Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
02/2002
02/26/2002US6351347 Magnetic head
02/26/2002US6351346 Head slider
02/26/2002US6351345 Air bearing slider and method of producing the same
02/26/2002US6351342 Disc drive servo system with dual head sampling
02/26/2002US6351341 Apparatus and method for providing axial control outside impact resistance of a hard disk drive to maintain a constant flying height of a head by control of a suspension
02/26/2002US6351340 AC erase system and method for data storage media
02/26/2002US6351339 Multi-dimensionally oriented magnetic field information storage system
02/26/2002US6351119 Magnetic detecting element utilizing magnetic impedance effect
02/26/2002US6350844 Polyimide film and electric/electronic equipment bases with the use thereof
02/26/2002US6350556 Method of forming thin film pattern and pole portion of thin film magnetic head
02/26/2002US6350506 Textured surface and method
02/26/2002US6350505 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium
02/26/2002US6350487 Spin-valve type thin film element and its manufacturing method
02/26/2002US6350178 Zone textured magnetic recording media and methods for their production
02/26/2002US6349464 Method of making a balance-compensated rotary actuator based upon track-follow performance of a rotatable test head stack assembly portion
02/26/2002CA2134650C Encapsulated magnetic particles, pigments and carbon black, compositions and methods related thereto
02/21/2002WO2002015174A1 Method and system for recovery of lateral position of a servo system with respect to longitudinal servo bands of a magnetic tape
02/21/2002WO2002015173A1 Method and position control for a servo system for positioning a head laterally with respect to defined servo tracks
02/21/2002WO2002015172A1 A magnetic head
02/21/2002WO2001057854A3 Rotational acceleration correction in a disc drive
02/21/2002WO2001043122A3 Magnetic disc having physical servo patterns with a magnetic carrier, and method of making and using the same
02/21/2002US20020023248 Medium defect detection method and data storage apparatus
02/21/2002US20020022198 Etching magnetizable zones
02/21/2002US20020022154 Multilayer; light transmission substrate; nitride of gadolinium, iron, cobalt
02/21/2002US20020022152 Controlling particle sizes; materials handling
02/21/2002US20020022147 Method of making magnetic recording medium utilizing die
02/21/2002US20020022130 Photopolymerization
02/21/2002US20020022111 Laminar structure overcoating substartes
02/21/2002US20020021889 Magnetic tape recording apparatus and method, magnetic tape playback apparatus and method, format of magnetic tape, and recording medium
02/21/2002US20020021537 Exchange coupling film and magnetoresistive element using the same
02/21/2002US20020021536 Magnetic tunnel effect type magnetic head, and recorder/player
02/21/2002US20020021535 Magnetic disk drive
02/21/2002US20020021534 Magneto-resistive effect type magnetic head and magnetic tape apparatus
02/21/2002US20020021533 Head drum assembly for tape recorder
02/21/2002US20020021532 Fiber reinforced laminate actuator arm for disc drives
02/21/2002US20020021531 Magnetic head apparatus and magnetic disk apparatus having the magnetic head apparatus
02/21/2002US20020021529 Magnetic head
02/21/2002US20020021528 Thin-film coil and method of manufacturing same and thin-film magnetic head and method of manufacturing same
02/21/2002US20020021526 Method and apparatus for controlling a voice coil motor of a hard disk drive
02/21/2002US20020021525 Position sensing system for disc drive magnetic microactuators
02/21/2002US20020021524 Optical apparatus for tracking a magnetic tape
02/21/2002US20020021523 Displacement detection apparatus, and magnetic recording apparatus and encoder using the displacement detection apparatus
02/21/2002US20020021522 Magnetic transfer apparatus and magnetic recording medium
02/21/2002US20020021521 Disk device and data-erasing method
02/21/2002US20020021518 Digital VFO phase control device
02/21/2002US20020021517 Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores
02/21/2002US20020021516 Configuration of channel-to-controller interface in a disc drive
02/21/2002US20020021515 Device and method for measuring the properties of a magnetic reproducing head
02/21/2002US20020021514 Tape drive and servo system stabilization method
02/21/2002US20020020484 Methods for making data storage media and the resultant media
02/21/2002DE10123971A1 Cleaning stick comprises a shaft and a conical head end which is covered by a cloth sealed to the shaft and to itself
02/20/2002CN1337045A Method and apparatus for adaptive feedforward cancellation
02/20/2002CN1337044A Device for positioning a transducing head by means of a drive a microactuator
02/20/2002CN1336942A Polyester composition, film made thereof, and magnetic recording medium
02/20/2002CN1336664A Method and device for regulating angle position of magnetic head unit
02/20/2002CN1336661A Negative pressure air lubricating bearing floating block
02/20/2002CN1336651A Optical element, optical head and signal reproducing method
02/20/2002CN1336637A Method for prodn. of glass substrate used as magnetic recording medium
02/20/2002CN1336636A Large magneto-resistive sensor having reverse parallel coupling and low HK freedom layer
02/20/2002CN1336635A Magnetic head, magnetic recording and reproducing device, method for reproducing/recording magnetic recording information
02/20/2002CN1079560C Single-ended supply preamplifier with high power supply rejection ratio
02/20/2002CN1079559C Apparatus for switching channels within multi-channel read/write preamplifier circuit
02/19/2002US6349356 Host-available device block map for optimized file retrieval from serpentine tape drives
02/19/2002US6349081 Recording medium, recording apparatus and recording method
02/19/2002US6349078 Track-number seeking algorithm and seeking means for dynamic modification of track numbers computing in an optical storage device
02/19/2002US6349053 Spin dependent tunneling memory
02/19/2002US6349021 Thin film magnetic head
02/19/2002US6349020 Head tilting mechanism for tape drives
02/19/2002US6349019 Magnetic head device with constant head floating height
02/19/2002US6349018 Negative pressure air bearing slider
02/19/2002US6349017 Magnetic head suspension assembly using bonding pads of a slider to an attachment surface of a flexure
02/19/2002US6349014 Magnetic read/write device with insulated coil layer recessed into pole
02/19/2002US6349013 Sensor for identifying a magnetic recording medium utilizing rotatable flags which cooperate to enter a cut-out portion in the medium
02/19/2002US6349012 Magnetic recording and/or reproducing apparatus
02/19/2002US6349011 Automatic tracking system and tracking method
02/19/2002US6349010 Apparatus for recording data in parallel tracks
02/19/2002US6349009 Head assembly with integrated write current shaping circuit
02/19/2002US6349008 Magnetic recording media, magnetic heads and magnetic read-write apparatus using the same
02/19/2002US6349007 Magneto-resistive head open and short fault detection independent of head bias for voltage bias preamplifier
02/19/2002US6348661 Corrosion protection for wireless flexure
02/19/2002US6348276 Magnetic recording media with a surface-oxidized nial sub-seedlayer
02/19/2002US6348274 Magnetoresistive element and magnetic recording apparatus
02/19/2002US6348266 Amphiphillic lubricants for magnetic media
02/19/2002US6347983 ELG for both MRE sensor height and resistance monitoring
02/14/2002WO2002013208A1 Magnetic element with switchable domain structure
02/14/2002WO2002013190A1 Antiferromagnetically coupled magnetic recording media
02/14/2002WO2002013189A1 Bonding pad of suspension circuit
02/14/2002WO2002013188A1 Method of manufacturing a magnetic head having a planar coil
02/14/2002WO2002013187A2 Tape head modules having adjacent substrates each provided with write and/or read elements
02/14/2002WO2002013123A2 Locating index mark in rotating storage media
02/14/2002WO2001086656B1 Compression and storage of written-in error compensation tables in an embedded servo disc drive
02/14/2002US20020019199 Abrasive article suitable for abrading glass and glass ceramic workpieces
02/14/2002US20020018920 High density recording; cobalt, chromium alloy; nitriding, oxidation
02/14/2002US20020018919 Manganese alloy
02/14/2002US20020018918 Magnetic disk
02/14/2002US20020018917 Perpendicular magnetic recording medium
02/14/2002US20020018916 Magnetic thin film and process for producing the same
02/14/2002US20020018915 Magnetic recording medium
02/14/2002US20020018914 Magnetic recording medium
02/14/2002US20020018508 Glide head for asperity detection