Heat-Assisted Magnetic Recording

Due to the limits of conventional perpendicular magnetic recording, it appears that alternative technologies are needed at areal densities >500 Gb/in 2 . Heat-assisted magnetic recording (HAMR) is a promising approach to extend areal densities to 1 Tb/in 2 and beyond. All of the unique components...

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Veröffentlicht in:	IEEE transactions on magnetics 2006-10, Vol.42 (10), p.2417-2421
Hauptverfasser:	Rottmayer, R.E., Batra, S., Buechel, D., Challener, W.A., Hohlfeld, J., Kubota, Y., Lei Li, Bin Lu, Mihalcea, C., Mountfield, K., Pelhos, K., Chubing Peng, Rausch, T., Seigler, M.A., Weller, D., XiaoMin Yang
Format:	Artikel
Sprache:	eng
Schlagworte:	Alternative technology Costs Cross-disciplinary physics: materials science rheology Density Disk recording Exact sciences and technology Grains Heat-assisted magnetic recording Heat-assisted magnetic recording (HAMR) high-density recording Jitter Kalman filters Magnetic fields Magnetic heads Magnetic materials Magnetic recording Magnetism Magnetooptic recording Materials science Media Other topics in materials science Perpendicular magnetic recording Physics
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Beschreibung
Zusammenfassung:	Due to the limits of conventional perpendicular magnetic recording, it appears that alternative technologies are needed at areal densities >500 Gb/in 2 . Heat-assisted magnetic recording (HAMR) is a promising approach to extend areal densities to 1 Tb/in 2 and beyond. All of the unique components necessary for a working HAMR system have been demonstrated. Although HAMR permits writing on high Hc media with lower magnetic fields and can produce higher write gradients than conventional magnetic recording, head/media spacing and the development of high Hc media with small grains remains challenging
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2006.879572