Correlation of ATI and SNR decay in magnetic recording

IEEE Transactions on Magnetics

Volumn 48, Issue 11, 2012, Pages 3903-3906

  Shi, Zhupei ^a   Zhang, Jane ^a   Yang, Aria ^a   Duan, Shanlin ^a   Johnson, Kenneth ^a  

^a WESTERN DIGITAL CORPORATION   (United States)

Author keywords

Adjacent track interference (ATI); Demagnetization field; Perpendicular magnetic recording (PMR); Signal to noise ratio (SNR) decay; Stray field

Indexed keywords

ADJACENT TRACK INTERFERENCES; DEMAGNETIZATION FIELDS; PERPENDICULAR MAGNETIC RECORDING; SIGNALTONOISE RATIO (SNR); STRAY FIELD;

MAGNETIC RECORDING; SIGNAL TO NOISE RATIO;

DECAY (ORGANIC);

EID: 84867775582     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2012.2200467     Document Type: Article

References (10)

1. R Wood, "The feasibility of magnetic recording at 1 terabit per square inch," IEEE Trans. Magn., vol. 36, no. 1, p. 36, Jan. 2000.
2. W. Jiang et al., "Adjacent-track interference in dual-layer perpendicular recording," IEEE Trans. Magn., vol. 39, no. 4, p. 1891, Jul. 2003.
3. S. Duan, J. He, Z. Shi, and J. Zhang, "System, method, and apparatus for detecting signal-to-noise ratio decay in perpendicular magnetic recording," U.S. Patent 7,173,415 B1, Feb. 6, 2007.
4. D. Weller and A. Moser, "Thermal effect limits in ultrahigh-density magnetic recording," IEEE Trans. Magn., vol. 35, no. 6, pp. 4423-, Nov. 1999.
5. R. Wood, "Exact solution for Stoner-Wohlfarth particle in an applied field and a new approximation for the energy barrier," IEEE Trans. Magn., vol. 45, no. 1, p. 100, Jan. 2009.
6. Y. Hsu et al., "Challenges for perpendicular write heads at high recording density," IEEE Trans. Magn., vol. 43, no. 2, p. 605, Feb. 2007.
7. R. J. M.Veerdonk, X. Wu, and D.Weller, "Determination of switching field distributions for perpendicular recording media," IEEE Trans. Magn., vol. 39, no. 1, p. 590, Jan. 2003.
8. Z. H. Lin, T. Lam, X. Che, and X. Sui, "Full-track profile derivative method for track width measurements of magnetic recording head," IEEE Trans. Magn., vol. 41, no. 10, p. 3067, Oct. 2005.
9. R. Wood, J. Monson, and T. Coughlin, "On the thermal decay of magnetization in the presence of demagnetizing fields and a soft magnetic layer," J. Magn. Magn. Mat., vol. 193, p. 207, 1997.
10. Z. Shi et al., "Effect of perpendicular magnetic recording media nucleation field on thermal stability," J. Appl. Phys., vol. 105, p. 07B720, 2009.