Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
09/2003
09/02/2003US6613428 Magnetic recording medium and magnetic recording and reproducing apparatus wherein the magnetic layer has a fluctuation of field; A or Hf of not less than 30 Oersteds
09/02/2003US6613422 Nitrogen -implanted, high carbon density overcoats for recording media
09/02/2003US6613380 Pinned layer since a ruthenium (Ru) spacer layer in the AP pinned layer blocks conduction electrons. On the same side of the AP pinned layer a second pinned layer may be employed. With this arrangement the specular reflection layer reflects
09/02/2003US6613240 Method and apparatus for smoothing thin conductive films by gas cluster ion beam
09/02/2003US6613151 Single disc vapor lubrication
09/02/2003US6612018 Method of making an antiparallel (AP) pinned spin valve sensor with giant magnetoresistive (GMR) enhancing layer
09/02/2003US6612017 Method of making a write head with multi-stitched second pole piece
09/02/2003US6612016 Reducing distortions due to changing environmental conditions
09/02/2003US6611985 Nonwoven material partially layered with soft fibrous flock having densely stuck on individual fibers; thorough cleaning of all parts; low cost
08/2003
08/28/2003WO2003071539A1 Disk data storage media with edge track data surface
08/28/2003WO2003071534A1 Data access control apparatus, data access control method, controller, and computer program
08/28/2003WO2003071300A1 Magnetoresistive spin-valve sensor and magnetic storage apparatus
08/28/2003WO2002069077B1 Separation of periodic and non-periodic signal components
08/28/2003US20030162482 Method of polishing glass substrate for information recording media, and glass substrate for information recording media
08/28/2003US20030162480 Magnetic head grinding device and method
08/28/2003US20030162344 Method for manufacturing magnetoresistance effect device and method for manufacturing magnetoresistance effect magnetic head
08/28/2003US20030162057 Magnetic recording medium, method for producing the same, and magnetic storage apparatus
08/28/2003US20030162056 Polyester film for magnetic recording media, magnetic recording tape and digital recorder
08/28/2003US20030162055 Chemically ordered, cobalt-three platinum alloys for magnetic recording
08/28/2003US20030162041 Perpendicular magnetic recording medium and process of production thereof
08/28/2003US20030161222 Method of producing master information carrier for magnetic transfer
08/28/2003US20030161080 Magnetoresistive sensor, thin-film read/write head, and magnetic recording apparatus using the sensor
08/28/2003US20030161079 Magnetic head, and the magnetic read-write devices, and the magnetic memory with magnetic sensors
08/28/2003US20030161078 Spin valve structure with si seed layer and reduced PtMn antiferromagnetic layer thickness
08/28/2003US20030161077 Magnetoresistance effect device and magnetoresistance effect head comprising the same, and magnetic recording/reproducing apparatus
08/28/2003US20030161076 Rotary head and magnetic recording/reproducing apparatus
08/28/2003US20030161075 Rotary head drum device and method for manufacturing the same
08/28/2003US20030161074 Head suspension for disk drive
08/28/2003US20030161073 Head suspension for disk drive
08/28/2003US20030161072 Head slider and disk drive apparatus
08/28/2003US20030161071 Slider for a data storage device including transducer level micro-positioning and method of fabrication therefor
08/28/2003US20030161070 Slider for a data storage device with a floating transducer body and method of fabrication therefor
08/28/2003US20030161069 Wafer-level fabrication method for top or side slider bond pads
08/28/2003US20030161067 Determining head position during a head switch using multiple index codes
08/28/2003US20030161066 Disk drive
08/28/2003US20030161065 Method and apparatus for controlling the actuator of the head-positioning system provided in a disk drive
08/28/2003US20030161064 Hard disk unit ensuring stability of classified data
08/28/2003US20030161063 Storage apparatus and clock control circuit
08/28/2003US20030161062 Method and apparatus for turbo coding and decoding in read and write channel of disk drive
08/28/2003US20030161061 Method and apparatus for reducing the servo position error signal non-linearity during self-servo writing irrespective of the head width
08/28/2003US20030161060 Method of magnetic transfer
08/28/2003US20030161059 Magnetic transfer apparatus
08/28/2003US20030160640 Current driver circuit for supplying write current to a write head while changing a flow direction of the write current
08/28/2003US20030159919 Multilayer stacks of magnetic disks; adjusting disk carrier
08/28/2003US20030159273 Head-disc merge assembly for a disc drive
08/28/2003CA2476408A1 Disk data storage media with edge track data surface
08/27/2003EP1339059A2 Method of producing master information carrier for magnetic transfer
08/27/2003EP1339046A2 Method of magnetic transfer
08/27/2003EP1338361A1 Nanoparticle, method of producing nanoparticle and magnetic recording medium
08/27/2003EP1338005A1 Textured magnetic recording medium with cr-based underlayer and co-based magnetic layer having special orientations
08/27/2003EP1337494A2 Esd dissipative ceramics
08/27/2003EP1103049B1 Magnetic memory
08/27/2003EP0740830B1 Disk drive employing adaptive read/write channel for optimizing head-media-channel performance
08/27/2003CN2569283Y Inertia locking device
08/27/2003CN2569282Y Magnetic head dynamic read-and-write device
08/27/2003CN2569281Y Air bearing slide block and universal joint device
08/27/2003CN1439158A Disc drive with improved head pitch adjustment
08/27/2003CN1439157A Shield design for magnetoresistive sensor
08/27/2003CN1439156A Improved lapping sensor for recording heads
08/27/2003CN1438640A Converter supporting device
08/27/2003CN1438631A Magnetism transfering device
08/27/2003CN1438630A Magnetism transfering device
08/27/2003CN1438629A magnetic duplication method
08/27/2003CN1438628A Method for making magnetic recording medium and main information carrier used for same
08/27/2003CN1438627A Magnetic head slider and magnetic disc device set with magnetic-head slider
08/27/2003CN1119806C Method for manufacturing magnetic head slider
08/26/2003US6611820 Recording medium, recorder, reproducer, cryptocommunication system and program license system
08/26/2003US6611652 Video data recording/reproducing system, audio/video data recording/reproducing device, its system, and data reproducing device
08/26/2003US6611405 Magnetoresistive element and magnetic memory device
08/26/2003US6611404 Disk apparatus having voice coil motor with two coils having different numbers of turns
08/26/2003US6611403 Magnet spacer location facilitating in-deck merge
08/26/2003US6611402 Pitch-adjustable head suspension with end lift tab for dynamic load/unload
08/26/2003US6611401 Glide head with a transverse contact rail
08/26/2003US6611400 Texture structure for optimizing head disc interface
08/26/2003US6611399 Micro-actuated micro-suspension(MAMS) slider for both fly height and tracking position
08/26/2003US6611398 Tape head with support bars
08/26/2003US6611397 Servo burst pattern defect detection
08/26/2003US6611396 Disk level servo write
08/26/2003US6611395 Rotating media recording system with adaptive track density
08/26/2003US6611392 Magnetic disk device and retry method for a magnetic disk device
08/26/2003US6611391 Variable format timing runout compensation
08/26/2003US6611390 Method and apparatus for improving servo zoning for PRML detected gray code using channel bit densities
08/26/2003US6611389 Method of determining the variation of the clearance between a magnetic transducer and a recording media during track seeking
08/26/2003US6611388 Master information magnetic recorder
08/26/2003US6611167 Balanced bi-directional current source
08/26/2003US6611123 Servo control apparatus and gain adjusting method
08/26/2003US6611118 Magnetic disk drive and voice coil motor drive circuit
08/26/2003US6611034 Magnetic device and solid-state magnetic memory
08/26/2003US6610620 Magnetic recording media comprising crystal structures oxides of silicon, aluminum, magnesium and lithium having high elastic modulus; magnetic disk heads
08/26/2003US6610602 Magnetic field sensor and method of manufacturing same using a self-organizing polymer mask
08/26/2003US6610556 Method for manufacturing a microintegrated structure with buried connections, in particular an integrated microactuator for a hard-disk drive unit
08/26/2003US6610426 Magnetic recording medium containing a binder of trifunctional or higher aliphatic (meth) acrylate compound
08/26/2003US6610424 Cobalt-chromium-boron alloy layer
08/26/2003US6610373 Magnetic film-forming device and method
08/26/2003US6610151 Seed layers for interconnects and methods and apparatus for their fabrication
08/26/2003US6609949 Interface assembly for lapping control feedback
08/26/2003US6609948 Method of making an electronic lapping guide (ELG) for lapping a read sensor
08/26/2003US6609663 Marking device
08/26/2003US6609529 Method and apparatus for cleaning disc drive components
08/26/2003US6609291 Method of manufacturing a thin film magnetic head