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2003•IEEE Transactions on MagneticsRequires access

Micromagnetic modeling of discrete patterned perpendicular media

S. Haratani, Akimasa Kaizu, Isamu Sato

Open publisher page 5 citations

Abstract

The potential of discrete patterned perpendicular media is investigated by using micromagnetic simulations. Each discrete patterned track is physically separated with grooves. In this paper, modeling area is 1.92 /spl mu/m /spl times/ 0.64 /spl mu/m and 16 transitions with frequency of 100 MHz are recorded on the area with modeled single pole write head. The simulation results show that the elimination of side-write-fringe improves the signal-to-noise ratio and the off-track capabilities.

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What this paper is about

The potential of discrete patterned perpendicular media is investigated by using micromagnetic simulations. Each discrete patterned track is physically separated with grooves. In this paper, modeling area is 1.92 /spl mu/m /spl times/ 0.64 /spl mu/m and 16 transitions with frequency of 100 MHz are recorded on the area with modeled single pole write head. The simulation results show that the elimination of side-write-fringe improves the signal-to-noise ratio and the off-track capabilities.

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Available abstract

The potential of discrete patterned perpendicular media is investigated by using micromagnetic simulations. Each discrete patterned track is physically separated with grooves. In this paper, modeling area is 1.92 /spl mu/m /spl times/ 0.64 /spl mu/m and 16 transitions with frequency of 100 MHz are recorded on the area with modeled single pole write head. The simulation results show that the elimination of side-write-fringe improves the signal-to-noise ratio and the off-track capabilities.

Key concepts: Patterned media, Micromagnetics, Perpendicular recording, Perpendicular, Track (disk drive), Signal-to-noise ratio (imaging), SIGNAL (programming language), Head (geology)

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