Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
02/2001
02/06/2001US6183891 Magnetic head and method of manufacture
02/06/2001US6183890 Magneto-resistance effect device and method of manufacturing the same
02/06/2001US6183889 Magneto-impedance element, showing change in impedance in response to external magnetic field when alternating current is applied, comprising glassy alloy having specified composition and temperature region of supercooling liquid zone
02/06/2001US6183881 Forming magnetic thin film on conductive film by electroplating using sulphate-chloride type acid plating bath containing nickel ions, iron ions, molybdenum ions and organic acid at specified concentration
02/06/2001US6183868 Spindle-shaped goethite particles, spindle-shaped hematite particles and spindle-shaped magnetic iron based alloy particles
02/06/2001US6183860 Multilayer magnetic element
02/06/2001US6183841 Optimized low profile swage mount base plate attachment of suspension assembly for hard disk drive
02/06/2001US6183832 CoCrPtB alloys with increased boron content and method of producing same
02/06/2001US6183831 Hard disk vapor lube
02/06/2001US6183828 Plating on nonmetallic disks
02/06/2001US6183816 Magnetic recording media on substrates from plasma
02/06/2001US6183656 Method of detecting end point of polishing of wafer and apparatus for detecting end point of polishing
02/06/2001US6183606 Manufacture method of high coercivity FePt-Si3N4 granular composite thin films
02/06/2001US6183594 Method and system for detecting the end-point in etching processes
02/06/2001US6183568 Method for preparing a magnetic thin film
02/01/2001WO2001008176A1 Method of manufacturing a magnetic tunnel junction device
02/01/2001WO2001008155A1 Pq enhanced observer based dual stage servo controller
02/01/2001WO2001008154A1 Disturbance rejection of mechanical interaction for dual-actuator disc drives using adaptive feedforward servo
02/01/2001WO2001008139A1 Repeatable runout compensation using a learning algorithm with scheduled parameters
02/01/2001WO2001008138A1 Disturbance rejection for disc drives using adaptive accelerometer feedforward servo
02/01/2001WO2001007926A1 Method of manufacturing a magnetic tunnel junction device
02/01/2001DE10036161A1 Gleitstück-Struktur Slide structure
02/01/2001DE10031862A1 Verfahren zum Vermindern des Datenaufwandes in einem PRML-Datenkanal Method of reducing data complexity in a PRML data channel
01/2001
01/31/2001EP1073255A2 Photo albuming with APS
01/31/2001EP1073071A2 Magnetic multilayer
01/31/2001EP1073053A2 Device for reading and writing tape recording medium, accessing method therefor, and recording medium
01/31/2001EP1073043A1 Magnetic disk device and master information disk
01/31/2001EP1073042A1 Non-magnetic composite particles, process for producing the same and magnetic recording medium using the same
01/31/2001EP1073041A1 Magnetic recording medium
01/31/2001EP1073040A2 Magnetic head, method for producing the same, video recording and reproduction apparatus including the magnetic head, and video camera including the magnetic head
01/31/2001EP1072039A1 Optical recording medium and method of assigning its spare area
01/31/2001CN1061452C Method for preparing ferric oxide magnetic powder for high density magnetic recording
01/30/2001US6182250 Implementation of variable bit density recording in storage disc drives
01/30/2001US6181879 Magnetic recording and regenerating unit for photographic film and camera
01/30/2001US6181654 Data recording medium and data recording/reproducing apparatus for providing optimum position of mark start and end parts
01/30/2001US6181537 Tunnel junction structure with junction layer embedded in amorphous ferromagnetic layers
01/30/2001US6181535 Magnetoresistance effect head obtained using a pulse magnetic field process
01/30/2001US6181534 Antiparallel (AP) pinned spin valve sensor with specular reflection of conduction electrons
01/30/2001US6181533 Simultaneous fixation of the magnetization direction in a dual GMR sensor's pinned layers
01/30/2001US6181532 Stabilized MR sensor and flux/heat guide joined by contiguous junction
01/30/2001US6181531 Thin film magnetic head slider and electrostatic actuator for driving a head element thereof
01/30/2001US6181529 Suspension for disk drive and working method therefore
01/30/2001US6181528 Magnetic disk drive with load/unload structure including a base, a body, ramps, and a H/L ratio of 2 or greater
01/30/2001US6181527 Transducer suspension system including a frequency dependent shunt
01/30/2001US6181526 Suspension with flexible circuit welded thereto via metal pads
01/30/2001US6181525 Read/write head with a limited range of motion relative to a load beam
01/30/2001US6181524 Magnetic disk apparatus with slider and slider supporting mechanism including flexible section integrally formed from same material
01/30/2001US6181523 Head carriage assembly for a magnetic disk drive
01/30/2001US6181522 Read/write head with a gimbal ball assembly
01/30/2001US6181521 Method of assembling magnetic head slider and magnetic storage device
01/30/2001US6181520 Head slider and disk unit having contact detection means
01/30/2001US6181519 Tri-pad air bearing head slider having leading edge and trailing edge of air bearing side pads tapered to minimize takeoff and landing velocity and time
01/30/2001US6181518 Transverse pressurization contour slider
01/30/2001US6181517 Magnetic disc drive system with liquid film lubricating agent
01/30/2001US6181514 Scaled write head with high recording density and high data rate
01/30/2001US6181507 Increased and randomized output sampling to reduce positioning noise in a data storage system
01/30/2001US6181506 Tracking control device
01/30/2001US6181505 Synchronous digital demodulator with integrated read and servo channels
01/30/2001US6181504 Method for measuring track pitches of a hard disk drive
01/30/2001US6181503 Magnetic disk device using a contact start stop system
01/30/2001US6181502 Faster access time in a disk drive by utilizing increased VCM potential voltage
01/30/2001US6181501 Information recording and reproducing apparatus having an improved high frequency characteristic for a reproduction signal
01/30/2001US6181500 Self servo rewrite method and apparatus
01/30/2001US6181499 Method and apparatus for testing the digital read channel circuit of a data storage device
01/30/2001US6181498 Recording and reproducing apparatus, information signal recording and reproducing system and method of managing invalid area information
01/30/2001US6181496 Magnetic recording control circuit with voltage clamps
01/30/2001US6181495 Data recording apparatus
01/30/2001US6181494 Recording format for automatic adjustment, recording device therefor and automatic adjustment device
01/30/2001US6181493 Write fault thresholds adaptive by head and disc location in a disc drive
01/30/2001US6181492 Quickly written servo-patterns for magnetic media including writing a servo-master pattern
01/30/2001US6180916 Method of manufacturing a magnetic recording medium with a laser textured data zone
01/30/2001US6180890 Coil wire having an inorganic or organic fiber core surrounded by an outer metal layer overcoated with a dielectric material; tensile strength
01/30/2001US6180421 Method and apparatus for manufacturing magnetic head
01/30/2001US6180254 Wholly aromatic polyamide produced by an acid chloride process; hydroxides, carbonates or bicarbonates of metals of groups ia and iia of the periodic table to neutralize hydrogen chloride by-product
01/30/2001US6180209 Containing 0.01 to 3.0% by weight of inorganic particles x and 0.001 to 1.5% by weight of crosslinked polymer particles y
01/30/2001US6180208 Information recording medium and method for producing the same
01/30/2001US6180202 Large capacity disk and method for manufacturing the same
01/30/2001US6178835 Tool, apparatus and method of testing a fixture
01/30/2001US6178618 Method for constructing a pivot cartridge assembly for a disc drive
01/25/2001WO2001006513A1 Head actuator
01/25/2001WO2001006498A1 Read/write head and magnetic recording device
01/25/2001WO2000063753A3 Self tuning model reference controller in a disc drive
01/25/2001DE10030745A1 Magnetic recording medium comprises a non-magnetic layer made of a non-magnetic powder and a binder on a flexible non-magnetic support, and a magnetic layer containing a ferromagnetic powder and a binder
01/25/2001DE10020394A1 Head component used in the production of integrated circuits contains a mounting surface, and an integrated circuit chip for processing signals covered by a layer
01/25/2001DE10020374A1 Disc unit head assembly has head IC chip mounted on suspension by ultrasonic bonding, protruding electrodes bonded onto electrode connection points by ultrasonic bonding
01/25/2001DE10009948A1 Head suspension and structure for information disc device has head IC on mounting surface of head suspension with through hole via which IC is connected to head IC mounting surface
01/24/2001EP1071102A1 Magnetic recording medium, and magnetic powder and method for preparing the same
01/24/2001EP1070316A2 Three-dimensional recording heads for control of debris and bidirectional written track width
01/24/2001CN1281577A Slider for disc storage system
01/24/2001CN1281225A Hard disk equipment, floating block supporting structure magnetic gimbal element and its manufacturing method
01/24/2001CN1061156C Magnetic head in video cassette recorder
01/24/2001CN1061155C 磁头 Magnetic head
01/24/2001CN1061154C Magnetic heads
01/24/2001CN1061102C Beryllium-containing alloys of aluminium and semi-solid processing of such alloys
01/23/2001US6178287 Magnetic recording and reproducing system including search reproduction circuit for reproducing an entire screen of one picture channel selected from a plurality of picture channels intermittently recorded on a magnetic tape
01/23/2001US6178157 Flying head with adjustable actuator load
01/23/2001US6178148 Data recording medium and recording/reproducing apparatus for providing optimum position of mark start and end parts
01/23/2001US6178147 Recording method, recording apparatus, reproducing method and reproducing apparatus
01/23/2001US6178074 Double tunnel junction with magnetoresistance enhancement layer
01/23/2001US6178073 Magneto-resistance effect element with a fixing layer formed from a superlattice of at least two different materials and production method of the same