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R&D: Adjacent Track Interference in HAMR, Impact and Implications

Aspects of challenges to high track density HAMR are addressed with focus on track interferences (adjacent as well as non-nearest neighbor erasure).

This is a Press Release edited by StorageNewsletter.com on March 21, 2019 at 2:27 pm

IEEE Transactions on Magnetics has published an article written by Sangita Kalarickal, Antonia Tsoukatos, Stephanie Hernandez, Cal Hardie, and Edward Gage, Seagate Research Group, Seagate Technology, Shakopee, MN 55379 USA.

Abstract: “Some aspects of the challenges to high track density heat-assisted magnetic recording (HAMR) are addressed with a focus on track interferences (adjacent as well as non-nearest neighbor erasure). Comparisons with corresponding conventional perpendicular magnetic recording (PMR) parameters are also made. Adjacent and non-nearest neighbor track erasure data from functional HAMR and PMR drives and simulation data of signal-to-noise ratio loss in HAMR are also presented.“