In this article, we have studied the potential of tilted media to extend the longitudinal recording density via micromagnetic simulation. The magnetization reversal mechanism is systematically analyzed to determine the angular dependence of coercivity of this media. Such a characteristic determines the recording performance for different recording directions. A sharp transition is observed for the good recording direction. In contrast, large transition noise is observed for the bad recording direction. Tilted media have the advantage similar to the perpendicular media for extreme high recording density, resulting from the use of high Ku and low demagnetization field at the transition. Most importantly, the magnetization in the tilted configuration can be reversed effectively with a longitudinal ring head.
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