Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/2001
08/01/2001EP1120225A1 Biaxially oriented polyester film and magnetic recording medium
08/01/2001EP1119850A1 Improved method of tape attachment to a tape cartridge reel
08/01/2001EP0709828B1 Magnetic head and its manufacture
08/01/2001CN1306659A Data storage system having efficient blook code implementation
08/01/2001CN1306648A Appts. and method for recovery of data in lossy transmission environment
08/01/2001CN1306281A Magnetic disc device
08/01/2001CN1305965A Process for preparing magnetic disk substrate of chemically strengthened glass
08/01/2001CN1069144C 磁头组件 Head assembly
08/01/2001CN1069143C 磁头 Magnetic head
08/01/2001CN1069142C Magnetic head and its mfg. method
07/2001
07/31/2001US6269422 System and method for retrieving tape statistical data
07/31/2001US6269056 Recording method for a magneto-optical recording medium for position adjustment of a magnetic head
07/31/2001US6268985 Read head having spin valve sensor with improved capping layer
07/31/2001US6268984 Magnet configuration for head-level microactuator
07/31/2001US6268983 Head actuator driven by piezoelectric element
07/31/2001US6268982 Combination load ramp and unlatching mechanism for a removable disk cartridge
07/31/2001US6268981 Wireless suspension with two-sided enclosure of conductive traces
07/31/2001US6268980 Magnetic head apparatus with head IC chip
07/31/2001US6268979 Magnetic record medium having a sputter formed thin film texture with second projections of a height lower than first projections
07/31/2001US6268978 Magnetic disk apparatus
07/31/2001US6268976 Disk drive which detects head flying height using a linearly increasing frequency data pattern
07/31/2001US6268974 Gain optimization in a disc drive
07/31/2001US6268972 Method for measuring relative and absolute amplitudes of a signal read from a data storage medium
07/31/2001US6268971 Camera having magnetic head and noise detector
07/31/2001US6268906 Exposure apparatus and exposure method
07/31/2001US6268763 Semiconductor integrated circuit device for driving a magnetic disk apparatus
07/31/2001US6268073 Laminate layer
07/31/2001US6268043 Magnetic recording medium
07/31/2001US6268036 Thin film disk with highly faulted crystalline underlayer
07/31/2001US6268024 Process for producing magnetic recording medium
07/31/2001US6267903 Prevention of damage due to static electricity during manufacturing of magnetic head
07/31/2001US6267824 Magnetic shields; heat treatment
07/31/2001US6267004 Glide test head assembly with high take-off resolution
07/31/2001US6266869 Method for assembling components
07/31/2001US6266868 Method of manufacturing a combination thin film magnetic head
07/26/2001WO2001054127A1 Apparatus and method for reconstructing missing data using cross-parity stripes on storage media
07/26/2001WO2001054118A1 Method and system for providing file streaming utilizing a disk drive
07/26/2001WO2001054117A1 Mr head, method of manufacture thereof, and magnetic recording and reproducing device
07/26/2001US20010009730 Non-magnetic substrate, underlayer, perpendicular magnetization film made of cobalt-based alloy, intermediate layer of nonmagnetic material having hexagonal closed packed structure or ferromagnetic material; low noise, high density
07/26/2001US20010009729 Comprising substrate, magnetic recording film disposed over substrate, protective overcoat on recording film, outer layer comprising solid fluorocarbon and a perfluoropolyether oil; for recording disk with read/write head in disk drive
07/26/2001US20010009728 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium
07/26/2001US20010009727 Magnetic recording medium and a magnetic recording device
07/26/2001US20010009726 Tape comprising base layer, back coating layer, magnetic layer; problems due to scrapings of a back coating layer of the magnetic tape are prevented
07/26/2001US20010009707 Textured surface and method
07/26/2001US20010009608 Reproducing apparatus
07/26/2001US20010009541 Optical head, magneto-optical head, disk apparatus and manufacturing method of optical head
07/26/2001US20010009492 Magneto-resistive effect type head
07/26/2001US20010009491 Combination type thin film magnetic head
07/26/2001US20010009490 Thin film magnetic head with increased ariel density
07/26/2001US20010009489 Magnetic-head supporting mechanism
07/26/2001US20010009488 Thin film magnetic head comprising insulating layer provided between core and coil and manufacturing method therefor
07/26/2001US20010009484 Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range
07/26/2001US20010009483 Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit
07/26/2001US20010009482 Rotary magnetic head apparatus
07/26/2001US20010009119 Chemical synthesis of monodisperse and magnetic alloy nanocrystal containing thin films
07/26/2001US20010009063 Spin valve thin-film magnetic device having free magnetic layer in ferrimagnetic state and manufacturing method therefor
07/26/2001US20010009062 Method of making magnetic resistance element
07/25/2001EP1118995A1 Magnetic storage card
07/25/2001EP1118994A2 Method and apparatus for ramp loading in a hard disk drive
07/25/2001EP1118980A1 Magnetic recording medium
07/25/2001EP1118077A1 Cleaning card for magnetic track and chip card read/write devices and method for producing said cleaning card
07/25/2001EP0801793B1 Sputtered thermally cycled texture layers formed of high melting point materials
07/25/2001EP0791216B1 Tape support system for arcuate scan rotating head
07/25/2001EP0702823B1 Apparatus and method for distorted track data recovery
07/25/2001CN1305628A Flex support and seal apparatus for disc drive
07/25/2001CN1305627A High stability spin stand platform
07/25/2001CN1305183A Optical disk, method for recording and reading out information on disk and used device
07/25/2001CN1068951C Method for manufacturing magnetoresistance head
07/25/2001CN1068950C Magnetic sensor and disk recording system
07/25/2001CN1068949C Disk storage system and thin film magnetic head
07/24/2001US6266487 Magnetic recording and regenerating unit for photographic film and camera
07/24/2001US6266306 Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs
07/24/2001US6266298 Apparatus and method for inscribing, optically detecting, and using a clock pattern to write a servo pattern in an information storage unit
07/24/2001US6266218 Magnetic sensors having antiferromagnetically exchange-coupled layers for longitudinal biasing
07/24/2001US6266217 Magnetic head having an anti-ferromagnetic oxide layer between a flux guide and a magneto-resistive sensor
07/24/2001US6266216 Inductive/MR composite type thin-film magnetic head with NLTS reduction
07/24/2001US6266215 Tape drive head assembly and apparatus for mounting a tape drive head to a carriage
07/24/2001US6266214 One-piece load beam and gimbal flexure using flexible circuit
07/24/2001US6266213 Suspension having an IC chip and a head slider on opposite surfaces
07/24/2001US6266212 High shock suspension with tethered flexure tongue
07/24/2001US6266210 Magnetic recording and reading device
07/24/2001US6266205 Parallel servo with ultra high bandwidth off-track detection
07/24/2001US6266203 Integrated temperature sense circuit in a disc drive
07/24/2001US6266202 Closed loop write verification in a disc drive
07/24/2001US6266201 Multiple channel rewrite system
07/24/2001US6266200 Magnetic disk storage apparatus
07/24/2001US6266199 Method of apparatus to characterize and limit the effect of disk damage in a hard disk drive
07/24/2001US6265869 Method of detecting thermal asperity of magnetic storage device and circuit thereof
07/24/2001US6265868 System and method for measuring total track width of a test track in magnetic media
07/24/2001US6265711 Scanning probe microscope assembly and method for making spectrophotometric near-field optical and scanning measurements
07/24/2001US6265062 Magnetic recording medium capable of reproducing information by displacing magnetic wall and recording-reproducing method therefor
07/24/2001US6265060 Magnetic recording medium incorporating fluorine-containing, solvent-soluble vinyl copolymer having no vinyl chloride or vinylidene chloride components
07/24/2001US6265032 Method for production of magnetic recording medium
07/24/2001US6265021 Laminar layered structure
07/24/2001US6264848 Method for providing track position and identification information for data storage devices
07/24/2001US6264787 Apparatus for fabricating a taper on a recording head slider
07/24/2001CA2226489C Communication system
07/19/2001WO2001052399A1 Micro actuator with optimised deformable structure for disc storage and method for making same
07/19/2001WO2001052261A1 Data recording disc, manufacturing method therefor, and disc device
07/19/2001WO2001052260A1 Servo track writing using extended copying with head offset