reflection layers
03/02/2004US6700752 Non-magnetic metallic layer in a reader gap of a disc drive
03/02/2004US6700751 Multi-channel magnetoresistive head device
03/02/2004US6700750 Spin-valve thin film element
03/02/2004US6700749 Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly, manufacturing method of actuator and manufacturing method of head gimbal assembly
03/02/2004US6700748 Methods for creating ground paths for ILS
03/02/2004US6700747 Integrated lead head suspension assembly having an etched laminated load beam and flexure with deposited conductors
03/02/2004US6700746 Disk drive suspension having controlled slider attachment
03/02/2004US6700745 Etched multi-layer suspension assembly
03/02/2004US6700744 Suspension for disc drive
03/02/2004US6700740 Thin-film magnetic head and method of manufacturing same
03/02/2004US6700739 Magnetic head with upper pole of varying cross-sectional thickness
03/02/2004US6700738 Read/write head coil tap having upper and lower portions
03/02/2004US6700737 Recording and reproducing separation type magnetic head having thin part in upper core or magnetic film and magnetic storage apparatus using the same
03/02/2004US6700732 Method and apparatus for a vernier magnetic recording head
03/02/2004US6700731 In-situ linearization of magnetic read/write head transducer position error signal
03/02/2004US6700729 Alignment marks for tape head positioning
03/02/2004US6700728 Method and disk drive for enhanced performance in the presence of stationary PES outliers
03/02/2004US6700727 Slider and method for actively controlling crown curvature
03/02/2004US6700726 Method for controlling air pressure in an evacuated disk drive
03/02/2004US6700724 Contact detection and calibration for electrostatic fly height control in a disc drive
03/02/2004US6700723 Ultrahigh density longitudinal recording on magnetic media
03/02/2004US6700721 Magnetic recording and reproducing apparatus and semiconductor integrated circuit for use in the same comprising a read/write signal processor having an interleave write data generator
03/02/2004US6700720 Ultrafast magnetization reversal
03/02/2004US6700719 Preamp reader design for high resistance read heads
03/02/2004US6700718 VSWR skip write detector
03/02/2004US6700369 Testing apparatus of magnetic recording medium or magnetic head including a plurality of analog-to-digital converters which convert reproduced testing data into digital data
03/02/2004US6700368 Method and program for analyzing characteristics of a magnetic transducer
03/02/2004US6699602 Amorphous magnetic recording medium, process for producing the same and magnetic recording and reproduction apparatus
03/02/2004US6699601 Higher signal to noise ratio and lower manufacturing cost; alloy element is added to reduce the exchange interaction between magnetic particles of the magnetic layer
03/02/2004US6699600 Magnetic recording medium, method of manufacture therefor, and apparatus for magnetic recording and reproducing recordings
03/02/2004US6699588 Medium with a NiNb sealing layer
03/02/2004US6699332 Converting selected portions of nonmagnetic material using focussed radiation beam
03/02/2004US6699102 Lapping monitor for monitoring the lapping of transducers
03/02/2004US6698867 Inkjet printhead having overlapping actuator and drive circuitry
03/02/2004US6698680 Magnetic recording medium winding apparatus and magnetic recording medium winding method
03/02/2004US6698087 Actuator having three bridges
02/2004
02/26/2004WO2004017313A1 Method of recording addresses onto high-density read-only recording medium, a high-density read-only recording medium containing addresses recorded by the method, and reproducing method of the high-density read-only recording medium
02/26/2004WO2004017304A2 Air bearing design with a patch in cavity
02/26/2004WO2003019556A3 Method and apparatus for selecting equalization targets
02/26/2004US20040039760 Monitoring and correcting for non-translational motion in a resonance measurement apparatus
02/26/2004US20040038083 Intermediate film includes at least two layers, i.e., an oxygen- containing layer, or a nonmetallic element-containing layer- contains nitrogen, silicon, or oxygen, and a metallic layer covering the above layer, high recording density
02/26/2004US20040038082 Silicon single crystal substrate having a diameter of 65 mm or less, a thickness of 1 mm or less and surface roughness of 1-1000 nm, an under-plated layer of a metal selected from nickel, copper and silver, and a soft plated magnetic layer
02/26/2004US20040038081 Texturing hard-surfaced, high modulus substrates for magnetic recording media by solgel replication of a textured polymeric surface
02/26/2004US20040038080 Optical recording medium and method for recording data in the same
02/26/2004US20040038078 Underlayer includes first and second non-magnetic, chromium-based layers, one of the layer is chromium alloy layer, and the lattice parameter of the composite underlayer is between the lattice parameter of above 1st and 2nd layer
02/26/2004US20040038077 Bringing a master carrier having magnetic layer, for magnetic transfer into close contact with a slave medium which serves as a magnetic recording medium where the information is to be transferred
02/26/2004US20040037202 Multichannel digital recording system with multi-user detection
02/26/2004US20040037200 Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk
02/26/2004US20040037187 Simultaneous recording and reproduction apparatus and simultaneous multi-channel reproduction apparatus
02/26/2004US20040037015 Electromagnetic transducer laminate, electromagnetic transducer, thin film magnetic head, magnetic head assembly, magnetic reproducing apparatus, and method of manufacturing electromagnetic transducer
02/26/2004US20040037014 Sunken electrical lead defined narrow track width magnetic head
02/26/2004US20040037013 Magneto-resistance effect type head
02/26/2004US20040037012 Recording/reproducing separated magnetic head
02/26/2004US20040037010 Magneto-resistance effect type head
02/26/2004US20040037009 Method and mechanism of the PZT micro-actuator application for the magnetic head gimbal assembly of the hard disk driver
02/26/2004US20040037008 Suspension design for the co-located PZT micro-actuator
02/26/2004US20040037006 Magnetic head slider and magnetic disk apparatus using the same
02/26/2004US20040037005 Magnetic recording medium, production process thereof, and magnetic recording and reporducing apparatus
02/26/2004US20040037004 Recording medium cartridge and recording and reproducing device
02/26/2004US20040037003 Slider head having a sic underlayer
02/26/2004US20040037002 Magnetic head and magnetic storage apparatus
02/26/2004US20040037000 Method, system, and program for generating control signals to perform a seek operation
02/26/2004US20040036998 Disk storage apparatus
02/26/2004US20040036997 Method for writing streaming audiovisual data to a disk drive
02/26/2004US20040036996 System, method, and apparatus for testing a head gimbal assembly