Micromagnetic perpendicular recording model: soft magnetic underlayer and skew effect

Two major issues with perpendicular recording on double-layer media were identified and illustrated with a comprehensive micromagnetic recording model. Currently, side-writing with a single pole writer at a skew angle, and the detrimental effect of the presence of the soft under layer during play ba...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2001-10, Vol.235 (1), p.408-412
Hauptverfasser:	van Ek, Jan, Shukh, Alex, Murdock, Ed, Parker, Greg, Batra, Sharat
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Critical dimensions Double-layer media Electronics Exact sciences and technology Micromagnetic recording model Noise Recording and replay of audio and video signals Side writing Storage and reproduction of information
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Beschreibung
Zusammenfassung:	Two major issues with perpendicular recording on double-layer media were identified and illustrated with a comprehensive micromagnetic recording model. Currently, side-writing with a single pole writer at a skew angle, and the detrimental effect of the presence of the soft under layer during play back of the recorded signal, pose serious limitations on the feasibility of a perpendicular recording system at ultra-high areal density.
ISSN:	0304-8853
DOI:	10.1016/S0304-8853(01)00398-5