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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03/20/2001 | US6204984 Disk apparatus, and recording/reproduction method therefor |
03/20/2001 | US6204983 Apparatus for recording data on magnetic record medium |
03/20/2001 | US6204980 High speed gain stage with DC offset cancellation for servo demodulator circuit |
03/20/2001 | US6204766 Multi-layer magnetic tag |
03/20/2001 | US6204660 Method of varying capacity of head disk drive during manufacturing process by checking head/disk combinations for defects |
03/20/2001 | US6204629 Method and apparatus for accurately measuring a back-emf voltage on an actuator coil |
03/20/2001 | US6204504 Method for improving lubricating surfaces on disks |
03/20/2001 | US6204474 Apparatus and method for laser texturing a landing zone and a data zone of a magnetic recording medium |
03/20/2001 | US6204071 Method of fabrication of striped magnetoresistive (SMR) and dual stripe magnetoresistive (DSMR) heads with anti-parallel exchange configuration |
03/20/2001 | US6203934 Support with magnetic layer of ferromagentic material metal powder and binder |
03/20/2001 | US6203918 Multilayer element with steel support and layers of polyimides |
03/20/2001 | US6203892 Nonmagnetic support of biaxially-oriented polyethylene terephthalate film and magnetic layers formed on the non-magnetic support member and containing ferromagnetic powder |
03/20/2001 | US6203884 Ferromagnetic metal thin film on nonmagnetic layer |
03/20/2001 | US6203883 Polyester laminate film and crosslinking polymer particles |
03/20/2001 | US6203862 Processing systems with dual ion sources |
03/20/2001 | US6203672 Rinsing substrate with rinsing liquid to allow dissolved oxygen to oxidize portions of substrate surface to form oxide islands; sputtering layer of metal atoms onto surface of substrate magnetic disk; sputtering thin films onto surface |
03/20/2001 | US6202289 Manufacturing process of thin film magnetic head sliders |
03/20/2001 | US6202288 Method for manufacturing magnetic head suspension assembly with head IC chip |
03/15/2001 | WO2001018859A1 Magnetic pole fabrication process and device |
03/15/2001 | WO2001018804A1 Disk drive with multiple heads for reduced track access time |
03/15/2001 | WO2001018795A1 Apparatus machining magnetic tape |
03/15/2001 | WO2001018557A1 Method and apparatus for testing disk drive read/write heads |
03/15/2001 | US20010000022 Magnetic recording and reading device |
03/15/2001 | DE10022372A1 Co-Fe-Ni-Magnetfilm mit hoher magnetischer Sättigungsflußdichte, den Film verwendender Dünnfilm-Verbundmagnetkopf und den Kopf verwendende Magnetspeichervorrichtung Co-Fe-Ni-magnetic film having high saturation magnetic flux density, the film used Direction thin film composite magnetic head and the magnetic memory device head used |
03/14/2001 | EP1083562A2 System and method for minimizing write-over encroachment in a disk drive due to radial sinusoidal runout at the fundamental frequency |
03/14/2001 | EP1083561A2 System and method for automated track follow exception monitoring |
03/14/2001 | EP1083551A2 Head support mechanism in magnetic card reader |
03/14/2001 | EP1083550A2 Circuit and method for writing to a memory disk with a boosted voltage |
03/14/2001 | EP1083549A2 Circuit and method for writing to a memory disk |
03/14/2001 | EP1082211A1 Dvd disc with four information layers, and method for making same |
03/14/2001 | EP1002236A4 Magnetic field sensor |
03/14/2001 | CN1287659A Master information medium and method of master information magnetic recording |
03/14/2001 | CN1287356A Magneto-optical head for magneto-optical reading and writing system and producing method for the same magneto-optical head |
03/14/2001 | CN1287348A Magnetic head slide for soft magnetic disc |
03/14/2001 | CN1287040A Buffing attachment |
03/13/2001 | US6201779 MEEPR4 sampled amplitude read channel for disk storage systems |
03/13/2001 | US6201673 System for biasing a synthetic free layer in a magnetoresistance sensor |
03/13/2001 | US6201672 Spin valve sensor having improved interface between pinning layer and pinned layer structure |
03/13/2001 | US6201671 Seed layer for a nickel oxide pinning layer for increasing the magnetoresistance of a spin valve sensor |
03/13/2001 | US6201670 Merged magnetic head that includes a write head with single-sided notched first pole piece |
03/13/2001 | US6201669 Magnetoresistive element and its manufacturing method |
03/13/2001 | US6201668 Gimbal-level piezoelectric microactuator |
03/13/2001 | US6201667 Magnetic disk drive having a relaying flexible printed circuit sheet |
03/13/2001 | US6201666 Disc drive head suspension with single-point contact feature for ramp load/unload |
03/13/2001 | US6201665 Disk drive load ramp for protecting the actuator heads |
03/13/2001 | US6201664 Polymer bumps for trace and shock protection |
03/13/2001 | US6201658 Memory unit having a plurality of heads controlled by a minimum number of connection lines |
03/13/2001 | US6201656 Technique for optimizing MR-bias current |
03/13/2001 | US6201655 Rotational storage device |
03/13/2001 | US6201654 Method and apparatus for recording digital signal |
03/13/2001 | US6201653 By-pass write drivers for high-performance data recording |
03/13/2001 | US6201652 Method and apparatus for reading and writing gray code servo data to magnetic medium using synchronous detection |
03/13/2001 | US6201651 Circuit for reproducing data and apparatus for reading data out of a magnetic disc based on calculated frequency cut off |
03/13/2001 | US6201485 High rate runlength limited codes for 8-bit ECC symbols |
03/13/2001 | US6201465 Magnetoresistive sensor and its manufacturing method |
03/13/2001 | US6201421 Write current driving circuit |
03/13/2001 | US6201322 Brushless spindle DC motor used as an actuator to create radial force |
03/13/2001 | US6201259 Tunneling magnetoresistance element, and magnetic sensor, magnetic head and magnetic memory using the element |
03/13/2001 | US6200641 Variations in density; reducing surface defects |
03/13/2001 | US6200526 Combining a ceramic with a metal can create a composite material that exhibits the properties of a ceramic and a metal. |
03/13/2001 | US6200441 Multiple station vacuum deposition apparatus for texturing a substrate using a scanning beam |
03/13/2001 | US6199267 Method for the production of a magnetic head |
03/13/2001 | CA2262638C Magnetic disk cartridge |
03/13/2001 | CA2262545C Magnetic disk cartridge |
03/08/2001 | WO2001016945A1 Magnetic recording medium and magnetic recording device |
03/08/2001 | WO2001016944A1 Wear durability using high wear-resistant slip pads |
03/08/2001 | WO2001016943A1 Slider for disc storage system |
03/08/2001 | WO2000057403A3 Highly aligned thin film tape head and method of making same |
03/08/2001 | DE10013540A1 Servo recovery procedure for use in magnets optical disk drive, involves detecting search frequency of recovery process and accordingly |
03/07/2001 | EP1081705A2 A phase assisted synchronization detector |
03/07/2001 | EP1081701A1 Multiple channel rewrite system |
03/07/2001 | EP1081687A2 Magnetic recording medium and its manufacturing method |
03/07/2001 | EP1081686A2 Head slider for flexible magnetic disk |
03/07/2001 | EP1080837A2 Polishing apparatus |
03/07/2001 | EP1080344A1 Remote sensor head for laser level measurement devices |
03/07/2001 | EP0746849B1 Magnetic head provided with write elements and read elements |
03/07/2001 | CN1062964C 磁头 Magnetic head |
03/06/2001 | US6198610 Magnetoresistive device and magnetoresistive head |
03/06/2001 | US6198609 CPP Magnetoresistive device with reduced edge effect and method for making same |
03/06/2001 | US6198608 Magnetoresistive (mr) sensor has a read gap that is made of a slow ion milling rate material which allows a blunt end to be formed without overmilling into the read gap |
03/06/2001 | US6198607 Contact planar magnetoresistive head |
03/06/2001 | US6198606 Disc drive actuation system having an injection molded magnetic micro-actuator with metal beam inserts and its method of fabrication |
03/06/2001 | US6198605 Return path geometry to enhance uniformity of force on a linear actuator |
03/06/2001 | US6198604 Method of and apparatus for unlocking an actuator in a disk storage apparatus |
03/06/2001 | US6198603 Device for locking and unlocking a disc drive actuator having locking elements separate from unlocking elements |
03/06/2001 | US6198602 Split ring attachment of a head gimbal assembly to an actuator |
03/06/2001 | US6198601 Thin film magnetic head having non-linear tapered rails |
03/06/2001 | US6198600 Thin film magnetic head and manufacturing method thereof |
03/06/2001 | US6198599 Magnetic head with bonded balls having a capillary mark |
03/06/2001 | US6198597 Thin-film magnetic head having improved magnetic pole structure |
03/06/2001 | US6198591 Multi-task operating system for a disc drive |
03/06/2001 | US6198586 Voice recording/playback apparatus for producing a noise level of a voice output unit in a voice recording mode |
03/06/2001 | US6198585 Digital signal recording apparatus, and related method |
03/06/2001 | US6198584 Disk drive with staggered calibration bursts that are disposably located in data regions and method of using the same for calibrating a read head |
03/06/2001 | US6198583 Magnetic recording control system for disk storage drive |
03/06/2001 | US6198411 Method of determining the first sector on a recording medium |
03/06/2001 | US6198378 Magnetoresisitive sensor and manufacturing method therefor |
03/06/2001 | US6198335 Method and apparatus to drive the coil of a magnetic write head |
03/06/2001 | US6198052 Circuit board with terminal accommodating level differences |
03/06/2001 | US6197439 Exhibit antiferromagnetic coupling of the magnetic layers with coupling strengths useful in device design for magnetic read/write heads, and miniature transformers |