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)
11/2000
11/02/2000EP1047548A1 A metal foil disk for high areal density recording in environments of high mechanical shock
11/02/2000DE10007617A1 Magnetic field characterization process, especially for magnetic read/write heads, comprises providing a magnetosensitive layer between a component surface and a scanning force microscope sensor
11/01/2000CN1272208A Storage card and device
11/01/2000CN1272202A Magnetic head device and method of manufacturing same
11/01/2000CN1271928A Cleaning belt used for cleaning driving medium of video recorder magnetic head
11/01/2000CN1271927A Spinning valve sensor with improved interface between nailing layer and nailed layer
11/01/2000CN1271926A Magnetic head and manufacturing method thereof
11/01/2000CN1058099C Dynamic controlling device for fly height of magnetic head on surface of magnetic disc
11/01/2000CN1058098C Magnetoresistive sensor for improved servo-positioning precision and its manufacturing method
10/2000
10/31/2000US6141502 Magnetic recording and regenerating unit for photographic film and camera
10/31/2000US6141486 Methods and apparatus for recording digital data including sync block and track number information for use during trick play operation
10/31/2000US6141419 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
10/31/2000US6141191 A non-magnetic nickel-iron-chromium seed layer for improve grain structure in the deposited layers enhancing the magnetoresistance coefficients
10/31/2000US6141190 Magnetoresistive effect head
10/31/2000US6141189 Laminated steel return path with actuator support features
10/31/2000US6141188 Secondary actuator
10/31/2000US6141187 Suspension with reticulated spring portion and pattern etched beam portion
10/31/2000US6141186 Cassette adaptor
10/31/2000US6141183 Process for producing a pole-trimmed writer in a magnetoresistive read/write head and a data transducer made thereby
10/31/2000US6141182 Magnetic head assembly with contact-type head chip mounting and electrically connecting arrangements
10/31/2000US6141181 Magnetic disk apparatus with floating sliders having obliquely mounted rails
10/31/2000US6141177 Signal reproducing device and method with tracking error formation
10/31/2000US6141176 Data storage disk with information encoded in the position error signal fields
10/31/2000US6141175 Repeatable runout cancellation in sectored servo disk drive positioning system
10/31/2000US6141174 Method of reading recorded information from a magnetic tape that compensates for track pitch changes
10/31/2000US6141170 Signal processing with frequency component detection in two modes
10/31/2000US6141169 System and method for control of low frequency input levels to an amplifier and compensation of input offsets of the amplifier
10/31/2000US6141168 Automatic calibration method, read apparatus and storage apparatus
10/31/2000US6141167 Compensating circuit, equalizer and magnetic recording/reproducing apparatus using the same
10/31/2000US6141166 Recording head arrangement for a magnetic recording device having a multichannel recording mode
10/31/2000US6141165 Head switching sequence in a disc drive employing head bias currents
10/31/2000US6141164 Data recording/reproducing apparatus employing read-after-write system
10/31/2000US6141163 Phase-locked loop circuit having loop performing feedback control to make reproduction clock phase-lock with reproduction data and recording/reproducing apparatus
10/31/2000US6141162 Magnetic recording device
10/31/2000US6141161 Magnetic card recording/reproducing apparatus and method
10/31/2000US6140838 High density and high speed magneto-electronic logic family
10/31/2000US6140815 High stability spin stand platform
10/31/2000US6140814 Disk glide testing with zone detection
10/31/2000US6140791 Method and apparatus for controlling the acceleration trajectory of positioning a high-velocity transducer and for reducing the harmonic content thereof
10/31/2000US6140661 Loader with a matching finger that loads a head gimbal assembly onto a disk
10/31/2000US6139982 Magnetic recording medium having a binder system including a polyurethane polymer having both phosphonate and quaternary ammonium pendant groups
10/31/2000US6139981 Magnetic thin film medium with adhesion enhancement layer
10/31/2000US6139980 Reading method of reading information from a recording medium and medium used therefor
10/31/2000US6139966 Carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media
10/31/2000US6139951 Magnetic recording medium with low temperature seedlayer for high signal-to-noise ratio
10/31/2000US6139950 Magnetic recording medium containing a Cr(HfO2) or Cr(ZrO2)
10/31/2000US6139946 Magnetic recording media incorporating a quaternary ammonium functional binder and magnetic pigment surface treated with compound having acidic and electron withdrawing functionalities
10/31/2000US6139937 Magnetic recording medium
10/31/2000US6139936 Discrete track media produced by underlayer laser ablation
10/31/2000US6139908 Magnetoresistance device and production method thereof
10/31/2000US6139907 High coercivity longitudinal recording media and method for its preparation
10/31/2000US6139906 Methods of depositing multilayer thin films
10/31/2000US6139766 An oxide magentic material consists of a mixed oxide of iron with a metal selected from strontium, calcium, barium and lead with strontium being must, and a metal from rare earth including yttrium and bismuth, and cobalt or cobalt and zinc
10/31/2000US6139407 Method for processing using beam of magnetic line of force, apparatus for carrying out said method, and carriage member for hard disk drive processed by said method
10/31/2000US6139078 Self-aligning end effector for small components
10/31/2000US6138502 Glide head for detecting defects on a disk surface
10/26/2000WO2000063909A1 Accumulating read channel performance data
10/26/2000WO2000063907A2 Rotationally optimized seek initiation
10/26/2000WO2000063906A1 Method and apparatus for correcting digital asymmetric read signals
10/26/2000WO2000063904A1 A servo format for disks, preferably hard disks
10/26/2000WO2000063896A1 Adaptive h-infinity hardware controller for disc drive actuator control
10/26/2000WO2000063895A1 Apparatus and method for controlled excitation of a servomechanism
10/26/2000WO2000063894A2 Dual stage servo controller
10/26/2000WO2000063893A1 Servo processor code evaluation using a virtual disc drive
10/26/2000WO2000063892A1 Inertial latch for mobile disc drive
10/26/2000WO2000063891A2 Actuator latch for disc drive
10/26/2000WO2000063889A1 Asymmetry compensation for magnetoresistive sensor
10/26/2000WO2000063888A2 Active magnetic bearing system for improved servo control
10/26/2000WO2000063753A2 Self tuning model reference controller in a disc drive
10/26/2000WO2000063715A1 Spin valve sensor with specular electron scattering in free layer
10/26/2000WO2000063714A1 GIANT MAGNETORESISTIVE SENSOR WITH A CrMnPt PINNING LAYER AND A NiFeCr SEED LAYER
10/26/2000WO2000063001A1 Biaxially oriented polyester film, process for producing the same, and magnetic recording medium
10/26/2000WO2000028528A3 Subambient pressure slider
10/26/2000DE10014478A1 Signal filtering system for preamplifier has low pass filter section creating feedback signal
10/25/2000EP1047053A2 Chamfered head for enhanced loading onto media
10/25/2000EP1047048A1 Biaxially oriented laminated polyester film for magnetic recording medium
10/25/2000EP1046726A2 Sputtering method for the formation of carbon films
10/25/2000EP1046167A1 Velocity limited loading of read heads onto disk drive media
10/25/2000EP1046049A1 Device comprising a first and a second ferromagnetic layer separated by a non-magnetic spacer layer
10/25/2000EP1046047A1 Magnetoresistive sensor element with selective magnetization direction of the bias layer
10/25/2000EP1046046A1 Magnetoresistive sensor element, especially angular sensor element
10/25/2000CN1271451A Repeated servo runout error compensation in a disc drive
10/25/2000CN1057779C N-sulfamino-polynmer, fiber formed from it, and their magnetic recording medium
10/25/2000CN1057731C Ablative imaging on work piece by using high power source
10/24/2000US6137944 Image recording/reproducing apparatus
10/24/2000US6137753 Runout calibration for disc drive system
10/24/2000US6137663 Magnetic head and method for magnetic recording and playback
10/24/2000US6137662 Magnetoresistive sensor with pinned SAL
10/24/2000US6137661 System for providing a magnetoresistive head having higher efficiency
10/24/2000US6137660 Method for reducing ESD and imaging damage during focused ion beam definition of magnetoresistive head write track width
10/24/2000US6137658 Apparatus for guiding and locking a rotary actuator
10/24/2000US6137657 Suspension flexure with load-unload efficient motion limiting feature
10/24/2000US6137656 Air bearing slider
10/24/2000US6137652 Thin film magnetic head with separated yoke and pole tips
10/24/2000US6137651 Flexured mounting system for friction reduction and friction linearization in linear actuator for disk drive
10/24/2000US6137650 Spindle motor with fluid dynamic bearing having a journal bearing in combination with a conical bearing
10/24/2000US6137648 Magnetic tape and a method for recording and reproducing a plurality of different information signals on and from the magnetic tape
10/24/2000US6137647 Automatic gain control circuit for use in detecting servo pulses for controlling the position of a read head in a hard disk drive
10/24/2000US6137646 Disk apparatus using coincidence detection to generate variable sector pulses
10/24/2000US6137645 Method and apparatus for encoding and decoding digital data blocks with improved error correction
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