Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
04/2003
04/17/2003US20030072105 Magnetic head and method of manufacturing the same
04/17/2003US20030072104 Thin-film magnetic head for reducing track width, preventing write fringing and reducing magnetic saturation, and production method therefor
04/17/2003US20030072102 Rotational recording apparatus and control method
04/17/2003US20030072101 Servo data writing apparatus and servo data writing method
04/17/2003US20030072100 Method and apparatus for providing write current optimization
04/17/2003US20030072099 Scheme to improve performance of timing recovery systems for read channels in a disk drive
04/17/2003US20030072098 Drum electronics control interface and protocol for recording/reproducing apparatus
04/17/2003US20030072097 Method and apparatus to distinguish effects of adjacent track encroachment from head thermal movement
04/17/2003US20030072096 Magnetic transfer apparatus
04/17/2003US20030072095 Method of magnetic transfer to magnetic recording medium having two recording layers and the magnetic recording medium thereof
04/17/2003US20030071541 Piezoelectric actuator set for head assembly
04/17/2003US20030071120 Manual magnetic card reader and method of reading magnetic data
04/17/2003US20030071023 SBB machine and method for HGA mass production
04/17/2003US20030071016 Patterned structure reproduction using nonsticking mold
04/17/2003US20030071012 Method of manufacturing a micro-electromechanical fluid ejecting device
04/17/2003US20030070834 Integrated lead suspension and method of construction
04/17/2003CA2462347A1 Patterned structure reproduction using nonsticking mold
04/16/2003EP1302933A1 Magnetic recording medium
04/16/2003EP1302932A1 Magnetic recording medium
04/16/2003EP1302931A1 Magnetic recording medium
04/16/2003EP1153390B1 Variable gain amplifier with temperature compensation for use in a disk drive system
04/16/2003CN1411597A Method of fabricating lubricant-integrated load/unload ramp for disc drive
04/16/2003CN1410998A Disposition method and disposition apparatus for disk recording apparatus
04/16/2003CN1410994A Information recording playback apparatus
04/16/2003CN1410985A Optical information medium
04/16/2003CN1410971A Magnetic disk driver of reading channel containing reading signal for processing differentiating
04/16/2003CN1410935A Hand magnetic card reader and magnetic data reading method
04/16/2003CN1410502A Cerium series abrasive material and analyzing method thereof
04/16/2003CN1106113C Video signal recording apparatus and video signal reproducing apparatus
04/16/2003CN1106005C Magnetic recording medium and magnetic storage
04/16/2003CN1106004C 磁头 Magnetic head
04/16/2003CN1106003C Magnetic recording apparatus and method, and magnetic recording medium
04/15/2003US6549510 Optical recording medium having grooves and lands
04/15/2003US6549506 Photo detector mounting in a head gimbal assembly used in an optical data storage device
04/15/2003US6549497 Optical reproducing method
04/15/2003US6549384 Spin-valve magnetoresistive thin film element
04/15/2003US6549383 Pinned layer having a CoFeNb or CoFeNbHf film for increasing magnetic softness and reducing current shunting
04/15/2003US6549382 Read head with asymmetric dual AP pinned spin valve sensor
04/15/2003US6549381 Disk drive having actuator motion damper via histeresis energy loss of low energy magnet placed within magnetic field of a voice coil motor
04/15/2003US6549380 Data handling system with flux-directing voice coil motor
04/15/2003US6549379 Unified disc drive top cover and voice coil motor pole
04/15/2003US6549378 Magnetic disk drive with offset load/unload tab
04/15/2003US6549377 Magnetic disk drive with a movable ramp mechanism for relieving impact upon loading and unloading
04/15/2003US6549376 Gimbal suspension with vibration damper
04/15/2003US6549375 Suspension gimbal with reduced pitch stiffness, compliant preloading bridge and unloading limiters
04/15/2003US6549374 Floating-type magnetic head with straddle-mounted spring-type flexure with pivot projection
04/15/2003US6549373 Head suspension assembly with IC chip
04/15/2003US6549372 Device for limiting head movement within a hard disk drive
04/15/2003US6549370 Thin-film magnetic head having a magnetic layer that defines throat height and includes a sloped portion
04/15/2003US6549369 Multilayer film core magnetic head with bonding glasses of differing thermal expansion coefficients
04/15/2003US6549364 Optimization method and apparatus for a generalized fourier seek trajectory for a hard disk drive servomechanism
04/15/2003US6549363 Optical servo system for a tape drive
04/15/2003US6549362 Method and apparatus for the enhancement of embedded runout correction in a disk drive
04/15/2003US6549360 Magnetic recording medium with laser-formed servo-marks
04/15/2003US6549357 Selectable input pole compensation for a disk drive read head
04/15/2003US6549356 Rotary drum and magnetic tape recording/reproducing apparatus using the same
04/15/2003US6549355 Recording equalizer and magnetic recording/reproducing apparatus using the equalizer
04/15/2003US6549354 Acquisition signal error estimator
04/15/2003US6549353 Overshoot control for a hard disk drive write head
04/15/2003US6549352 Signal processing apparatus utilizing a partial response method, and signal processing method, information recording apparatus, and information reproduction apparatus therefore
04/15/2003US6549351 Auxiliary data encoding in a disk drive system
04/15/2003US6549350 Storage device for reliably maintaining data in a reproducible state for a long period of time
04/15/2003US6549349 Adaptive vibration control for servo systems in data storage devices
04/15/2003US6549020 Cartridge screening technique by using the electrical dynamic bearing resistance
04/15/2003US6548821 Method and apparatus for inspecting substrates
04/15/2003US6548194 Comprises laminate structure, nonmagnetic substrate, cobalt alloy bias layer, soft magnetic layer, and recording layer; hard discs
04/15/2003US6548186 High resistivity films for AP layers in spin valves
04/15/2003US6548160 Ferromagnetic powder in binder
04/15/2003US6548140 Thin film magnetic media for minimal lubricant transfer to head during flying
04/15/2003US6548139 Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same
04/15/2003US6548137 Phase-change optical recording medium and recording method and apparatus for the same
04/15/2003US6548117 Method for coating a running web using a plurality of coating liquids
04/15/2003US6548114 Method of fabricating a spin valve/GMR sensor having a synthetic antiferromagnetic layer pinned by Mn-alloy
04/15/2003US6548009 Method for controlling twist curvature of a disc head slider
04/15/2003US6547980 Glass substrate for information recording medium, manufacturing method thereof, and information recording medium
04/15/2003US6547975 Magnetic pole fabrication process and device
04/15/2003US6547918 Raw bar stripping off and cleaning jig and raw bar stripping off and cleaning method
04/15/2003US6546968 Compression molding; pressurization cycles
04/15/2003CA2178882C Magnetic recording device and method
04/10/2003WO2003030170A1 A phase-advanced filter for robust resonance cancellation
04/10/2003WO2003030162A1 Magnetic recording/reproducing apparatus
04/10/2003WO2003030151A2 Lubricant for magnetic recording medium and use thereof
04/10/2003WO2002103687A3 Method of making a magnetic head
04/10/2003US20030068897 Methods of making magnetoresistive memory devices
04/10/2003US20030068530 Magnetic material, method for producing the same, and magnetic recording medium
04/10/2003US20030068529 Magnetic recording medium
04/10/2003US20030068508 Magnetic recording medium, method of manufacturing the same and magnetic recording apparatus
04/10/2003US20030068462 Manufacturing method for magnetic recording medium, and master information carrier used therefor
04/10/2003US20030067864 Optical information medium
04/10/2003US20030067845 Method of manufacturing a digital magneto-optical signal write/read head and write/read head manufactured according to the method
04/10/2003US20030067796 Thermal recording by means of a flying spot
04/10/2003US20030067721 First pole piece with frequency dependent variable effective throat height
04/10/2003US20030067720 Wireless suspension design to accommodate multiple drive designs
04/10/2003US20030067719 Slider for a data storage device having improved stiction control with reduced interference with air bearing pressurization
04/10/2003US20030067718 Slider of thin-film magnetic head and method of manufacturing same
04/10/2003US20030067717 Thermal protrusion reduction in magnet heads by utilizing heat sink layers
04/10/2003US20030067716 Thermal protrusion reduction in magnet heads by utilizing a heat-spreading pad
04/10/2003US20030067714 Slider materials
04/10/2003US20030067713 Novel photoresist material to achieve hardbake resist shape control
04/10/2003US20030067712 Magnetic recording medium