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Magnetic Recording in Patterned Media at 5–10 Tb/in ^{2}

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3 Author(s)
Greaves, S.J. ; RIEC, Tohoku Univ., Sendai ; Kanai, Y. ; Muraoka, H.

In this paper, the feasibility of patterned media systems able to support areal densities of 5-10 Tb/in2 is examined. The systems considered used only a conventional write head, without additional electromagnetic devices. Despite the use of a shielded head and contact recording it was impossible to discriminate reliably between bits at 10 Tb/in2 . Areal densities of around 5 Tb/in2 appear feasible, but only if geometrical and material parameter dispersions are minimized. Including such dispersions reduced the maximum areal density to around 4 Tb/in2.

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Magnetics, IEEE Transactions on  (Volume:44 ,  Issue: 11 )