article · IEEE Transactions on Magnetics · 2009

Write Synchronization in Bit-Patterned Media

Yaw-Shing Tang, Ki-Seok Moon, Hyung Jai Lee

Cited by 23Abstract and details only

Abstract

Writing bit-patterned media has been a challenging problem because it is necessary to synchronize write timing with physical bit-pattern locations on disk. This timing requirement must be addressed not only in disk drives but also in testing environments such as a spin stand. This paper first describes a technique for synchronizing write timing on a spin stand. Testing results show that, with data block length similar to a disk drive sector, the write timing jitter due to synchronization error is much smaller than the magnetic transition jitter. We then discuss the potential timing jitter sources in a disk drive, including disk speed variation, head vibration, and write clock stability. Experimental data show that the head vibration is potentially the most difficult jitter source for the write clock to handle. The possibility and difficulty in applying coding techniques to correct write timing error is also investigated. While it is possible to create codes for this purpose, practical considerations can limit its usefulness.

Cite this paper

APA 7

Tang, Y.-S., Moon, K.-S., & Lee, H. J. (2009). Write Synchronization in Bit-Patterned Media. IEEE Transactions on Magnetics, 45(2), 822–827. https://doi.org/10.1109/tmag.2008.2010642

MLA 9

Tang, Yaw-Shing, et al. “Write Synchronization in Bit-Patterned Media.” IEEE Transactions on Magnetics, vol. 45, no. 2, 2009, pp. 822–27, https://doi.org/10.1109/tmag.2008.2010642.

Chicago

Tang, Yaw-Shing, Ki-Seok Moon, and Hyung Jai Lee. 2009. “Write Synchronization in Bit-Patterned Media.” IEEE Transactions on Magnetics 45 (2): 822–27. https://doi.org/10.1109/tmag.2008.2010642.

Harvard

Tang, Y.-S., Moon, K.-S. and Lee, H.J. (2009) ‘Write Synchronization in Bit-Patterned Media’, IEEE Transactions on Magnetics, 45(2), pp. 822–827. Available at: https://doi.org/10.1109/tmag.2008.2010642.

BibTeX

@article{tang2009write,
  title = {{Write Synchronization in Bit-Patterned Media}},
  author = {Tang, Yaw-Shing and Moon, Ki-Seok and Lee, Hyung Jai},
  journal = {IEEE Transactions on Magnetics},
  volume = {45},
  number = {2},
  pages = {822--827},
  year = {2009},
  doi = {10.1109/tmag.2008.2010642}
}

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