Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
02/2004
02/03/2004US6687452 Magnetic recording device
02/03/2004US6687205 Parallel coded spread spectrum communication for data storage
02/03/2004US6687197 High density information recording medium and slider having rare earth metals
02/03/2004US6687195 Magnetic recording head and magnetic recording device
02/03/2004US6687099 Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference
02/03/2004US6687098 Top spin valve with improved seed layer
02/03/2004US6687097 Electrostatic protection for magnetic heads
02/03/2004US6687096 Thin-film magnetic head and method of manufacturing same
02/03/2004US6687095 Rotatable actuator arm having an integral strut
02/03/2004US6687094 Head actuator for a data storage head having a low mass with lateral stiffness
02/03/2004US6687093 Head stack assembly shipping comb with temporary locating feature for internal head disk assembly build process and disk drive manufactured using the same
02/03/2004US6687092 Pivot bearing assembly for compensating for disk drive actuator tilt
02/03/2004US6687091 Suspension load beam for disk drive actuator with notch for reducing spring rate
02/03/2004US6687090 Head suspension assembly with head amplifier IC
02/03/2004US6687089 Thin film magnetic head with base coat and small pole-tip recess
02/03/2004US6687088 Disc drive head slider with recessed landing pads
02/03/2004US6687085 Perpendicular write head with high magnetization pole material and method of fabricating the write head
02/03/2004US6687084 Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface of yoke layer, and method of manufacturing the head
02/03/2004US6687083 Enhanced low profile magnet write head
02/03/2004US6687082 Magnetic head and manufacturing method thereof and magnetic recording and reproducing apparatus
02/03/2004US6687081 Disk drive using seek profile to enhance fly height control
02/03/2004US6687080 Method and apparatus for improved PES demodulation in the presence of thermal asperities
02/03/2004US6687079 Apparatus and method for providing servo gain linearization for a magneto-resistive head
02/03/2004US6687078 Disk drive for writing micro-jog values along the centerline of a reserved track and for writing user data offset from the centerline of a data track
02/03/2004US6687077 Method for controlling a spin motor in a disk drive during cleaning and read/write operations
02/03/2004US6687074 Magnetic recording and reproducing apparatus capable of preventing deterioration of transmission characteristic
02/03/2004US6687073 Method of simultaneously writing servo tracks on a hard disk drive
02/03/2004US6687072 Disk apparatus and information processing system discriminative plural external electronic appliances
02/03/2004US6687071 Magnetic tape drive apparatus and magnetic head cleaning method
02/03/2004US6687070 Method and apparatus for reading down-level tapes having distorted media
02/03/2004US6687069 Methods, apparatus and program products for determining off-track time shift estimates to be used in writing timing patterns on a storage medium
02/03/2004US6687068 Data reproduction apparatus and method
02/03/2004US6687067 Perpendicular signal equalization and timing recovery using Hilbert transform
02/03/2004US6687066 Partitioning disc drive read/write electronics to improve data transfer performance
02/03/2004US6687064 Write head fault detection circuit and method
02/03/2004US6686073 Magnetic recording medium containing specific binder in the magnetic layer and the lower non-magnetic layer
02/03/2004US6686072 Includes crystal orientation-determining film of specified crystal structure formed between the substrate and the undercoat film
02/03/2004US6686071 Film containing fe, co and/or ni oxides (may also contain alkaline earth metal, lanthanide and/or bismuth) magnetically exchange-coupled to the magnetic film
02/03/2004US6686070 Perpendicular magnetic recording media, magnetic recording apparatus
02/03/2004US6686069 Magnetic recording medium with improved control layer
02/03/2004US6686068 For use in disk drives
02/03/2004US6686025 Nonswelling; substrate containing concentric grooves; protective coating; liquid lubricants
02/03/2004US6686024 Nonmagnetic support overcoated with magnetic mixture of ferroelectric powder and binder
02/03/2004US6686022 Magnetic recording medium
02/03/2004US6686019 In-situ stabilization of composite lubricant/additive films on thin film media
02/03/2004US6686009 Tray for carrying magnetoresistive head of magnetic disk
02/03/2004US6685845 Process for producing magnetic head poles utilizing sputtered materials and a recording head made thereby
02/03/2004US6685179 Positioning device and positioning method
01/2004
01/29/2004WO2004010433A1 Data recording/reproduction device and data recording/reproduction method
01/29/2004WO2004010431A1 Servo track writer with helium bearing
01/29/2004WO2004010421A1 Magnetic tape and magnetic tape cartidge
01/29/2004WO2004010420A1 Patterned media optimized for data readback
01/29/2004WO2004010419A1 Dual stage enclosure for servo track writer utilizing low-density gas
01/29/2004WO2003096327A3 Magnetic recording head
01/29/2004US20040019745 Method and apparatus for implementing command queue ordering with benefit determination of prefetch operations
01/29/2004US20040019716 Multipurpose processor, system and method
01/29/2004US20040018929 Substrate for information recording medium and magnetic recording medium composed of crystallized glass
01/29/2004US20040018726 Patterned thin film and method of forming same
01/29/2004US20040018391 Perpendicular magnetic recording media
01/29/2004US20040018390 Perpendicular magnetic recording medium and method of manufacturing the same
01/29/2004US20040018389 Positioning soft layer between substrate and magnetic layer
01/29/2004US20040018388 Magnetic recording medium
01/29/2004US20040018356 Multilayer; nonmagnetic support, magnetic layer containing fatty ester lubricant; durability, wear resistance
01/29/2004US20040017694 Memory for storing information
01/29/2004US20040017657 Heat dissipator for otptical writing and/or reproducing apparatus
01/29/2004US20040017641 Magnetic tunnel junction sensor with non-shunting stabilization
01/29/2004US20040017640 Method of making a tic MR-head magnetic shield dummy shield spark gap
01/29/2004US20040017639 High-stability low-offset-field double-tunnel-junction sensor
01/29/2004US20040017638 Thin film magnetic head having improved heat radiating property
01/29/2004US20040017634 Portable storage device
01/29/2004US20040017632 Magnetic disk drive and control method therefor
01/29/2004US20040017631 Method and apparatus providing spiral servo control for skewless read/writes in a hard disk drive
01/29/2004US20040017629 Method, system, and program for performing error correction in a storage device having a magnetic storage medium
01/29/2004US20040016733 Laser adjustment of head suspension or head gimbal assembly static attitude
01/29/2004US20040016446 Apparatus and method for cleaning the magnetic head of a card reader
01/29/2004US20040016277 Method and system for gram load stabilization by repetitive mechanical back bending of a head suspension assembly
01/29/2004US20040016107 Self-limiting wear contact pad slider and method for making the same
01/29/2004US20040016106 Metal carbide air bearing surface layer on a silicon read/write head element
01/29/2004US20040016102 Dual actuator pivot bearing system and method for making the same
01/29/2004DE10309141A1 Optischer Einstrahlungskopf und Informationsaufzeichnungs/Reproduktionsanordnung Optical probe head and information recording / reproducing device
01/28/2004EP1385151A2 Magnetoresistive element having currrent-perpendicular-to-the-plane structure
01/28/2004EP1385059A1 Resist pattern thickening material, resist pattern and process for forming the same, and semiconductor device and process for manufacturing the same
01/28/2004EP1384056A1 Electronic flight kit and method
01/28/2004EP1250390B1 Composition and method for planarizing surfaces
01/28/2004CN2601253Y Microcrystalized glass substrate make-up appts. for magnetic disc
01/28/2004CN1471102A Disc drive system and method for high-speed access data track
01/28/2004CN1471086A Vertical magnetic recording medium
01/28/2004CN1471085A Information head arm assembly and disc drive device having same
01/28/2004CN1471084A Head position control method, disc device and servo track write method
01/28/2004CN1471083A Head position control method and disc device
01/28/2004CN1471082A Variable zoning method for disc drive
01/28/2004CN1471081A Variable storag area structure for disc drive and magnetic track spacing method
01/28/2004CN1471080A Optimized operation method for disc drive
01/28/2004CN1136578C Magnetic head driver for hard disc drive
01/28/2004CN1136577C Magnetic recorder
01/28/2004CN1136550C Optical disk recording/reproducing device having current monitoring circuit and method for operating same
01/28/2004CN1136545C 磁性记录介质 The magnetic recording medium
01/28/2004CN1136544C 磁记录媒质 The magnetic recording medium
01/28/2004CN1136543C Integrated suspending frame and data recording disc drive comprising same
01/28/2004CN1136542C Magnetic recording/playing device