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)
10/2000
10/10/2000US6130809 Write head before read head constructed merged magnetic head with track width and zero throat height defined by first pole tip
10/10/2000US6130808 Hovering-type head slider and magnetic disc device
10/10/2000US6130807 Information storage disc having a curved disc surface
10/10/2000US6130805 Thin film magnetic head having upper pole chip formed over insulating layer
10/10/2000US6130804 Four channel azimuth and two channel non-azimuth read-after-write longitudinal magnetic head
10/10/2000US6130799 Signal recording and/or reproducing apparatus, method, and medium with pilot signal and tracking servo signal recorded at different azimuth angles
10/10/2000US6130798 Hardware PES calculator
10/10/2000US6130797 Magnetic recorder and magnetooptical recorder
10/10/2000US6130795 Method and apparatus to sense and report connection integrity of a differential ECL transmission line having proper parallel termination
10/10/2000US6130794 Statistical monitoring of data channels for enhanced data recovery performance
10/10/2000US6130793 Thermal asperity detection method, thermal asperity compensation method, magnetic disk unit and retry method therefor
10/10/2000US6130792 Flat servo bursts for arcuate track scanner
10/10/2000US6130791 Magnetic disk drive having read channel in which low-frequency cutoff is set relatively high to cope with thermal asperity
10/10/2000US6129981 A magnetic recording layer of a magnetic metal material is constituted from a five component metal alloy containg cobalt as principal component, chromium, platinum, tungsten and carbon; high density recording
10/10/2000US6129979 Magnetic recording medium
10/10/2000US6129957 First annealing for setting a first antiferromagnetic, a second annealing for resetting a second antiferromagnetic layer, third annealing with no exteranl applied field at high temperature to rapair first exchange, enchance second
10/10/2000US6129855 A jig including a guide plate and an adhesive rubber plate which adheres onto a lower surface of the guide plate; placing blocks in the accommodation holes on the guide plate so the surface is directed upward and each block is fixed
10/10/2000US6129579 Low inductance flex-to-PCB spring connector for a disc drive
10/05/2000WO2000058977A1 Magnetic inlay structure
10/05/2000WO2000058956A1 Lubricant for magnetic recording medium and use thereof
10/05/2000WO2000058955A1 Method and apparatus for encoding identification information on a magnetic disc
10/05/2000WO2000058954A1 Method and apparatus for thermally writing servo patterns on magnetic media
10/05/2000WO2000058953A2 Reactive ion beam etching method and a thin film head fabricated using the method
10/05/2000WO2000058952A1 Method and apparatus for recording digital audio data on a cassette tape
10/05/2000WO2000058951A1 Magnetic head drive circuit and magnetic recorder
10/05/2000WO2000058742A1 Magnetic flux sensor
10/05/2000WO2000058081A1 Dvd disc with four information layers, and method for making same
10/05/2000DE19850744C1 Verwendung von Gläsern zur Herstellung von Festplattensubstraten Use of glasses for the production of hard disk substrates
10/05/2000DE10004383A1 Magnetic spin resistance sensor for the magnetic read head of a computer hard drive has ferromagnetic deposited layers separated by an intermediate layer
10/05/2000CA2369106A1 Lubricant for magnetic recording medium and use thereof
10/05/2000CA2332037A1 Dvd disc with four information layers, and method for making same
10/04/2000EP1041555A2 Digital data reproducing device
10/04/2000EP1041554A2 Method for recording digital data
10/04/2000EP1041391A2 Magneto-impedance element made of thin film magnetic material
10/04/2000EP1040477A2 Recording and reproducing device for multiple-speed reproduction
10/04/2000EP1040469A1 Multi-track, bi-directional, high speed thin film tape head assembly
10/04/2000EP1023128A4 Memory disc substrate with defect free surface
10/04/2000EP0914488A4 Magnetic disk substrates formed of ceramic-metal matrix composites with or without metal cladding
10/04/2000CN2399801Y 清洁装置 Cleaning device
10/04/2000CN1269073A Method and apparatus for determining bit error in a sampled data system
10/04/2000CN1269047A Slider for optical disc data storage system
10/04/2000CN1268907A Controlled laser texturing glass-ceramic substrates for magnetic recording media
10/04/2000CN1268748A Shock absorber and head supporting arm having such absorber
10/04/2000CN1268735A Anti-parallel pinning read magnetic head having higher giant magnetio-resistance
10/04/2000CN1268734A Magnetic regeneration device
10/04/2000CN1268733A Rotating valve magnetic reluctance transducer, and magnetic head contg. same
10/04/2000CN1057169C Method and apparatus for VCR tracking control
10/03/2000US6128388 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
10/03/2000US6128167 Spin-valve magnetoresistive element
10/03/2000US6128166 Magnetic head for increasing track density of a magnetic disk
10/03/2000US6128165 Actuator assembly attachment in a disc drive
10/03/2000US6128164 Baseplate design for the arm and suspension assembly for minimal gram-force and z-height variation
10/03/2000US6128163 Disk drive including slider with recessed magneto-resistive transducer
10/03/2000US6128162 Head slider with constant flying height over sliding range
10/03/2000US6128160 Head device having spin-valve read head for use in a disk storage apparatus
10/03/2000US6128155 High density magnetic recording apparatus including a hologram type magnetic head positioning system
10/03/2000US6128154 Servo control method for a high capacity hard disk drive
10/03/2000US6128153 Head position control for a disk drive which performs recording about the rotational center even if the recorded servo information is eccentric
10/03/2000US6128149 Method and system for detecting common mode disturbances from a dual stripe magnetoresistive head
10/03/2000US6128147 Recording/reproducing method and apparatus for storing data in a memory after detecting errors in reproduced data from a magnetic tape
10/03/2000US6128146 Undershoot active damping circuit for write drivers
10/03/2000US6127869 Circuit for calibrating delay lines and method
10/03/2000US6127053 Spin valves with high uniaxial anisotropy reference and keeper layers
10/03/2000US6127045 Usable as a magnetic field sensor in magnetic disk drives or as a memory cell in a magnetic random access array
10/03/2000US6127039 Comprising a non-magnetic base having on at least one side a non-magnetic layer containing electron beam curable vinyl chloride based resin having a sulfur-containing polar group and an electron beam curable urethane resin having a
10/03/2000US6127030 Magnetic recording medium
10/03/2000US6127017 Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk
10/03/2000US6126990 Forming a backing layer on a surface, painting a magnetic layer with ferromagnetic powder of chromium dioxide and cobalt with iron oxide and binders
10/03/2000US6126515 Liquid slurry containing polyhedral monocrystalline alumina
09/2000
09/28/2000WO2000057418A1 Method and apparatus for reducing the coupling of the reaction force from the head actuator into the track follow servo loop of a media drive
09/28/2000WO2000057406A2 Tape head azimuth adjustment
09/28/2000WO2000057405A1 Method for shunting and deshunting an electrical component and a shuntable/shunted electrical component
09/28/2000WO2000057404A1 Magnetic disk memory
09/28/2000WO2000057403A2 Highly aligned thin film tape head and method of making same
09/28/2000WO2000056502A1 Lapping machine, lapping method, and method of fabricating magnetic head
09/28/2000DE10011056A1 Sense amplifier for channel-front-end for magnetic recording has active termination at input to gains stage so that input impedance matches characteristic impedance of connection to which input is coupled
09/27/2000EP1039682A2 Multiresolution transmission, in particular with multicarrier singals
09/27/2000EP1039681A2 Mutliresolution transmition and error correction coding, with multicarrier signals
09/27/2000EP1039680A2 Multiresolution transmission and error correction coding with multicarrier modulation
09/27/2000EP1039679A2 Multiresolution transmission with multicarrier signals
09/27/2000EP1039678A2 Multiresolution transmission, particularly with multicarrier signals
09/27/2000EP1039677A2 Multiresolution transmission and error correction coding, with multicarrier modulation
09/27/2000EP1039676A2 Multiresolution transmission, in particular with multicarrier signals
09/27/2000EP1039675A2 Multiresolution transmission with multicarrier signals
09/27/2000EP1039674A2 Multiresoltion transmission and error correction coding with multicarrier signals
09/27/2000EP1039673A2 Multiresolution transmission and error correction coding with multicarrier signals
09/27/2000EP1039560A2 A magnetoresistive element and a method of producing a crystal structure with colossal magnetoresistivity
09/27/2000EP1039529A1 Method for manufacturing a microintegrated structure with buried connections, in particular an integrated microactuator for a hard-disk drive unit
09/27/2000EP1039490A1 Pinning layer for magnetic devices
09/27/2000EP1039465A2 Pickup guide mechanism
09/27/2000EP1039458A2 Optical head and coil assembly used for the same
09/27/2000EP0807189B1 Hard disk drive components and methods of making same
09/27/2000CN1268241A Filter calibration and head instability detection method and apparatus
09/27/2000CN1268239A Read/write recording device and head positioning mechanism therefor
09/27/2000CN1267881A Magnetic head slider suspension, magnetic head assembly and producing method and information recording and replaying apparatus
09/27/2000CN1267880A Magnetic head sliding block and its producing method and magnetic disc
09/27/2000CN1267879A Wide-band back read using for data storage magnetoresistance head
09/26/2000US6125427 Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder circuit
09/26/2000US6125181 Optical disk, an optical disk barcode forming method, an optical reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
09/26/2000US6125099 Disk drive system, process and components thereof for improved disk stiffness
1 ... 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 ... 879