Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
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03/06/2001 | US6197367 Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage |
03/06/2001 | US6197364 Production of electroless Co(P) with designed coercivity |
03/06/2001 | US6196897 Automatic lapping method and a lapping apparatus using the same |
03/06/2001 | US6196047 Method and system to measure torque per unit current as a function of angle in hard disk drive actuators |
03/06/2001 | US6195872 Method of manufacturing a thin film magnetic head |
03/06/2001 | US6195871 Method of manufacturing magnetic head elements |
03/01/2001 | WO2001015165A1 Actuator shock snubber |
03/01/2001 | WO2001015151A1 Near field optical head and method for manufacturing the same |
03/01/2001 | WO2001015147A1 Magnetic recording and reproducing device |
03/01/2001 | WO2001015146A1 Cleaning card |
03/01/2001 | WO2001015145A1 Production method for thin film magnetic head |
03/01/2001 | WO2000051126A9 Disk apparatus |
03/01/2001 | DE10037479A1 Schaltungsanordnung und Verfahren zum Auffrischen von Daten, die mit einer Dichte aufgezeichnet sind, die ausreichend hoch ist, eine thermische Verschlechterung durchzumachen Circuit arrangement and method for refreshing data that are recorded with a density which is sufficiently high to undergo a thermal deterioration |
03/01/2001 | DE10022927A1 Signal processor for detecting recorded data in a magnetic disc, has maximum likelihood decoder that determines likelihood of state transition corresponding to sampled level based on likelihood function |
02/28/2001 | EP1079388A1 Image/voice data conversion device and disk unit using it |
02/28/2001 | EP1079382A1 Magnetic head device and record/playback device |
02/28/2001 | EP1079373A2 Glass-ceramic substrate for an information storage medium and a method for manufacturing the same |
02/28/2001 | EP1078361A1 Storage disk comprising depressions and/or raised features |
02/28/2001 | EP1078360A1 Controlling a media master writing machine to produce curvilinear servo sector patterns |
02/28/2001 | EP1077777A1 Apparatus for differential zone lubrication of magnetic recording media and related methods |
02/28/2001 | EP0807929B1 Optical disk provided with bar code |
02/28/2001 | CN1285948A Highly oriented magnetic thin films, recording media, transducer, devices made therefrom and methods of making |
02/28/2001 | CN1285947A Magnetic recording/reproducing device |
02/28/2001 | CN1285946A Modeling position error nonlinearity to improve servo performance |
02/28/2001 | CN1285585A Method for making magnetic recording medium |
02/28/2001 | CN1062675C Information recording medium, equipment and reader and recording method |
02/28/2001 | CN1062673C Magnetic recording disk for contact recording |
02/28/2001 | CN1062672C Contact recording silder for use in lubricant containing information storage system |
02/28/2001 | CN1062671C Full erase head assembler for video cassette recorder |
02/28/2001 | CN1062670C Granular multilayer magnetoresistive sensor mfg. method |
02/27/2001 | US6195684 Conference aiding system and computer memory product for relating an object to a file on a display screen |
02/27/2001 | US6195512 Camera adapted for films provided with magnetic storage portions |
02/27/2001 | US6195499 Magnetic recording and/or reproducing apparatus |
02/27/2001 | US6195240 Spin valve head with diffusion barrier |
02/27/2001 | US6195239 Magnetoresistance effect film and magnetoresistance effect type head |
02/27/2001 | US6195238 Tape head azimuth adjustment |
02/27/2001 | US6195237 Flexure limiter with snagging feature |
02/27/2001 | US6195236 Magnetic head assembly, having a spring arm configured for removable attachment to a carriage arm |
02/27/2001 | US6195235 Slider with deposited roughened surface structure |
02/27/2001 | US6195234 Magnetic discs with raised features in the clamping area |
02/27/2001 | US6195233 Perpendicular thin-film magnetic head |
02/27/2001 | US6195232 Low-noise toroidal thin film head with solenoidal coil |
02/27/2001 | US6195231 Thin film magnetic data transfer transducer |
02/27/2001 | US6195230 Disk head assembly with multiple read and/or write transducers for improved performance |
02/27/2001 | US6195229 Thin film MR head and method of making wherein pole trim takes place at the wafer level |
02/27/2001 | US6195228 Thin, horizontal-plane hall sensors for read-heads in magnetic recording |
02/27/2001 | US6195227 Integrated 3D limiters for microactuators |
02/27/2001 | US6195222 Disk drive with seek profile selection based on a queued vs. non-queued environment |
02/27/2001 | US6195220 Method and apparatus utilizing field ratioing demodulation techniques for a null-type servo pattern |
02/27/2001 | US6195219 Method and apparatus for improving a thermal response of a magnetoresistive element |
02/27/2001 | US6195218 Disk drive which efficiently stores zone parameter sets for a plurality of disk surfaces |
02/27/2001 | US6195215 Measurement apparatus for use in recording unit provided with control means for controlling write and read parameters |
02/27/2001 | US6195028 Amplifier gain control method using conditional updating |
02/27/2001 | US6194896 Method of controlling magnetic characteristics of magnetoresistive effect element and of magnetic head with the element, magnetic head device with magnetoresistive effect element, and magnetic disk unit with the device |
02/27/2001 | US6194892 Integrated position sensor for a disk drive microacuator |
02/27/2001 | US6194796 Long-stroke voice coil linear actuator |
02/27/2001 | US6194360 Magnetic recording device |
02/27/2001 | US6194058 Multi-layer magnetic recording medium, method and system of manufacture |
02/27/2001 | US6194048 Magnetic recording disk |
02/27/2001 | US6194047 Magnetic recording medium |
02/27/2001 | US6194045 Rigid disc substrate comprising a central hard core substrate with a hard, thermally and mechanically matched overlying smoothing layer and method for making the same |
02/27/2001 | US6194025 Forming lubricant overcoating; immersion in solution, pressurization |
02/27/2001 | US6193590 Abrasive tape for texturing magnetic recording media |
02/27/2001 | US6193584 Apparatus and method of device stripe height control |
02/27/2001 | CA2207076C Methods and apparatus for controlling access to a recording disk |
02/22/2001 | WO2001013387A1 Method for producing a magnetic tunnel contact and magnetic tunnel contact |
02/22/2001 | WO2000063906B1 Method and apparatus for correcting digital asymmetric read signals |
02/22/2001 | WO2000051110A8 Vibration control of piezoelectric microactuator |
02/22/2001 | DE19938215A1 Verfahren zur Herstellung eines magnetischen Tunnelkontakts sowie magnetischer Tunnelkontakt A method of manufacturing a magnetic tunnel junction and a magnetic tunnel junction |
02/21/2001 | EP1076897A1 Magnetic head having a layer structure |
02/21/2001 | CN1285078A Ferromagnetic powder |
02/21/2001 | CN1285071A Underlayer powder for coating-type magnetic recording media and process for producing the same |
02/21/2001 | CN1284710A Method and device for production of magneto-resistive element, production control and valuation software and system |
02/21/2001 | CN1062371C Equalizer circuit of video magnetic tape recorder |
02/21/2001 | CN1062366C Welding structure of magnetic hand and its production method |
02/20/2001 | US6192185 Recording and reproduction of an information signal in a short play and a long play mode |
02/20/2001 | US6192182 Digital information signal recording apparatus and method thereof |
02/20/2001 | US6192013 Disk reproducing apparatus controlling read signal from a disk by using demodulated identifying signal and stored identifying signal in a memory |
02/20/2001 | US6191926 Spin valve magnetoresistive sensor using permanent magnet biased artificial antiferromagnet layer |
02/20/2001 | US6191925 Dual element read with shaped elements |
02/20/2001 | US6191924 Bearing for an actuator of a disc drive |
02/20/2001 | US6191923 Magnetic head slider assembly for magnetic disk recording/reproducing apparatus |
02/20/2001 | US6191919 Magnetic transducer with debris guiding channels having non-vertical sloping walls formed in a tape bearing surface |
02/20/2001 | US6191918 Embedded dual coil planar structure |
02/20/2001 | US6191917 Thin film tape write head for dual frequency operation |
02/20/2001 | US6191916 Thin film magnetic head and method of manufacturing the same |
02/20/2001 | US6191915 Suspension for disc drive that is capable of restraining excessive inclination of a head or occurrence of dimple separation when it is shocked, without enhancing the stiffness of a flexure |
02/20/2001 | US6191913 Motor loading system for a disk drive |
02/20/2001 | US6191912 System and method for formatting disc surfaces |
02/20/2001 | US6191911 Positioning apparatus for hard disk servowriter |
02/20/2001 | US6191910 Rotary head cleaning apparatus and magnetic recording-reproducing apparatus |
02/20/2001 | US6191909 Polling a preamplifier within a disk drive to remotely determine pre-established parametric values |
02/20/2001 | US6191908 Thermal asperity compensating method, data reproduction error compensating method, automatic gain control system and magnetic disk unit |
02/20/2001 | US6191907 Head drum for a magnetic tape recorder |
02/20/2001 | US6191906 Method for estimating sampling phase from synchronously demodulated samples of sinusoidal waveforms |
02/20/2001 | US6191905 Magnetic disc apparatus |
02/20/2001 | US6191904 Data sector timing compensation technique based upon drive eccentricity |
02/20/2001 | US6191902 Magnetic disk apparatus and magnetic disk medium |
02/20/2001 | US6191901 Disk drive which detects head flying height using first and second data patterns with different frequencies |
02/20/2001 | US6191643 Voltage boost circuitry for hard drive write preamplifiers |