• DocumentCode
    3247540
  • Title

    A runout measurement technology with nanometer resolution for applications in hard disk drives

  • Author

    Huang, J.C. ; Bi, C.

  • Author_Institution
    Data Storage Inst., Singapore, Singapore
  • fYear
    2009
  • fDate
    14-17 July 2009
  • Firstpage
    528
  • Lastpage
    531
  • Abstract
    Hard disk production needs accurate and fast measurement technology to qualify the spindle system produced. This paper presents several new technologies to measure the runout of spindle motor used in hard disk drives. The limitations of these technologies in the precise measurement are analyzed in the paper. The testing results show that, the technology utilizing optical interference is a good approach to realize 1 nano meter accuracy with high measuring speed. The experimental studies on different type micro motor are also presented.
  • Keywords
    disc drives; hard discs; hard disk drives; hard disk production; nanometer resolution; precise measurement; runout measurement; spindle motor; spindle system; Capacitors; Hard disks; Interference; Micromotors; Pattern recognition; Probes; Production systems; Spatial resolution; Velocity measurement; Wavelength measurement; Spindle motor; interference; nanometer; resolution; runout; vision;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Advanced Intelligent Mechatronics, 2009. AIM 2009. IEEE/ASME International Conference on
  • Conference_Location
    Singapore
  • Print_ISBN
    978-1-4244-2852-6
  • Type

    conf

  • DOI
    10.1109/AIM.2009.5229960
  • Filename
    5229960
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3247540