Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
03/2008
03/25/2008US7349174 Soft sensor for operating shock in a disc drive
03/25/2008US7349173 Self-tuning settle controller in hard disk drives
03/25/2008US7349172 Certifying concentric data in eccentric servo data tracks of pre-formatted media
03/25/2008US7349167 Utilizing track identification fields for timing recovery
03/25/2008US7348079 Magnetic recording medium
03/25/2008US7348078 Perpendicular magnetic recording medium and magnetic storage apparatus
03/25/2008US7348077 Magnetic recording medium and magnetic recording apparatus
03/25/2008US7347952 Method of fabricating an ink jet printhead
03/25/2008US7347347 Head assembly, disk unit, and bonding method and apparatus
03/25/2008US7346978 Process of making a thin film magnetic head
03/25/2008US7346977 Method for making a magnetoresistive read head having a pinned layer width greater than the free layer stripe height
03/25/2008US7346976 Method for manufacturing a suspension for disc drive
03/20/2008WO2008033698A2 Tolerance ring for data storage with overlapping tab feature for mass control
03/20/2008WO2008032406A1 Magnetic disc device
03/20/2008US20080070066 applying magnetic coatings containing magnetic powders, binders and solvents, onto the surfaces of nonmagnetic supports, to form magnetic films and drying
03/20/2008US20080070065 substrates and ferromagnetic multilayers; magnetic disk heads used in disk drives
03/20/2008US20080070064 plating magnetic materials on a foundation layer containing transition metals and a base metals, to form thin films, for magnetic heads
03/20/2008US20080070063 Exchange coupling film and magnetic device
03/20/2008US20080070001 inserting a metal, carbon fiber, ceramic having rough surface with microholes, in mold cavity, injection compression molding a plastic ( polyseter (PBT), polyethylene, polyamide, polyphenylenesulfides, polyurethanes, polymethyl methacrylate, acetal resins etc.) to anchor plastic in microholes
03/20/2008US20080069538 Digital information recording/reproducing apparatus
03/20/2008US20080069259 Communication system
03/20/2008US20080068958 Write-once optical disc, and method and apparatus for recording/playback management information on/from optical disc
03/20/2008US20080068957 Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
03/20/2008US20080068956 Write once disc allowing management of data area, method of managing the data area, and apparatus and method for reproducing data from write once disc
03/20/2008US20080068954 Write once disc, disc drive therefor, and method of managing disc defect considering compatibility with rewritable disc drive
03/20/2008US20080068953 Write once disc allowing management of data area, method of managing the data area, and apparatus and method for reproducing data from write once disc
03/20/2008US20080068952 Track Jump Control Circuit
03/20/2008US20080068951 Disk drive apparatus and method for adjusting focus bias and spherical aberration correction value
03/20/2008US20080068950 Optical Disc Device and Optical Disc Semiconductor
03/20/2008US20080068949 Optical disk apparatus
03/20/2008US20080068948 Optical Disk, Recording Method, Recording Medium, And Optical Disk Unit
03/20/2008US20080068946 Information recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method
03/20/2008US20080068945 Information recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method
03/20/2008US20080068937 Electric Field Applying Magnetic Recording Method and Magnetic Recording System
03/20/2008US20080068767 Exchange-coupled film, method for making exchange-coupled film, and magnetic sensing element including exchange-coupled film
03/20/2008US20080068766 Magnetoresistance effect device having crystal grain boundary and method of manufacturing the same
03/20/2008US20080068765 Magnetoresistive effect element, magnetic head and magnetic reproducing apparatus
03/20/2008US20080068764 Magnetoresistance effect element, magnetic head, magnetic reproducing apparatus, and magnetic memory
03/20/2008US20080068763 Magnetic disk apparatus
03/20/2008US20080068762 Thin film magnetic head including thermal deformation-preventing layer
03/20/2008US20080068761 Magnetoresistive device, read head having the same, and storage having read head
03/20/2008US20080068760 Thin film magnetic head, magnetic recorder, and method for manufacturing thin film magnetic head
03/20/2008US20080068759 Piezoelectrically-controlled integrated magnetic device
03/20/2008US20080068758 Reduction of electrostatic charges in hard disk drives
03/20/2008US20080068757 Head Stack Assembly
03/20/2008US20080068754 Apparatus system and method for variable data density patterned media
03/20/2008US20080068752 Planar Bidirectional Tape Head With Planar Read And Write Elements
03/20/2008US20080068751 Low Track Pitch Write Module And Bidirectional Tape Head
03/20/2008US20080068750 Planar Write Module And Hybrid Planar Write-Vertical Read Bidirectional Tape Head
03/20/2008US20080068749 Thin-film magnetic head with coil-insulating layer that thermal expansion coefficient and young's modulus are specified
03/20/2008US20080068748 Thermally-assisted perpendicular magnetic recording system with write pole surrounding an optical channel and having recessed pole tip
03/20/2008US20080068747 Magnetic head for perpendicular magnetic recording and method of manufacturing same
03/20/2008US20080068744 Hard disk drive
03/20/2008US20080068743 Information recording/reproducing device
03/20/2008US20080068742 Air pressure sensor
03/20/2008US20080068741 Method of writing pattern in disk, method of following track on disk, and apparatus for writing pattern in disk
03/20/2008US20080068736 Magnetic Transfer Holder Unit, Transfer Apparatus, Method Of Manufacturing A Transfer Medium, And Magnetic Recording Medium
03/20/2008US20080068424 Ink jet printhead integrated circuit with surface-processed thermal actuators
03/20/2008US20080066294 Method to protect a GMR head from electrostatic damage during the manufacturing process
03/19/2008EP1901287A1 Position control method, position control device, and storage device having disturbance suppression function
03/19/2008EP1900690A1 Magnetic material
03/19/2008EP1899169A2 Luminescent/fluorescent label for a beverage container and method of making same
03/19/2008EP1665236A4 Optical recording /reproducing apparatus and method for determining optical power thereof
03/19/2008EP1573948A4 Digital audio production device
03/19/2008CN101147193A Glass substrate for magnetic disc, method for manufacturing such glass substrate, magnetic disc and method for manufacturing such magnetic disc
03/19/2008CN101145352A Perpendicular magnetic recording medium with an exchange-spring recording structure and a lateral coupling layer
03/19/2008CN101145351A Perpendicular magnetic recording medium
03/19/2008CN101145350A Method and apparatus for writing servo data and positioning head in a disk drive
03/19/2008CN101145349A Tunnel magnetoresistive element and manufacturing method thereof
03/19/2008CN101145348A Device and method for receiving and positioning a read/write head to a disk
03/19/2008CN101145347A Thermally-assisted perpendicular magnetic recording system
03/19/2008CN100376004C Method and apparatus for head positioning using servo control in a disk drive
03/19/2008CN100375998C Optical recording /reproducing apparatus and method for determining optical power thereof
03/18/2008US7345985 Optical disk, optical disk access device and access method
03/18/2008US7345979 Storage medium storing copy protection data in burst cutting area using the on-off keying modulation method
03/18/2008US7345971 Method for detecting stable rotation speed of a spindle motor, and optical disc drive that performs the method
03/18/2008US7345970 Recording medium, method of configuring control information thereof, recording and/or reproducing method using the same, and apparatus thereof
03/18/2008US7345966 Method and apparatus for achieving a short seek with a stepping motor
03/18/2008US7345855 Tunnel barriers based on rare earth element oxides
03/18/2008US7345854 GMR sensor having a reference layer with movable magnetization
03/18/2008US7345853 Device with ESD protection utilizing a shorting material between electrical pads or leads which are shorted then unshorted by severing the shorting material and then recreating the short by reapplying the shorting material
03/18/2008US7345852 Magnetoresistive element and magnetic memory device
03/18/2008US7345851 Disk drive with rotary piezoelectric microactuator
03/18/2008US7345850 Method and apparatus for utilizing an off-center gimbal to increase head to disk interface reliability for contact recording systems
03/18/2008US7345849 Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material
03/18/2008US7345844 Servo track writer with helium bearing
03/18/2008US7345842 Method and system for optimized servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registration
03/18/2008US7345840 Light delivery technique for heat assisted magnetic recording head
03/18/2008US7345839 Signal processing in a disc drive
03/18/2008US7345838 Magnetic recording media and magnetic recording and reproducing apparatus
03/18/2008US7345837 Disk drive that refreshes data on portions of a disk based on a number of write operations thereto
03/18/2008US7344786 Support having provided thereon a magnetic layer, wherein a smooth coating layer having a thickness of from 0.10 to 1 mu m, surface roughness of 5 nm or less, and 20 or less per 900 mu m2 of the protrusions having a height of 20 nm or more
03/18/2008US7344779 Magnetic powder
03/18/2008US7344330 Topographically defined thin film CPP read head fabrication
03/18/2008US7344073 Magnetic recording medium
03/18/2008US7343857 Imprint apparatus and method for imprinting
03/18/2008US7343669 Method of manufacturing a thin film magnetic head
03/18/2008US7343668 Method of manufacturing perpendicular magnetic recording head capable of highly precisely defining gap distance
03/18/2008US7343667 Methods of making a side-by-side read/write head with a self-aligned trailing shield structure
03/18/2008US7343666 Methods of making magnetic write heads with use of linewidth shrinkage techniques