Abstract
In the magnetic contact duplication technique using lithographically patterned master media, when the master media have magnetic films not only in the protrusion parts but in the dent parts, the depth of the dent parts affects the duplication performance. For the master media with a pattern width L of 2.5 μm, both experimental and simulation results show that even though there are magnetic films at the dent parts, if the depth of the dent d is 0.5 μm, the degree of magnetization reversal at transitions of duplicated slave media is much the same as that for the master media without magnetic films at the dent parts. It is inferred from simulations that for the master media with L of 0.1 and 0.4 μm, if d is 0.1 and 0.2 μm, respectively, magnetic films at the dent parts have no influence on the duplication performance.
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