Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/2002
08/08/2002WO2002043062A3 Head switching control apparatus for a magnetic tape recorder
08/08/2002WO2002031826A3 Method to measure signal decay and a device therefor
08/08/2002US20020106974 Lapping sensor used in fabrication of magnetic head with magnetoresistive effect element and lapping control method using the sensor
08/08/2002US20020106578 Cyclopentanone solvent, polymethylglutarimide and a light absorption dye applied onto a body, heat treated, and covered with a photoresist
08/08/2002US20020106533 Structure and plating method of thin film magnetic head and magnetic storage apparatus
08/08/2002US20020106532 Soft magnetic film having improved resistivity
08/08/2002US20020106497 For cleaning a magnetic head or a running system used in magnetic recording and reproducing apparatus for the audio, the video recorder and the computer
08/08/2002US20020106448 Anti-corrosion characteristic and the input and output characteristic, and is sufficiently durable against cracking
08/08/2002US20020106200 Reproducing apparatus
08/08/2002US20020105897 Chemical monolayer and micro-electronic junctions and devices containing same
08/08/2002US20020105823 Magnetic spin polarisation and magnetisation rotation device with memory and writing process, using such a device
08/08/2002US20020105820 Optical recording medium, recording and reproducing method and storage unit
08/08/2002US20020105762 Rotary head drum apparatus and magnetic recording and playback apparatus
08/08/2002US20020105761 Connector for flexible printed circuit boards, head actuator provided with the same, and disk drive
08/08/2002US20020105760 Wiring member of suspension for disc drive
08/08/2002US20020105759 Magnetic head assembly
08/08/2002US20020105758 Thin film magnetic head
08/08/2002US20020105757 Thin-film magnetic head having metal film formed on gap-depth defining layer, and production method therefor
08/08/2002US20020105756 Thin film magnetic head and method of manufacturng same
08/08/2002US20020105755 Magnetic head
08/08/2002US20020105754 Disk drive apparatus for reducing disk flutter
08/08/2002US20020105752 Magnetic recording medium and magnetic recording/reproducing device
08/08/2002US20020105751 Magnetic disk apparatus and servo signal recording method
08/08/2002US20020105750 Microactuator for dynamic controlling head-media interaction and fly-height
08/08/2002US20020105749 Communications device for non-contact semiconductor memories
08/08/2002US20020105748 Process of dynamically adjusting the operating parameters of a computer storage device according to environmental conditions
08/08/2002US20020105747 Magnetic record writing circuit
08/08/2002US20020105746 Driving circuit for a magnetic head and magnetic recording apparatus
08/08/2002US20020105745 Digital signal recording apparatus
08/08/2002US20020105744 Method of measuring non-linearity in magnetic recording/reproduction, device for magnetic recording/reproduction and LSI for magnetic recording reproduction
08/08/2002US20020105323 Noncontact type magnetic head wear-rate measuring apparatus
08/08/2002US20020105312 Charge pump based negative regulator with adjustable output current to allow reduction of switching noise
08/08/2002US20020104882 Optical data card reader system
08/07/2002EP1229541A2 Method of searching for a boundary position between a recorded region and an unrecorded region of a recording disc, and information recording apparatus
08/07/2002EP1229521A2 Magnetic transfer method and apparatus
08/07/2002EP1228528A1 Magnetic pole fabrication process and device
08/07/2002EP1050042A4 Slider support assembly and method
08/07/2002EP1036392B1 Optical servo system for a tape drive
08/07/2002EP0938728B1 Magnetizable device
08/07/2002CN1363101A Thin permanent-magnet film and process for producing same
08/07/2002CN1363099A Disturbance rejection of mechanical interaction for dual actuator disc drives using adaptive feed-forward servo
08/07/2002CN1363098A Actuator
08/07/2002CN1363094A Recording and/or reproducing apparatus having means for damping vibrations of component part which cooperates with record carrier in form of tape
08/07/2002CN1363087A Repeatable runout compensation using a learning algorithm with scheduled parameters
08/07/2002CN1363086A Disturbance rejection for disc drives using adaptive accelerometer feed-forward servo
08/07/2002CN1363085A Disc drive with actuator arm configured for reduced out-of-phase motion
08/07/2002CN1363084A Magnetic head, method for recording/reproducing tape-like magnetic recording medium and rotary magnetic head mechanism
08/07/2002CN1362705A Magnetic copy-back method and magnetic copy-back device
08/07/2002CN1088917C Magnetoresistive element and sensor
08/06/2002US6430356 Information recording and reproducing apparatus for dubbing an audio-visual digital signal and auxiliary information recorded in a magnetic tape
08/06/2002US6430146 Optical reproducing method
08/06/2002US6430128 Method for reading optical information medium and optical information medium
08/06/2002US6430120 Method and apparatus for providing a resume function for a disc player
08/06/2002US6430114 Self-lubricating layer for a data storage disk
08/06/2002US6430015 Method of fabrication of striped magnetoresistive (SMR) and dual stripe magnetoresistive (DSMR) heads with anti-parallel exchange configuration
08/06/2002US6430014 Multilayer; bias layer of metallic dielectric
08/06/2002US6430013 Magnetoresistive structure having improved thermal stability via magnetic barrier layer within a free layer
08/06/2002US6430012 Multilayer; spin valve
08/06/2002US6430011 Read head with improved lead layers at an air bearing surface
08/06/2002US6430010 Disc drive reader with reduced off-track pickup
08/06/2002US6430009 Magnetic head shield pole with nonmagnetic separation film between transition portion and shield portion
08/06/2002US6430008 Measurement of tape position error
08/06/2002US6430007 Air-activated spindle/disk pack locking system
08/06/2002US6430006 Head assembly and storage device
08/06/2002US6430003 Thin film magnetic head and method of manufacturing same
08/06/2002US6430000 Hermetically sealed plural disk drive housing
08/06/2002US6429999 Pre-assembled voice coil magnetic assembly and rotatable attachment structure/method to base plate for disc drive
08/06/2002US6429997 Speed profile selecting means for a recording and reproducing apparatus
08/06/2002US6429996 Method and apparatus for head-positioning control, for use in a disk drive
08/06/2002US6429995 Position error signal calibration using measured bursts
08/06/2002US6429994 Method and apparatus for providing servo gain linearization for a magneto-resistive head
08/06/2002US6429992 Non-contact type transmission device and rotary magnetic head unit having the non-contact type transmission device and a bias current control section
08/06/2002US6429991 Reducing bias current settling time in magneto-resistive head pre-amplifiers
08/06/2002US6429989 Method for self-servowriting timing propagation
08/06/2002US6429988 System and method for calibrating a corner frequency of a tunable filter using ADC code difference method
08/06/2002US6429987 High speed inductor current driver with minimum overshoot
08/06/2002US6429986 Data storage to enhance timing recovery in high density magnetic recording
08/06/2002US6429984 Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation
08/06/2002US6429690 Programmable linear transconductor circuit
08/06/2002US6429411 Magnetic tape processing method and magnetic tape processing apparatus having an optical system
08/06/2002US6429160 High rigidity glass-ceramic substrate
08/06/2002US6428906 Magnetic recording media having a layered structure for perpendicular magnetization of a recording layer
08/06/2002US6428884 Magnetic recording medium
08/06/2002US6428719 Etching process to selectively remove copper plating seed layer
08/06/2002US6428715 Method for producing sliders
08/06/2002US6428714 Protective layer for continuous GMR design
08/06/2002US6428658 Method for manufacturing magnetic head suspensions and method for inspecting metal substrates for magnetic head suspensions
08/06/2002US6428657 Forming pinning layer structure having reactively sputtered nickel oxide first film that underlies reactively sputtered iron oxide second film interfacing pinned layer of cobalt/iron or cobalt exchange coupled to pinning layer
08/06/2002US6428396 Method of producing a substrate for an information recording medium and method of producing an information recording medium
08/06/2002US6428385 Grinding machine for grinding bar member for magnetic head and method of grinding the same
08/06/2002US6427489 Process for producing glass substrate for information recording medium and process for producing recording medium using said glass substrate
08/06/2002US6427319 Method for protecting magnetic read/write transducers against electrostatic discharge during disk drive manufacturing
08/06/2002US6427317 Method for assembling base and main board assembly for hard drive disk
08/06/2002CA2252926C All-metal, giant magnetoresistive, solid-state component
08/01/2002WO2002059885A1 Positioning control for read and/or write head
08/01/2002WO2002059883A2 Adjustable fly height control using an adjustable head actuator assembly
08/01/2002WO2002059882A2 Method for seed layer removal for magnetic heads
08/01/2002WO2002059880A2 Integrated electrostatic slider fly height control
08/01/2002WO2002059504A1 Feed screw driver and information recorder/reproducer
08/01/2002WO2001099101A3 Method for the production of glass substrates for electronic storage media