Laser Heating-Induced Degradation of Ultrathin Media Carbon Overcoat for Heat-Assisted Magnetic Recording

@article{Ma2016LaserHD,
  title={Laser Heating-Induced Degradation of Ultrathin Media Carbon Overcoat for Heat-Assisted Magnetic Recording},
  author={Yansheng Ma and Rong Ji and Yijun Man and Maziar Shakerzadeh and Rongyan Zheng and H. L. Seet and Jiangfeng Hu},
  journal={IEEE Transactions on Magnetics},
  year={2016},
  volume={52},
  pages={1-6}
}
Heat-assisted magnetic recording (HAMR) is a technique for overcoming the superparamagnetic limit and enabling large increases in the storage density of hard disk drives. A tiny area of the magnetic recording media has to be heated up to a high temperature with a laser to lower the coercivity temporarily before information can be written on the area. The possible degradation of the ultrathin media carbon overcoat induced by the laser heating is a concern. In this paper, the laser heating… CONTINUE READING

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