光磁気記録高密度化における展望と課題

概要

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This paper reviews the recent progress in magneto-optical (MO) recording technics. Among the various technologies that contribute the rapid progress for areal density of recording, MO recording utilizes the both features of the magnetic and the optical recording advantages. The magnetic super resolution (MSR), the magnetic amplifying MO system (MAMMOS), and the domain wall displacement detection (DWDD) methods are utilizing the magnetic charateristics and their temperature dependence for achieving high spatial resolution for detection. The multi value recording is another method for achieving high density and the multi wave length detection is the way for getting high signal levels from the multi layer structure which has used for multi value recording. Including the technics mentioned above, the future aspect of MO recording toward over 100 Gb/in^2 is discussed.
社団法人日本磁気学会の論文
2002-04-07