Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
09/2000
09/26/2000US6125019 Magnetic head including magnetoresistive element
09/26/2000US6125018 Composite type thin-film magnetic head
09/26/2000US6125017 Actuator crash stops providing a two-stage braking impulse
09/26/2000US6125015 Head gimbal assembly with low stiffness flex circuit and ESD Protection
09/26/2000US6125014 Via-less connection using interconnect traces between bond pads and a transducer coil of a magnetic head slider
09/26/2000US6125010 Mo-Au gold seedlayer in thin film heads
09/26/2000US6125009 Magnetoresistive effect composite head having a pole containing Co-M
09/26/2000US6125008 Flying head positioner having rotational fine positioning and adjustable actuator load
09/26/2000US6125007 Membrane seal secured to inner and outer oscillating bearing members for small angle oscillations within confined axial space
09/26/2000US6125006 Voice coil motor actuated video data cartridge release
09/26/2000US6125005 Altitude insensitive air bearing using pitch compensation for data storage application
09/26/2000US6125004 Magnetic head and method of manufacturing a magnetic head
09/26/2000US6125003 Disk drive having pivotally mounted shroud
09/26/2000US6125001 Method and apparatus for recording digital signal and drum unit for recording FM audio signal and digital signal
09/26/2000US6124998 Information storage device
09/26/2000US6124997 Data reproducing apparatus equipped with adaptive processing circuit
09/26/2000US6124996 Servo system and method with multiple phase clock
09/26/2000US6124995 Fixed bit-rate encoding method and apparatus therefor, and tracking method for high-speed search using the same
09/26/2000US6124993 Digital servo track format with leading and trailing identifiers
09/26/2000US6124991 Process and device for reading out binary information magnetically stored in a transparent magnetic layer
09/26/2000US6124921 Method and apparatus for judging an error in reading data recorded in a photographic film
09/26/2000US6124751 Boost capacitor for an H-bridge integrated circuit motor controller having matching characteristics with that of the low-side switching devices of the bridge
09/26/2000US6124711 Magnetic sensor using tunnel resistance to detect an external magnetic field
09/26/2000US6124707 Tester for peripheral storage device
09/26/2000US6124223 β-quartz-based glass-ceramics
09/26/2000US6124047 Soft magnetic film and a magnetic head of an MR/inductive composite type using such a soft magnetic film
09/26/2000US6124043 Biaxially oriented film
09/26/2000US6124030 Nonmagnetic substrate, lower coating layer of binder and nonmagnetic inorganic particles, cleaning layer upon lower coating layer of binder and inorganic particles including ferromagnetic particles; wear of magnetic head is small
09/26/2000US6124022 Particles have specified bet surface area, average major axis diameter and standard deviation of axis diameters; magnetic recording medium having a low light transmittance, smooth surface, high mechanical strength and excellent durability
09/26/2000US6124021 Biaxially oriented laminate film of wholly aromatic polyamide and magnetic recording media
09/26/2000US6124020 Magnetic recording medium and production method thereof
09/26/2000US6124013 Magnetic recording medium
09/26/2000US6124002 Design for manufacturing magnetic recording medium
09/26/2000US6123863 Process for producing liquid-jet recording head, liquid-jet recording head produced thereby, and recording apparatus equipped with recording head
09/26/2000US6123781 Method of controlling magnetic characteristics of spin-valve magnetoresistive element and of magnetic head with the element
09/26/2000US6123780 Spin valve magnetoresistive head and manufacturing method therefor
09/26/2000US6123603 Magnetic hard disc substrate and process for manufacturing the same
09/26/2000US6122818 Optimal wiring configuration for magnetic recording elements
09/21/2000WO2000055847A1 A magnetic disk write channel with damping network
09/21/2000WO2000030077A9 Differential vgmr sensor
09/21/2000WO2000023992A3 Variable speed recording method and apparatus for a magnetic tape drive
09/21/2000EP1145235A3 Variable speed recording method and apparatus for a magnetic tape drive
09/20/2000EP1037210A1 Method for recording digital data
09/20/2000EP1037202A2 Head slider and recording disk drive
09/20/2000EP1037201A2 Magnetic head transferring device of hard disk drive
09/20/2000EP1037199A1 Magnetic head, and magnetic head assembly
09/20/2000EP1037198A2 Magnetic recording apparatus and method of magnetic recording
09/20/2000EP1036392A1 Optical servo system for a tape drive
09/20/2000CN1267385A Ramp load assembly for disc drive
09/20/2000CN1267054A Magnetic recording device and method
09/20/2000CN1267053A Method for forming very tip in reader head of data converter, and reader/writer head
09/20/2000CN1266775A Biaxial orientation laminated polyester film
09/19/2000US6122435 Digital recording and playback unit with an error correction device
09/19/2000US6122432 Information signal recording apparatus
09/19/2000US6122373 Optical disk, optical disk barcode forming method, 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
09/19/2000US6122232 Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same
09/19/2000US6122151 Spin-valve magnetoresistive element
09/19/2000US6122150 Antiparallel (AP) pinned spin valve sensor with giant magnetoresistive (GMR) enhancing layer
09/19/2000US6122149 Magnetic microactuator and inductive sensor having shaped pole configuration
09/19/2000US6122148 Magnetic head slider and method of production thereof
09/19/2000US6122147 Negative pressure head contour in a linear tape recording system with tape deforming cavity
09/19/2000US6122144 Contoured pole tip structures for minimizing side track erasure
09/19/2000US6122135 Disk drive with voice coil motor rise time manager
09/19/2000US6122133 Hybrid method of determining a fractional track position of a read transducer in a hard disk drive
09/19/2000US6122132 Disk drive head position encoder
09/19/2000US6122131 Adaptively-controlled disk drive assembly
09/19/2000US6122130 Intelligent lubricant for ramp load/unload
09/19/2000US6122128 Using rotational velocity to detect scanner cleaning in magnetic tape drive
09/19/2000US6122127 Dynamically programmable magneto-resistive head write and read bias currents
09/19/2000US6122126 Digital magnetic reproducing apparatus and digital magnetic recording/reproducing apparatus employing detection of second harmonic distortion and bias current control
09/19/2000US6122125 Head selectable servo notch filter and method for improving servo system performance
09/19/2000US6122124 Servo system and method with digitally controlled oscillator
09/19/2000US6122122 Read/write apparatus provided with head and sector address recognition means and an address recognition method for the same apparatus
09/19/2000US6122120 Record reproduction apparatus
09/19/2000US6122119 Method of correcting output waveform of head and magnetic disk unit
09/19/2000US6122117 Method for digitally demodulating position signals recorded on recording media
09/19/2000US6121810 Integrated delay line calibration method and apparatus for direct access storage device (DASD)
09/19/2000US6121800 Impedance matched, voltage-mode H-bridge write drivers
09/19/2000US6121742 Control scheme for multi-actuator disc drive
09/19/2000US6121403 Degree of bonding of a perfluoro polyether lubricant topcoat to various protective overcoats of magnetic recording media is improved by forming a silyl ether of the perfluoro polyether lubricant
09/19/2000US6120922 Glass-ceramic substrate for a magnetic information storage medium
09/19/2000US6120920 Magneto-resistive effect magnetic head
09/19/2000US6120919 Magnetic head
09/19/2000US6120918 Co-Fe-Ni thin magnetic film, process for producing the same, composite thin film magnetic head, and magnetic recording device
09/19/2000US6120898 Acicular hematite particles containing aluminum uniformly within the particle, ph not less than 8, and low specified amounts of soluble sodium salts, and soluble sulfates; dispersibility; prevents corrosion of the magnetic particles
09/19/2000US6120890 Magnetic thin film medium comprising amorphous sealing layer for reduced lithium migration
09/19/2000US6120877 Magnetic recording medium
09/19/2000US6120856 Coated, resuspendable magnetically responsive, transition metal oxide particles and method for the preparation thereof
09/19/2000US6120836 Process of producing a magnetic recording medium
09/19/2000US6120694 Head slider with projecting arranged on rails thereof
09/19/2000US6119483 Process for producing glass substrate for information recording medium
09/19/2000US6119331 Notching the first pole piece of a write head with a notching layer in a combined magnetic head
09/19/2000CA2034977C Treatment device
09/14/2000WO2000054260A1 Magnetic head having a layer structure
09/14/2000WO2000036608A3 Molecular memory medium and molecular memory integrated circuit
09/14/2000WO2000020167A9 Method and apparatus for automatically polishing magnetic disks and other substrates
09/13/2000EP1035145A2 Magnetic recording media and thermoplastic polyurethane resins therefor
09/13/2000EP1034535A1 System for gap positioning optimization in a tape drive
09/13/2000EP1034534A1 Method of manufacturing a thin-film magnetic head
09/13/2000CN1266528A Model validation algorithm for characterizing parameters and uncertiainty in a disc drive