Challenges in Heat Assisted Magnetic Recording(MORIS 2007 Workshop on Thermal & Optical Magneitc Materials and Devices)

概要

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To meet the ever-growing demand for digital storage, the recording industry has been maintaining a phenomenal growth in the data storage density. This growth has been maintained by increasing the anisotropy of each of the grains each time their volume was decreased. Heat Assisted Magnetic Recording will allow this scaling to continue by removing the write-ability barrier; Heating the medium during the write process lowers the anisotropy, such that even with a modest magnetic field a bit can be switched, yet remain thermally stable at ambient temperature. In this paper we will address three major challenges that were overcome to successfully put together a Heat Assisted Magnetic Recording system.
社団法人日本磁気学会の論文
2008-03-01