Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
05/2000
05/24/2000EP1002236A2 Magnetic field sensor
05/24/2000EP0627113B1 Data recording medium, recorder, reader and recording method
05/24/2000CN2379876Y Magnetic head made of stibium-indium series semiconductor magnet resistor
05/24/2000CN2379875Y Speech rereading means with image displaying function
05/24/2000CN1254436A Air-flow actuated latch
05/24/2000CN1254435A Dual layer magnetic exchange stabilization for MR heads
05/24/2000CN1254434A Magnetoresistive sensor with improved stability
05/23/2000US6067220 Shunt for protecting a hard file head
05/23/2000US6067215 Magnetic shielding for electromagnetic microactuator
05/23/2000US6067212 Tape drive head cleaner embedded in cartridge/drive leader block
05/23/2000US6067211 Oscillating magnetic head and stationary brush cleaning apparatus
05/23/2000US6067210 Movable carriage assembly supporting glad/write heads for a disk drive
05/23/2000US6067209 Disk drive device with shock resistance flexure and ramp limited system
05/23/2000US6067208 Adjustment feature for load/unload alignment ramp assembly
05/23/2000US6067207 Recording and/or reproducing apparatus including a slider with an inclined guide at a front end portion thereof
05/23/2000US6067206 Method and apparatus to compensate for servo wedge rotational offset after a head switch
05/23/2000US6067205 Positioning system for accurately positioning a read/write head over a track
05/23/2000US6067204 Disc drive servo pattern insensitive to read head
05/23/2000US6067200 Method and apparatus for adjusting a bias current of a magneto-resistive effect type magnetic head and magnetic recording apparatus
05/23/2000US6067199 Method and apparatus for increasing disc drive performance
05/23/2000US6067198 Apparatus and method for processing a data signal from a magnetic-media reading head
05/23/2000US6066987 Differential cascode magneto-resistance preamplifier with bias bypass
05/23/2000US6066442 Plastic film having an improved anti-static property
05/23/2000US6066380 Disc medium substrate and disc device
05/23/2000US6066240 Method and device for manufacturing a thin film and magnetic recording medium
05/18/2000WO2000028540A1 Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method
05/18/2000WO2000028536A1 Near-field optical head and production method thereof
05/18/2000WO2000028531A1 Uv-radiation-hardenable binder composition for magnetic recording media and photoinitiator mixture
05/18/2000WO2000028530A1 Magnetic recording medium and magnetic disc device
05/18/2000WO2000028528A2 Subambient pressure slider
05/18/2000WO2000028342A1 Disk drive with thermal asperity reduction circuitry using a magnetic tunnel junction sensor
05/18/2000WO2000028104A1 Sputtering apparatus and process for high rate coatings
05/18/2000WO2000005712A9 Reducing sensor temperature in magnetoresistive recording heads
05/18/2000WO1996039697A8 Error correction via programmable bias current for mr recording heads
05/18/2000DE19852037A1 Magnetic tape device e.g. for use with computer or electronic camera, has driver circuit for recording head matrix employing common row and column return lines
05/17/2000EP1001634A2 Video signal processing, recording format discriminating, and signal reproducing
05/17/2000EP1001539A2 Conversion method, restoration method, conversion device, and restoration device
05/17/2000EP1001423A2 Data writing/reading apparatus
05/17/2000EP1001408A2 A magnetic disc substrate and a magnetic disc using the same
05/17/2000EP1001361A2 Magnetic code reading device and method
05/17/2000EP1001051A1 Thin film forming method and thin film forming apparatus
05/17/2000EP1000467A1 Apparatus and method for modulation /demodulation with consecutive minimum runlength limitation
05/17/2000EP0737353B1 Magnetic tape with a track configuration and apparatus for cooperation with such a magnetic tape
05/17/2000EP0737352B1 Magnetic tape with a track configuration and apparatus for cooperation with such a magnetic tape
05/17/2000EP0729630B1 Record carrier, recording device and reading device
05/17/2000EP0647170B1 A method of and apparatus for removing debris from the floptical medium
05/17/2000CN1253645A Apparatus for reading permanently structured magnetic records
05/17/2000CN1253360A Disk set
05/17/2000CN1253354A Disk set and its manufacturing method
05/17/2000CN1253074A Double axial orientated polyester film
05/17/2000CN1253068A Method and equipment for forming plastic sheet
05/17/2000CN1052444C Device IC for printing head
05/16/2000US6064831 Attaching method for a magnetic head used in a camera and attachment for the same
05/16/2000US6064644 Optical recording medium having particular arrangement of prepits and manufacturing method thereof
05/16/2000US6064552 Magnetoresistive head having magnetic yoke and giant magnetoresistive element such that a first electrode is formed on the giant magnetoresistive element which in turn is formed on the magnetic yoke which acts as a second electrode
05/16/2000US6064551 High quality capable of applying a uniform bias magnetic field to a magnetoresistance effect layer without increasing the impedance and having an improved reproduction output.
05/16/2000US6064550 Head actuator with dual drive means
05/16/2000US6064546 Magnetic storage apparatus
05/16/2000US6064542 Methods and apparatus for positioning read/write head in a computer disk drive
05/16/2000US6064541 Servo pattern writing method for magnetic disk drives, and magnetic disk drive adopting the method
05/16/2000US6064540 Active control for stabilizing a servo-controlled actuator system
05/16/2000US6064539 Method of retracting a read and/or write head for parking
05/16/2000US6064538 Biasing/erasing oscillation circuit for magnetic tape recording apparatus
05/16/2000US6064537 Disk drive with fault detector for erase heads
05/16/2000US6064534 Method and apparatus for varying write currents supplied to recording heads based on temperature changes in an information storing device
05/16/2000US6064261 Write amplifier with improved switching performance, output common-mode voltage, and head current control
05/16/2000US6064083 Hybrid hall effect memory device and method of operation
05/16/2000US6063512 Soft magnetic thin film having Co, Ni and Fe as main ingredients, method of manufacturing the same and magnetic head and magnetic storage unit using the soft magnetic thin film
05/16/2000US6063500 Magnetic recording medium
05/16/2000US6063491 Magnetoresistance effects film
05/16/2000US6063490 Magnetic recording medium comprising non-magnetic acicular particles containing mainly iron and having titanium dispersed therein
05/16/2000US6063489 Magnetic recording medium comprising a mixed magnetic region having a thickness relative to the total thickness of magnetic layers
05/16/2000US6063470 Substrate for information recording media and magnetic disc
05/16/2000US6063244 Dual chamber ion beam sputter deposition system
05/16/2000US6061897 Fabrication of rail of magnetic head slider
05/16/2000US6061896 Method for assembling a disk drive actuator assembly having a spring lock mount
05/11/2000WO2000026913A1 Velocity limited loading of read heads onto disk drive media
05/11/2000WO2000026904A1 Master information medium and method of master information recording
05/11/2000WO2000026903A1 Biaxially oriented laminated polyester film for magnetic recording medium
05/11/2000WO2000026683A1 Magnetoresistive magnetic field sensor
05/11/2000DE19951069A1 Abschirmung in einem Leseelement eines Daten-Magnetkopfes Shield in a read element of a data magnetic head
05/11/2000DE19929280A1 Magnetic disc unit has optical arrangement for detecting track following information beneath magnetic head emitting laser beam onto recording medium and receiving reflected beam
05/11/2000DE19851567A1 Durch UV-Bestrahlung härtbare Bindemittelzusammensetzung für magnetische Aufzeichnungsmedien und Photoinitiatormischung Curable by UV irradiation binder composition for magnetic recording media and photoinitiator mixture
05/10/2000EP0999547A1 Method and apparatus for active head mode control
05/10/2000EP0999543A2 Bimodal biasing of magneto resistive heads
05/10/2000EP0999291A1 Method for producing thin film coated magnetic disks and thin film magnetic disks thus obtained
05/10/2000EP0999185A1 Spindle-shaped goethite particles, spindle-shaped hematite particles and magnetic spindle-shaped metal particles containing iron as main component
05/10/2000EP0999033A2 Process and apparatus for forming plastic sheet
05/10/2000EP0998742A1 Recording apparatus provided with a write driver circuit
05/10/2000EP0901679A4 Process for producing a pole-trimmed writer in a magnetoresistive read/write head and a data transducer made thereby
05/10/2000EP0878002B1 Dynamically programmable magneto-resistive head write and read bias currents
05/10/2000EP0799325B1 Computer hard disk and process for making same
05/10/2000CN1252879A Microactulor servo system in a disc drive
05/10/2000CN1052323C 磁头组件 Head assembly
05/09/2000US6061402 Methods and apparatus for efficiently decoding bi-directionally coded image data
05/09/2000US6061312 Disk reproducing apparatus controlling read signal from a disk by using demodulated identifying signal and stored identifying signal in a memory
05/09/2000US6061212 Magnetic head with circular notches and magnetic recording/reproducing apparatus using the same
05/09/2000US6061211 Magnetic sensor including a spin valve magnetoresistance effect film
05/09/2000US6061210 Antiparallel pinned spin valve with high magnetic stability
05/09/2000US6061209 Positioning system for a magnetic head for a tape drive