Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
11/2003
11/20/2003US20030214748 Dual stage enclosure for servo track writer utilizing low-density gas
11/20/2003US20030214747 Servo writing method for hard disk drives
11/20/2003US20030214745 Magnetic tape head with thinfilm thermosensors for head-media interface temperature monitoring
11/20/2003US20030214744 Information recorder and its control method
11/20/2003US20030214743 Adjacent track data guarantee processing method and disk device
11/20/2003US20030214742 Magnetic recording apparatus and magnetic recording method
11/20/2003US20030214741 Perpendicular magnetic recording media with an amorphous underlayer
11/20/2003US20030214285 Property evaluating system and method for magnetic material
11/20/2003US20030214004 Spin valve transistor, magnetic reproducing head and magnetic information storage system
11/20/2003US20030213430 Magnetic tape manufacturing apparatus
11/20/2003US20030213118 Method of aerodynamically profiling sliders for disc drives, and aerodynamic sliders
11/20/2003CA2484653A1 Method and apparatus for two dimensional assembly of particles
11/19/2003EP1363286A1 Head slider and method of producing the same
11/19/2003EP1363275A1 Magnetic tape head with thinfilm thermosensors for head-media interface temperature monitoring
11/19/2003EP1363134A2 A magnetic field detection system
11/19/2003EP1362348A1 Enhanced data storage and retrieval devices and systems and methods for utilizing the same
11/19/2003EP0844679B1 Magneto-resistance effect element, magneto-resistance effect type head, memory element, and method for manufacturing them
11/19/2003CN1457493A Disk drive device
11/19/2003CN1457409A Feed screw driver and infromation recorder/reproducer
11/19/2003CN1457042A Magnetic recording unit and magnetic recording media
11/19/2003CN1128455C Magnet powder, sintered magnet, bonded magnet, and magnetic recording medium
11/19/2003CN1128448C Actuating level assembly and disc drive
11/19/2003CN1128441C Memory apparatus
11/19/2003CN1128437C Quick magnetization coversion method, apparatus and magnetizing media
11/18/2003US6650608 Information recording medium, information recording method and information recording apparatus
11/18/2003US6650598 Magnetic head having magnetoresistance device and recording/reproducing apparatus incorporating the same
11/18/2003US6650519 ESD protection by a high-to-low resistance shunt
11/18/2003US6650513 Magnetic devices with a ferromagnetic layer having perpendicular magnetic anisotropy and an antiferromagnetic layer for perpendicularly exchange biasing the ferromagnetic layer
11/18/2003US6650512 GMR coefficient enhancement of a spin valve structure
11/18/2003US6650511 Magnetic head assembly with electrostatic discharge (ESD) shunt/pads seed layer
11/18/2003US6650510 Magnetic head with poles of inductive head above mr head and magnetic shield above inductive head
11/18/2003US6650509 Dual spin valve sensor with AP pinned layers
11/18/2003US6650508 Positioning mechanism for information storage apparatus and carriage
11/18/2003US6650507 Actuator with discrete molded in bumper stop
11/18/2003US6650506 Double-sided disk storage using a single configuration of magnetoresistive head
11/18/2003US6650505 Method and apparatus for improved roll static angle adjustment
11/18/2003US6650503 Inductive write head including a thin high moment pedestal having a tapered edge
11/18/2003US6650502 Thin-film magnetic head capable of narrowing track width and method of manufacturing the same
11/18/2003US6650501 Higher inter-disc separations to improve disc drive actuator servo performance
11/18/2003US6650499 Servo system with learning function for achieving servo compensation in a disk drive
11/18/2003US6650498 Actuator retract circuit for dual speed hard disk drive
11/18/2003US6650497 Recording and/or reproducing apparatus and method for loading a head on a disc-shaped recording medium
11/18/2003US6650496 Fully integrated matrix magnetic recording head with independent control
11/18/2003US6650494 Magnetic write circuit with charge pumping capacitors
11/18/2003US6650493 Pulsed write current adapted for use with a field maintenance current in a data storage device
11/18/2003US6650492 Self-contained disc drive write authentication test
11/18/2003US6650491 System and method for setting a read/write offset and for recovering from data read errors
11/18/2003US6650490 Method for magnetic transfer
11/18/2003US6650112 Magnetics impedance element having a thin film magnetics core
11/18/2003US6649719 Degradable, amorphous, fluorochemical acrylate polymers
11/18/2003US6649549 Polishing; recording disk
11/18/2003US6649277 Structure for and method of making magnetic recording media
11/18/2003US6649254 Compensated crystalline superlattice ferrimagnets
11/18/2003US6649241 Phase-change optical disk
11/18/2003US6648985 Forming a laminate having an antiferromagnetic layer, a ferromagnetic layer, and at the interface between a seed layer comprising a (111) plane of face-centered cubic crystal
11/18/2003US6648453 Ink jet printhead chip with predetermined micro-electromechanical systems height
11/18/2003US6647621 Electrical resistance reduction method for thermosetting conductive epoxy contacts in integrated lead suspensions
11/18/2003US6647613 Method of making a magnetic write head and in-process head structures
11/18/2003US6647612 Method for constructing an ultra-low-flying-height slider
11/13/2003WO2003092350A2 Material and method for improved heat dissipation and mechanical hardness for magnetic recording transducers and other electronic devices
11/13/2003WO2003035919A3 Metal matrix composites of aluminum, magnesium and titanium using silicon hexaboride, calcium hexaboride, silicon tetraboride, and calcium tetraboride
11/13/2003WO2002097968A3 Method and apparatus for compensation of second order distortion
11/13/2003US20030211424 Overcoated with hard masks; sharp profile
11/13/2003US20030211365 Texture surfaces using silica colloid deposits; computer disk drives
11/13/2003US20030211364 Cobalt alloy undercoating; magnetoresistance layer
11/13/2003US20030211363 Multilayer; substrate, magnetic layer and protective coatings
11/13/2003US20030211362 Multilayer; nonmagnetic support, overcoated with ferromagnetic material in polymeric binder with fatty ester and abrasive
11/13/2003US20030211361 Multilayer stacks; variations in thickness of layers
11/13/2003US20030211360 Oxidation, nitriding metal, or alloy thereof; multilayer; variations in electrical resistance
11/13/2003US20030211277 Zone bonded lubrication for hard disk recording media
11/13/2003US20030211275 Method of simultaneous two-disk processing of single-sided magnetic recording disks
11/13/2003US20030210643 Optical information recording medium
11/13/2003US20030210640 High-speed, high-density data storage apparatus employing time-division-multiplexing technique, and data recording method and data reproducing method both using the apparatus
11/13/2003US20030210501 ESD protection for GMR sensors of magnetic heads using SiGe integrated circuit devices
11/13/2003US20030210500 Disc drive inertia latch with a wind vane
11/13/2003US20030210499 Damping of vertical and offtrack dynamic modes gain at the slider in a disc drive
11/13/2003US20030210498 Information-storage media with dissimilar outer diameter and/or inner diameter chamfer designs on two sides
11/13/2003US20030210496 Disk, method for making it free of asperities, and disk drive unit
11/13/2003US20030210495 Tape cassette and information storage device
11/13/2003US20030210494 Magnetic recording head
11/13/2003US20030210491 Magnetic recording unit and magnetic recording medium
11/13/2003US20030210490 Method of and apparatus for preventing generating of off-tracking in hard disc drive
11/13/2003US20030210489 Data eraser and data erasing program
11/13/2003US20030210488 Apparatus for look-ahead thermal sensing in a data storage device
11/13/2003US20030210487 Digital data reproducing apparatus
11/13/2003US20030210486 Method for look-ahead thermal sensing in a data storage device
11/13/2003US20030210300 Inkjet printhead with hollow drop ejection chamber formed partly of actuator material
11/13/2003US20030209421 Positioning disks in carrier with gap between; conveying; removal; replacement
11/13/2003US20030208905 Spring rate adjustment
11/13/2003US20030208901 Design optimization of planar type write heads for ultra high density magnetic recording
11/12/2003EP1361578A1 Method and apparatus for preventing off-tracking in hard disc drive
11/12/2003EP1361568A1 Optical servo track identification on tape storage media
11/12/2003EP1360769A1 Method of converting a series of m-bit information words into a modulated signal
11/12/2003EP1360038A1 Wiping film
11/12/2003EP0858974B1 Glass for information recording medium substrate and glass substrate
11/12/2003EP0847577B1 Multitrack tape device using a movable magnetic head with a planar surface and comprising tape supporting means
11/12/2003CN1455938A Permanent magnet and method for preparation thereof
11/12/2003CN1455930A Suspension, head gimbal assembly, and method of manufacturing nead gimble assembly
11/12/2003CN1455929A Suspension and head gimbal assembly
11/12/2003CN1455928A Head slider with actuator for fine positioning and method of manufacturing the head slider