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A single-pole-type head design for 400 Gb/in2 recording

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6 Author(s)
Kanai, Y. ; Dept. of Inf. & Electron. Eng., Niigata Inst. of Technol., Kashiwazaki, Japan ; Greaves, S.J. ; Yamakawa, K. ; Aoi, H.
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A single-pole-type head design for 400 Gb/in2 based on finite-element method (FEM) simulations is presented. The conditions required to generate a sufficient field for this areal density are shown. To reach this density various media were considered and written track widths, erase bands, signal-to-noise ratios, and written bit patterns were derived from Laudau-Lifshitz-Gilbert (LLG) simulations.

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Magnetics, IEEE Transactions on  (Volume:41 ,  Issue: 2 )