Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
04/2003
04/29/2003US6555248 Magnetic recording medium
04/29/2003US6555197 Lubricant, magnetic disk and magnetic disk apparatus
04/29/2003US6555192 Pressure-sensitive cleaning sheet, image-forming material having cleaning part, and method of cleaning image-forming apparatus
04/29/2003US6555043 Method of making a carriage assembly for a disk drive
04/29/2003US6554974 Forming a recording film on the surface of a substrate, including slopes, which are positioning on both sides of each information track, sputter etching the surface of substrate by accelerated ions impinging against track surface
04/29/2003US6553649 Method of making a write head before read head constructed merged magnetic head with track width and zero throat height defined by first pole tip
04/29/2003US6553648 Manufacturing method of a side core type magnetic head slider
04/29/2003US6553647 Bonding magnetic heads of disk drives to signal controllers using ultrasonic frequencies to weld the wires
04/24/2003WO2003034433A1 Playback device having text display and communication with remote database of titles
04/24/2003WO2003034432A1 Magnetic tape cartridge having a data storage medium connected to an integral cleaning tape section
04/24/2003WO2003034430A1 Method for eccentric control of magnetic disc, record medium with recorded data on this method, and magnetic disc comprising this method
04/24/2003WO2003009313A3 Method for making uniaxial, high moment fe-co alloys
04/24/2003WO2002054389A3 Enhanced free layer for a spin valve sensor in a magnetic read head
04/24/2003US20030077983 Cleaning polish etch composition and process for a superfinished surface of a substrate
04/24/2003US20030077199 Hot isostatic pressing; vapor deposition
04/24/2003US20030076772 Optical tape transport system using focus stabilizer
04/24/2003US20030076750 Head arrangement with improved field characteristic for domain expansion technology
04/24/2003US20030076635 Magnetoresistive effect head
04/24/2003US20030076634 Rotary drum and magnetic reproducing apparatus or magnetic recording and reproducing apparatus using the same
04/24/2003US20030076633 Counterbalance fastener for a disc drive stacked actuator
04/24/2003US20030076632 Perpendicular magnetic recording medium
04/24/2003US20030076631 Tape head assembly with drop-in transducer block
04/24/2003US20030076630 Thin-film magnetic head designed for narrower tracks
04/24/2003US20030076629 Perpendicular magnetic recording head with a laminated main write pole
04/24/2003US20030076628 Thin film magnetic head and method of manufacturing the same
04/24/2003US20030076627 Perpendicular magnetic recording head with a multilayered main write pole
04/24/2003US20030076626 Reduced coil spacing; hard disk drives
04/24/2003US20030076625 Integrated magnetic head for helical magnetic recording on tape and method for making same
04/24/2003US20030076617 Magnetic disk device
04/24/2003US20030076616 Method of searching for optimal positioning system compensator using functions of different orders
04/24/2003US20030076615 Phase-advanced filter for robust resonance cancellation
04/24/2003US20030076613 Method to increase head voltage swing and to reduce the rise time of write driver
04/24/2003US20030076612 Method for thermally writing servo patterns on magnetic media
04/24/2003US20030076611 Information recording method
04/24/2003US20030075633 Magnetic tape drive apparatus
04/24/2003US20030074921 Methods for the production of glass, glass substrate blank and glass substrate
04/24/2003US20030074785 Magnetic head device, and method of its manufacture
04/24/2003US20030074784 Method of forming protective film on magnetic head
04/24/2003US20030074783 Method for actively controlling the gram load on a disk drive suspension assembly
04/24/2003US20030074782 Fabrication method for a multi-layer suspension
04/23/2003EP1304694A2 Information recording and reproducing apparatus comprising a multi-phase quadrature angular modulator/demodulator
04/23/2003EP1304691A2 Optical information medium
04/23/2003EP1304685A2 information recording method and apparatus with suppressed mark edge jitters
04/23/2003EP1304683A2 Recording medium drive and head assembly therefor
04/23/2003EP0789903B1 Low flying magnetic heads for stabilizing flexible media
04/23/2003EP0716414B1 Magnetic recording medium
04/23/2003CN1412761A Fetch channel device and its method
04/23/2003CN1412745A 磁性复制装置 Magnetic reproducing apparatus
04/23/2003CN1412744A Piezoelectric actuator device for magnetic head assembly
04/23/2003CN1412743A 重现装置及重现方法 Reproducing apparatus and reproducing method
04/23/2003CN1412572A Cobalt carbon film material which is prepared by PLD process and possesses positive large magnetic cesistance effect
04/23/2003CN1106788C 电路基片 Circuit substrate
04/23/2003CN1106635C 磁电阻效应元件 Magnetoresistance effect element
04/23/2003CN1106634C Manufacturing method for magnetic heads
04/23/2003CN1106633C Magnetic head device for recording/reproducing information signal
04/22/2003US6552994 Optical reproduction apparatus
04/22/2003US6552978 Information recording apparatus
04/22/2003US6552976 Storage and reproduction apparatus
04/22/2003US6552969 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
04/22/2003US6552882 Information reproduction head apparatus and information recording/reproduction system
04/22/2003US6552881 Spin valve sensor with magnetic and nonmagnetic layers for improving asymmetry and softness of a free layer structure
04/22/2003US6552880 Disk drive comprising thermal asperity protection by reducing an electrical bias supplied to a magneto-resistive head
04/22/2003US6552879 Variable voltage threshold ESD protection
04/22/2003US6552878 Magnetic disk apparatus
04/22/2003US6552877 Magnetic-head supporting mechanism
04/22/2003US6552876 Air bearing slider with corner steps
04/22/2003US6552875 Suspension design for improving the curing process for head bonding application and method for same
04/22/2003US6552874 Shared pole magnetic read-write head for achieving optimized erase band width and method of fabricating the same
04/22/2003US6552872 Magnetic disk drive capable of preventing stiction of magnetic head
04/22/2003US6552871 Hard disk drive head-media system having reduced stiction and low fly height
04/22/2003US6552869 Magnetic storage card
04/22/2003US6552867 Head positioning controller for information recording and/or reproducing apparatus with head tracking of nonsynchronous radial runout (NRRO) of the disk
04/22/2003US6552865 Diagnostic system for a read/write channel in a disk drive
04/22/2003US6552535 Defect detector circuit with a signal synthesizer and magnet disk certifier using the same defect detector circuit
04/22/2003US6552339 Micro goniometer for scanning probe microscopy
04/22/2003US6552302 Method for correcting surface shape of magnetic head slider and magnetic head slider
04/22/2003US6551728 Compensation layer having a thickness of 3 to 15 nm, and being made of cobalt or a cobalt alloy with a Curie temperature of 30-150 degrees C; high density recording
04/22/2003US6551703 Silane derivatized lubricants for magnetic recording media
04/22/2003US6551686 Biaxially oriented polyester film having more than one layer, process for its production, and its use as magnetic tape film
04/22/2003US6551438 Method of manufacturing magnetic head slider, method of fixing row bars, and curing agent
04/22/2003US6551173 Process and apparatus for finishing a magnetic slider
04/22/2003US6550278 Method of manufacturing glass substrate for use as information recording medium
04/22/2003US6550131 Shape and magnetic anisotropy of each sublayer of the magnetoresistive layer is stabilized to ensure improved reading characteristics
04/17/2003WO2003032338A1 Spin-valve magnetoresistive device with enhanced performance
04/17/2003WO2003032307A2 Method of manufacturing a digital magneto-optical signal write/read head and write/read head manufactured according to the method
04/17/2003WO2003032297A1 Sbb machine and method for hga mass production
04/17/2003WO2003031323A1 Synthesis of mono-disperse and highly-crystalline nano-particles of metals, alloys, metal oxides, and multi-metallic oxides without a size-selection process
04/17/2003WO2003031096A2 Patterned structure reproduction using nonsticking mold
04/17/2003WO2002037478A3 Tape head contour utilizing enclosed through slots
04/17/2003WO2002034025A3 Asymmetric servo reader placement in bi-directional tape head
04/17/2003US20030072971 Magnetic recording media and method for manufacturing the same
04/17/2003US20030072970 Layered structure for magnetic recording heads
04/17/2003US20030072969 For higher density recording and reproduction; no head clogging; efficiency
04/17/2003US20030072968 Thin film magnetic recording medium
04/17/2003US20030072226 Storage apparatus
04/17/2003US20030072221 Recording/reproducing head and recording/reproducing apparatus incorporating the same
04/17/2003US20030072111 Magnetic sensor having free magnetic layer of multi-layered ferri-structure
04/17/2003US20030072110 Apparatus and method of making a stabilized MR/GMR spin valve read element using longitudinal ferromagnetic exchange interactions
04/17/2003US20030072109 Magnetoresistive element including smooth spacer interface
04/17/2003US20030072108 Head slider and head supporting device and disk drive