K. Nakamoto, Y. Kawato, N. Yoshida, Y. Okada, M. Hatatani, M. Mochizuki, K. Watanabe, M. Fuyama
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Perpendicular recording heads for areal densities over 100 Gb/in/sup 2/
Perpendicular recording with sufficient thermal stability has great potential for next-generation recording with areal densities over 100 Gb/in/sup 2/. One of the biggest problems for single-pole writers is head-induced erasure, such as erase-after-write This erasure is due to the high remanent magnetization of the main pole. We fabricated single-pole writers with a domain stabilization technique to reduce the remanence, and highly sensitive tunneling magnetoresistive (TMR) readers for 100 Gb/in/sup 2/ perpendicular recording.
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