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
06/19/2001US6249392 Head instability detection method and apparatus
06/19/2001US6249200 Combination of magnets for generating a uniform external magnetic field
06/19/2001US6249064 Magneto-striction microactuator
06/19/2001US6248437 Medium with nonmagnetic aluminum-containing hematite particles in undercoat layer, having small light transmittance, smooth surface, high strength, high durability; suppresses deterioration due to corrosion of magnetic particles
06/19/2001US6248416 Recording medium comprising substrate, cobalt or alloy film with specified crystal texture forming magnetic recording layer, underlayer structure having layers with face centered and body centered cubic structures, specified crystal textures
06/19/2001US6248395 Abrading substrate with slurry including diamond and cerium dioxide particles, said diamond mechanically abrading said substrate but not causing chemical-mechanical polishing, said cerium dioxide causing chemical-mechanical polishing
06/14/2001WO2001043130A2 Method and apparatus for improved roll static angle adjustment
06/14/2001WO2001043122A2 Magnetic disc having physical servo patterns with a magnetic carrier, and method of making and using the same
06/14/2001WO2001042540A1 Fabrication of periodic surface structures with nanometer-scale spacings
06/14/2001WO2001042023A1 Ink jet head, method of producing ink jet heads, and printer
06/14/2001WO2000063891B1 Actuator latch for disc drive
06/14/2001US20010003630 Magnetic recording medium
06/14/2001US20010003616 Magnetic recording medium
06/14/2001US20010003551 Video tape recorder
06/14/2001US20010003518 Recording method, recording apparatus, reproducing method and reporducing apparatus
06/14/2001US20010003499 Magnetic recording apparatus
06/14/2001US20010003497 Control method and control device for a disk storage device
06/13/2001EP1107237A1 Magnetic head
06/13/2001EP1107236A1 Planar magnetic head with magnetoresistive element
06/13/2001EP1105890A1 Magnetoresistive element and the use thereof as storage element in a storage cell array
06/13/2001EP1105874A2 Large capacity, high performance tape cartridge
06/13/2001EP1105547A1 Dual collimator physical-vapor deposition apparatus
06/13/2001CN1299510A Controlling a media master writing machine to produce curvilinear servo sector pattern
06/13/2001CN1299506A Dynamic system control method
06/13/2001CN1299505A Minimizing settling time in a disc drive servo system
06/13/2001CN1299128A Technology for assembling wireless elastic holder of magnetic head with elastic arm
06/13/2001CN1067170C Arrangement for obtg. recorded tape-like magnetic record carriers, record carrier obtd. by means of arrangement and reproducing device for producing record carrier
06/13/2001CN1067018C Resin laminates and process for prodn. thereof
06/12/2001US6246830 Apparatus for recording and reproducing video and audio signals in either analog or digital form
06/12/2001US6246828 Recording and reproducing device for multiple-speed reproduction
06/12/2001US6246639 Magnetic head holding apparatus for recording a magneto-optical disc
06/12/2001US6246590 Substrate junction element
06/12/2001US6246553 Shielded magnetoresistive head with charge clamp
06/12/2001US6246552 Read/write head including displacement generating means that elongates and contracts by inverse piezoelectric effect of electrostrictive effect
06/12/2001US6246551 Overscan helical scan head for non-tracking tape subsystems reading at up to 1X speed and methods for simulation of same
06/12/2001US6246550 Head drum for recording and reproducing apparatus
06/12/2001US6246549 Method and apparatus for reducing the coupling of the reaction force from the head actuator into the track follow servo loop of a media drive
06/12/2001US6246548 Mechanically formed standoffs in a circuit interconnect
06/12/2001US6246547 Low profile flexure and slider-flexure assembly
06/12/2001US6246546 Coined partial etched dimple in a head suspension and method of manufacture
06/12/2001US6246545 Head slider with asymmetric air rails
06/12/2001US6246544 Magnetic disk drive
06/12/2001US6246543 Textured data storage disk having a brittle nonmetallic substrate
06/12/2001US6246541 Thin film magnetic head with reduced magnetic gap by incorporating coil conductors with convex surfaces
06/12/2001US6246538 Magnetic disk drive with a floating head slider having projections arranged to float at a greater distance from magnetic disk than slider trailing end
06/12/2001US6246536 Notch filtering as used in a disc drive servo
06/12/2001US6246535 Optical apparatus for tracking a magnetic tape
06/12/2001US6246534 Hard disk drive with lube on demand actuators
06/12/2001US6246533 Programmable write driver circuit for writing information to a magnetic storage media
06/12/2001US6246421 Apparatus and method for parallel rendering of image pixels
06/12/2001US6246269 Programmable damping for write circuits
06/12/2001US6245450 Multilayer exchange coupling films
06/12/2001US6245432 Circuit substrate, circuit-formed suspension substrate, and production methods therefor
06/12/2001US6245417 Multilayer protective overcoatings
06/12/2001US6245411 High rigidity glass-ceramic substrate for a magnetic information storage medium
06/12/2001US6244216 Sheet for pet excretion
06/12/2001US6243939 Fabricating narrow track width write heads comprising poles made of laminated material using high-volume ion beam etching gap dielectric materials such as nickel copper alloys; increases density in magnetic disks, no corrosion
06/07/2001WO2001041452A2 System and method for identifying inconsistencies in duplicate digital videos
06/07/2001WO2001041214A1 Extraordinary magnetoresistance at room temperature in inhomogeneous narrow-gap semiconductors
06/07/2001WO2001041142A1 Speed disk
06/07/2001WO2001041141A2 Disc head slider having recessed, trenched rails for reduced stiction
06/07/2001WO2001041136A1 Tolerance ring with low consistent installation force profile
06/07/2001WO2001041135A1 Shock limiting suspension for a disc drive
06/07/2001WO2001041134A1 Production method of head unit
06/07/2001WO2001041133A1 Protective film for minimization of shield and pole tip recession in thin film shielded read heads and write heads
06/07/2001WO2001041132A2 Fly height control over patterned media
06/07/2001WO2001040869A2 Mask design and method for controlled profile fabrication
06/07/2001US20010003023 Composed of an antiferromagnetic layer, a pinned magnetic layer, and a nonmagnetic conductive layer; detection sensitivity of external magnetic fields is increased, and shunt loss of sensing current is reduced
06/07/2001US20010003022 Includes insulating layer between electrode layers on a multilayer film in contact with the sides of the insulating layer, so electrodes can be kept thick even at front end faces and sensing current can flow at constant level
06/07/2001US20010002869 A magnetoresistive element including a silicon and/or a diffusion control layer
06/07/2001US20010002867 Digital signal recording apparatus, and related method
06/07/2001DE10050927A1 Storage device e.g. magnetic disk drive, calculates control quantity for actuator based on its back-emf and stored parameters to allow speed control during loading or unloading
06/06/2001CN1298528A Security element to prevent counterfeiting of value documents
06/06/2001CN1066856C Method and apparatus for monitoring and status labeling disk carriers
06/06/2001CN1066838C Rotary magnetic head apparatus
06/06/2001CN1066750C Aromatic polyamide and/or aromatic polyimide film and magnetic recording medium produced therewith
06/05/2001US6243847 Parity insertion with precoder feedback in a PRML read channel
06/05/2001US6243348 Very-high-density memory device utilizing a scintillating data-storage medium
06/05/2001US6243336 Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal and focus capture method for use in same
06/05/2001US6243330 Medium, apparatus, and method related to encryption resultant information
06/05/2001US6243288 Giant magnetoresistive sensor, thin-film read/write head and magnetic recording apparatus using the sensor
06/05/2001US6243241 Spin valve magneto-resistance effect head and a magnetic storage apparatus using the same
06/05/2001US6243240 Non-contact type transmission device and rotary magnetic head unit having the non-contact type transmission device
06/05/2001US6243239 Strain relief for an actuator coil
06/05/2001US6243238 Shock-resistant recording/reproducing device
06/05/2001US6243236 Magnetic disk apparatus
06/05/2001US6243235 Transducer suspension system with limiter
06/05/2001US6243234 Disk drive including slider with contact edge and recessed read transducer
06/05/2001US6243233 Magnetic head slider and magnetic disk apparatus having the magnetic head slider
06/05/2001US6243232 Magnetic head
06/05/2001US6243225 Adaptive filter for redundant sensor sampled magnetic tape drive control system
06/05/2001US6243224 Asynchronous digital demodulator and method for a null-type servo pattern
06/05/2001US6243223 Disk drive with servo burst phasing for improved linearity and off-track performance with a wide reading transducer
06/05/2001US6243222 Load/unload method for sliders in a high speed disk drive
06/05/2001US6243221 Storage device for reliably maintaining data in a reproducible state for a long period of time
06/05/2001US6243220 Apparatus for recording and reproducing an audio mode information signal corresponding to an audio mode of a multi-channel audio signal
06/05/2001US6242910 Magnetic head and disk tester with yaw correction
06/05/2001US6242734 Scanning probe microscope assembly and method for making confocal, spectrophotometric, near-field, and scanning probe measurements and associated images
06/05/2001US6242086 High coercivity, low noise magnetic recording medium comprising an intermediate cocrtaox layer
06/05/2001US6242085 Magnetic recording medium and method for producing the same