Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
03/2004
03/10/2004CN1480941A Disc device
03/10/2004CN1480924A Magnetic head device, magnetic bearing mechanism and magnetic recording device
03/10/2004CN1480923A Rotary valve head contg, partial current screening layer, prodn method of said head, and current screening method
03/10/2004CN1480922A Magnetic head and its mfg. method
03/10/2004CN1480921A Magnetic head and its mfg. method
03/10/2004CN1141743C Method for modifying spin valve with surfactant
03/10/2004CN1141709C Disk device and disk device calibrating method
03/10/2004CN1141700C Exchanging mating-film, magnetoresistive effect apparatus, magnetoeffect head and mfg. method therefor
03/10/2004CN1141699C Multibit magnetic surface digital storage method
03/10/2004CN1141637C Method and apparatus for controlling access to recording disk
03/10/2004CN1141187C Method and appts. for zone lubrication of magnetic media
03/09/2004US6704257 Apparatus for recording and/or reproducing information and/or from optical information record disk
03/09/2004US6704250 Near-field magneto-optical head having a magnetic sensor
03/09/2004US6704249 Magnetic head having an irregular surface for heat dissipation
03/09/2004US6704178 Multichannel magnetic head using magnetoresistive effect
03/09/2004US6704177 Magnetic head with magnetic domain control structure having antiferromagnetic layer and magnetic layer
03/09/2004US6704176 Spin valve sensor
03/09/2004US6704175 Current perpendicular-to-the-plane magnetoresistance read head
03/09/2004US6704173 Method and system for providing ESD protection using diodes and a grounding strip in a head gimbal assembly
03/09/2004US6704172 Thin film magnetic head using Al-Si-O insulating material and method of manufacturing the same
03/09/2004US6704171 Apparatus and systems for lifting a tape drive transducer head
03/09/2004US6704170 Actuator molding and baking process parameters for polyphenylene sulfide 40% glass fill for high temperature overmold carriage operation in hard disk drives
03/09/2004US6704169 Actuator assembly
03/09/2004US6704168 Air vane actuator latch with a portion of a vane portion between storage disk edge and housing sidewall
03/09/2004US6704167 Disk drive including damping member disposed upon latch for damping tang-to-latch impact and mitigating tang-to-latch contact
03/09/2004US6704166 Coated latch mechanism for disk drive
03/09/2004US6704165 Attachment of a head-gimbal assembly to a printed circuit board actuator arm using Z-axis conductive adhesive film
03/09/2004US6704164 Vibration reducing members for head suspensions
03/09/2004US6704163 Deformable towers useful for assembly of suspensions used in a data storage drive
03/09/2004US6704162 Thin-film head for reducing track width, preventing write fringing and reducing saturation
03/09/2004US6704160 Feedback control system, control method, magnetic disk unit and method of controlling magnetic disk unit
03/09/2004US6704158 Shear mode multilayered collocated micro-actuator for dual-stage servo controllers in disk drives
03/09/2004US6704157 Passive damping method and circuit for data storage device actuator
03/09/2004US6704156 Self-writing of servo patterns in a disk drive using a printed reference pattern
03/09/2004US6704154 Decoding apparatus and decoding method
03/09/2004US6704103 Coatings for sensitivity enhancement of signal from glass disks
03/09/2004US6703566 Bonding structure for a hard disk drive suspension using anisotropic conductive film
03/09/2004US6703332 Heat treatment a base glass of oxides of silicon, aluminum, lithium, phosphorus, yttrium and either arsenic or antimony to obtain a product of oxides of lithium, silicon, phosphorus and yttrium; smoothness; high speed/density; computers
03/09/2004US6703148 Magnetic recording medium and magnetic disk apparatus using the same
03/09/2004US6703107 Magnetic tape
03/09/2004US6703106 Magnetic recording and reproducing method and magnetic recording medium for use in the method
03/09/2004US6703101 Magnetic recording medium
03/09/2004US6703099 Perpendicular magnetic recording media with patterned soft magnetic underlayer
03/09/2004US6702930 Method and means for enhancing utilization of sputtering targets
03/09/2004US6702870 Slurrying magnetite and silica in water and polyvinyl alcohol, then spray drying to from microstructure particles and reducing in hydrogen to form reaction products containing iron, silicon and oxygen, having remanence
03/09/2004US6702186 Assembly comprising a plurality of media probes for writing/reading high density magnetic data
03/04/2004WO2004019322A1 Lining magnetic film
03/04/2004WO2004019321A1 A suspension design for the co-located pzt micro-actuator
03/04/2004WO2004019320A1 A method and mechanism of the pzt micro-actuator application for the magnetic head gimbal assembly of the hard disk driver
03/04/2004WO2004019319A1 Magnetic head and magnetic recording/reproducing device
03/04/2004WO2004019051A1 Magnetic sensor
03/04/2004WO2004018377A1 Texturing hard-surfaced, high modulus substrates for magnetic recording media by solgel replication of a textured polymeric surface
03/04/2004WO2004018365A1 Iron oxide powder for undercoat layer of coat-type magnetic recording medium having multilayer structure and a process of producing the same
03/04/2004WO2004018364A1 Iron oxide powder and a process of producing the same
03/04/2004WO2003019536A3 Magnetic recording head including spatially-pumped spin wave mode writer
03/04/2004US20040044944 Method of and apparatus for controlling data storage system according to temperature, and medium
03/04/2004US20040044641 Error correction in a storage medium configured using a logical cylindrical recording format
03/04/2004US20040044640 Configuring a storage medium using a logical cylindrical recording format
03/04/2004US20040043335 Applying layer of polymerizable initiator to bearings; then polymer
03/04/2004US20040043258 Perpendicular magnetic recording medium and magnetic storage apparatus using the same
03/04/2004US20040043257 Mixture of ferromagnetic powder and binder; overcoating surface with carbon black; controlling particle size
03/04/2004US20040043256 Magnetic transfer master medium
03/04/2004US20040043253 Thin-film magnetic head with inductive write head element
03/04/2004US20040043208 Porous material and production process thereof
03/04/2004US20040043194 Polyester film and recording tape
03/04/2004US20040042380 Information recording medium, information recording method and information recording apparatus
03/04/2004US20040042133 Lead-defined and shaped magnetic sensor
03/04/2004US20040042132 Magnetic transducer, thin film magnetic head and method of manufacturing the same
03/04/2004US20040042131 Current-in-plane magnetoresistive sensor with longitudinal biasing layer having a nonmagnetic oxide central region and method for fabrication of the sensor
03/04/2004US20040042130 Giant magnetoresistance sensor with stitched longitudinal bias stacks and its fabrication process
03/04/2004US20040042129 Magnetoresistive effect element, magnetic memory device and manufacturing method of magnetoresistive effect element and magnetic memory device
03/04/2004US20040042127 Spin-valve head containing partial current-screen-layer, product method of said head, and current-screen method
03/04/2004US20040042126 Magnetic head and magnetic recording/reproducing system
03/04/2004US20040042125 Mounting method of magnetic head on rotary cylinder and rotary magnetic head
03/04/2004US20040042124 Construction method and design for a magnetic head actuator mechanism
03/04/2004US20040042123 Head arm assembly and disk drive apparatus with the head arm assembly
03/04/2004US20040042121 Pivotable head brush assembly for cleaning read/write heads in a media tape drive
03/04/2004US20040042120 Retractable low profile head brush assembly for cleaning read/write heads in a media tape drive
03/04/2004US20040042119 Thin-film magnetic head with inductive write head element
03/04/2004US20040042118 Thin film magnetic head and method of manufacturing the same
03/04/2004US20040042117 Thin film magnetic head and method of manufacturing the same
03/04/2004US20040042116 Information recording/reading apparatus
03/04/2004US20040042115 Optical apparatus for tracking a magnetic tape
03/04/2004US20040042114 Servo system with learning function for achieving servo compensation in a disk drive
03/04/2004US20040042113 Disk device
03/04/2004US20040042112 Removable media storage system with memory for storing operational data
03/04/2004US20040042110 Magnetic storage device
03/04/2004US20040042109 Power efficient overshoot protection during an operating mode transition
03/04/2004US20040042107 Preformat method for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
03/04/2004US20040042106 Magnetic reproducing apparatus and magnetic reproducing method
03/04/2004US20040042105 Method, apparatus, and medium including computer readable code for controlling a hard disc drive
03/04/2004US20040042103 System and method for improved retroactive recording and/or replay
03/04/2004US20040041679 Magnetic detecting element having beta-values selected for free magnetic layer and pinned magnetic layer
03/04/2004US20040041559 Cross talk bit error rate testing of a magnetic head
03/04/2004US20040041183 Amorphous alloys for magnetic devices
03/04/2004US20040040458 Magnetic transfer method and magnetic transfer device
03/04/2004DE19549399B4 Phasensynchronisationsschaltung The phase synchronization circuit
03/03/2004EP1394799A2 Method and apparatus for controlling disc drive positioning arm using back-emf
03/03/2004EP1394798A1 Information recording/reproducing apparatus
03/03/2004EP1394778A1 Recording disk drive and head suspension assembly