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  • Fiber Lasers for Hard Disk Texturing (.pdf)
    In today's modern hard disk drives, a controlled magnetic disk texturing is needed to alleviate the problem of "stiction" which occurs when the disk stops spinning and the super-smooth slider comes into contact with the super-smooth disk. A pulsed fiber laser operating at high pulse repetition rate
  • Magnetic Field Sensors as Speed Monitors
    Magnetic field sensors are generally based on the magneto-resistive or Hall-principle. Compared to optical speed sensors, resolvers and precision potentiometers, magnetic field sensors do not contain movable parts, such as shafts, bearings, code disks or slip rings. An aspect allowing them
  • Low-Field Magnetic Sensing with GMR Sensors
    are gaining considerable interest for use. In one case the object is to locate a buried object from. as magnetic read heads in computer hard disks.5. a distance, in the other to detect the presence or. passage of a vehicle from up close. In both cases the. Spin dependent tunneling (SDT) structures also
  • New Technique For Improving Magnetic Recording
    an archive of past stories) (a reporter's guide to the disease) COLUMBUS, Ohio -- Researchers at Ohio State University have found a way to extend the life of magnetic audio and video tapes and data storage disks. This work may help to solve a problem facing manufacturers of the newest digital media
  • Study of Magnetic Helicity Injection via Plasma Imaging Using a High-Speed Digital Camera
    issue in fusion plasma confinement as well as solar and astrophysical phenomena such as coronal mass ejections and accretion disk dynamics. The images presented in this work are not only beautiful but provide a powerful way to understand the global dynamics of the plasma. Magnetic helicity is a quantity
  • Magnetic Fields Weave Rings Around Stars
    magnetic fields. Sometimes, the surfaces of those "magnetic stars" possess peculiar chemical compositions, namely low amounts of "heavy elements" like iron. Now a team of astronomers analyzing archival information on four stars provides convincing evidence of the link between rings and magnetic fields
  • Using the TC1264 for Single-Ended SCSI Active Termination
    SCSI (Small Computer Interface) is a bi-directional parallel peripheral bus used in computer systems of all sizes. It is used for computer interface with peripherals such as printers, scanners, magnetic disks, and tape drives. Since its inception, the SCSI bus has grown from 8 to 32 bits, and data
  • Study: Edges Of Magnetic Tape Key To Boosting Data Density
    Editors note: A high-resolution (300 DPI, approximately 3 in. x 4 in.) digital photograph of magnetic tape, including a close-up of features on the tape edge, is available to the media at (614) 292-9475 or Previous stories pertaining to Professor Bhushan's research: "Researchers Pioneer Techniques

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