| 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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| 04/11/2000 | US6049442 Multiply-written servo burst patterns for minimizing position error in servo disk drives |
| 04/11/2000 | US6049441 Method and apparatus for real-time filtering of a position error signal for a disk drive servo system |
| 04/11/2000 | US6049440 Self written read/write track servo parameter for spindle RRO compensation |
| 04/11/2000 | US6049439 Data error recovery using reduced speed |
| 04/11/2000 | US6049438 Method and apparatus for encoding digital servo information in a servo burst |
| 04/11/2000 | US6049437 Apparatus for providing new servo information on a disk without entirely erasing old servo information |
| 04/11/2000 | US6048827 Lubricant of magnetic recording media, magnetic recording media, and a magnetic recording device |
| 04/11/2000 | US6048632 Thin film of doped mercury cadmium telluride film showinglarge zero field offset; tapes, diskettes, drums |
| 04/11/2000 | US6048627 Biaxially oriented polyethylene naphthalate copolymer film |
| 04/11/2000 | US6048626 Containing hydroxyapatite particles 0f specified diameter range; laminate with metallic sheet |
| 04/11/2000 | US6048589 Substrates for magnetic discs, magnetic discs and process for producing magnetic discs |
| 04/11/2000 | US6048466 Strengthening a surface by alkaline ion exchange reaction by selectively removing alkaline metal on the surface by cleaning the surface by using an activated ionic water produced by electric polarization |
| 04/11/2000 | US6048412 Spindle-shaped goethite particles, spindle-shaped hematite particles and spindle-shaped magnetic iron based alloy particles |
| 04/11/2000 | US6048255 Pulsed laser surface treatments for magnetic recording media |
| 04/11/2000 | US6047462 Method of making a combined type thin film magnetic head |
| 04/06/2000 | WO2000019427A1 Extending actuator range through magnetic flux reversal detection |
| 04/06/2000 | WO2000019422A1 Improved method of tape attachment to a tape cartridge reel |
| 04/06/2000 | WO2000019419A1 Polishing tape used in making magnetic recording medium |
| 04/06/2000 | WO2000019418A1 Cleaning card for magnetic track and chip card read/write devices and method for producing said cleaning card |
| 04/06/2000 | WO2000019417A1 Actuator assembly debris reduction |
| 04/06/2000 | WO2000019226A1 Quad-layer gmr sandwich |
| 04/06/2000 | WO2000018564A1 Highly size-stabilized polymer film and magnetic recording medium using the film |
| 04/06/2000 | DE19947366A1 Video tape recorder has pivoted mechanism with screw for adjusting distance tape moves from cylinder head to control head |
| 04/05/2000 | EP0991175A1 High-performance integrated microactuator, particularly for a hard disc read/write transducer |
| 04/05/2000 | EP0991087A2 Soft magnetic thin film, soft magnetic multi-layered film, producing method thereof and magnetic device using them |
| 04/05/2000 | EP0991064A2 Rotary head |
| 04/05/2000 | EP0991057A1 Biaxially oriented polyester film |
| 04/05/2000 | EP0991055A1 Magnetic head device and disc drive device |
| 04/05/2000 | EP0628196B1 Data recording system having unique end-of-recording and start-of-recording format indicators |
| 04/05/2000 | CN2372760Y Plane recording-playback system |
| 04/05/2000 | CN1249840A Tape servo system and method, write/read heads, and servo track configurations |
| 04/05/2000 | CN1249516A Negative pressure air bearing slider |
| 04/05/2000 | CN1249514A Data signal magnetic record, reproducing method and device, and strip record medium |
| 04/05/2000 | CN1249503A Rotary magnetic head |
| 04/05/2000 | CN1249502A Loading mechanism with matched finger for loading magnetic disc support assembly on magnetic disc |
| 04/05/2000 | CN1051162C Head device of player for tape recorder |
| 04/04/2000 | US6047224 Machining guide for magnetic recording reproduce heads |
| 04/04/2000 | US6046892 Magnetoresistive head with improved underlayer |
| 04/04/2000 | US6046891 Thin film head |
| 04/04/2000 | US6046890 Method for protecting a magnetoresistive head from damage due to electrostatic discharge |
| 04/04/2000 | US6046889 Disk drive having a pivot assembly which defines a knife edge facing in a direction perpendicular to the longitudinal axis of an actuator arm |
| 04/04/2000 | US6046888 Base plate-mounted microactuator for a suspension |
| 04/04/2000 | US6046887 Suspension for disc drive |
| 04/04/2000 | US6046886 Flex circuit head interconnect with insulating spacer |
| 04/04/2000 | US6046885 Base plate suspension assembly in a hard disk drive with step in flange |
| 04/04/2000 | US6046884 Low mass disc drive suspension |
| 04/04/2000 | US6046883 Head suspension having a flexure motion limiter |
| 04/04/2000 | US6046879 Weighted linearization of a position error signal in a disc drive |
| 04/04/2000 | US6046878 Object positioning using discrete sliding mode control with variable parameters |
| 04/04/2000 | US6046877 Protection apparatus and method for hard disk drive unit of a portable computer |
| 04/04/2000 | US6046876 Head signal device with noise immunity function, for use in a disk storage apparatus |
| 04/04/2000 | US6046875 Linear transconductance circuit having a large linear range |
| 04/04/2000 | US6046874 Reproduction apparatus using multiple partial response maximum likelihood detection systems |
| 04/04/2000 | US6046873 Magnetic recording and reproducing apparatus including a viterbi detector having a variable reference amplitude value |
| 04/04/2000 | US6046872 Method and apparatus for recording digital signal |
| 04/04/2000 | US6046871 Magnetic recording head slider with piezoelectric sensor for measuring slider to disc interference levels |
| 04/04/2000 | US6046870 Magnetic disk apparatus having noise detection |
| 04/04/2000 | US6046596 Capacitance probe for magnetic recording head transducer to disc surface spacing measurement |
| 04/04/2000 | US6045931 Depositing a non-magnetic underlayer on a non-magnetic substrate, forming a nucleation layer on underlayer with an interface therebetween and depositing a cobalt-samarium magnetic alloy layer on the nucleation layer |
| 04/04/2000 | US6045925 Encapsulated nanometer magnetic particles |
| 04/04/2000 | US6045901 Magnetic recording medium |
| 04/04/2000 | US6045431 Manufacture of thin-film magnetic heads |
| 03/30/2000 | WO2000017863A1 Magnetoresistive devices, giant magnetoresistive devices and methods for making same |
| 03/30/2000 | WO2000017862A1 Thin film magnetic head with tip sub-magnetic pole and method of manufacturing the same |
| 03/30/2000 | WO2000017861A1 Thin film induction write magnetic head and method of manufacturing the same |
| 03/30/2000 | WO2000017860A1 Thin film magnetic head having end sub-magnetic pole and method of producing the same |
| 03/30/2000 | WO2000017667A1 Magnetoresistive sensor element with selective magnetization direction of the bias layer |
| 03/30/2000 | WO2000017666A1 Magnetoresistive sensor element, especially angular sensor element |
| 03/30/2000 | DE19941113A1 Assembly device for the construction of a hard disk drive uses a guide to vertically align and slide the hard drive base onto the main assembly board, before locking it into position |
| 03/30/2000 | DE19941109A1 Drive for hard disc has magnetic substance fixed at defined point on spool to lie in region of boundary between poles of permanent magnet when head is in parking zone |
| 03/30/2000 | DE19929504A1 Vacuum air bearing slider for data storage device has single air bearing surface, pair of air bearing surfaces on underside of sliding body, air flow passage formed between pair of surfaces |
| 03/30/2000 | CA2345390A1 Magnetoresistive devices, giant magnetoresistive devices and methods for making same |
| 03/29/2000 | EP0989549A1 Method and apparatus for controlling a voice control motor in a hard disk drive |
| 03/29/2000 | EP0989547A2 "Thin-film magnetic head device" |
| 03/29/2000 | EP0989546A2 Magnetic recording method and apparatus for digital signals, magnetic reproducing method and apparatus for digital signals and tape-shaped recording medium |
| 03/29/2000 | EP0989149A1 Polyalkylene naphthalate, composition thereof, film, and processes for producing these |
| 03/29/2000 | EP0988631A1 Laser assisted track width definition and radial control with magnetic recording |
| 03/29/2000 | EP0667615B1 Load/unload apparatus and driving control circuit |
| 03/29/2000 | CN1249039A Magnetic recording head tester |
| 03/28/2000 | US6044334 Method for calculating an amount and determining a position of an eccentric mass of a rotary head apparatus of a fixed shaft type and apparatus for calculating and determining the same |
| 03/28/2000 | US6044045 Magneto-optical head for information reading |
| 03/28/2000 | US6044041 Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member |
| 03/28/2000 | US6043961 Magnetic recording medium and method for producing the same |
| 03/28/2000 | US6043960 Inverted merged MR head with track width defining first pole tip component constructed on a side wall |
| 03/28/2000 | US6043959 Inductive write head formed with flat yoke and merged with magnetoresistive read transducer |
| 03/28/2000 | US6043958 Device for coarse and fine positioning of a first element and a second element relatively to each other |
| 03/28/2000 | US6043957 Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force and drive control method therefor |
| 03/28/2000 | US6043956 Suspension for disk drive |
| 03/28/2000 | US6043955 Three piece suspension with framed gimbal flexure |
| 03/28/2000 | US6043952 Method of positioning a head in a disk drive using groups of servo bursts |
| 03/28/2000 | US6043951 Method, apparatus, and magnetic disk for optimizing off-track position of a magnetoresistive head |
| 03/28/2000 | US6043949 Rotary head cleaning apparatus and method of controlling the same |
| 03/28/2000 | US6043947 Magnetic storage and reproducing system with a low permeability keeper and a self-biased magnetoresitive reproduce head |
| 03/28/2000 | US6043946 Read error recovery utilizing ECC and read channel quality indicators |
| 03/28/2000 | US6043944 Method and apparatus for failsafing and extending range for write precompensation |
| 03/28/2000 | US6043943 Asymmetry correction for a read head |
| 03/28/2000 | US6043942 Selectable write precompensation in a direct access storage device (DASD) |
| 03/28/2000 | US6042939 Magnetic recording medium and method of manufacturing the same |
| 03/28/2000 | US6042938 Magnetic recording medium |
| 03/28/2000 | US6042937 Nonmagnetic layer of titanium oxide particles of specific size and surface area and containing low concentrations of soluble sodium salt and soluble sulfate and with a ph of <8; coated with aluminum or silicon oxides; smoothness; uniform thickness |