Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/2000
08/30/2000EP1032131A2 Method and apparatus to drive the coil of a magnetic write head
08/30/2000EP1032130A2 Method and apparatus to drive the coil of a magnetic write head
08/30/2000EP1031974A1 An optical disk reproduction apparatus
08/30/2000EP1031968A2 Information recording medium
08/30/2000EP1031966A1 Magnetic recording medium
08/30/2000EP1031965A1 Micrometric actuation, hard disk read/write unit
08/30/2000EP1031955A1 Auditory sense training method and sound processing method for auditory sense training
08/30/2000EP1031144A1 Method for producing an optical data medium with digital information and a hologram
08/30/2000EP1031143A1 Highly oriented magnetic thin films, recording media, transducers, devices made therefrom and methods of making
08/30/2000EP0763238B1 Recording and reproduction of an information signal comprising packets that may occur irregularly as a function of time in the serial datastream of the information signal
08/30/2000CN2394292Y Inserting self-locking magnet pickup frame
08/30/2000CN1265218A Improved suspension design for head gimbal assembly
08/30/2000CN1265052A Method and appts. for zone lubrication of magnetic media
08/30/2000CN1264902A Read controlling device, reproductive device, recording device and read controlling method
08/30/2000CN1264894A Imformation recording/reproducing unit, its recording/reproducing method and transmitting media
08/30/2000CN1264893A Servo magnetic route write device for hard disc driver
08/30/2000CN1056010C Video signal recording format, deep recording/reproducing appts. and method therefor
08/30/2000CN1056009C Process for texturing brittle nometallic surface such as glass disks
08/29/2000US6112032 Magnetic reproduction circuit for cameras equipped with the function of correctly reproducing magnetic information even under the presence of noise
08/29/2000US6111850 Optical recording method for recording dummy data at leading and trailing sides of user data
08/29/2000US6111834 Data storage system having efficient block code implementation
08/29/2000US6111782 Magnetoresistance effect device, and magnetoresistance effect type head, memory device, and amplifying device using the same
08/29/2000US6111730 Dual layer magnetic exchange stabilization for MR heads
08/29/2000US6111729 Magnetoresistance effect element
08/29/2000US6111728 Device for mounting a head support on a head disc
08/29/2000US6111724 Method of making a magnetic write head with plated self-aligned zero throat height defining layer without reflective notching of a second pole tip
08/29/2000US6111723 Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove containing a non-magnetic electrically conductive layer
08/29/2000US6111722 Magnetoresistance effect element having improved biasing films, and magnetic head and magnetic recording device using the same
08/29/2000US6111720 Method and apparatus for providing separate read/write velocity curves
08/29/2000US6111719 Linear speed measurement independent of lateral position in linear tape systems
08/29/2000US6111717 Disk drive comprising a programmable preamplifier including a multiplexer for selecting between internal digital signals for output to a terminal
08/29/2000US6111716 Referenced magnetoresistives sensor band pass preamplifier
08/29/2000US6111715 Storage apparatus using a magnetoresistive head that employs a sense current selected from plural predetermined sense currents
08/29/2000US6111714 Disk drive and write control method for a disk drive
08/29/2000US6111711 Fast charge and thermal asperity compensation circuit
08/29/2000US6111710 Asynchronous/synchronous gain control for interpolated timing recovery in a sampled amplitude read channel
08/29/2000US6111708 Apparatus and method for detecting read/write gap failure and switching to an alternative read/write gap
08/29/2000US6111707 Tape duplexing with unique identity and error recovery
08/29/2000US6111406 System and method for testing a write head in a combined magnetic head using an associated read sensor in the combined head
08/29/2000US6110751 Tunnel junction structure and its manufacture and magnetic sensor
08/29/2000US6110609 Magnetic thin film and magnetic head using the same
08/29/2000US6110584 Magnetic recording medium
08/29/2000US6110582 On a nip-plated non-magnetic metallic substrate
08/29/2000US6110581 Ferromagnetic metal powder mainly consists of a transition metal to which al, si, and sm are added; binder contains 20 weight % of vinyl chloride resin having a polar group with respect to the total of binder agents.
08/29/2000US6110557 Vertical-magnetic-recording medium with barium ferrite magnetic layer
08/29/2000US6110539 Methods for creating a magnetically permeable film
08/29/2000US6110524 Method of forming lubricant layer on magnetic disc, device for forming lubricant layer thereon, and magnetic disc
08/29/2000US6110330 Process for bonding lubricant to magnetic disk
08/29/2000US6110051 Billiard cue
08/24/2000WO2000049614A1 Magnetic tape cassette, tape reel and magnetic tape
08/24/2000WO2000049613A1 Variable gain amplifier with temperature compensation for use in a disk drive system
08/24/2000WO2000049610A1 Multibeam laser servowriting of magnetic data storage media
08/24/2000WO2000049608A1 Magnetic recording medium with improved performance properties and methods
08/24/2000WO2000049607A2 Magnetic data storage tape with etched servo track
08/24/2000WO2000049606A2 Optimal reader/writer offsets and write fault thresholds in a disc drive
08/24/2000WO2000049605A1 Method of writing servo signal on magnetic tape
08/24/2000WO2000049604A1 Method of writing servo signal on magnetic tape
08/24/2000DE19963860A1 Speziell orientiertes Material und speziell orientierte Magnetisierung von Permanentmagneten Specifically oriented material and specially oriented magnetization of permanent magnets
08/23/2000EP1030300A2 Magnetic recording and reproducing apparatus
08/23/2000EP1030297A1 An optical disk and an optical disk recording method
08/23/2000EP1030291A2 Digital magnetic recording on tapes of different widths
08/23/2000EP0952966A4 Beta-quartz-based glass-ceramics
08/23/2000EP0861228B1 Lipopolyamines as transfection agents and pharmaceutical uses thereof
08/23/2000CN2393192Y Cleaning apparatus
08/23/2000CN1264124A Head slider suspension and head assembly and manufacture method thereof
08/23/2000CN1264117A Logical control type tape recorder
08/23/2000CN1264108A Method for manufacture suspension device for magnetic head
08/22/2000US6108748 System and method for on-line, real time, data migration
08/22/2000US6108177 Tunnel junction structure with FeX ferromagnetic layers
08/22/2000US6108176 Magnetic head having increased electrode height and increased SVE-electrode contact area for reducing head noise and magnetic storage device having same
08/22/2000US6108175 Bimorph piezoelectric microactuator head and flexure assembly
08/22/2000US6108174 Tuning actuator arm displacement characteristics to reduce damage from mechanical shocks
08/22/2000US6108173 Magnetic locking mechanism for a disk drive actuator
08/22/2000US6108171 Ultra-compact suspension with superimposed mounting plate
08/22/2000US6108170 Slider row with segmented scribe lines for individual control curvature of sliders in the row
08/22/2000US6108169 Randomly laser-textured magnetic recording media
08/22/2000US6108167 Magnetic head
08/22/2000US6108166 Current-pinned spin valve sensor
08/22/2000US6108165 Rotary drum equipment and recording/reproducing equipment using the same
08/22/2000US6108159 Data track edge follower servo method and apparatus
08/22/2000US6108158 Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores
08/22/2000US6108157 Head mechanism control apparatus, disk drive, and head unload control method
08/22/2000US6108156 Method for recording a port number of a servo track writer
08/22/2000US6108153 Servo demodulator and method for synchronous servo demodulation
08/22/2000US6108152 Redundant synchronization fields to improve disc drive read performance
08/22/2000US6108151 Sampled amplitude read channel for reading user data and embedded servo data from a magnetic medium
08/22/2000US6108150 Formation of servo information and method for servo control therefor in disk drive data storage system
08/22/2000US6108149 Digital data transmitting apparatus for transmitting partial response signals
08/22/2000US6108147 Selective disk partitioning/duplicating method for duplication a hard disk
08/22/2000US6107873 Low noise common-emitter preamplifier for magneto-resistive heads
08/22/2000US6107599 Method and tool for laser texturing of glass substrates
08/22/2000US6107005 Applying negative photoresist layer on lower magnetic layer; irradiating light; heat treating; forming coil on hard-baked negative photoresist; applying photoresist layer on coil; setting insulation; irradiating, heat treating
08/22/2000US6106927 Nickel coating electrolessly deposited using a bath containing aluminum and/or copper ions; magnetic recording material
08/22/2000US6106895 Magnetic recording medium and process for producing the same
08/22/2000US6106736 Planarization process and apparatus for the etch definition of magnetic head air bearing surfaces
08/22/2000US6106688 Method for manufacturing a suspension element for a magnetic head
08/22/2000US6106679 Method of making P1 notched write head with minimum overmilled P1 and P2
08/22/2000US6105432 Contact tester
08/22/2000US6105421 Glide height testing using a glide head apparatus with a piezoelectric actuator
08/22/2000US6105381 Method and apparatus for cooling GMR heads for magnetic hard disks
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