磁気転写特性のマスター磁性層厚依存性(磁気記録)

概要

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Dependence of magnetic contact duplication properties on magnetic layer thicknesses of master media was studied. We found from experiments that for a master medium with a bit length of 2.5 μm, sufficient duplication was attained if the thickness was 1 μm, whereas for a bit length of 10 μm, a thickness of 1 μm or more was necessary to obtain sufficient duplication. We simulated duplication properties for bit lengths of 2.5 and 10 μm using the frnite element method, in addition to performing the experiments. The simulated results agreed well with the experimental ones. Because of this agreement, simulations were carried out to study shorter bit lengths; these simulations showed that for master media with bit lengths of 0.1 and 0.5 μm, duplication properties are unchanged over thicknesses of 0.04 and 0.1 μm, respectively.
社団法人日本磁気学会の論文
2004-03-01