Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
03/1998
03/12/1998DE19735987A1 Magnetisches Informationsaufzeichnungsgerät einer Kamera The magnetic information recording device of a camera
03/11/1998EP0828243A2 Optical apparatus for dual-beam laser texturing
03/11/1998EP0828242A1 Servo demodulator and method for synchronous servo demodulation
03/11/1998EP0828241A1 Small size constant torque voice coil motor
03/11/1998EP0827620A1 Flex circuit flexure with integral high compliance gimbal
03/11/1998EP0827619A1 Suspension design for supporting a low mass read/write head
03/11/1998CN1175759A Information recording medium
03/11/1998CN1175755A Method for controlling laser power in texturing process
03/11/1998CN1175754A Daul head azimuth alignment mechanism in autoreverse car audio
03/10/1998US5727144 Failure prediction for disk arrays
03/10/1998US5727113 Apparatus for reproducing image signals
03/10/1998US5726969 Optical recording medium having dual information surfaces
03/10/1998US5726955 Magneto optical recording medium apparatus and method utilizing light pulse magnetic modulation recording
03/10/1998US5726842 Thin-film type magnetic head having an auxiliary magnetic film
03/10/1998US5726841 Thin film magnetic head with trimmed pole tips etched by focused ion beam for undershoot reduction
03/10/1998US5726840 Magnetic head apparatus having multiple recessed magnetic metal films
03/10/1998US5726839 Magnetic head having bypass magnetic path and set magnetic reluctance relationship
03/10/1998US5726838 Magnetic disc apparatus with head having magneto-resistance effect
03/10/1998US5726837 Multilayer magnetoresistance effect-type magnetic head
03/10/1998US5726836 Magnetic recording/reproducing apparatus having double tilting arrangement for dynamic tracking
03/10/1998US5726835 Disk drive actuator coil with reduced outgassing characteristics
03/10/1998US5726834 Actuator for servo actuated tape drive
03/10/1998US5726831 Methods for operating a gas bearing slider
03/10/1998US5726830 Air-bearing electromagnetic head slider having negative pressure generating means
03/10/1998US5726826 Capstanless helical drive system
03/10/1998US5726825 Method for carring out seeks in a hard disc drive to limit the generation of acoustic noise
03/10/1998US5726824 Head positioning in a multi-track magnetic tape recorder/player
03/10/1998US5726823 Method of detecting positioning of a magnetic head, and a magnetic disk device
03/10/1998US5726821 Programmable preamplifier unit with serial interface for disk data storage device using MR heads
03/10/1998US5726818 Magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data
03/10/1998US5726817 Magnetic recording and reproducing apparatus and cleaning cassette therefor
03/10/1998US5726455 Disk film optical measurement system
03/10/1998US5725963 Film with a spin valve
03/10/1998US5725945 Magnetic recording medium having a fluorinated block polymeric lubricant
03/10/1998US5725943 Polyethylene terephthalate
03/10/1998US5725687 Wear-resistant high permability alloy and method of manufacturing the same and magnetic recording and reproducing head
03/10/1998US5725625 Method of manufacturing a magnetic recording disk using glass substrate
03/10/1998US5725168 Magnetic recording and reproducing apparatus for controlling the tension of a magnetic tape
03/07/1998WO1998038654A1 Oxide magnetic material, ferrite particle, sintered magnet, bonded magnet, magnetic recording medium and motor
03/05/1998WO1998009275A1 Head suspension having reduced torsional vibration
03/05/1998WO1998009274A1 Method and apparatus for magnetic recording using an induced plasma discharge
03/05/1998WO1998008892A1 Aromatic polyamide resin molding, process for preparing the same, and magnetic recording media prepared using the same
03/05/1998WO1998008772A1 Glassy carbon and process for the preparation thereof
03/05/1998DE19735986A1 Track organisation to improve recording density of magnetic hard disc
03/05/1998CA2236178A1 Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefrom
03/04/1998EP0827221A2 Methods and compositions for optimizing interfacial properties of magnetoresistive sensors
03/04/1998EP0827220A2 Methods and compositions for optimizing interfacial properties of transducers used in data storage devices
03/04/1998EP0827143A2 Magneto-optical recording/reproducing device
03/04/1998EP0827137A1 Coating type magnetic recording medium having a multilayer structure
03/04/1998EP0827136A1 Magnetic recording medium and a manufacturing method thereof as well as a photo-printing apparatus using such a magnetic recording medium
03/04/1998EP0827135A1 Magnetic recording medium and cleaning tape
03/04/1998EP0827101A2 Magnetic card reader
03/04/1998EP0826975A2 Bias-free symmetric dual spin valve giant magnetoresistance transducer
03/04/1998EP0826211A1 Contact interface, system and medium in electromagnetic, read/write, rigid-recording-media environment
03/04/1998EP0826209A1 Electrical grounding system for instruments used in assembling disc drives
03/04/1998EP0777706B1 High purity ferromagnetic iron oxide pigments
03/04/1998CN1175317A Partially etched protective overcoat for a disk drive slider
03/04/1998CN1037636C Digital signal magnetic recording and reproducing apparatus
03/03/1998US5724327 Record carrier having first variations of a first physical parameter corresponding to information recorded thereon and second variations of a second physical parameter relating to recovery of the information
03/03/1998US5724319 Magneto-optical recording apparatus having transient response correction for magnetic head coil currents
03/03/1998US5724215 Rotary transformer arrangement for a magnetic tape system drum assembly
03/03/1998US5724212 Method and apparatus for increasing data density in magnetic data storage disk drives
03/03/1998US5724211 Magnetic head support mechanism, having beam portion curved with internal stress
03/03/1998US5724205 Automatic tracking control device which uses different weightings with a number of incorrectable, correctable, and non-errors
03/03/1998US5724204 Apparatus and method of reproducing synchronization signal in disc storage system
03/03/1998US5724203 Method and apparatus for determining addresses in time along a recording tape
03/03/1998US5724201 Method and apparatus for reducing transition time for a magnetic head to switch from a write made to a read mode by reducing a maximum current value at different rates
03/03/1998US5723978 Photo-inducible magnetic exchange coupling device
03/03/1998US5723212 Magnetic recording medium manufacturing method and manufacturing apparatus and magnetic recording medium
03/03/1998US5723198 Multi-layered magnetic recording medium and magnetic recording system employing the same
03/03/1998US5723193 Information recording disk and recorded information reproducing apparatus
03/03/1998US5723033 Multilayer magnetic recording media with carbon underlayer, laser ablation for carbon removal, zones, patterns and head tracking
03/03/1998US5723032 Magnetic recording medium and manufacturing method thereof
03/03/1998US5722157 Method of making an induction and magnetoresistance type composite magnetic head
03/03/1998US5722156 Method for processing ceramic wafers comprising plural magnetic head forming units
03/03/1998US5722155 Machining guide method for magnetic recording reproduce heads
02/1998
02/26/1998WO1998008217A1 Disc medium substrate and disc device
02/26/1998WO1998008216A1 Laminate for hdd suspension and its manufacture
02/26/1998WO1998008143A1 Method for forming photoresist features having reentrant profiles using a basic agent
02/26/1998DE19730770A1 Sealed sintered body
02/25/1998EP0825786A2 Digital recording and playback unit
02/25/1998EP0825589A1 A precision servo-demodulator
02/25/1998EP0825235A2 Non-magnetic black particles and their use as pigments or fillers
02/25/1998EP0824752A1 Head park mechanism in a data storage device for preventing accidental damage
02/25/1998EP0824751A1 Multichannel magnetic head
02/25/1998EP0824717A1 Process and device for reading out binary information magnetically stored in a transparent magnetic layer
02/25/1998CN1174626A Magnetic head apparatus and recording and/or reproducing apparatus of disk-like recording medium
02/25/1998CN1174625A Disk drive stiction release system
02/25/1998CN1174612A Method and apparatus for applying thin fluid coating stripes
02/25/1998CN1174378A Hard disk duplicating method
02/25/1998CN1174370A 磁记录介质 Magnetic recording media
02/25/1998CN1174369A Magnetic transducer with wear indicator in magnetic data storage system
02/24/1998US5721838 Data storage system having a data storage apparatus connectable to a computer system through an interface
02/24/1998US5721665 Modulated magnet field bulk degaussing system
02/24/1998US5721654 Magnetometric sensor magnetically isolated two regions formed of spin-polarized material and magnetic head using the same
02/24/1998US5721653 Head base for giving an azimuth angle to a magnetic gap of a head for use in a video cassette recorder
02/24/1998US5721651 Thin film magnetic head and manufacturing method of the same
02/24/1998US5721650 Self-loading disc head slider having blunt cross rail
02/24/1998US5721649 Floating type magnetic head slider having air inflow side triangular protrusions
02/24/1998US5721648 Multirate digital control system for use with a system having a linear transfer function, such as a head positioning system in a magnetic disc drive