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)
11/1999
11/18/1999WO1999058995A1 Disk head tester facility with non-repeatable runout reduction
11/18/1999WO1999058740A1 Thin film forming method and thin film forming apparatus
11/18/1999WO1999058256A1 Low etch alkaline zincate composition and process for zincating aluminum
11/18/1999DE19911460A1 Signal processing apparatus for magnetic head of magnetic disc unit
11/18/1999DE19820980A1 Unit for erasing contents of floppy discs
11/17/1999EP0957484A1 Read while write method in data storage device
11/17/1999EP0957483A1 Apparatus and method for recording binary data on a magnetic card using a DMA unit
11/17/1999EP0957479A2 Digital video cassette recorder
11/17/1999EP0957474A1 Magnetic recording medium
11/17/1999EP0957473A1 Flexible circuit support structure and head carrier
11/17/1999EP0957427A2 Dictation system
11/17/1999EP0956556A1 Randomly laser-textured magnetic recording media
11/17/1999EP0956555A1 Method and device for recording audio, a record carrier and playback device
11/17/1999EP0956554A1 Amplitude detector for signals having a periodical character, recorded on a recording medium, and optical tape recorder comprising such an amplitude detector
11/17/1999EP0956553A2 Recording and reproduction of a first signal with a first bitrate and a second information signal with a second bitrate larger than the first bitrate
11/17/1999CN1235677A Multi-layer magnetic tag
11/17/1999CN1235351A Mask and expoure method thereof
11/17/1999CN1235338A Magnetoresistance effect device, magnetoresistance head method for producing magnetoresistance effect device
11/17/1999CN1235337A Magnetic head and manufacture method thereof
11/17/1999CN1235336A Digital video cassette recorder
11/16/1999US5987391 Method for predicting and improving wear characteristics of laser textured bumps formed on magnetic recording disk
11/16/1999US5987267 Magnetic recording/reproducing apparatus of camera
11/16/1999US5986978 Read/write head and method for magnetic reading and magneto-optical writing on a data storage medium
11/16/1999US5986977 Method for reading magnetic super resolution type magneto-optical recording medium
11/16/1999US5986976 Magnetooptical recording head for a recording apparatus including a laminated core having a plurality of magnetic thin films sandwiching insulating films therebetween
11/16/1999US5986858 Ferromagnetic tunnel-junction magnetic sensor utilizing a barrier layer having a metal layer carrying an oxide film
11/16/1999US5986857 Thin film magnetic head including adhesion enhancing interlayers, and upper and lower gap insulative layers having different hydrogen contents and internal stress states
11/16/1999US5986856 Magnetoresistive sensor with improved stability
11/16/1999US5986855 Head drum assembly having an oilless bearing designed to facilitate its installation within the same
11/16/1999US5986854 Magnetic cassette recorder with reversing and translating magnetic head
11/16/1999US5986853 Transducer suspension system
11/16/1999US5986852 High capacity, high performance low profile disk drive
11/16/1999US5986851 Selective carbon overcoat of the trailing edge of MR sliders
11/16/1999US5986850 Positive pressure optical slider having wide center rail
11/16/1999US5986847 Method and apparatus for providing read and write skew offset information for a magneto-resistive head
11/16/1999US5986846 Methods and apparatus for track centering an arcuate scanner head assembly
11/16/1999US5986845 Apparatus for positioning magnetic head and method of the same
11/16/1999US5986843 Writing and reading high density magnetic tapes
11/16/1999US5986842 Magnetic disk apparatus with circuit capable of identifying individual specification
11/16/1999US5986841 Disc drive having a serial preamplifier interface with broadcast mode addressing
11/16/1999US5986840 Amplifier with capacitive feedback for driving a magneto-resistive head
11/16/1999US5986839 Electronic magnetoresistive sensor biasing using a transducer equivalent circuit and current sources
11/16/1999US5986837 Image signal processing apparatus having an erasing function
11/16/1999US5986836 Magnetic recording method and device
11/16/1999US5986833 Data recording method for recording absolute address data on a tape storage medium
11/16/1999US5986832 Write driver with Schottky diodes to improve switching rate and reliability
11/16/1999US5986831 Waveshaping circuit for shaping an analog waveform having unequal positive and negative peak levels so that the positive and negative peak levels are equal
11/16/1999US5986830 Read/write channel write precompensation system and method using one or more delay clocks
11/16/1999US5986829 Digital recording and reproducing apparatus for high-speed copying of tape
11/16/1999US5986593 Reproducing apparatus, error correcting device and error correcting method
11/16/1999US5986451 Low z-height loader for a head gimbal assembly
11/16/1999US5986426 Adaptive pulse width modulated motor control
11/16/1999US5986362 Magnetic circuit for voice coil motor of flat-coil type
11/16/1999US5985777 Comprising alpha-cristobalite (sio2) and lithium disilicate
11/16/1999US5985471 Ferromagnetic, dielectric and gallium arsenide intermetallic semiconductor layers; irradiating circularly polarized light
11/16/1999US5985423 Cobalt oxide-containing layer; magnetic tapes, wrapping paper, capacitors
11/16/1999US5985410 Sputter textured magnetic recording medium
11/16/1999US5985409 Cleaning video tape magnetic recording medium
11/16/1999US5985408 Thin, high density; electromagnetic; durability, running
11/16/1999US5985403 Sliding durability; fluoro compound and extreme pressure lubricants; wear and friction resistance; computers
11/16/1999US5985402 Magnetic disk and its manufacturing method
11/16/1999US5985163 Partially etched protective overcoat for a disk drive slider
11/16/1999US5985162 Method for forming soft adjacent layer (SAL) magnetoresistive (MR) sensor element with electrically insulated soft adjacent layer (SAL)
11/16/1999US5985105 Sputtering protective overcoat on magnetic layer by: positioning disk so its major surfaces are parallel to x-y plane; impinging particles along z-axis perpendicular to x-y plane, rotating disk around y-axis, spinning in x-y plane
11/16/1999US5985104 Sputter depositing protective layer followed by chemical etching to remove vertical portions of protective layer
11/16/1999US5985077 Reversible thermosensitive recording medium and method of producing the same
11/16/1999US5984619 End effector for unloading disks at a grinding station
11/16/1999US5984104 Protective carrier for magnetic head assembly
11/16/1999US5983485 Dual disc drive actuator assembly fabrication
11/11/1999WO1999057718A1 Coil for magnetic head, magnetic head, and magneto-optical recorder
11/11/1999WO1999057717A1 Coil for magnetic head, magnetic head, and magneto-optical recorder
11/11/1999WO1999057682A1 Security element to prevent counterfeiting of value documents
11/11/1999WO1999056952A1 Biaxially orientated polyester film laminate
11/11/1999DE19820814A1 Diktiersystem Dictation
11/11/1999CA2330540A1 Security element to prevent counterfeiting of value documents
11/10/1999EP0955629A1 Method for manufacturing a hard disk read/write unit, with micrometric actuation
11/10/1999EP0954862A1 Impact features on suspensions for improved damage resiliancy in disk drives
11/10/1999EP0954754A1 Magnetic field sensor and method for making same
11/10/1999EP0954384A1 Method for coating a plurality of fluid layers onto a substrate
11/10/1999EP0954383A1 Method for minimizing waste when coating a fluid with a slide coater
11/10/1999EP0796491B1 Apparatus for compensating for non-linear characteristics of magnetoresistive heads
11/10/1999CN1234838A Sheet-form magnetron sputtering device
11/10/1999CN1234758A Multi-point bending of bars during fabrication of magnetic recording heads
11/10/1999CN1234578A Magnetoresistance head
11/09/1999US5983036 Non-photographic strip having a base layer similar to a photographic filmstrip and a magnetic recording layer
11/09/1999US5982982 Video signal processing apparatus
11/09/1999US5982740 Dry bonded digital versatile disc
11/09/1999US5982738 Optical recording medium having at least wobbled synchronous information shared between tracks
11/09/1999US5982711 Device for reading data from or writing data to magnetic storage media and a method of positioning a tape head relative to the magnetic storage media
11/09/1999US5982591 Multichannel magnetic head with adjacent write gaps in different planes
11/09/1999US5982590 Magnetic recording/reproducing apparatus with tilting head drum for dynamic tracking
11/09/1999US5982589 Head drum assembly for use in a video cassette recorder
11/09/1999US5982587 Mechanical actuator latch subassembly with overcentering spring for a disk drive
11/09/1999US5982586 Compact hard disk drive head positioner latch
11/09/1999US5982585 Rotary electrostatic microactuator with optimum flexure arrangement
11/09/1999US5982584 Integrated lead suspension flexure with serially arranged metal-backed and suspended insulator portions for hygrothermal compensation
11/09/1999US5982583 Slider having thermally applied tensile stress for curvature control and method of applying tensile stress
11/09/1999US5982582 Flying-type magnetic head and having rhombic or cut rhombic lubricating surfaces
11/09/1999US5982579 Magnetic disk apparatus and method and apparatus for assembling magnetic disk apparatus
11/09/1999US5982578 Disk drive housing with recess for circuit panel
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