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
10/01/2003CN1446353A Magnetic recording head with dielectric layer
10/01/2003CN1446352A Magnetic head
10/01/2003CN1445871A Film piezoelectric element and manufacturing method thereof and executive component using the piezoelectric element
10/01/2003CN1445756A Holding apparatus for magnetic duplicating unit
10/01/2003CN1445755A Master carrier for magnetic write
10/01/2003CN1445754A Magnetic recording device and magnetooptical recording device
10/01/2003CN1445753A Record head and its magnetic storing device
10/01/2003CN1123005C Method of writing tracking servo signal pattern for magnetic disk device
10/01/2003CN1122990C Apparatus and method of servo system for controlling video cassette recorder
10/01/2003CN1122973C Magnetic head drum of magnetic tape recording device
09/2003
09/30/2003US6629089 Artificial neural network voice coil motor controller
09/30/2003US6628598 Patterned media system
09/30/2003US6628583 Method and device for recording information in linking block units
09/30/2003US6628579 Storage apparatus
09/30/2003US6628484 Planar gap pre-fill process for read heads
09/30/2003US6628483 Dual spin-valve magnetoresistive thin film element
09/30/2003US6628482 Crash stop assembly in a disc drive
09/30/2003US6628481 Load beam opening-mounted chip on suspension
09/30/2003US6628480 Magnetic head slider having optimized ratio of negative pressure recess to front step bearing
09/30/2003US6628478 Write head with all metallic laminated pole pieces with thickness differential
09/30/2003US6628476 Disk drive which prevents misthreading
09/30/2003US6628475 Disk drive apparatus, hard disk drive, and enclosure for hard disk drive
09/30/2003US6628473 Mobile device having disk drive including a data storage zone with a data track pitch configured for use in a mobile environment
09/30/2003US6628472 Method and apparatus for feedforward cancellation using a phase lock loop
09/30/2003US6628471 Detection and cancellation of cage frequency using the clock head in a servowriter
09/30/2003US6628470 Magnetic disk apparatus slowing down rotation speed of disk in idle time
09/30/2003US6628468 Low frequency signal baseline shift compensation in a disc drive
09/30/2003US6628467 Input/output multiplex system for a read/write channel in a disk drive
09/30/2003US6628466 Circuit and method for refreshing data recorded at a density sufficiently high to undergo thermal degradation
09/30/2003US6628465 Magnetic media defect detection apparatus and method
09/30/2003US6628380 Appearance inspecting jig for small parts and inspecting method employing the same jig
09/30/2003US6627909 Apparatus for optimizing adjustment of disc head slider curvature
09/30/2003US6627567 Glass-ceramic composition for recording disk substrate
09/30/2003US6627566 Substrate for information recording medium and magnetic recording medium composed of crystallized glass
09/30/2003US6627390 Forming masking frame on substrate; plating; uniform smoothness
09/30/2003US6627334 Tape comprising base layer, back coating layer, magnetic layer; problems due to scrapings of a back coating layer of the magnetic tape are prevented
09/30/2003US6627313 Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same
09/30/2003US6627302 Lubricant overcoat for recording media and a process for making the same
09/30/2003US6627301 Magnetic recording medium
09/30/2003US6627293 Magnetic recording medium
09/30/2003US6627255 Method of manufacturing a magnetic recording media
09/30/2003US6627254 Method of manufacturing a recording media with mechanically patterned landing zone
09/30/2003US6627253 Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus
09/30/2003US6627101 60-90% polyvinylpyrrolidone, 10-40% chromium -iron, -cobalt or -nickel magneto-resistive alloys, and 5-30% conducting carbon
09/30/2003US6627095 Magnetic recording disk and method of manufacturing same
09/30/2003US6627094 Method of manufacturing thin film head
09/30/2003US6625871 Aligning thermoplastic base plate over weld holes in actuator arm and load beam, clamping heating tool over base plate so points of tool coincide with weld holes, heating tool to extrude thermoplastic material through holes to attach pieces
09/30/2003US6625870 Method for aligning head suspension structures
09/30/2003CA2110950C Apparatus and method for recording and reproducing a digital video and audio signal
09/25/2003WO2003079361A1 Multiple shroud bypass for bulk windage reduction
09/25/2003WO2003079355A1 Suspension for head slider
09/25/2003WO2003079352A1 Recording medium, recording method, and recorder
09/25/2003WO2003079351A1 Recording medium, recording method, and recording/reproducing device
09/25/2003WO2003079344A1 Poly(arylene ether) data storage media
09/25/2003WO2003079333A1 Magnetic recording medium and magnetic recording cartridge
09/25/2003WO2003079332A1 Magnetic recording medium and magnetic recording cartridge
09/25/2003WO2003079331A1 Magnetoresistive element of cpp structure
09/25/2003WO2003078688A1 Porous material and process for producing the same
09/25/2003WO2003078687A1 Porous material and process for producing the same
09/25/2003WO2003078685A1 Functional device and method of manufacturing the device, vertical magnetic recording medium, magnetic recording and reproducing device, and information processing device
09/25/2003WO2003021577A3 Narrow write head pole tip fabricated by sidewall processing
09/25/2003WO2003021574A3 Head arrangement with improved field characteristic for domain expansion technology
09/25/2003WO2002099790A3 Vertically-oriented servo track writer and method
09/25/2003US20030182605 Process and device for identifying and designating radially-oriented patterns of defects on a data-storage medium
09/25/2003US20030182499 Method and apparatus for improving efficiency of operation of a hard disk drive by deferring command execution
09/25/2003US20030180633 Laminating photoresist; for production of thin-film magnetic heads and semiconductor elements
09/25/2003US20030180578 Magnetic recording medium
09/25/2003US20030180577 Magnetic recording medium with antiparallel coupled ferromagnetic films as the recording layer
09/25/2003US20030180576 A multilayer comprising a nonmagnetic underlayer, a magnetic layer having ferromagnetic crystalline grains; magnetic and electromagnetic conversion, high density recording
09/25/2003US20030180562 Sheets of condensation polymers such as polyethylene naphthalenedicarboxylate, having particles selected from crosslinked silicones, polystyrene, acrylic polymers, silica or alumina, used for high density recording
09/25/2003US20030179697 Head support mechanism and thin film piezoelectric actuator
09/25/2003US20030179684 Optically controlled digital data read/write device
09/25/2003US20030179658 Information recording medium, information recording apparatus, and recording method
09/25/2003US20030179520 Magnetic sensing element provided with second antiferromagnetic layer on free magnetic layer side
09/25/2003US20030179519 Reduced electrical resistance
09/25/2003US20030179518 System and method for an exchange stabilized AP-coupled free layer for MR heads
09/25/2003US20030179517 Transverse or longitudinal patterned synthetic exchange biasing for stabilizing GMR sensors
09/25/2003US20030179516 High magnetoresistance spin valve sensor with self-pinned antiparallel (AP) pinned layer structure
09/25/2003US20030179515 Spin valve sensor with exchange biased free layer and antiparallel (AP) pinned layer pinned without a pinning layer
09/25/2003US20030179514 Current perpendicular to the planes (CPP) spin valve sensor with in-stack biased free layer and self-pinned antiparallel (AP) pinned layer structure
09/25/2003US20030179513 Spin valve sensor with in-stack biased free layer and antiparallel (AP) pinned layer pinned without a pinning layer
09/25/2003US20030179512 Magnetic recording media; stabilized along longitudinal bias; narrow current profile
09/25/2003US20030179510 Magnetic head, magnetic head gimbal assembly, magnetic recording and reproducing apparatus, and magnetic memory
09/25/2003US20030179509 Hard biased self-pinned spin valve sensor with recessed overlaid leads
09/25/2003US20030179508 Methods and apparatus for defining the track width of a magnetic head having a flat sensor profile
09/25/2003US20030179507 Exchange biased self-pinned spin valve sensor with recessed overlaid leads
09/25/2003US20030179506 Magnetic head
09/25/2003US20030179505 One piece interconnect from channel chip to head slider in a voice coil actuator for a disk drive
09/25/2003US20030179504 Rotary head drum unit and magnetic tape drive
09/25/2003US20030179503 Actuator for hard disk drive
09/25/2003US20030179502 Magnetic head parking apparatus of hard disk drive
09/25/2003US20030179501 Head suspension for disk drive
09/25/2003US20030179500 Method of setting self-pinned AP pinned layers with a canted field
09/25/2003US20030179499 Magnetic head unit and method for fabricating the same
09/25/2003US20030179498 Magnetic head having a notched pole piece structure and method of making the same
09/25/2003US20030179497 Magnetic head having a bilayer pole tip and method of making the same
09/25/2003US20030179496 Magnetic head and method of making the same using an etch-stop layer for removing portions of the capping layer
09/25/2003US20030179492 Hard disk drive having air flow accelerating device
09/25/2003US20030179490 Hard disk drive
09/25/2003US20030179487 Static head design for computer hard drives
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