Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/2003
10/08/2003EP1351260A1 Permanent magnet and method for preparation thereof
10/08/2003EP1351234A1 Recording medium library device and control method thereof
10/08/2003EP1351233A1 Recording medium library device and control method thereof
10/08/2003EP1351230A2 Optical recording medium and method for optically recording information on the same
10/08/2003EP1351220A2 Head supporting device and disk drive using the same
10/08/2003EP1350827A1 Abrasive, abrasive slurry, and method for manufacturing abrasive
10/08/2003CN1447971A Method and appts. for hynamically controlling flying behaviour and height of read/write head in storage device
10/08/2003CN1447966A Magnetic recording medium and its mfg. method, and magnetic storage device
10/08/2003CN1447965A Method and system for recovery of lateral position of servo system with respect to langitudinal servo bands of mannetic tape
10/08/2003CN1447964A Method and position control for servo system for positioning head laterally with respect to defined servo tracks
10/08/2003CN1447325A Digital cassette videocorder reproduced at non-standard speed
10/08/2003CN1447310A Actuator of hard disk driver
10/08/2003CN1447131A Ray tester, its mfg. method and ray CT appts.
10/08/2003CN1123884C Magnetic disk device with lower probability of read error caused by surface scratch of magnetic disk
10/08/2003CN1123883C Thermal asperity elimination method and magnetic disk unit
10/08/2003CN1123880C Storage appts.
10/08/2003CN1123868C Appts. for laser texturing disks
10/08/2003CN1123867C Soft driving head cleaning disc having program
10/08/2003CN1123832C Method of receiving frame and special frame buffer
10/07/2003US6631242 Apparatus for recording and reproducing digital picture data
10/07/2003US6631106 Spare area with a predetermined capacity for a detective sector allocated in each zone
10/07/2003US6631099 Magnetic field modulation magnetic head, magneto-optical element, optical pickup device, and optical disk drive, in which first and second magnetic cores are placed on opposite sides of magnetic field generation coil to achieve low power consumption and high efficiency
10/07/2003US6631057 Magnetic device with ferromagnetic layer contacting specified yttrium or rare earth element oxide antiferromagnetic layer
10/07/2003US6631056 Thin film magnetic head assembly and method of manufacturing the same
10/07/2003US6631055 Tunnel valve flux guide structure formed by oxidation of pinned layer
10/07/2003US6631054 Thin film magnetic head, a magnetic head device, a magnetic disk drive device, and a method for manufacturing a thin film magnetic device
10/07/2003US6631053 Actuator pivot assembly that pivotally connects an actuator to a base of a disk drive
10/07/2003US6631052 Head interconnect with support material carbonized shunt
10/07/2003US6631051 Magnetic head including a slider with a hole, a magnetic head core having a magnetic gap, and a winding wound around the magnetic head core
10/07/2003US6631050 Sealing glass for magnetic head and magnetic head using the same
10/07/2003US6631048 Magnetic reproducing apparatus with MR heads
10/07/2003US6631046 Servo track writing using extended copying with head offset
10/07/2003US6631045 Method and apparatus for ramp loading in a hard disk drive using pulse width modulation
10/07/2003US6631044 Method of reducing a frequency-response peaking of a magneto-resistive preamplifier in a mass data storage device, or the like
10/07/2003US6631043 Elimination of three pass write
10/07/2003US6630824 Method to measure signal decay and a device therefor
10/07/2003US6630256 Magnetic recording medium comprising a non-magnetic layer having inorganic particles of specific size and distribution
10/07/2003US6630255 Alternating cobalt and palladium layers having chromium, platinum, boron, tantalum and/or niobium grain boundary forming additives
10/07/2003US6630248 Synthetic anti-parallel/parallel/pinned layer spin valve
10/07/2003US6630208 Use of subbing layer in web coating
10/07/2003US6629878 Pretreatment for reducing surface treatments defects
10/07/2003US6629359 Device for assembling base and main board assembly for hard disk drive
10/07/2003US6629357 Method of magnetic head manufacture
10/07/2003US6629329 Conical fabric swab
10/02/2003WO2003081584A1 Multi-layered optical information recording medium manufacturing method
10/02/2003WO2003021575A3 Magnetic servo of a recording head
10/02/2003WO2002073624A3 Memory element, method for structuring a surface, and storage device
10/02/2003WO2002034025A9 Asymmetric servo reader placement in bi-directional tape head
10/02/2003US20030186086 Magnetic recording medium and magnetic storage apparatus
10/02/2003US20030186085 Magnetic disk substrate and magnetic disk
10/02/2003US20030186084 High density and good storage stability
10/02/2003US20030186083 Having reduced surface defects on its undercoating layer and thereby involving reduced surface defects on the magnetic layer
10/02/2003US20030185986 Method for making zone-bonded lubricant layer for magnetic hard discs
10/02/2003US20030185974 Classification of coating particle size
10/02/2003US20030185108 Head for recording and reading optical data and method of manufacturing the same
10/02/2003US20030184925 Magnetic sensing element comprising antiferromagnetic layer laminated on free magnetic layer
10/02/2003US20030184924 Methods of manufacturing a tunnel magnetoresistive element, thin-film magnetic head and memory element
10/02/2003US20030184923 Magnetoresistive effect head
10/02/2003US20030184922 Magnetic disk apparatus using magnetic head having magnetoresistive film
10/02/2003US20030184921 Excellent in MR ratio and thermal stability
10/02/2003US20030184920 Method of protecting read sensors from electrostatic discharge damage during the manufacture of magnetic heads
10/02/2003US20030184919 Dual magnetic tunnel junction sensor with a longitudinal bias stack
10/02/2003US20030184918 Dual spin valve sensor with a longitudinal bias stack
10/02/2003US20030184917 Planarization in an encapsulation process for thin film surfaces
10/02/2003US20030184916 Air bearing slider having textured contact region to provide a self-adjusting fly height interface
10/02/2003US20030184915 Recording medium drive including head slider reliably preventing collision against recording medium
10/02/2003US20030184914 Magnetic head
10/02/2003US20030184913 Ramp design for reducing read-write head track positioning errors
10/02/2003US20030184912 Magnetic head coil structure and method for manufacturing the same
10/02/2003US20030184909 Repeatable runout compensation in a disc drive
10/02/2003US20030184908 Repeatable runout identification device and method
10/02/2003US20030184907 Method for boosting a disc drive motor stiction breakaway performance
10/02/2003US20030184906 Compensation for timing variation in disc drives employing servo tracking systems
10/02/2003US20030184903 Transducers for sub-wavelength optical spots
10/02/2003US20030184902 Device discovery method and apparatus
10/02/2003US20030184901 Magnetic head driver circuit and magnetic storage device
10/02/2003US20030184900 Data writing and reading
10/02/2003US20030184899 Low flying head detection using readback signal amplitude modulation
10/02/2003US20030184898 Media noise low-fly height test for a disc drive
10/02/2003US20030184897 MR heads thermal asperity cancellation
10/02/2003US20030184896 Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier
10/02/2003US20030184895 Method of magnetic transfer
10/02/2003US20030184286 Method and apparatus for testing transducer heads in magnetic storage systems
10/02/2003US20030184191 Micro-actuator and method of producing the same
10/02/2003US20030182790 Methods of making magnetic heads with improved contiguous junctions
10/02/2003US20030182789 Method of making thin-film magnetic head
10/02/2003US20030182788 Tool for certifying a head-gimbal assembly
10/01/2003EP1349153A1 Recording medium drive and head slider
10/01/2003EP1349152A1 Hard disk drive having air flow accelerating device
10/01/2003EP1349151A2 Head supporting device and disk drive using the same
10/01/2003EP1349150A1 Actuator for hard disk drive
10/01/2003EP1348982A2 Radiation detector for use in computer tomography and manufacturing method therefor
10/01/2003EP1057136B1 Induction sensor
10/01/2003EP0677504B1 Fluorinated hydrocarbon compound, process for producing the same, and refrigerator oil and magnetic recording medium lubricant
10/01/2003CN2577492Y Rotary motor
10/01/2003CN2577397Y Picture-context magnetic tape
10/01/2003CN2577396Y Magnetic head dynamic reading-writing device
10/01/2003CN2577395Y Magnetic head dynamic reading-writing device
10/01/2003CN2577394Y Magnetic head dynamic reading-writing device
10/01/2003CN1446354A Antiferromagntically coupled magnetic recording media
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