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SOFT UNDERLAYER HAVING A MULTILAYER STRUCTURE FOR HIGH AREAL DENSITY PERPENDICULAR RECORDING MEDIA
SOFT UNDERLAYER HAVING A MULTILAYER STRUCTURE FOR HIGH AREAL DENSITY PERPENDICULAR RECORDING MEDIA
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机译:具有高面积密度垂直记录介质的多层结构的软底层
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摘要
According to one embodiment, a soft underlayer structure includes a coupling layer, at least one outer soft underlayer positioned above and below the coupling layer, and at least one inner soft underlayer positioned above and below the coupling layer between the coupling layer and the associated outer soft underlayer, where the inner soft underlayers have a saturation magnetic flux density and/or a thickness that is different than a saturation magnetic flux density and/or a thickness of the outer soft underlayers.
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