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
08/01/2002WO2001031641A9 Data storage device, apparatus and method for using same
08/01/2002US20020102923 Polishing composition and polishing method for polishing a substrate to be used for a memory hard disk employing it
08/01/2002US20020102440 Magnetic recording medium and method of producing the same, and magnetic storage apparatus
08/01/2002US20020102439 Lower non-magnetic layer containing a carbon black and a radiation curing type binder resin on a non-magnetic support and an upper magnetic layer with a thickness of 0.30 mu m or less with a ferromagnetic powder, binder and abrasive
08/01/2002US20020102438 Magnetic disk
08/01/2002US20020102437 Rewritable indication label for recording medium, recording medium and recording medium case
08/01/2002US20020102436 Free layer, whose magnetized direction is changed according to an external magnetic field, and a pin layer, whose magnetized direction is unchanged, are laminated through an insulative layer, and to a magnetic head
08/01/2002US20020102428 Fabrication of periodic surface structures with nanometer-scale spacings
08/01/2002US20020102351 Process for producing magnetic disk
08/01/2002US20020102096 Video signal recording apparatus and video signal recording and reproducing apparatus
08/01/2002US20020101810 Information recording medium, information recording method and information recording apparatus
08/01/2002US20020101809 Information recording medium, information recording method and information recording apparatus
08/01/2002US20020101796 Tilt focus method and mechanism for an optical drive
08/01/2002US20020101793 Method of searching for a boundary position between a recorded region and an unrecorded region of a recording disc, and information recording apparatus
08/01/2002US20020101693 Magnetoresistive effect type of head, manufacturing method of magnetoresistive effect type of head, and information reproducing system
08/01/2002US20020101692 Magnetic devices with perpendicular exchange biasing
08/01/2002US20020101691 Magnetic sensor with reduced wing region magnetic sensitivity
08/01/2002US20020101690 Magnetic head with thin gap layers
08/01/2002US20020101689 High sensitivity spin valve stacks using oxygen in spacer layer deposition
08/01/2002US20020101688 Hinge pivot for disc drive
08/01/2002US20020101687 Disc drive actuator bearing positioned within the disc outer circumference
08/01/2002US20020101686 Head gimbal assembly with in-situs adjustable pitch and roll
08/01/2002US20020101684 Method for controlling magnetic recording in magnetic recording medium and control device for magnetic recording
08/01/2002US20020101683 Thin film coil and method of forming the same, thin film magnetic head, thin film inductor and thin film magnetic sensor
08/01/2002US20020101682 Method and apparatus for limiting actuator coil temperature
08/01/2002US20020101681 Active damping of two-stage actuator system in a disc drive
08/01/2002US20020101680 Method and apparatus for positioning a transducer using a phase difference in surface profile variations on a storage medium
08/01/2002US20020101677 Disc storage system employing non-volatile magnetoresistive random access memory
08/01/2002US20020101674 Magnetic recording and/ or reproducing apparatus
08/01/2002US20020101672 Method for storage of self-servowriting timing information
08/01/2002US20020101671 Signal processing apparatus, signal processing mehtod and information storage apparatus
08/01/2002US20020101670 Master information carrier, process for producing the carrier, and method and apparatus for recording master infromation signal on magnetic recording medium by using the carrier
08/01/2002US20020101669 Master information carrier, process for producing the carrier, and method and apparatus for recording master information signal on magnetic recording medium by using the carrier
08/01/2002US20020101328 Magnetoresistance effect element and method for producing same
08/01/2002US20020101131 Moving member for surface acoustic wave actuator and surface acoustic wave actuator using same
08/01/2002US20020100609 Junction flexible wiring circuit board
08/01/2002US20020100607 Electrical component and a shuntable/shunted electrical component and method for shunting and deshunting
07/2002
07/31/2002EP1227496A1 Non-volatile memory
07/31/2002EP1227472A2 Magnetic transfer master medium
07/31/2002EP1226878A2 Aligned fine particles, method for producing the same and device using the same
07/31/2002EP1138016B1 Marking device
07/31/2002EP1099217B1 Electric field for magnetic reversal of a thin film
07/31/2002EP0978122A4 Dry bonded digital versatile disc with one or more layers of adhesive
07/31/2002EP0950681B1 Biaxially oriented polyester film and magnetic recording media containing the film as the base
07/31/2002EP0896713B1 Magnetic data reading apparatus and method using inductive and magnetoresistive heads
07/31/2002EP0803120B1 System, apparatus and method for recording and reproducing information
07/31/2002CN1361914A Method and apparatus for encoding identification information on a magnetic disc
07/30/2002USRE37810 Digital video signal reproducing apparatus with high-speed play mode
07/30/2002US6426924 Apparatus for recording and/or reproducing information and/or from optical information record disk
07/30/2002US6426923 Magnetic head drive circuit and magnetic recorder
07/30/2002US6426852 Head drum assembly for tape recorder
07/30/2002US6426851 Flexure limiter with snagging feature
07/30/2002US6426850 Converter support structure
07/30/2002US6426848 Non-magnetic substrate including TiO2 for a magnetic head and magnetic head
07/30/2002US6426847 Over-molded base plate and method of manufacture of over-molded base plate for a disc drive
07/30/2002US6426846 Decoding digitally sampled servo tracks
07/30/2002US6426845 Asynchronous analog demodulator and method for a null-type servo pattern
07/30/2002US6426844 Method and apparatus for phase modulated servo positioning in a direct access storage device
07/30/2002US6426843 Settle time estimator feedback for rotational position reordering in data storage devices
07/30/2002US6426842 Tape travel controlling apparatus for use with data recorder
07/30/2002US6426311 Glass-ceramics
07/30/2002US6426157 Perpendicular magnetic recording medium
07/30/2002US6426155 Nickel phosphide overcoated with aluminum alloy
07/30/2002US6425989 Ferromagnetic shield
07/25/2002WO2002058071A2 Non-volatile memory
07/25/2002WO2002058063A1 Enhanced data storage and retrieval devices and systems and methods for utilizing the same
07/25/2002WO2002011142A3 Disk head slider having cavities for increasing contact stiffness and controlling suction center movement
07/25/2002US20020098390 Magnetic recording layer on substrate comprising antiferromagnetically-coupled layer, ferromagnetic layer and nonferromagnetic spacer layer separating antiferromagnetically coupled layer and ferromagnetic layer; thermal stability
07/25/2002US20020098389 Underlayer in contact with substrate, magnetic layer, intermediate layer disposed between underlayer and magnetic layer, wherein thin film media structure receives heat treatment following deposition; improved magnetic properties
07/25/2002US20020098388 Recording medium substrate having uniform texture and texturing apparatus therefor
07/25/2002US20020098387 Magnetic transfer master medium
07/25/2002US20020098386 Magnetic recording medium and magnetic disc drive
07/25/2002US20020098385 Magnetic recording media and producing method thereof
07/25/2002US20020098384 Support, single magnetic layer having thickness of 0.3 mu m; excellent surface property and excellent electromagnetic conversion characteristic
07/25/2002US20020098383 Magnetic layer comprising crystal grains having L10 structure including iron and platinum and 0.1-50 percent of one element selected from copper, gold, zinc, tin, palladium and manganese, protective layer; high density recording
07/25/2002US20020098382 Magnetic recording device
07/25/2002US20020098381 Polycrystalline material having primarily L1o phase structure being of thickness less than 200 Angstrom and having coercivity in excess of 2000 Oe; for recording or sensing magnetic transitions representative of data
07/25/2002US20020098380 Magnetic films including iridium, manganese and nitrogen
07/25/2002US20020098280 Pressing a cleaning tape made of one of a non-woven fabric and a fabric impregnated with a cleaning agent against the surface of a polymeric film, drying and coating with magnetic material
07/25/2002US20020097871 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
07/25/2002US20020097666 Recording medium having spare areas for defect management and method of allocating spare areas
07/25/2002US20020097665 Recording medium having spare areas for defect management and method of allocating spare areas
07/25/2002US20020097663 Piezoelectric microactuator for improved tracking control of disk drive read/write heads
07/25/2002US20020097655 Information recording medium, information recording method and information recording apparatus
07/25/2002US20020097654 Information recording medium, information recording method and information recording apparatus
07/25/2002US20020097653 Information recording medium, information recording method and information recording apparatus
07/25/2002US20020097650 Apparatus for recording and/or reproducing information and/or from optical information record disk
07/25/2002US20020097649 Disklike recording media, a method for detecting forged disks, an anti-forgery system for performing a true-false judgement based on information collected from the recording media, and a manufacruring apparatus for recording information in the disks
07/25/2002US20020097640 Magnetic pattern forming method, magnetic pattern forming apparatus, magnetic disk, and magnetic recording apparatus
07/25/2002US20020097540 Magneto-resistance effect element, magneto-resistance effect head, magneto-resistance transducer system, and magnetic storage system
07/25/2002US20020097539 Magnetoresistive sensor capable of providing strong exchange coupling magnetic field, and thin-film magnetic head using the same
07/25/2002US20020097538 Current perpendicular-to-the-plane structure spin valve magnetoresistive head
07/25/2002US20020097537 Magnetoresistive tunnel junction element
07/25/2002US20020097536 Spin tunnel magneto-resistance effect type magnetic sensor and production method thereof
07/25/2002US20020097535 Magnetoresistive magnetic sensor and magnetic storage apparatus
07/25/2002US20020097534 Magnetic tunnel junction read head devices having a tunneling barrier formed by multi-layer, multi-oxidation processes
07/25/2002US20020097533 Current perpendicular to plane type magnetoresistive device, magnetic head, and magnetic recording/reproducing apparatus
07/25/2002US20020097532 Variable voltage threshold ESD protection
07/25/2002US20020097531 Magnetoresistive device and method of manufacturing same and thin-film magnetic head and method of manufacturing same
07/25/2002US20020097530 Method of fabricating electrically isolated metal MEMS beams and microactuator incorporating the MEMS beam