Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
06/2001
06/28/2001US20010004798 Method of making a dual GMR read head with self-pinned layer and specular reflector
06/28/2001US20010004797 Method of making a read sensor for a merged magnetic head with self-aligned low resistance leads
06/28/2001US20010004796 Method of accurately and easily mounting a drive motor to a frame member in assembling a disk drive for driving a flexible disk
06/27/2001EP1111595A1 Base for magnetic recording medium, magnetic recording medium, method for producing the same, and magnetic recorder
06/27/2001EP1111594A1 Polyester film for magnetic recording medium, and magnetic recording tape
06/27/2001EP1111593A1 Magnetic head and structure for supporting same
06/27/2001EP1111592A1 Magnetic recording device
06/27/2001EP1111591A1 Information recording/reproducing device
06/27/2001EP1111590A2 Head drum for a magnetic tape recorder
06/27/2001EP1110392A1 Method and apparatus to synthesize and defeat video copy protection signals
06/27/2001EP1110212A1 Thin film tape write head for dual frequency operation
06/27/2001EP1110211A1 Write drive apparatus
06/27/2001EP1110210A1 Devices for multi-standard recording on a video tape
06/27/2001EP0771435B1 Method and apparatus for offset frequency estimation for a coherent receiver
06/27/2001CN1301386A Method and apparatus utilizing field ratioing demodulation techniques for a null-type servo pattern
06/27/2001CN1301380A Adaptive low-noise current generator and method
06/27/2001CN1301008A Device, system and method for recording information onto magnetic media
06/27/2001CN1300659A Clamp for machining
06/27/2001CN1067793C Magnetic recording/replaying equipment with tape-guiding drum positioning mechanism
06/27/2001CN1067788C Process for manufacturing magnetic pick-up and magnetic disc memory system
06/27/2001CN1067787C Digital signal magnetic recording and replaying apparatus
06/26/2001US6252796 Device comprising a first and a second ferromagnetic layer separated by a non-magnetic spacer layer
06/26/2001US6252750 Read head with file resettable double antiparallel (AP) pinned spin valve sensor
06/26/2001US6252749 Thin film magnetic head having a gap layer with improved thermal conductivity
06/26/2001US6252748 Thin film magnetic head with widening outer layer of multi-layer pole
06/26/2001US6252747 Disk apparatus having an improved head carriage structure
06/26/2001US6252746 Actuator of hard disk drive having improved bobbin
06/26/2001US6252745 Latch and linear crash stop for a disc drive actuator arm
06/26/2001US6252744 Voice-coil integrated non-contacting magnetic latch for a disc drive actuator assembly
06/26/2001US6252743 Read/write positioning arm with interspaced amplifier chips
06/26/2001US6252742 Disk drive and floating head slider with means for minimizing dust accumulation thereon
06/26/2001US6252741 Thin film magnetic recording head with treated ceramic substrate
06/26/2001US6252739 Compliant read and write head cleaner
06/26/2001US6252737 Contact magnetic disk apparatus
06/26/2001US6252736 System for preventing crosstalk noise in a disk drive
06/26/2001US6252735 Voltage-biasing, voltage-sensing differential preamplifier for magnetoresistive elements
06/26/2001US6252734 Arrangement for reproducing a digital signal from a track on a magnetic record carrier having an equalizer filter in the form of a transconductance-capacitor filter
06/26/2001US6252733 Method and apparatus for acquiring a preamble signal in a hard disk drive
06/26/2001US6252732 Method and apparatus for correcting systematic errors in timing pattern generation
06/26/2001US6252731 Parametric optimization using disc drive read channel quality measurements
06/26/2001US6252459 System and method for a dual bandwidth capacitor multiplying filter
06/26/2001US6252450 Circuit and method for writing to a memory disk
06/26/2001US6252440 Write-driver circuit
06/26/2001US6252364 Method and apparatus for unlatching an actuator
06/26/2001US6252226 Nanometer scale data storage device and associated positioning system
06/26/2001US6251812 Glass composition and substrate for information recording media comprising the same
06/26/2001US6251532 Multilayer; nonmagnetic substrate, magnetic layer, protective coatings
06/26/2001US6251509 Magnetic tape
06/26/2001US6251496 Magnetic recording medium method and apparatus for producing the same
06/26/2001US6251484 Application method
06/26/2001US6251231 Insulating film is made to have a thinner thickness to accommodate a narrower track and a narrower gap which are necessary for higher density.
06/26/2001US6251230 Vacuum deposition method
06/26/2001US6250374 Apparatus and method for treating substrates
06/26/2001US6249959 Method for processing an integrated lead suspension
06/26/2001US6249945 Hard disk burnishing head
06/21/2001WO2001045141A2 Method and apparatus for smoothing thin conductive films by gas cluster ion beam
06/21/2001WO2001045094A2 Method of positioning by means of an actuator having three bridges
06/21/2001WO2001045093A1 Digital data recording apparatus
06/21/2001WO2001045092A2 Data storage system using synchronization signals incorporating servo information
06/21/2001US20010004499 Forming over the air-bearing surface a wear-resistant carbon layer and covering that layer with a lubricating carbon layer; direct access storage devices
06/21/2001US20010004472 Reducing coating defects caused by strikethrough when simultaneously slide coating at least a first fluid layer, a second fluid layer, and a third fluid layer; imaging, data storage media
06/21/2001US20010004392 Arrangement for receiving a digital signal from a transmission medium
06/21/2001US20010004307 Spin valve element and thin film magnetic head
06/21/2001US20010004306 Read head having high resistance soft magnetic flux guide layer for enhancing read sensor efficiency
06/21/2001US20010004304 Tracking signal generating device and method, and magnetic recording/reproducing system
06/21/2001US20010004303 Head suspension assembly with precise positioning actuator
06/21/2001US20010004244 Spin valve magnetoresistive effect type element assessment method and a spin valve magnetoresistive effect type element assessment device
06/21/2001US20010003862 Method of making a patterned magnetic recording head
06/21/2001DE10046948A1 Hard disk drive with loading/unloading function for personal computer, has arm fixing mechanism connected to suspension arm at position where it reaches internal diameter area of disc
06/20/2001EP1109168A2 Magnetic dual element with dual magnetic states and fabricating method thereof
06/20/2001EP1109159A1 Ferromagnetic metal powder and magnetic recording medium using the same
06/20/2001EP1109158A1 Magnetic recording medium
06/20/2001EP1109157A1 Magnetic head
06/20/2001EP1109156A2 Data storage system having a media-stabilizing member
06/20/2001EP1109155A1 Coil for magnetic head, magnetic head, and magneto-optical recorder
06/20/2001EP0710390B1 Magnetic structure with stratified layers
06/20/2001CN1300524A processing system with dual ion sources
06/20/2001CN1300419A Coil for magnetic head, magnetic head, and magneto-optical recorder
06/20/2001CN1300418A Coil for magnetic head, magneltic head, and magneto-optical recorder
06/20/2001CN1300052A Magnetic-tape processing apparatus
06/20/2001CN1300051A Magnetic head assembly and mfg. method and lead-connection method for said magnetic head assembly
06/20/2001CN1067480C Control signal generator for digital information signal record system
06/20/2001CN1067479C Binder system for magnetic medium
06/19/2001US6249890 Detecting head readback response degradation in a disc drive
06/19/2001US6249824 Magnetic data storage fixed hard disk drive using stationary microhead array chips in place of flying-heads and rotary voice-coil actuators
06/19/2001US6249639 Digital information recording-reproducing apparatus
06/19/2001US6249547 Methods and apparatus for decoding high definition and standard definition digital video images using a single decoder apparatus
06/19/2001US6249491 Magneto-optical head having dual magnetic field generators
06/19/2001US6249407 Magnetoresistive device having a tantalum layer connected to a shielding layer via a layer of a body-centered cubic structure
06/19/2001US6249406 Magnetoresistive sensor with a soft adjacent layer having high magnetization, high resistivity, low intrinsic anisotropy and near zero magnetostriction
06/19/2001US6249405 Magnetic head including magnetoresistive element
06/19/2001US6249404 Head gimbal assembly with a flexible printed circuit having a serpentine substrate
06/19/2001US6249403 Magnetic hard disk drive and process for producing the same
06/19/2001US6249402 Magnetic head slider
06/19/2001US6249399 Methods and systems for self-servowriting including maintaining a reference level within a useable dynamic range
06/19/2001US6249398 Class of fixed partial response targets in a PRML sampled data detection channel
06/19/2001US6249397 Device for reading and writing data on magnetic recording layer of photo film
06/19/2001US6249396 Magnetic media having partitioned and presaturated data tracks
06/19/2001US6249395 Data recovery system particularly for systems utilizing partial response maximum likelihood detection
06/19/2001US6249394 Method and apparatus for providing amplitude instability data recovery for AMR/GMR heads