Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/1998
10/14/1998CN1195839A Method for adhering member and apparatus for adhering member
10/14/1998CN1195599A Automatic lapping method of thin film element and lapping apparatus using the same
10/14/1998CN1195598A Lapping apparatus
10/14/1998CN1195597A Automatic lapping method and lapping apparatus using the same
10/14/1998CN1195595A Apparatus and method for polishing flat surface using belted polishing pad
10/13/1998US5822491 Track deviation measuring method and track deviation measuring apparatus
10/13/1998US5822425 Methods of transmitting and recording television signals with copy generating restriction information and recording apparatus therefor
10/13/1998US5822211 Laser texturing apparatus with dual laser paths having an independently adjusted parameter
10/13/1998US5822163 Magnetic disk having surface lubrication layers of different thickness
10/13/1998US5822161 Thin film magnetic head
10/13/1998US5822160 Full erase head with guide portion being supported by the tape guide post of VCR
10/13/1998US5822159 Thin-film magnetic head, magnetoresistance effect magnetic head and composite magnetic head
10/13/1998US5822158 Giant magnetoresistance effect device with magnetically sensitive portion of a size large than playback track width
10/13/1998US5822157 Magnetic data recording/reproducing device with voice coil motor having center yoke back yoke with bent portions and permanent magnet arranged to generate magnetic fields
10/13/1998US5822156 Magnetic circuit of a coil motor
10/13/1998US5822154 Magnetic head apparatus with resin portions sandwiching an elastic member to form elastic displacing portions and method of making the same
10/13/1998US5822153 Hard disk drive having contact write and recessed magnetorestive read head
10/13/1998US5822149 Positioning guide mechanism and erroneous insertion detecting and discharging mechanism for a recording and producing apparatus
10/13/1998US5822147 Position control apparatus and method with a digital filter and a phase change filter section in a disk storage device
10/13/1998US5822144 Apparatus and method for adjusting positional sensitivity of disk unit
10/13/1998US5822143 Decision feedback equalization implementation of partial-response signaling in a magnetic recording channel
10/13/1998US5822141 In a magnetic recording unit
10/13/1998US5822139 Method of detecting thermal asperity error of MR head and magnetic disk certifier using the same method
10/13/1998US5821810 Method and apparatus for trim adjustment of variable gain amplifier
10/13/1998US5821746 Apparatus for testing multiple magnetic recording heads
10/13/1998US5821517 Magnetic encoder for reading marks on an associated magnetic track
10/13/1998US5821494 Method of electrical connection between head transducer and suspension by solder wire bumping at slider level and laser reflow
10/13/1998US5820980 Magnetic head
10/13/1998US5820969 Substrate coated with recording layer having surface textured with projections having controlled height and good covering power; computer fixed disks, wear resistance, low recording head glide height
10/13/1998US5820965 Computer disk substrate, the process for making same, and the material made thereof
10/13/1998US5820964 Forming an amine compound containing adhesion enhancing layer over protective layer, which is capable of forming salt with carboxylic terminated perfluoropolyether, repeats adsorption, desorption reversely with terminal carboxy by thermal process
10/13/1998US5820963 Depositing non-ferromagnetic cobalt alloy layer having hexagonal closed packed crystal structure on a substrate and ferromagnetic cobalt alloy layer onto the nonferromagnetic layer
10/13/1998US5820960 Stabilized by a rare earth oxide; high purity, density, minimal porosity; for hard magnetic disks of disk drives; flexure strength
10/13/1998US5820945 Method of applying lubricant to magnetic disc
10/13/1998US5820770 Thin film magnetic head including vias formed in alumina layer and process for making the same
10/13/1998US5820769 Method for making magnetic storage having discrete elements with quantized magnetic moments
10/13/1998US5820446 Apparatus and method for texturing rigid-disk substrates
10/13/1998CA2068329C Digital servo control system for use in disk drives
10/08/1998WO1998044503A1 Digital information signal recording device and method
10/08/1998WO1998044491A1 Magnetic recording medium
10/08/1998WO1998044490A1 Magnetic recording medium
10/08/1998WO1998044489A1 Air-flow actuated latch
10/08/1998WO1998044488A1 Flexure microactuator
10/08/1998WO1998044487A2 Method of manufacturing a magnetic head having a structure of layers
10/08/1998WO1998044486A1 Thermomagnetic recording and reproducing device
10/08/1998WO1998044485A2 Apparatus for and method of recording information signals on a record carrier
10/08/1998WO1998044453A1 Storage medium and manufacture thereof
10/08/1998WO1998044449A1 Cleaning card for magnetic strip and chip card read-write devices, method for the production of said cards
10/08/1998WO1998044359A1 Magnetic field sensor with magnetoresistor
10/08/1998WO1998044166A1 Method of manufacturing multistep substrate
10/08/1998WO1998043746A1 Method for applying a coating onto a moving web
10/08/1998WO1998032130A3 Recording of subcode signals in slant tracks on a record carrier
10/08/1998WO1998029868A3 Laminated plated pole pieces for thin film magnetic transducers
10/08/1998DE19811857A1 Magneto-resistive head for magnetic recording apparatus
10/08/1998CA2256359A1 Storage medium and manufacture thereof
10/07/1998EP0869483A1 Magnetic recording medium
10/07/1998EP0869482A1 Magnetic recording medium
10/07/1998EP0869481A1 Method for producing magnetic recording medium
10/07/1998EP0869480A1 Magnetic recording medium
10/07/1998EP0869479A1 Magnetic recording medium and production method thereof
10/07/1998EP0868724A1 Device for write compensation in magnetic media recording
10/07/1998EP0868719A1 Magnetic recording device
10/07/1998EP0868718A1 Ceramic wafers and thin film magnetic heads
10/07/1998EP0868717A1 Low-inductance thin-film head
10/07/1998EP0868716A1 Method for recovering data from disk with magneto-resistive head in presence of thermal asperities
10/07/1998EP0807279B1 Method and apparatus for applying thin fluid coating stripes
10/07/1998EP0772873B1 Binder system for magnetic medium
10/07/1998EP0772642B1 Strong carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media
10/07/1998CN2293884Y Self-cleaning magnetic tape capable of maintaining magnetic head
10/07/1998CN1195415A Air actuated latching mechanism rotationally resistant to rotational shock force
10/07/1998CN1195316A Aromatic polyamide film, method of manufacturing same and magnetic recording medium using same film
10/07/1998CN1195313A Mold for making disc substrate, process for producing mold and disc substrate
10/07/1998CN1195161A Pronunciation word library
10/07/1998CN1040161C Bypassing circuit for use in audio signal recording reproducing apparatus
10/06/1998USH1752 Single digital signal processor to record digital audio data on a magneto optical disk
10/06/1998US5819297 Method and apparatus for creating reliably duplicatable tape volumes without copying any padding
10/06/1998US5819000 Magnetic recording and playback apparatus
10/06/1998US5818803 Apparatus for driving an information recording medium and a method for driving same
10/06/1998US5818685 CIP GMR sensor coupled to biasing magnet with spacer therebetween
10/06/1998US5818684 Shield type magnetoresistive head arranged for weakening of a galvano-current magnetic field
10/06/1998US5818668 Compact tape drive head positioning system
10/06/1998US5818667 Retaining apparatus for a disk drive actuator assembly electrical flex circuit
10/06/1998US5818665 Rotary actuator arrangement and method of manufacture
10/06/1998US5818663 Magnetic head suspension with gimbal having increased yaw rigidity without increased pitch or roll rigidity
10/06/1998US5818662 Static attitude and stiffness control for an integrated suspension
10/06/1998US5818659 Quadrature servo pattern disk providing asynchronous digital PES
10/06/1998US5818658 Variable pneumatic loader for testing a disk drive head gimbal assembly
10/06/1998US5818656 Circuitry for correction of thermal transients in the analog signal from a magnetoresistive sensor
10/06/1998US5818655 Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit
10/06/1998US5818653 Multiple-values digital signal magnetic recording and reproducing apparatus using a QAM and PSK modulator, pilot signal and a viterbi decoder
10/06/1998US5818323 Magnetoresistive device
10/06/1998US5818211 Current generating circuit for read/write head
10/06/1998US5818180 Method for positioning the heads in a disk drive
10/06/1998US5817931 Glide detect head with predictable asperity contact region
10/06/1998US5817451 Fluorinated particles as lubricants for transparent magnetic recording media
10/06/1998US5817429 Magnetic recording medium
10/06/1998US5816890 Electrical lap guide wiring configuration
10/06/1998US5816506 Nozzle and nozzle processing method
10/06/1998US5815915 Method of processing signal wires
10/06/1998US5815910 Method for manufacturing a magnetic head