Trilayer media for high track density longitudinal recording

J. Akiyama; Y. Ohinata; T. Hikosaka; T. Taguchi; Y. Tanaka

doi:10.1063/1.362272

Trilayer media for high track density longitudinal recording

J. Akiyama, Y. Ohinata, T. Hikosaka, T. Taguchi, Y. Tanaka

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

This paper introduces a new recording method using a trilayer medium (recording layer/nonmagnetic layer/soft magnetic layer/substrate) to diminish the side written band width (ΔW). Magnetostatic coupling between the soft magnetic layer in the media and the write head poles decreases the side fringing field off the track edges. Off-track overwrite experiments revealed that the trilayer media reduced ΔW by 40%-60% compared to the monolayer medium while maintaining the effective write track width and the linear resolution.

Original language	English
Pages (from-to)	5655-5657
Number of pages	3
Journal	Journal of Applied Physics
Volume	79
Issue number	8 PART 2B
DOIs	https://doi.org/10.1063/1.362272
Publication status	Published - 1996 Apr 15
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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AU - Akiyama, J.

AU - Ohinata, Y.

AU - Hikosaka, T.

AU - Taguchi, T.

AU - Tanaka, Y.

PY - 1996/4/15

Y1 - 1996/4/15

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AB - This paper introduces a new recording method using a trilayer medium (recording layer/nonmagnetic layer/soft magnetic layer/substrate) to diminish the side written band width (ΔW). Magnetostatic coupling between the soft magnetic layer in the media and the write head poles decreases the side fringing field off the track edges. Off-track overwrite experiments revealed that the trilayer media reduced ΔW by 40%-60% compared to the monolayer medium while maintaining the effective write track width and the linear resolution.

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