Issues in the Design of Media for Hybrid Recording (Invited Paper)

概要

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The merging of concepts from magnetic and optical recording technology is now considered an important approach for the continuation of the forty-five year upward march of areal density performance in rigid disk drives (RDD) and other recording systems. Hybrid recording has been proposed in many forms, but here we discuss architectures appropriate for the anticipated thrust of RDD toward 1 Tb/in^2 and beyond. At these extreme areal densities, many novel technologies must be combined for the performance of thermomagnetic recording consistent with the exacting requirements of RDD. The design of media to support this technology at the required densities will demand significant extensions from past trends into realms that accommodate use of elevated temperatures and compatibility with novel sources of near-field (NF) electromagnetic (EM) energy. We report thermomagnetic recording simulations which illustrate how the recording physics are centrally related to the interplay of optical, thermal, and magnetic phenomena.
社団法人日本磁気学会の論文
2002-10-01