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)
03/2003
03/13/2003US20030048568 Method, apparatus and software for tape drive mechanical fault detection
03/13/2003US20030048567 Method and apparatus for providing positional information on a disk
03/13/2003US20030048566 Contoured disc drive head surface and method
03/13/2003US20030048564 Programmable write equalization circuit
03/13/2003US20030048563 Alternating-azimuth angle helical track format using grouped same-azimuth angle heads
03/13/2003US20030048562 Servo circuit having a synchronous servo channel and method for synchronously recovering servo data
03/13/2003US20030048561 Magnetic storage medium, method for controlling track pitch of the medium, and magnetic recorder for the medium
03/13/2003US20030048560 Data-storage disk having few or no spin-up wedges and method for writing servo wedges onto the disk
03/13/2003US20030048559 Methods and apparatus for gradually deceasing supply current demand in arm electronics for write-to-read transitions
03/13/2003US20030048557 Magnetic transfer apparatus
03/13/2003US20030048555 Control apparatus for magnetic read
03/13/2003US20030047611 Data storage card device, apparatus and method
03/13/2003US20030047534 Wiring integrated flexure and method of manufacturing the same
03/13/2003US20030046807 Method for forming a MR reader with reduced shield topography and low parasitic resistance
03/12/2003EP1291859A2 Manufacturing method of stamper for optical information medium, photoresist master therefor, stamper for optical information medium and optical information medium
03/12/2003EP1291853A2 Position demodulating method and circuit of disk apparatus
03/12/2003EP1291852A2 Magnetic disk drive and control method thereof
03/12/2003EP1291722A2 Method of recording identifier and set of photomasks
03/12/2003EP1291329A1 Glass composition, sealing glass for magnetic head and magnetic head
03/12/2003EP1105874A4 Large capacity, high performance tape cartridge
03/12/2003CN1402871A Tolerance ring with low consistent installation force profile
03/12/2003CN1402860A Data storage device, apparatus and method for using same
03/12/2003CN1402539A Method and device for recording and reproducing video data, and information storage medium thereof
03/12/2003CN1402224A Magnetic resistance head and making method thereof
03/12/2003CN1402223A Magnetic sensor, magnetic head and magnetic recording device
03/12/2003CN1402222A Magnetic head with improved heat radiation property
03/12/2003CN1103094C Magnetic disk apparatus and method of production thereof
03/11/2003US6532207 Optical reproducing method
03/11/2003US6532199 Optical actuator assembly with lens position sensor for recording or playback
03/11/2003US6532164 Magnetic spin polarization and magnetization rotation device with memory and writing process, using such a device
03/11/2003US6532138 Mechanism for producing minute movement of a head of a disk device
03/11/2003US6532137 Head assembly, disk drive apparatus, hard disk drive and method for manufacturing disk drive apparatus
03/11/2003US6532136 Hard disk drive apparatus
03/11/2003US6532135 Suspension load beam for disk drive actuator
03/11/2003US6532134 Silicon coating on air bearing surface for magnetic thin film heads
03/11/2003US6532132 Irradiating with laser light thereby to write identification information; depth of the concave portion is adjusted in a range between 0.1 mu m and 5 mu m; minimizing contamination
03/11/2003US6532130 Head for reading magnetically stored data
03/11/2003US6532129 Method and apparatus for sustaining feedback filter state having periodic output
03/11/2003US6532127 Differential voltage bias, voltage sense preamplifier architecture
03/11/2003US6532126 Head switching sequence in a disc drive employing head bias currents
03/11/2003US6532125 Apparatus and method suitable for magnetic-thermal recording
03/11/2003US6532123 Write drive apparatus
03/11/2003US6532122 Data storage apparatus and magnetic recording method
03/11/2003US6531867 High stability spin stand platform with air bearing micropositioning stage
03/11/2003US6531211 Particle size of 0.01 to 0.2 mu m are surface coated with an organosilicon compound(s) and a carbon black coating is applied over the organosilicon coating layer. Optionally, a coating of silicon or aluminum oxide or hydroxide is provided
03/11/2003US6531202 Perpendicular magnetic recording media with reduced-noise soft magnetic underlayer
03/11/2003US6531084 Laser edge treatment of sliders
03/11/2003US6531047 Treating nickel-phosphide plated aluminum substrate with functional water
03/11/2003US6530825 Method for the production of glass substrates for magnetic recording mediums
03/11/2003US6530141 Less blur
03/06/2003WO2003019590A1 Enhanced ion beam etch selectivity of magnetic thin films using carbon-based gases
03/06/2003WO2003019559A1 Contact detection and calibration for electrostatic fly height control in a disc drive
03/06/2003WO2003019556A2 Method and apparatus for selecting equalization targets
03/06/2003WO2003019540A1 Magnetic disk medium and production method thereof and magnetic recording device
03/06/2003WO2003019539A1 Disc head slider designs to reduce particle sensitivity and improve disc following capability
03/06/2003WO2003019538A1 System and method for electrostatic fly height control
03/06/2003WO2003019537A1 Thin-film magnetic head
03/06/2003WO2003019536A2 Magnetic recording head including spatially-pumped spin wave mode writer
03/06/2003WO2003001526B1 Cleaning method for magnetic transfer carrier
03/06/2003WO2002101730A3 Attachment of a head-gimbal assembly to a printed circuit board actuator arm using z-axis conductive adhesive film
03/06/2003US20030046618 Relative dynamic skew compensation of parallel data lines
03/06/2003US20030046245 Method and apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption
03/06/2003US20030045630 Carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media
03/06/2003US20030045110 Electron beam lithography method for plating sub-100 nm trenches
03/06/2003US20030044650 Magnetic thin film media with a protective layer of CNx having a plurality of compositions
03/06/2003US20030044649 Magnetic recording medium and method of manufacturing the same
03/06/2003US20030044648 Excellent dispersibility in a vehicle, especially such a vehicle composed of a binder resin having a sulfonate or carboxylate group, and in which an orientation and a packing density in coating film are improved.
03/06/2003US20030044647 Texturing using a near infrared wavelength laser to create bumps on a nonmetallic substrate based magnetic disk.
03/06/2003US20030044565 Perpendicular magnetic recording medium and manufacturing method therefor
03/06/2003US20030044303 Ultra high saturation moment soft magnetic thin film and its manufacturing method
03/06/2003US20030044096 Pivot bearing for the swing arm of the hard disk drive device
03/06/2003US20030043731 Variable thickness stamper for creation of flat molded substrates
03/06/2003US20030043729 Mechanism for limiting actuator assembley movement in a data storage/retrieval system
03/06/2003US20030043727 Eccentric CAM for limiting actuator tracking
03/06/2003US20030043726 Focus stop for limiting actuator assembly focus travel
03/06/2003US20030043717 Method for aligning actuator assembly to a base in a miniature optical disk drive
03/06/2003US20030043699 Apparatus and method for recording information
03/06/2003US20030043528 Bulk degausser with fixed arrays of magnet poles
03/06/2003US20030043514 Thin-film magnetic head and method of manufacturing same, head gimbal assembly, and hard disk drive
03/06/2003US20030043513 Inverted write head for vertical recording
03/06/2003US20030043512 Ferromagnetic particles in binder
03/06/2003US20030043511 Actuator arm design for reducing power consumption in a disk drive data storage device
03/06/2003US20030043510 Head supporting device and disk drive unit using the same
03/06/2003US20030043509 Spacer ring for disk drive spindle with load/unload feature, latch feature, and tribological overcoat
03/06/2003US20030043508 Flex on suspension with actuator dynamic function
03/06/2003US20030043505 Rotary head cleaning device
03/06/2003US20030043504 Narrow write head pole tip fabricated by sidewall processing
03/06/2003US20030043503 Magnetroresistive sensor with oversized pinned layer
03/06/2003US20030043498 Magnetic servo of a recording head
03/06/2003US20030043497 System and method for electrostatic fly height control
03/06/2003US20030043496 Apparatus and method for head load control in disk drive
03/06/2003US20030043495 Massively parallel fixed head disk drive
03/06/2003US20030043494 Magnetic disk apparatus and its servo signal recording method
03/06/2003US20030043493 Auto centering of disks on a hard disk drive
03/06/2003US20030043492 Method and apparatus to read past EOD marker
03/06/2003US20030043491 Contact detection and calibration for electrostatic fly height control in a disc drive
03/06/2003US20030043490 Recording heads using magnetic fields generated locally from high current densities in a thin film wire
03/06/2003US20030043489 Method and apparatus for providing instability recovery
03/06/2003US20030043488 Methods and apparatus for increased magnetic coding density by precise placement of magnetic transitions
03/06/2003US20030043486 Magnetic pattern transferring method for performing a magnetic pattern transfer while correcting a magnetically different part
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