Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
05/2011
05/24/2011US7948716 Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing same
05/24/2011US7948714 Transducer including an element of a transducer and a sidewall in an electrically conductive magnetic layer
05/24/2011US7948713 Magnetic head slider using giant magnetostrictive material
05/24/2011US7948712 Dual thickness carbon overcoat
05/24/2011US7948711 Article of manufacture to automatically clean a tape drive
05/24/2011US7948710 Heat-assisted thin-film magnetic head and heat-assisted magnetic recording method
05/24/2011US7948709 Thin-film magnetic head
05/24/2011US7948708 Simultaneous bit pattern determination and head positional information detection on patterned media
05/24/2011US7948707 Magnetic recording medium, method of recording servo pattern on magnetic recording medium, and magnetic head
05/24/2011US7948705 Method of making a multi-channel time based servo tape media
05/24/2011US7948703 Adaptive target optimization methods and systems for noise whitening based viterbi detectors
05/24/2011US7948702 Systems and methods for controlling data equalization
05/24/2011US7948701 Servo patterns for self-assembled island arrays
05/24/2011US7948700 Bit patterned medium
05/24/2011US7948699 Systems and methods for equalizer optimization in a storage access retry
05/24/2011US7948698 Pattern transfer apparatus and pattern transfer method
05/24/2011US7947385 Magnetic storage medium and information storage device
05/24/2011US7946156 Glide test heads using heating elements to form a planar detection surface
05/19/2011WO2011058969A1 Method for manufacturing glass substrate for use in magnetic recording medium
05/19/2011US20110117822 Dressing jig for glass substrate polishing pad
05/19/2011US20110117388 Multiple CCP layers in magnetic read head devices
05/19/2011US20110117387 Method for producing metal nanodots
05/19/2011US20110117386 Media lubricant for high temperature application
05/19/2011US20110116356 Optical recording medium having auxiliary information and reference clock
05/19/2011US20110116346 Bookmark With Integrated Electronic Timer and Method Therefor
05/19/2011US20110116195 Magnetic write head design using permanent magnets and exchange spring mechanism
05/19/2011US20110116194 Variable-response magnetic radiofrequency device
05/19/2011US20110116193 Magnetic head with integrated write driver
05/19/2011US20110116192 Head-slider including thin-film magnetic-recording head having reduced thermal protrusion
05/19/2011US20110116191 Disk drive device equipped with a bearing unit relatively rotatably supporting a hub against base member
05/19/2011US20110116190 Optimized write pole flare angle for side shield or semi side shield PMR writer application
05/19/2011US20110116189 Magnetic recording medium and magnetic recording/reproducing device
05/19/2011US20110116184 Magnetic head having a multilayer magnetic film and method for producing the same
05/19/2011US20110113620 Manufacturing Method of Magnetic Head Slider
05/19/2011DE102009044509A1 Operation monitoring device for spindle motor of hard disk drive of computer, has signal processing unit for outputting operating condition of bearing based on result of comparison of analysis of detected spectrum with expected spectrum
05/18/2011EP2321731A1 Compensation for different transducer translation path geometries
05/18/2011CN201838311U Stationary fixture for assembling rotating shaft in HDD
05/18/2011CN1920955B Magnetic head with planar outrigger, tape drive system and forming method thereof
05/18/2011CN1843997B Method of plating on a glass base plate, a disk substrate, method for manufacturing the same and a perpendicular magnetic recording medium
05/18/2011CN1645487B Optical data recording method, recording apparatus and signal processing circuit
05/18/2011CN102063909A System, method and apparatus for planarizing surfaces with functionalized polymers
05/18/2011CN101542767B Tunnel magnetoresistive thin film and magnetic multilayer formation apparatus
05/18/2011CN101542605B Process for producing glass substrate for recording medium, glass substrate for recording medium, recording medium, and holding jig
05/18/2011CN101395097B Method of processing glass base and rinse composition for glass base processing
05/18/2011CN101388220B Magnetic disk device and control method
05/18/2011CN101375438B Co-crushed mixture of an active material and of a conductive material, preparation methods and uses thereof
05/17/2011US7945963 Information memory apparatus using probe
05/17/2011US7944802 Super-resolution optical recording medium and method for recording information on super-resolution optical recording medium
05/17/2011US7944786 Optical disc apparatus and recording power determining method thereof
05/17/2011US7944736 Magnetoresistive device
05/17/2011US7944651 CPP-type magnetoresistive effect head and method of manufacturing the same
05/17/2011US7944650 Magnetoresistive element including layered film touching periphery of spacer layer
05/17/2011US7944647 Optical path for a thermal-assisted magnetic recording head
05/17/2011US7944646 Magnetic disk drive
05/17/2011US7944643 Patterns for pre-formatted information on magnetic hard disk media
05/17/2011US7944641 Overshoot duration range selection in a hard disk drive
05/17/2011US7944640 Bulk eraser including at least three magnets configured for erasing recorded information
05/17/2011US7944639 Disk drive adapting equalizer relative to bit error rate of sequence detector
05/17/2011US7944638 Method and apparatus for scheduling spiral interrupts for self-servo write
05/17/2011US7944313 Calibrating control loops
05/17/2011US7944009 Magnetoresistive device having specular sidewall layers
05/17/2011US7943558 Lubricant with non-terminal functional groups
05/17/2011US7943288 Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic head
05/17/2011US7943248 Perpendicular magnetic recording media, production process thereof, and perpendicular magnetic recording and reproducing apparatus
05/17/2011US7941911 for manufacturing media with high density storage capabilities; chemical-mechanical polishing
05/12/2011WO2011056815A2 Plasma ion implantation process for patterned disc media applications
05/12/2011WO2011056433A2 Temperature control of a substrate during a plasma ion implantation process for patterned disc media applications
05/12/2011WO2011055949A2 Magnetic composite and method for manufacturing same
05/12/2011WO2011054602A1 Extended logical worm data integrity protection
05/12/2011WO2011054570A1 Cancellation of time-varying periodic disturbances in servo control systems
05/12/2011WO2011054568A1 Magnetic writer having multiple gaps with more uniform magnetic fields across the gaps
05/12/2011WO2011054558A1 Positioning coarse servo actuator of tape servo system to allow fine servo actuator to follow tape shift excursions
05/12/2011US20110111263 Glass substrate for information recording medium and information recording medium
05/12/2011US20110111262 Method for manufacturing perpendicular magnetic recording medium and perpendicular magnetic recording medium
05/12/2011US20110111261 Perpendicular magnetic recording media having a dual onset layer
05/12/2011US20110111260 Glass substrate for information recording medium and information recording medium
05/12/2011US20110111259 Low-Field Magnetic Domain Wall Injection Pad and High-Density Storage Wire
05/12/2011US20110111258 Radiation-curable vinyl chloride copolymer, radiation-curable composition, and magnetic recording medium
05/12/2011US20110111257 Magnetic recording medium and magnetic recording and reproducing apparatus
05/12/2011US20110111161 Glass substrate for information recording medium and information recording medium
05/12/2011US20110111160 Glass Substrate for Information Recording Medium and Information Recording Medium
05/12/2011US20110109999 Magnetic shield structure
05/12/2011US20110109998 Recording head with tilted orientation
05/12/2011US20110109997 Disk drive including a latch configured to lock an actuator in response to an external force
05/12/2011US20110109996 Manufacturing method for a head-stack assembly, apparatus for interconnection of the head-stack assembly, and head-stack assembly
05/12/2011US20110109995 Bearing lubricant, bearing and disk drive device
05/12/2011US20110109994 Substrate for magnetic disk and magnetic disk
05/12/2011US20110109993 Perpendicular magnetic recording write head with enhancement capacitor on slider body for write current overshoot at write current switching
05/12/2011US20110109992 Method for manufacturing magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
05/12/2011US20110109988 Systems and methods for compensating for crosstalk between nearby writers
05/12/2011US20110109987 Writing and reading multi-level patterned magnetic recording media, with more than two recording levels
05/12/2011US20110109984 Writing and reading multi-layer continuous magnetic recording media, with more than two recording layers
05/11/2011EP2320435A1 Metallic magnetic powder for magnetic recording and process for producing the metallic magnetic powder
05/11/2011EP2320417A1 Recording control device, recording control method, and recording control program
05/11/2011CN1945700B Disk drive, biasing calculation, biasing compensation, biasing table editing methods and recording media
05/11/2011CN1822109B Method and apparatus for forming surface shape, method and apparatus for forming flying surface shape of magnetic head
05/11/2011CN102057429A Systems and methods for adaptive target search
05/11/2011CN102054485A Disk drive suspension
05/11/2011CN102054484A Hard disk drive
05/11/2011CN102054483A Method to improve reader stability and writer overwrite by patterned wafer annealing