Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
09/2008
09/30/2008US7430158 Music player with adjustable pitch controller
09/30/2008US7430157 Recording device, recording method, reproducing device, and reproducing method
09/30/2008US7430155 Defect area management system and method for optical storage medium
09/30/2008US7430098 Perpendicular magnetic recording head with dynamic flying height heating element
09/30/2008US7430097 Actuator with fluid-redirecting and drag-reducing surface features
09/30/2008US7430096 Head suspension with etched rail load beam
09/30/2008US7430095 Tapered write pole for reduced skew effect
09/30/2008US7430093 Seek control method of hard disk drive, recording medium storing method and hard disk drive adopting method
09/30/2008US7430092 Control apparatus, storage apparatus, and computer product
09/30/2008US7430091 Method and apparatus for improving the performance of a disk drive
09/30/2008US7430086 Discrete track recording method, storage apparatus and method of producing storage apparatus
09/30/2008US7430085 Disk device and method of generating signal representing head
09/30/2008US7430084 Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML viterbi detector
09/30/2008US7430083 Virtual head fly profile measurement
09/30/2008US7430082 Circuit and method for demodulating a servo position burst
09/30/2008US7429857 Magnetic head and disk X-Y test assembly with optimized arrangement for skew angle
09/30/2008US7429427 High and ultra-high areal recording density media, e.g., hard disks
09/30/2008US7429336 Inkjet printheads
09/30/2008US7429335 Substrate passage formation
09/30/2008US7429209 Method of polishing a glass substrate for use as an information recording medium
09/30/2008US7428776 Method of manufacturing a magnetic head
09/25/2008WO2008115291A2 Electronic devices based on current induced magnetization dynamics in single magnetic layers
09/25/2008WO2008114373A1 Write-once memory device, control circuit and control method
09/25/2008WO2008114359A1 Disc failure prediction device, disc drive, disc controller, disc failure prediction method
09/25/2008US20080233835 Pin adapter for air bearing surface (abs) lapping and method for using the same
09/25/2008US20080233435 Polymer Thin Film, Patterned Substrate, Patterned Medium for Magnetic Recording, and Method of Manufacturing these Articles
09/25/2008US20080233330 Silicon substrate for magnetic recording media and method of fabricating the same
09/25/2008US20080232218 Methods and apparatus to monitor and control hard-disk head position
09/25/2008US20080232216 Focus Control Scheme with Jumping Focal Point
09/25/2008US20080232213 Feedback Control Loop for Bit Detection in an N-Dimensional Data Block
09/25/2008US20080232003 Magnetoresistance effect device, magnetic lamination structural body, and manufacture method for magnetic lamination structural body
09/25/2008US20080232002 Mram tunnel barrier structure and methods
09/25/2008US20080232001 Perpendicular write head having a stepped flare structure and method of manufacture thereof
09/25/2008US20080232000 Magnetic write head with upper return pole optimization for reduced trailing shield protrusion
09/25/2008US20080231999 Tunneling magnetoresistive device and magnetic head comprising the same
09/25/2008US20080231998 Magnetoresistive effect device and magnetic random access memory using the same
09/25/2008US20080231997 Voice coil motors and magnetic circuits therefor
09/25/2008US20080231996 Voice coil motors and magnetic circuits therefor
09/25/2008US20080231995 Assembled Magnetic Energy Generator as Well as Its Magnetic Light
09/25/2008US20080231994 Perpendicular recording magnetic head
09/25/2008US20080231993 Head slider having light emission device and optical absorption, method for controlling flying height thereof, and controlling circuit thereof
09/25/2008US20080231991 Method of Manufacturing a Magneto-Optical Device
09/25/2008US20080231989 Rotor magnet, spindle motor comprising the same, recording and reproducing apparatus, and jig for manufacturing the same
09/25/2008US20080231984 Apparatus and method to minimize amplitude variations associated with media/head response characteristics in servo writing of perpendicular magnetic recording
09/25/2008US20080230513 Method of manufacturing ink-jet print head
09/24/2008EP1973107A1 Voice coil motor and magnetic circuit therefor
09/24/2008EP1973106A1 Ramp in hard disc
09/24/2008EP1973105A2 Voice coil motor and magnetic circuit therefor
09/24/2008EP1971921A2 Degaussing for write head
09/24/2008EP1150279B1 Recording Head Clogging Detection Method and its Device
09/24/2008CN101273406A Method of generating strong spin waves and spin devices for ultra-high speed information processing using spin waves
09/24/2008CN101271693A Disk drive and preamplifier and flexible printed cable component used thereof
09/24/2008CN101271692A Micro actuator with at least one fragment type flexible side arm and manufacturing method thereof
09/24/2008CN101271174A Metallic waveguide and method of fabricating the same, light delivery module and heat assisted magnetic recording head
09/24/2008CN100421155C Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus
09/24/2008CN100421154C Actuator using piezoelectric element and head-positioning mechanism using the actuator
09/23/2008US7428202 Write-once read-many information recording medium, information recording method, information reproduction method, information recording apparatus, and information reproduction apparatus
09/23/2008US7428200 Method for triggering through disc grooves and related optical analysis discs and system
09/23/2008US7428196 Writing data to an optical disc
09/23/2008US7428130 Magnetoresistive element, magnetic head, magnetic storage unit, and magnetic memory unit
09/23/2008US7428129 Methods and apparatus for improved hard magnet properties in magnetoresistive read heads using a multi-layered seed layer structure
09/23/2008US7428128 High read output, high sensitivity magnetic sensing element
09/23/2008US7428127 CPP magnetoresistive effect element and magnetic storage device having a CPP magnetoresistive effect element
09/23/2008US7428126 Domain wall free shields of MR sensors
09/23/2008US7428125 Rotating disk storage device and pivot bearing
09/23/2008US7428124 Magnetic recording head with resistive heating element and thermal barrier layer
09/23/2008US7428123 Perpendicular magnetic head with yoke overlapping inner side portion and increasing in width and thickness along height
09/23/2008US7428122 Hermetically sealed disk drive with low height
09/23/2008US7428121 Method of locking tape cassette housing of tape recorder
09/23/2008US7428120 System and method for deconvolution of multiple data tracks
09/23/2008US7428116 Method for a cyclic dibit response estimation in a media system using a data set separator sequence
09/23/2008US7428115 Magnetic hard disk drive with countermeasure against spike noise
09/23/2008US7427446 Magnetic recording medium with antiparallel magnetic layers and CrN based underlayer, magnetic storage apparatus and method of producing magnetic recording medium
09/21/2008CA2626820A1 High-frequency rfid printer
09/18/2008WO2008111427A1 Information recording apparatus, glass substrate for information recording medium used in the information recording apparatus and magnetic recording medium
09/18/2008WO2008111387A1 Substrate for recording medium and method for producing substrate for recording medium
09/18/2008WO2008111370A1 Perpendicular magnetic recording medium and magnetic recording/reproducing device
09/18/2008US20080227370 Substrate for magnetic disk
09/18/2008US20080226950 Stably produced high performance low anisotropy constant soft magnetic layer; heat resistance; ease of writing, overwrite performance; signal to noise ratio
09/18/2008US20080226949 Viscoelastic material inside protective constraint material pocket with edge offsets; reducing exposure of viscoelastic material to debris contamination
09/18/2008US20080226948 Magneto-resistance effect element having diffusion blocking layer and thin-film magnetic head
09/18/2008US20080226947 Magneto-resistance effect element having free layer including magnetostriction reduction layer and thin-film magnetic head
09/18/2008US20080226946 Magnetic disc, stamper for making magnetic disc, and method for making magnetic disc
09/18/2008US20080226817 Anisotropic perpendicular magnetic recording media; improved signal-to-medium noise ratio; data information storage and retrieval media, hard disks; disk-shaped precursor; spin-coated thin-film layers; apply radially oriented magnetic alignment field tilted at preselected, controllable 45 degree angle
09/18/2008US20080225680 Data reproduction apparatus and data reproduction method
09/18/2008US20080225668 Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method
09/18/2008US20080225667 Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method
09/18/2008US20080225666 Recording medium playback device and recording medium playback method
09/18/2008US20080225663 Method and apparatus for determining if an optical disk originated from a valid source
09/18/2008US20080225662 Information recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method
09/18/2008US20080225661 Optical Apparatus Capable of Generating Adaptive Control Signals
09/18/2008US20080225443 Tunneling magnetic sensing element and method for producing same
09/18/2008US20080225442 Magnetic head
09/18/2008US20080225441 Magnetic head
09/18/2008US20080225440 Input Operation Device
09/18/2008US20080225439 Magnetic head actuator assembly
09/18/2008US20080225438 Laminate for Suspension and Method for Producing Same
09/18/2008US20080225437 Head gimbal assembly with low head disk interaction response
09/18/2008US20080225436 Perpendicular magnetic recording head and manufacturing method thereof
09/18/2008US20080225435 Magnetic writer for field assisted magnetic recording