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The Feasibility of Magnetic Recording at 10 Terabits Per Square Inch on Conventional Media

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4 Author(s)
Wood, R. ; Hitachi Global Storage Technol., San Jose, CA ; Williams, Mason ; Kavcic, A. ; Miles, Jim

This paper proposes a new approach to magnetic recording based on shingled writing and two-dimensional readback and signal-processing. This approach continues the use of conventional granular media but proposes techniques such that a substantial fraction of one bit of information is stored on each grain. Theoretically, areal-densities of the order of 10 Terabits per square inch may be achievable. In this paper we examine the feasibility of this two-dimensional magnetic recording (TDMR) and identify the significant challenges that must be overcome to achieve this vision.

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Magnetics, IEEE Transactions on  (Volume:45 ,  Issue: 2 )