• DocumentCode
    2940663
  • Title

    Two-Dimensional Flying-Height Modulation Mapping At Hdd Drive Level

  • Author

    Shimizu, Y. ; Xu, J.

  • Author_Institution
    Hitachi. Co. Ltd., Odawara
  • fYear
    2006
  • fDate
    8-12 May 2006
  • Firstpage
    422
  • Lastpage
    422
  • Abstract
    A measurement system for flying-height modulation of magnetic heads is proposed, and two-dimensional flying-height modulation mapping is demonstrated at the Hdd drive level. To write the code for flying-height modulation measurement at the same wavelength, the write frequency should be changed according to the track position, and measured voltage contains an error from the frequency response of the measurement system. The frequency response of the measurement system was calibrated, and measurement accuracy was improved.
  • Keywords
    calibration; codes; disc drives; hard discs; magnetic heads; Hdd drive level; calibration; frequency response; magnetic heads; measurement accuracy; track position; two-dimensional flying-height modulation mapping; write frequency; Calibration; Frequency measurement; Frequency response; Magnetic heads; Magnetic modulators; Measurement errors; Position measurement; Signal processing; Voltage; Wavelength measurement;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Magnetics Conference, 2006. INTERMAG 2006. IEEE International
  • Conference_Location
    San Diego, CA
  • Print_ISBN
    1-4244-1479-2
  • Type

    conf

  • DOI
    10.1109/INTMAG.2006.376146
  • Filename
    4261855