Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
01/2000
01/06/2000WO2000000977A1 Flying head slider and disk drive
01/06/2000WO2000000976A2 Synchronous digital demodulator with integrated read and servo channels
01/06/2000WO2000000973A2 Recording and reproducing device for multiple-speed reproduction
01/06/2000WO2000000966A2 Improved notch filtering as used in a disc drive servo
01/05/2000EP0969465A1 Apparatus for recording and reproducing information
01/05/2000EP0969451A1 Non-magnetic undercoat layer for magnetic recording medium, magnetic recording medium and non-magnetic particles
01/05/2000EP0969450A1 Magnetic head and method of manufacturing the same
01/05/2000EP0969348A1 Readable indelible mark on storage media
01/05/2000EP0968975A1 Process for producing glass substrate for information recording medium and information recording medium containing glass substrate produced by the process
01/05/2000EP0968974A1 Substrate for information recording medium
01/05/2000EP0870269A4 Method and apparatus for secure data storage and manipulation using magnetic media
01/05/2000EP0868718B1 Ceramic wafers and thin film magnetic heads
01/05/2000CN1240528A Leading edge slider microactuator
01/05/2000CN1240295A Optical disc driving system and the insulator for damping unhoped mechanical force affection
01/05/2000CN1240290A Compact disc system having current monitoring circuit assembly and operation method thereof
01/05/2000CN1240286A Method for detecting magnetic memory thermal unflatness and circuit thereof
01/05/2000CN1048110C Process for producing magnetic metal particles
01/05/2000CN1048107C Circuit of command of modulation of magnetic field or enregistering of magnet-optical
01/04/2000US6011931 Apparatus and method for preventing magnetic recording errors in an advanced photo system camera
01/04/2000US6011899 Packet data system recording time stamps and packet data on tracks formed on a storage medium in synchronism with changes in time stamp values
01/04/2000US6011896 Method of recording various different video signals onto magnetic tape
01/04/2000US6011677 Personal computer data storage card and adapter and method for transferring information between the data storage card and personal computers
01/04/2000US6011674 Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions
01/04/2000US6011672 Magnetic disk drive having an improved outer stopper mechanism
01/04/2000US6011671 Head gimbal assembly for limiting dimple separation for a data storage device
01/04/2000US6011670 Disk drive with integrated presassembled actuator and header assembly and spin motor assembly
01/04/2000US6011668 Method and apparatus for gain calibration in a disk drive servo control system and disk drive recording apparatus with gain calibration function
01/04/2000US6011665 Helical scan type information recording device
01/04/2000US6011664 Techniques for ultrahigh density writing with a probe on erasable magnetic media
01/04/2000US6011618 Method and apparatus of surface inspection of a disk
01/04/2000US6011418 Method and apparatus for trimming a signal
01/04/2000US6011415 Shock sensor circuitry and method for amplifying an input signal including leakage currents
01/04/2000US6011239 Laser apparatus and method adjusting the gram load, static attitude and flying height in a head suspension assembly
01/04/2000US6010795 Multilayer
01/04/2000US6010781 Magnetoresistance effect element, magnetoresistance effect type head and magnetic recording/reproducing apparatus
01/04/2000US6010773 Multilayer; inorganic powder in polyurethane binder
01/04/2000US6010765 Aromatic polyamide film
01/04/2000US6010755 Method and apparatus for forming thin films using dual ECR plasma generators
01/04/2000US6010753 Applying particle beams to form recesses
01/04/2000US6010745 Method for manufacturing a combination read/write thin film magnetic head
01/04/2000US6010601 Method of making magnetic disk with boron carbide overcoat layer and adhesion layer
01/04/2000US6010247 Bearing device
12/1999
12/30/1999DE19821931A1 Einrichtung und Verfahren zum Aufzeichnen binärer Informationen auf einer Magnetspeicherkarte unter Verwendung einer DMA-Einheit Apparatus and method for recording information on a magnetic binary memory card using a DMA unit
12/29/1999WO1999067828A1 Magnetic tunnel device, method of manufacture thereof, and magnetic head
12/29/1999WO1999067777A1 Method for producing a magnetic recording/reading head and application in a matrix head
12/29/1999WO1999044201A8 Device for write compensation in magnetic-media recording
12/29/1999EP0967810A2 Video tape recorder playback circuit
12/29/1999EP0967603A2 Digital audio recording medium and reproducing apparatus thereof
12/29/1999EP0967602A1 A temperature/voltage compensation circuit
12/29/1999EP0967597A1 Magnetic head carriage and actuator assembly
12/29/1999EP0967596A1 Carriage and actuator assembly
12/29/1999EP0967595A2 Head drum assembly for tape recorder
12/29/1999EP0966738A1 A flying head positioner with fine positioning
12/29/1999EP0966737A1 Corrosion protection of aluminum and aluminum alloys using emeraldine base polyaniline
12/29/1999EP0868716A4 Method for recovering data from disk with magneto-resistive head in presence of thermal asperities
12/29/1999EP0577766B1 Apparatus and method for high throughput sputtering
12/29/1999CN2356399Y Direct current erasing head
12/29/1999CN1239801A Device for anplifying and converting current signals into voltage signals
12/28/1999US6009549 Disk storage system employing error detection and correction of channel coded data, interpolated timing recovery, and retroactive/split-segment symbol synchronization
12/28/1999US6009537 Disk wear prevention by relocating data in response to a head slide count
12/28/1999US6009534 Fractional phase interpolation of ring oscillator for high resolution pre-compensation
12/28/1999US6009235 Digital signal recording/reproducing apparatus
12/28/1999US6009227 HDTV digital recorder with compressed image data inserted in a video signal that corresponds to a video interface standard
12/28/1999US6009063 Universal portable minidisk drive system
12/28/1999US6009054 Information recording medium and tracking error signal detection apparatus and magnetic recording apparatus and method of adjusting the magnetic recording apparatus
12/28/1999US6009052 Method and circuit for controlling head position
12/28/1999US6008979 Electrical grounding system for instruments used in assembling disc drives
12/28/1999US6008969 Planar recording head having formed yokes
12/28/1999US6008968 Slider having composite welding studs and production process
12/28/1999US6008967 Hybrid type magnetic head slider having a thin film coil
12/28/1999US6008966 Desiccant housing for a disc drive
12/28/1999US6008962 Method and apparatus for providing read and write skew offset information for a magneto-resistive head
12/28/1999US6008961 Recording method of a helical scan system for recording data to a tape-shaped recording medium
12/28/1999US6008960 Split table generator and method for format data compression in disk drives
12/28/1999US6008719 Electrical control device with crosstalk correction, and application thereof to magnetic write/read heads
12/28/1999US6008640 Detection and measurement of head disc interference using read back signal (without acoustic emission sensor or laser doppler vibrometer)
12/28/1999US6007924 Having deposits of an interlayer between the first and second magnetic recording layers; reduced noise
12/28/1999US6007896 Surfaces having optimized skewness and kurtosis parameters for reduced static and kinetic friction
12/28/1999US6007874 Preparing first, second, and third fluids such that first solute is incompatible with second and third solutes and such that first fluid minimizes strikethrough of at least one of second and third fluids to a slide surface; flowing, coating
12/28/1999US6007731 Soft adjacent layer (SAL) magnetoresistive (MR) sensor element with electrically insulated soft adjacent layer (SAL)
12/28/1999US6007643 Forming an antiferromagnetic layer of palladium, manganese and platium on a soft magnetic layer on a nonmagnetic layer; heating at a low temperature; corrosion resistance; accuracy
12/28/1999US6007623 Method for making horizontal magnetic recording media having grains of chemically-ordered FePt or CoPt
12/28/1999US6006614 Apparatus and method for improving dynamic characteristics of a fine-positioning mechanism in a magnetic head/disk tester
12/23/1999WO1999066501A1 Disc drive having charge feedback driven microactuator
12/23/1999WO1999066500A1 Low inductance flex-to-pcb spring connector for disc drive
12/23/1999WO1999066499A1 Flex support and seal apparatus for a disc drive
12/23/1999WO1999066498A1 High stability spin stand platform
12/23/1999DE19914484A1 Disk drive for computer and data processing system
12/23/1999DE19900433A1 Method of detecting the thermal unevenness of a magnetic storage arrangement enables detection on basis of threshold level corresp. to characteristic of each magnetic resistance element
12/23/1999DE19827574A1 Ceramic passive electronic component useful as a multilayer capacitor, actuator, coil or ferrite ceramic for a video head
12/23/1999DE19826679A1 Data storage medium, especially audio recording medium or plastic card, production process
12/23/1999DE19826199A1 Memory chip developed to have a definite structure
12/22/1999EP0965989A1 Calibrating write compensation in a data storage device
12/22/1999EP0965982A1 Device for amplifying and converting current signals into voltage signals
12/22/1999EP0965980A1 Device for amplifying and converting current signals into voltage signals
12/22/1999EP0965851A2 Magneto-Impedance sensor
12/22/1999EP0965125A1 Reproduction and/or recording device for optical recording media having a unit for adjusting the inclination of a bearing
12/22/1999EP0759202A4 Shaped spin valve type magnetoresistive transducer and method for fabricating the same incorporating domain stabilization technique
12/22/1999CN2355406Y Pickup cleaner for disc player
12/22/1999CN1239578A Magnet powder, sintered magnet, method of mfg. these materials, bonded magnet, motor, and magnetic recording medium