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
05/11/2011CN101609691B Method for making a master mold for nanoimprinting patterned magnetic recording disks
05/11/2011CN101202052B Improved magnetic head tabs combination, magnetic disk drive and manufacturing method thereof
05/11/2011CN101114459B Electromagnetic damping locking apparatus of disk driving unit
05/11/2011CN101046982B Magnetic recording medium
05/11/2011CN101034553B Perpendicular magnetic recording head and method of manufacturing the same
05/10/2011US7940617 Method for calibrating a spherical aberration compensation level in an optical drive
05/10/2011US7940614 Method and an apparatus for recording information, and an information recording medium
05/10/2011US7940497 Magnetic head device having rear positive pressure surface and rear side positive pressure surface
05/10/2011US7940496 Reinforced tape for a data storage device
05/10/2011US7940495 Magnetic head for perpendicular magnetic recording
05/10/2011US7940494 Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium
05/10/2011US7940491 Information storage device having a disk drive and a bridge controller PCB within a monolithic conductive nest
05/10/2011US7940490 Apparatus and method for improving bandwidth of a fine positioning mechanism data storage manufacturing and test equipment
05/10/2011US7940489 Method and apparatus for repeatable run-out compensation
05/10/2011US7940488 Storage device and gain adjusting device
05/10/2011US7940487 Heating a head disk assembly for a time interval prior to writing spiral servo tracks to the disk
05/10/2011US7940486 Thermally assisted magnetic head, head gimbal assembly, and hard disk drive
05/10/2011US7940485 Magnetic recording and reproducing apparatus having a magnetic read head with a spin-torque oscillator
05/10/2011US7939188 Magnetic stack design
05/10/2011US7938990 Pattern drawing method, method of manufacturing a master disk for manufacturing information recording media, and method of manufacturing an information recording medium
05/10/2011US7938975 Method for making a micro-fluid ejection device
05/05/2011WO2011053350A1 Mtj incorporating cofe/ni multilayer film with perpendicular magnetic anisotropy for mram application
05/05/2011WO2011052474A1 Method for examining a magnetic recording medium
05/05/2011WO2011052021A1 Magnetic recording device
05/05/2011WO2011034037A3 Glass blank, glass blank manufacturing method, manufacturing method for substrate for information recording medium, and manufacturing method for information recording medium
05/05/2011US20110104517 Single-layered ferromagnetic recording film with perpendicular magnetic anisotropy
05/05/2011US20110104516 Vertical magnetic recording medium
05/05/2011US20110104427 Glass substrates and methods of annealing the same
05/05/2011US20110102949 Method to improve reader stability and writer overwrite by patterned wafer annealing
05/05/2011US20110102948 Method and system for providing dual magnetic tunneling junctions usable in spin transfer torque magnetic memories
05/05/2011US20110102947 Magnetoresistance device
05/05/2011US20110102946 Controlling mechanical distortion in a member
05/05/2011US20110102945 Magnetic disk substrate, method for manufacturing the same, and magnetic disk
05/05/2011US20110102944 Method of producing a perpendicular magnetic recording medium and perpendicular magnetic recording medium
05/05/2011US20110102943 High areal density tape format and head
05/05/2011US20110102942 Writer and reader arrangements for shingled writing
05/05/2011US20110102941 Optimized write pole flare angle for side shield or semi side shiel PMR writer application
05/05/2011US20110102940 System, method and apparatus for planarizing surfaces with functionalized polymers
05/05/2011US20110102939 Spin valve element, method of driving the same, and storage device using the same
05/05/2011US20110102938 Power mode operation of a magnetic tape drive
05/05/2011US20110102937 Positioning coarse servo actuator of tape servo system to allow fine servo actuator to follow tape shift excursions
05/05/2011US20110102936 Perpendicular magnetic recording head and method for producing the same
05/05/2011US20110102935 Head-stack assembly including heat-dissipation and impedance-matching structure and hard-disk drive using the head-stack assembly
05/05/2011US20110102931 Hard disc device control circuit and hard disc device
05/05/2011US20110102930 Waveform based bit detection for bit patterned media
05/05/2011US20110102929 Disk drive and method of timing control for servo-data detection
05/05/2011US20110102928 Low frequency booster for rv/shock/fricton disturbance rejection
05/05/2011US20110102927 Multilevel pulse position modulation for efficient encoding of information into servo patterns
05/05/2011US20110100953 Method for producing thin film magnetic head having magnetoresistive effect element
05/05/2011DE102010049382A1 Verfahren zum Verhindern der Lesbarkeit von auf Festplatten gespeicherten Daten sowie Vorrichtung für die Zerkleinerung von Festplatten A method for preventing the readability of data stored on hard disks and apparatus for crushing hard drives
05/04/2011EP2317581A1 Magnetoresistance device
05/04/2011EP2317510A1 Single-layered ferromagnetic recording film with perpendicular magnetic anisotropy
05/04/2011CN201820446U Needle withdrawing mechanism for assembling rotating shaft used for hard disk drive
05/04/2011CN201820445U Assembly tool of latch in hard disk driver
05/04/2011CN1992105B Ring-shaped magnetic multi-layer film having metallic core and method for making same and use
05/04/2011CN1992104B Ring-shaped magnetic multi-layer film and method for making same and use
05/04/2011CN102047330A Vertical magnetic recording medium, vertical magnetic recording medium manufacturing method, and magnetic recording/reproduction device
05/04/2011CN102047329A Information recording/reproducing device
05/04/2011CN102047328A Information recording/reproducing device
05/04/2011CN102047327A Information recording/reproducing device
05/04/2011CN102044265A Patterned magnetic recording disk and method for making a master mold for the disk
05/04/2011CN102044264A Method of producing a magnetic disk device
05/04/2011CN102044263A Double patterning hard mask for damascene perpendicular magnetic recording (PMR) writer
05/04/2011CN102044262A Magnetic head driving piezoelectric ceramic actuator
05/04/2011CN102044261A Method for improving read-write speed of hard disk of computer
05/04/2011CN102044260A Disk drive suspension and manufacturing method therefor
05/04/2011CN102044259A Head gimbal assembly with contact detection
05/04/2011CN102044258A Suspension board with circuit and producing method thereof
05/04/2011CN102044257A Cantilever member, head gimbal assembly with same, and hard disk driver
05/04/2011CN102044256A Cantilever and manufacture method thereof, head gimbal assembly with cantilever, and hard disk driver
05/04/2011CN102044255A Magneto-resistive devices, information storage devices including the same and methods of operating information storage devices
05/04/2011CN102043332A Photosensitive resin composition, metal-base-containing circuit board and production method thereof
05/04/2011CN101572095B Slider tester and method for testing slider
05/04/2011CN101527143B Head stack assembly, manufacturing method thereof and multi-disc magnetic storage device
05/04/2011CN101410331B Magnetic material
05/04/2011CN101140762B Method and apparatus for loading a read/write head to a spinstand
05/03/2011US7936959 Apparatus for focusing plasmon waves
05/03/2011US7936648 Method and apparatus for overwriting data on recording-medium and the recording medium
05/03/2011US7936539 Bottom spin valve GMR sensor incorporating plural oxygen surfactant layers
05/03/2011US7936538 Controlled fly height slider with necked ABS
05/03/2011US7936537 Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
05/03/2011US7936536 Magnetic recording medium having lands with curved upper surfaces and magnetic recording and reproducing apparatus
05/03/2011US7936534 Apparatus for supporting a disk drive about a rotation centre which is outside a disk drive receiving portion for reducing vibrations and a disk drive test apparatus using same
05/03/2011US7936531 Thermally assisted magnetic head having an asymmetric plasmon antenna and manufacturing method thereof
05/03/2011US7936530 Method to write ramp-track
05/03/2011US7935264 Liquid discharge head and method of manufacturing the same
05/03/2011US7935187 Film forming apparatus
05/03/2011US7934808 Inkjet printhead with nozzle chambers each holding two fluids
05/03/2011US7934806 Inkjet nozzle incorporating piston actuator
05/03/2011US7934797 Printhead with reciprocating coils
05/03/2011US7934310 Process to manufacture a magnetic write head
05/03/2011US7934309 Methods of fabricating exchange-coupling film, magnetoresistive element, and thin-film magnetic head
05/03/2011CA2574544C Recording medium, and method and apparatus of controlling access to the recording medium
04/2011
04/28/2011WO2011049120A1 Method for producing magnetic recording medium and magnetic recording replaying device
04/28/2011WO2011049039A1 Magnetic recording medium and magnetic recording and reproducing device
04/28/2011WO2011048823A1 Hexagonal ferrite magnetic powder for magnetic recording, process for production thereof, and magnetic recording media using the powder
04/28/2011WO2011048746A1 Method for manufacturing master disk for magnetic transfer
04/28/2011WO2011048075A2 Spinstands for testing a head gimbal assembly
04/28/2011US20110097604 Perpendicular magnetic recording medium
04/28/2011US20110097603 Perpendicular magnetic recording medium and process for manufacture thereof