Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
07/2007
07/03/2007US7240276 Method and apparatus for turbo coding and decoding in a disk drive
07/03/2007US7240248 Apparatus and method for reducing false triggering of a signal due to an electrostatic discharge event
07/03/2007US7239599 Light irradiation head and information storage apparatus
07/03/2007US7239594 Self-referenced holography using element formed on a holographic medium
07/03/2007US7239591 Optical disk, optical disk recording method and optical disk apparatus
07/03/2007US7239586 Optical disk device and recording power determining method
07/03/2007US7239584 Method and apparatus for protection of data carrying discs
07/03/2007US7239489 Tunneling magnetoresistive (TMR) sensor having a magnesium oxide barrier layer formed by a multi-layer process
07/03/2007US7239488 MR sensor on an insulating substrate and method of manufacture
07/03/2007US7239487 Micro-electro-mechanical actuator for positioning a device such as a read/write head in a disk drive
07/03/2007US7239486 System and apparatus for reducing off-track gain for a disk drive actuator
07/03/2007US7239485 Localized heating element for a suspension assembly
07/03/2007US7239484 Mounting method of magnetic head component, magnetic head device and manufacturing method of magnetic head device utilizing solder balls with nonmelting cores
07/03/2007US7239483 Magnetic disk with specified contact ratio [BH 1.0 nm] and circumferential texturing and magnetic disk apparatus equipped with magnetic disk
07/03/2007US7239482 Thin-film magnetic head and nonmagnetic body filled concave portion formed on a pole layer and magnetic storage apparatus using the same
07/03/2007US7239481 Magnetic head having multilayer heater for thermally assisted write head and method of fabrication thereof
07/03/2007US7239480 Thin film magnetic head having an upper pole portion with a width that increases towards an abs
07/03/2007US7239479 Thin film magnetic head and manufacturing method thereof
07/03/2007US7239478 Write element for perpendicular recording in a data storage system
07/03/2007US7239473 Tape guide mechanism of magnetic recording reproducing device
07/03/2007US7239472 Method and apparatus for writing data in a disk drive
07/03/2007US7239467 Storage media reading writing system
07/03/2007US7239466 Magnetic head device and magnetic recording device
07/03/2007US7239465 Multiple section head assembly for dual azimuth recording
07/03/2007US7239196 Filter circuit
07/03/2007US7238979 Buffer (seed) layer in a high-performance magnetic tunneling junction MRAM
07/03/2007US7238902 Slider
07/03/2007US7238439 Electromagnetic recording; durability; high density storage; rare earth elements, silicon, aluminum and iron nitride
07/03/2007US7238438 Flat-acicular iron oxide particles having an average major axis length of 20-00 nm, a short axis cross-section that has a long width and a short width, and a short axis cross-section ratio that is greater than 1.3 and uniform in the long axis direction; powder contains phosphorus and a rare earth element
07/03/2007US7238385 Forming a layer of Ru over a layer of S1 magnetic material; forming a thin layer consisting of Cr over the Ru; and forming a top layer of magnetic material; the Cr diffuses into and between grains of the magnetic top layer; decoupling the magnetic grains reduces magnetic disk noise
07/03/2007US7238384 Under coating a film of a metal selected from nickel, copper or silver on a silicon single crystal, by electroless plating, a plated soft magnetic layer is formed on the under-plated layer by electroless plating; polishing the soft magnetic layer to a preferred roughness; pretreatment chemical etching
07/03/2007US7238292 Method of fabricating a write element with a reduced yoke length
07/03/2007US7237323 Method for manufacturing a magnetic head
07/03/2007US7237322 Method for making a tunnel valve head with a flux guide
07/03/2007US7237321 Method for fabricating a CPP magnetic transducer using CMP-assisted lift-off and a CMP-resistant metal layer
07/03/2007US7237320 Methods of orienting an easy axis of a high-aspect ratio write head for improved writing efficiency
06/2007
06/28/2007WO2007072835A1 Magnetic disk substrate and magnetic disk thereof
06/28/2007US20070149084 Natural fiber as core material in composite sandwich structure
06/28/2007US20070148501 Ferromagnetic powder for a magnetic recording medium, method of producing the powder, and magnetic recording medium using the powder
06/28/2007US20070148500 excellent signal to noise ration and can conduct high density recording, by providing fine particle diameter to the magnetic crystal grains without forming distortion of crystallinity and orientation of the magnetic crystal grains; grain boundary field includes titanium oxides, TiO, Ti2O3, and TiO2
06/28/2007US20070148499 Perpendicular magnetic recording disk and manufacturing method thereof
06/28/2007US20070148442 Thermosetting resin composition, material for substrate and film for substrate
06/28/2007US20070148407 Water-Repellent Structure and Method for Making the Same
06/28/2007US20070147212 Method and apparatus for recoding optical infomation, and optical disk
06/28/2007US20070146939 Narrow gap current perpendicular to plane (CPP) magnetoresistive sensor
06/28/2007US20070146938 Head arm and information storage apparatus
06/28/2007US20070146937 Recording medium drive including latch member for head actuator member
06/28/2007US20070146936 Recording medium drive including latch member for head actuator member
06/28/2007US20070146935 Magnetic disk apparatus
06/28/2007US20070146934 Method and apparatus for a base plate used in a head gimbal assembly of a hard disk drive
06/28/2007US20070146933 Magnetic head device
06/28/2007US20070146932 Circumferentially patterned disk for longitudinal and perpendicular recording and method of manufacturing same
06/28/2007US20070146931 Method for fabricating a side shield for a flux guide layer for perpendicular magnetic recording
06/28/2007US20070146930 Head for perpendicular recording with a floating-trailing shield
06/28/2007US20070146929 Perpendicular head with the shield which approaches through the continuous non-magnetic film to the flare point of the main pole
06/28/2007US20070146928 Ultra thin seed layer for CPP or TMR structure
06/28/2007US20070146926 Electronic device receiving apparatus and method of loading/unloading an electronic device at electronic device receiving apparatus
06/28/2007US20070146925 Differential Timing Based Servo Pattern for Magnetic-Based Storage Media
06/28/2007US20070146922 Write current boosted head amplifier
06/28/2007US20070146921 Hard disk drive and method for managing scratches on a disk of the hard disk drive
06/28/2007US20070146920 Magnetic disk drive, method for registering defective sector, and method for controlling flying height
06/28/2007US20070146919 Magnetic disk system
06/28/2007US20070146918 Master medium and magnetic recording medium
06/28/2007US20070146432 Inkjet printhead with spillage pits
06/28/2007US20070145971 Magnetic head and disk X-Y test assembly with optimized arrangement for skew angle
06/28/2007US20070144307 Fine composite metal particles and their production method, micro-bodies, and magnetic beads
06/28/2007US20070143986 Method for loading single head in a hard disk drive
06/28/2007US20070143985 Plate member, magnetic element using the same, and magnetic element manufacturing method
06/28/2007US20070143984 Method of manufaturing a digital magneto-optical signal write/read head
06/27/2007EP1801790A1 Perpendicular magnetic recording disk with ultrathin nucleation film and method for making the disk
06/27/2007EP1801789A2 Disk drive and control method in disk drive
06/27/2007EP1800774A2 Fine composite metal particles and magnetic beads
06/27/2007CN1989554A Recording medium, and method and apparatus of controlling access to the recording medium
06/27/2007CN1989551A Substrate for magnetic recording medium, magnetic recording medium and magnetic recording/reproducing device
06/27/2007CN1989230A Lubricant solution for magnetic recording media, containing fluorinated polyether compound as lubricant
06/27/2007CN1989228A Lubricant for recording medium and magnetic disk
06/27/2007CN1988199A Magnetic tunnel structure suitable for device and its use
06/27/2007CN1988026A Method of bonding flying leads
06/27/2007CN1988006A Magnetic recording medium, stamper recording/reproducing apparatus and method of measuring a parameter
06/27/2007CN1988005A Perpendicular magnetic recording disk and method for making the disk
06/27/2007CN1988004A Magnetic recording medium and magnetic recording/reproducing apparatus
06/27/2007CN1988003A Method and apparatus for head positioning control in a disk drive
06/27/2007CN1988002A Method for controlling magnetostriction in a free layer of a magnetoresistive sensor
06/27/2007CN1988001A Method for fabricating a side shield for a flux guide layer for perpendicular magnetic recording
06/27/2007CN1988000A Disk drive and control method in disk drive
06/27/2007CN1986876A Improved carbon beam deposition chamber for reduced defects
06/27/2007CN1986717A Polishing composition for hard disk substrate
06/27/2007CN1323386C Magnetoresistive element, magnetic head and magnetic recording/reproducing apparatus
06/27/2007CN1323018C Magnetic tape separate winder
06/26/2007US7236836 System for signal processing and signal transmission
06/26/2007US7236438 Method and apparatus for determining recording pulse parameters for an optical disc
06/26/2007US7236436 Controller for data recorder
06/26/2007US7236392 Method and apparatus for testing tunnel magnetoresistive effect element
06/26/2007US7236336 Method and apparatus for providing a free layer having higher saturation field capability and optimum sensitivity
06/26/2007US7236335 Magnetoresistive head
06/26/2007US7236334 Repeatable ESD protection utilizing a process for unshorting a first shorting material between electrical pads and reshorting by recreating the short
06/26/2007US7236333 Domain wall free shields of MR sensors
06/26/2007US7236331 System and method to provide a ramp having a location which is transitioning from a first grade to a second grade for removing a read/write head from a media
06/26/2007US7236330 Disk head stability system
06/26/2007US7236329 Head slider having extension rails to provide uniform flotation and magnetic disk device including the same