Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
01/2004
01/06/2004US6673256 Wiring integrated flexure and method of manufacturing the same
01/02/2004EP1376625A2 Magnetic particle and its production method
01/02/2004EP1376556A2 Head position control method and disk storage device
01/02/2004EP1376548A2 Magnetic transfer system
01/02/2004EP1376547A1 Magnetic recording medium
01/02/2004EP1376546A1 Head used in combination with wide tape media
01/02/2004EP1376545A1 Head positioning method, and disk apparatus using the same
01/02/2004EP1376544A1 Magnetic head apparatus, magnetic head supporting mechanism and magnetic recording apparatus
01/02/2004EP1376543A2 Flux guide in the bearing surface of a magnetoresistive head
01/02/2004EP1376542A2 Circuit and method to match common mode line impedance and to achieve symmetrical switching voltage outputs of write driver
01/01/2004US20040003193 Method and apparatus for enhanced phase alignment for direct access storage device (DASD)
01/01/2004US20040003172 Fast disc write mechanism in hard disc drives
01/01/2004US20040002570 Using aqueous solution of polyurethane and cationic organonitrogen polymer as overcoating
01/01/2004US20040001976 Anode, cathode as magnetic shield; nonmagnetic electroconductive contactors; high density disks
01/01/2004US20040001975 Perpendicular magnetic recording medium and magnetic recording apparatus
01/01/2004US20040001974 Magnetically stable particulate magnetic recording medium having high signal-to noise ratio and method of assessing magnetic stability thereof
01/01/2004US20040001973 UV/EB cured integrated magnets-composition and method of fabrication
01/01/2004US20040001921 Coating in an environment that includes solvent vapor
01/01/2004US20040001657 Rolling bearing unit
01/01/2004US20040001421 Optical irradiation head and information recording/reproducing device
01/01/2004US20040001420 Heat assisted magnetic recording head with a planar waveguide
01/01/2004US20040001415 Manufacture of concentric patterns from spiral source
01/01/2004US20040001394 Apparatus and method for producing a small spot of optical energy
01/01/2004US20040001367 Increased packing density in self-organized magnetic tray
01/01/2004US20040001289 System and method for improving piezoelectric micro-actuator operation by preventing undesired micro-actuator motion hindrance and by preventing micro-actuator misalignment and damage during manufacture
01/01/2004US20040001288 Collocated metal frame PZT micro-actuator with a lower stiffness suspension design
01/01/2004US20040001287 Magnetic head supporting mechanism, magnetic head apparatus, head actuator using the magnetic head apparatus and magnetic recording apparatus
01/01/2004US20040001286 Head arm assembly and disk drive device with the head arm assembly
01/01/2004US20040001285 Magnetic head slider and method of manufacturing the same
01/01/2004US20040001283 Planar magnetic head and fabrication method therefor
01/01/2004US20040001282 Narrow write head pole tip fabricated by sidewall processing
01/01/2004US20040001279 Disk recording device for manufacturing hard disk drives
01/01/2004US20040001278 Seek trajectory scaling to compensate for low voice coil motor torque in a data storage device
01/01/2004US20040001277 Apparatus and method to calibrate servo sensors in a noisy environment
01/01/2004US20040001276 Apparatus and method to calibrate a servo sensor
01/01/2004US20040001275 Apparatus and method to read and/or write information to a magnetic tape medium
01/01/2004US20040001274 Apparatus and method to calibrate one or more transducers in a noisy environment
01/01/2004US20040001273 Head position control method and disk device
01/01/2004US20040001271 Apparatus and method to erase a magnetic tape
01/01/2004US20040001270 Detection of defects embedded in servo pattern on stamper by using scattered light
01/01/2004US20040001269 Control system and memory control method executing a detection of an error in a formation in parallel with reading operation
01/01/2004US20040001268 Compensation for non-linearity in the servo writing process by program pattern delay
01/01/2004US20040001267 Apparatus and method to calibrate a servo sensor
01/01/2004US20040001266 Redundant servo pattern stamper
01/01/2004US20040000682 Magnetoresistive sensor with reduced side-reading effect
01/01/2004US20040000477 Apparatus and method for obtaining symmetrical junctions between a read sensor and hard bias layers
01/01/2004US20040000374 Method of producing a magnetic recording medium and a magnetic recording medium formed thereby
12/2003
12/31/2003WO2004001812A1 Device for liquid treatment of disk-shaped objects
12/31/2003WO2004001779A1 Method of producing nife alloy films having magnetic anisotropy and magnetic storage media including such films
12/31/2003WO2004001756A1 Disc drive component with self-assembled monolayers______
12/31/2003WO2004001744A2 Low friction, wear resistant coatings for high speed spindle motors in disc drive/storage applications
12/31/2003WO2004001730A1 Method and device for determining a set of recording pulse series parameters for optical carrier recording and optical record carrier
12/31/2003WO2004001725A1 Multilayer magnetic recording media
12/31/2003WO2004001724A1 Optical waveguide path for a thermal-assisted magnetic recording head
12/31/2003WO2004000567A1 Mold tool method of manufacturing a mold tool and storage medium formed by use of the mold tool
12/31/2003WO2002075726A3 Avoiding write to read interference during self-servowriting
12/31/2003CN1464916A Process for production of ultrathin protective overcoats
12/31/2003CN1464509A Disk recording device for manufacturing hard disk drives
12/31/2003CN1133333C Digital recording reproducing device
12/31/2003CN1133155C Magnetic head and mfg. method therefor
12/31/2003CN1133154C Tracking error signal detecting device, message recording device and its adjusting method
12/31/2003CN1133153C Magnetic head and manufacturing method thereof
12/30/2003US6671790 Optimizing reader to writer offset compensation for a disc drive
12/30/2003US6671775 Spare area management method of optical recording medium
12/30/2003US6671455 Magnetic recording apparatus and method therefor, and magnetic recording and reproduction apparatus and method therefor
12/30/2003US6671235 Method of and apparatus for defining disk tracks in magnetic recording media
12/30/2003US6671232 Method and apparatus for measuring the surface temperature of a disk
12/30/2003US6671141 Tunnel magnetoresistive effective element, a thin film magnetic head, a magnetic head device and a magnetic disk drive device
12/30/2003US6671140 Magnetic head using a magnetoresistance effect based on ferromagnetic junction, and magnetic recording/reproducing apparatus using the same
12/30/2003US6671139 In-stack longitudinal bias structure for CIP spin valve sensors with bias layer electrically insulated from free layer
12/30/2003US6671138 Multi-layer magnetoresistive head and information-reproducing system
12/30/2003US6671137 Magnetoresistive head including earth members
12/30/2003US6671136 Magnetic head and magnetic disk apparatus
12/30/2003US6671135 Thin film magnetic head recessed partially into substrate and including planarization layers
12/30/2003US6671134 Thin film magnetic head and method of manufacturing the same
12/30/2003US6671133 Thin-film magnetic head and method of manufacturing same
12/30/2003US6671132 Microactuator magnetic circuit
12/30/2003US6671131 Precise positioning actuator for head element, head gimbal assembly with the actuator and manufacturing method of head gimbal assembly
12/30/2003US6671130 Apparatus for supporting a recording/reading head and assembling a flex circuit in a disc drive
12/30/2003US6671129 Contact type magnetic disc apparatus
12/30/2003US6671128 Recording head with oppositely directed microstrip waveguide conductors to induce a magnetic write field for longitudinal or perpendicular magnetic recording
12/30/2003US6671127 Magnetic recording system with single coil for thermally assisted writing
12/30/2003US6671121 Minimizing milli-actuator reactive impulse and excessive power current
12/30/2003US6671120 Head carriage assembly drive system and disk drive
12/30/2003US6671119 Method and apparatus to encode position error signal correction information
12/30/2003US6671118 Common mode termination method and apparatus for a write head
12/30/2003US6671117 Magnetic writer for noise suppression in perpendicular recording media
12/30/2003US6671116 Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization
12/30/2003US6671115 Servo signal processing apparatus, recorded data reading apparatus and method for processing servo signal
12/30/2003US6671113 Characteristically terminated write driver with compensation for magnetic response and method therefor
12/30/2003US6671112 Semiconductor integrated circuit device
12/30/2003US6671111 Readback signal detection and analysis in a magnetic data storage system
12/30/2003US6671110 Method and apparatus for detecting abnormal magnetic head fly height
12/30/2003US6670309 Method and apparatus for preparing fluorine-based solvent
12/30/2003US6670057 Magnetic recording medium and magnetic storage apparatus
12/30/2003US6670056 Perpendicular magnetic recording medium and magnetic read/write apparatus
12/30/2003US6670055 Magnetic recording medium and manufacturing method therefor
12/30/2003US6670032 Oriented magnetic medium on a nonmetallic substrate
12/30/2003US6670030 Biaxially oriented laminate polyester film for magnetic recording medium
12/30/2003US6669983 Manufacturing method of thin-film magnetic head with magnetoresistive effect element