Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/2002
08/20/2002US6437228 Method and apparatus for storing audio data
08/20/2002US6436560 A magnetic head comprises: an induction type head for recording including a lower magnetic core, a writing gap film formed on the lower magnetic core, and a portion spreading from the track portion, a plurality of insulating films
08/20/2002US6436526 Magneto-resistance effect element, magneto-resistance effect memory cell, MRAM and method for performing information write to or read from the magneto-resistance effect memory cell
08/20/2002US6436522 Process for the preparation of a magnetic dispersion for magnetic recording media and magnetic recording media produced therewith
08/20/2002US6436465 Extrusion coating method
08/20/2002US6436248 Coating magnetic disks; sputter depositing such as aluminum or chromium before underlayer films; corrosion resistance for metallic substrates; water resistance for nonmetallic substrates
08/20/2002US6436200 Method for preparing magnetic head
08/20/2002US6436167 Synthesis of nanostructured composite particles using a polyol process
08/20/2002US6435016 Head gimbal assembly, test device and slider for use therewith
08/20/2002US6434814 Method of manufacturing a magnetic head including a read head with read track width defining layer that planarizes the write gap layer of a write head
08/20/2002CA2365155C Radial self-propagation pattern generation for disk file servowriting
08/20/2002CA2098551C Methods and systems for dubbing a digital video signal on a record medium
08/15/2002WO2002063656A2 Chemical monolayer and micro-electronic junctions and devices containing same
08/15/2002WO2002063642A1 Permanent magnet and method for preparation thereof
08/15/2002WO2002063641A1 Permanent magnet and method for preparation thereof
08/15/2002WO2002063640A1 Permanent magnet and method for preparation thereof
08/15/2002WO2002063623A1 Positioning control device and positioning control method
08/15/2002WO2002063614A1 Thin film magnetic head, magnetic head assembly, and composite thin film magnetic head
08/15/2002WO2002062509A1 Metal alloy fine particles and method for production thereof
08/15/2002WO2002035544A3 Disc head slider having convergent channel features with leading edge inlet
08/15/2002WO2001026145A9 Seed layers for interconnects and methods and apparatus for their fabrication
08/15/2002US20020110756 Method for manufacturing magnetoresistance head
08/15/2002US20020110707 Inorganic oxide layer of crystalline first oxide and an amorphous second oxide, and a magnetic layer thereon; amorphous second oxide is present at a grain boundary of the first oxide
08/15/2002US20020110706 Heating the glass substrate after precisely polishing before surface treating with hydrosilicofluoric acid (hexafluorosilicic acid); low glide height of magnetic head
08/15/2002US20020110705 Magnetic layer comprises a ferromagnetic metal powder or a ferromagnetic hexagonal ferrite powder and a binder and has a specified coercive force; improved high density recording
08/15/2002US20020110356 Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus
08/15/2002US20020110074 Methods for conducting current between a scanned-probe and storage medium
08/15/2002US20020110052 Positioning control for read and/or write head
08/15/2002US20020110026 Head suspension assembly with fins
08/15/2002US20020109948 Magnetic head of a magnetoresistance type having an underlying layer having a laminated structure of a tungsten-group metal layer formed on a tantalum-group metal layer
08/15/2002US20020109947 Perpendicular magnetic recording head with a magnetic shield to reduce side reading
08/15/2002US20020109946 Thin-film magnetic head and method of manufacturing same
08/15/2002US20020109945 Magnetic recording/reproducing apparatus and rotary head drum device
08/15/2002US20020109944 Magnetic disk drive
08/15/2002US20020109943 Monocoque head suspension
08/15/2002US20020109942 Magnetic head capable of being increased in shape freedom of support and magnetic head device using the magnetic head
08/15/2002US20020109941 Disc head slider having convergent channel features with leading edge inlet
08/15/2002US20020109937 Mass data storage device having a motion sensor located on the actuator arm to make the sensor signal of minimum phase with respect to the actuator input signal
08/15/2002US20020109935 Thermal performance of an integrated amplifier in a disc drive
08/15/2002US20020109934 Time-varying, non-synchronous disturbance identification and cancellation in a rotating disk storage device
08/15/2002US20020109933 Servo pattern deviation correcting method and disk apparatus using the same
08/15/2002US20020109932 Disk device conducting a disturbance compensation based on a time-interval measurement in reading servo sectors recorded on a disk
08/15/2002US20020109931 Read/write transducer for hard disk drives with optical position measuring system, and manufacturing process thereof
08/15/2002US20020109929 Servo information detection method and disk apparatus using the same
08/15/2002US20020109928 Optical servo system for a tape drive
08/15/2002US20020109419 Method for manufacturing a microintegrated structure with buried connections, in particular an integrated microactuator for a hard-disk drive unit
08/15/2002US20020109134 Nano-structures, process for preparing nano-structures and devices
08/15/2002US20020108400 Method of manufacturing glass substrate for information recording media, glass substrate for information recording media manufactured using the method, and information recording medium using the glass substrate
08/14/2002EP1231599A1 Magnetic recording medium and magnetic composite particles for magnetic recording medium
08/14/2002EP1231598A2 Head supporting device and disk drive using the same
08/14/2002EP0897557B1 Lithographical process for production of nanostructures on surfaces
08/14/2002DE10162895A1 Aufzeichnungs- und Wiedergabevorrichtung, Plattengehäuse und optische Plattenvorrichtung Recording and reproducing apparatus drive enclosure and optical disk apparatus
08/14/2002CN1364300A Magnetic field element having a biasing magnetic layer structure
08/14/2002CN1364145A Method for making M-type hexaferrite powders or wafers
08/14/2002CN1363926A Magnetic duplicating method and device
08/14/2002CN1363925A Magnetic duplicating method and device
08/14/2002CN1363924A Magnetic duplicating method and device
08/14/2002CN1089147C Hydrodynamic bearing with combined conic and neck and two open ends
08/13/2002USRE37819 Manufacturing method for magnetoresistive head having an antiferromagnetic layer of PTMN
08/13/2002US6434499 Hard disc drive verification tester
08/13/2002US6434498 Hard disc drive verification tester
08/13/2002US6434321 Method and apparatus for slow-motion video and audio reproduction
08/13/2002US6434088 Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member
08/13/2002US6433973 GMR read sensors with non-uniform height
08/13/2002US6433972 Multilayer; nonmagnetic support, ferromagnetic layer
08/13/2002US6433971 Thin film magnetic head adaptable to gap narrowing and substrate for forming the same
08/13/2002US6433970 Current perpendicular to recording substrate
08/13/2002US6433969 Compound magnetoresistive head and method for manufacturing same
08/13/2002US6433968 Merged read/write head and method of fabricating same
08/13/2002US6433967 Transducer suspension system having a rigid extension section
08/13/2002US6433966 Active rear posts improved stiction flyability slider integrated pads
08/13/2002US6433965 Laminated carbon-containing overcoats for information storage system transducers
08/13/2002US6433964 Method of making high density recording medium having a non-magnetic, metallic layer on a flexible substrate
08/13/2002US6433961 Magnetic head cleaner
08/13/2002US6433960 Thin film multilayer; winding coil; air bearings; writing gap; dielectric
08/13/2002US6433959 Tape head contour utilizing enclosed through slots
08/13/2002US6433958 Magnetic head, method for producing the same, video recording and reproduction apparatus including the magnetic head, and video camera including the magnetic head
08/13/2002US6433953 Recording/reproducing apparatus
08/13/2002US6433952 Method for tracking control
08/13/2002US6433951 Magnetic data storage tape with etched servo pattern, method of manufacturing same, and method of servo positioning on same
08/13/2002US6433950 Disk drive with radially dispersed servo bursts
08/13/2002US6433949 Servo write head
08/13/2002US6433948 Process management method using servo track writer
08/13/2002US6433945 Compensating write data in transformer-coupled recording system using DC content code
08/13/2002US6433944 Master carrier for magnetic transfer and method for transfer
08/13/2002US6433661 Magnetic-field thermal treatment apparatus capable of reducing weight and utility consumption thereof
08/13/2002US6433540 Method and apparatus for testing composite type magnetic head having a magnetoresistive element and an inductive element
08/13/2002US6433102 Catalytic hydrogenation
08/13/2002US6433070 Comprised of repeating s-triazolo(1,2-a)-s-triazole units; for use in magnetic recording media
08/13/2002US6432563 Magnetic recording media
08/13/2002US6432562 Multilayer; nonmagnetic substrate, alloy seed layer, undercoating and protective coatings
08/13/2002US6432508 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium
08/13/2002US6432503 Magnetic recording medium
08/13/2002US6432377 Particles for non-magnetic undercoat layer of magnetic recording medium, method thereof and magnetic recording medium
08/13/2002US6432346 Process of making magnetic recording disk
08/13/2002US6432316 Method of manufacturing thin film magnetic head
08/13/2002US6430965 Polishing, washing, immersion in reinforcing solution, ion exchanging; magnetic recording media
08/13/2002US6430806 Method for manufacturing an inductive write element employing bi-layer photoresist to define a thin high moment pole pedestal
08/13/2002CA2125373C Recording/reproducing apparatus and reproducing apparatus
08/08/2002WO2002060981A1 Glass epoxy board and magnetic head device