Head and Media Challenges for 3 Tb/in $^{\boldsymbol {2}}$ Microwave-Assisted Magnetic Recording

@article{Mallary2014HeadAM,
  title={Head and Media Challenges for 3 Tb/in \$^\{\boldsymbol \{2\}\}\$  Microwave-Assisted Magnetic Recording},
  author={Mike L. Mallary and K. Srinivasan and G. Bertero and Dan Wolf and C. Kaiser and M. Chaplin and C. Elliott and M. Pakala and Q. Leng and F. Liu and Y. Wang and T. Silva and J. Shaw and H. Nembach},
  journal={IEEE Transactions on Magnetics},
  year={2014},
  volume={50},
  pages={1-8}
}
A specific design for microwave assisted magnetic recording (MAMR) at about 3 Tb/in2 (0.47 Tb/cm2 or 4.7 Pb/m2) is discussed in detail to highlight the challenges of MAMR and to contrast its requirements with conventional perpendicular magnetic recording (PMR). In particular, it has been determined that MAMR-optimized media should have: higher damping than today's PMR media upon which ferromagnetic resonance measurements are reported, very low intergranular exchange coupling, and somewhat… Expand
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