Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/2000
08/22/2000US6105238 Method and structure for defining track width on a recording head
08/22/2000US6105237 Method of making spin value read head with low moment, high coercivity pinning layer
08/22/2000CA2006715C Audio/video recorder/transceiver
08/17/2000WO2000048210A1 Magnetic recording medium, and magnetic powder and method for preparing the same
08/17/2000WO2000048174A1 Magnetic according apparatus
08/17/2000WO2000048173A1 Method for controlling bias current for magnetoresistive head, fixed magnetic recording device, and magnetic disc therefor
08/17/2000WO2000048172A2 Data storage media
08/17/2000WO2000016332A9 Concentric spacing of virtual data tracks using run-out compensation
08/17/2000DE19963688A1 Numerierungsstrategie für Servobereiche von Computer-Plattenlaufwerken Numerierungsstrategie for servo areas of computer disk drives
08/17/2000DE19904951A1 Soft magnetic iron-nickel alloy for relay, magnetic valve, magnet, motor and sensor parts, magnetic heads and screens has silicon and/or niobium additions and can be produced by conventional steel making technology
08/16/2000EP1028423A1 An optical disk, an optical 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 manufactoring an optical disk
08/16/2000EP1028422A1 An optical disk, an optical disk reproduction apparatus
08/16/2000EP1027651A1 Apparatus and method for providing robust error recovery for errors that occur in a lossy transmission environment
08/16/2000EP0931311A4 Method and apparatus for precisely dimensioning pole tips of a magnetic transducing head structure
08/16/2000EP0804828A4 D.c. brushless motor with minimized net radial forces and low cogging torque
08/16/2000CN1263628A Magnetic tape recording/reproducing device
08/16/2000CN1263622A A magnetic recording medium
08/16/2000CN1263551A Lubricant composition, magnetic recording medium, and process for producing magnetic recording medium
08/16/2000CN1263346A Flexible printed circuit board mounting structure and recording reproducing device adopting said structure
08/16/2000CN1263334A Data recording device and magnetic head component
08/15/2000US6104862 Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing
08/15/2000US6104765 Asymmetric channel data detection compensation
08/15/2000US6104675 Method and apparatus for reading and writing magneto-optical media
08/15/2000US6104581 Dual coil rotary actuator
08/15/2000US6104580 Cassette adaptor
08/15/2000US6104579 Magnetic disk head having data zone and control signal zones which generate different lifts when flown over by a head slider
08/15/2000US6104578 Magnetic disk and magnetic disk apparatus having an annular start-stop area with a radial downslope
08/15/2000US6104576 Inductive head with reduced height insulation stack due to partial coverage zero throat height defining insulation layer
08/15/2000US6104575 Planar thin-film magnetic head and manufacturing method therefor
08/15/2000US6104574 Magnetic head with a magnetic pole sandwiched between conductive materials
08/15/2000US6104573 Integral lift wing for a disk drive actuator
08/15/2000US6104572 Suspension having reduced torsional mode gain and sensitivity
08/15/2000US6104571 Head device having an improved air bearing surface to attenuate a turbulent air flow
08/15/2000US6104568 Servo-burst gray code pattern
08/15/2000US6104567 Recording and reproducing apparatus including a tracking apparatus with a steady speed deviation circuit
08/15/2000US6104563 Bias modulated MR head used to minimize or eliminate thermal signals
08/15/2000US6104562 Multiple element transducer for magnetic recording
08/15/2000US6104560 Method and apparatus for data reproducing in disk storage system
08/15/2000US6104559 Head position detecting method and disk device
08/15/2000US6104558 System and method of encoding an index mark into a servo address
08/15/2000US6104557 Magnetic disk reproduction with offset compensation for thermal asperity
08/15/2000US6104556 Wide write disc certification process, apparatus and article of manufacture
08/15/2000US6104555 Method and device for duplicating an initial program of a hard disk drive
08/15/2000US6104331 Reproduced signal processing method, reproduced signal processing circuit, and a magnetic storage apparatus
08/15/2000US6104275 Magnetoresistive element
08/15/2000US6104199 Magnetic-head short-circuit detector
08/15/2000US6104189 Magnetoresistive sensor having at least one layer with a pinned magnetization direction
08/15/2000US6104048 Electrostatic discharge protection for magneto-resistive heads
08/15/2000US6103990 Laser texturing system providing even heating of textured spots on a rotating disk
08/15/2000US6103677 Lubricant and magnetic recording medium comprising the same
08/15/2000US6103406 Magnetic tunnel device
08/15/2000US6103404 Forming a layer of nickel-niobium on a substrate which has a metallic surface, laser texturing the layer of nickel-niobium alloy, depositing a magnetic layer over the alloy film; magnetic disk having sombrero shaped texture features
08/15/2000US6103367 Coating of metal substrate for magnetic recording medium
08/15/2000US6103365 Having an optical servo track
08/15/2000US6103340 Magnetic recording medium
08/15/2000US6103339 Light texture process of fabricating a magnetic recording media
08/15/2000US6103300 Texturing the metal substrate surface; dipping in an aqueous solution of either a carboxylic acid and/or l-ascorbic acid and exhibiting a ph of 5.0 or less to clean away dust and powder; depositing a base layer and a magnetic layer
08/15/2000US6103136 Method for forming a soft adjacent layer (SAL) magnetoresistive (MR) sensor element with transversely magnetically biased soft adjacent layer (SAL)
08/15/2000US6101972 Plasma processing system and method
08/10/2000WO2000047023A1 Method and apparatus for deposition of diamond-like carbon coatings from a hall-current ion source
08/10/2000WO2000011670A9 Heated head for data storage systems
08/09/2000EP1026684A1 Method of writing tracking servo signal pattern for magnetic disk device
08/09/2000EP1026667A1 Magnetic tape
08/09/2000EP1026666A1 Magnetic tape
08/09/2000EP1026665A1 Magnetic tape
08/09/2000EP1026664A2 Magnetic recording/reproducing apparatus
08/09/2000EP1025538A1 Apparatus and method for recovery of data in a lossy transmission environment
08/09/2000EP0734612B1 Regulated inverting power supply
08/09/2000CN1262810A Stepping motor control device and optical head drive device
08/09/2000CN1262769A Device for write compensation in magnetic-media recording
08/09/2000CN1262766A Method for creating magnetically permeable film
08/09/2000CN1262765A Magnetic recording medium comprising multilayered carbon-containing protective overcoats
08/09/2000CN1262764A Data stream recording/reproducing apparatus, recording/reproducing method, and recording medium
08/09/2000CN1262763A Method and apparatus for magngetic recording
08/09/2000CN1262505A Method and equipment for testing combined magnetic head
08/09/2000CN1262504A Magnetic head, its manufacturing method and magnetic disc equipment
08/09/2000CN1262503A Method for manufacturing thin-film magnetic head and manufacturing device thereof
08/08/2000US6101619 Method for improving access performance on track with re-allocation sector in a hard disk drive
08/08/2000US6101575 Tape drive data buffering
08/08/2000US6101381 Telecommunication system, radio base station thereof, and portable telecommunication terminal thereof
08/08/2000US6101229 Data synchronization method and circuit using a timeout counter
08/08/2000US6101227 Detector and method for detecting defects in the magnetic media of a mass storage system
08/08/2000US6101164 High density recording by a conductive probe contact with phase change recording layer
08/08/2000US6101159 Optical data recording method, and data recording medium
08/08/2000US6101072 Yoke type or flux guide type magnetoresistive head in which the yoke or flux guide is provided to the magnetic resistive element via an interposed soft magnetic layer
08/08/2000US6101071 MR film with upper and lower magnetic layers with resistivity greater than that of MR film magnetic layers
08/08/2000US6101069 Magnetic head cleaning film strip and method of making same
08/08/2000US6101068 MR composite-type thin-film magnetic head having an upper pole with a high saturation magnetic flux density and an intermediate pole with a high resistivity
08/08/2000US6101067 Thin film magnetic head with a particularly shaped magnetic pole piece and spaced relative to an MR element
08/08/2000US6101066 Magnetic head, magnetic recording/reproducing apparatus
08/08/2000US6101065 Disk drive with seek profile selection based on read/write operation
08/08/2000US6101064 Methods and apparatus for efficiently controlling a read/write head in a computer disk drive
08/08/2000US6101063 Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range
08/08/2000US6101062 Method and apparatus for unloading head from disk before a shock to a disk drive system
08/08/2000US6101061 Methods and apparatus for calibration of a rotating scanner to a plurality of data track groups recorded on a tape
08/08/2000US6101059 Synchronized read/write heads for double sided tape recording
08/08/2000US6101058 Method of implementing a linear discrete-time state-space servo control system on a fixed-point digital signal processor in a disc drive
08/08/2000US6101056 Electronic magnetoresistive voltage biasing using a circuit and current mirrors
08/08/2000US6101055 Trigger pattern detection method and apparatus
08/08/2000US6101054 Apparatus for compensating thermal asperity in the data channel of a disk storage system