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Dynamic read/write performance characterization of perpendicular recording

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3 Author(s)
Y. Tanaka ; Data Storage Dev. Center, Toshiba Corp., Tokyo, Japan ; A. Takeo ; T. Hikosaka

Double-layer perpendicular recording media employing high squareness magnetic properties have been developed and tested with single-pole perpendicular heads. Dynamic performance tests revealed that double-layer perpendicular media exhibited high output signal, high resolution, and superior write performance at the same time. Signal decay tests also indicated superior thermal stability. Drive integration test with a 42 kTPI (1654 track/mm) system showed comparable tracking servo performance to conventional systems.

Published in:

IEEE Transactions on Magnetics  (Volume:38 ,  Issue: 1 )