Analysis of recording in bit patterned media with parameter distributions

Analysis of recording in bit patterned media with parameter distributions
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具有参数分布的位模式媒体记录分析

DOI：
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
V. Lomakin
V. Lomakin
中科院分区：
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文献类型：
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作者：
B. Livshitz;A. Inomata;H. Bertram;V. Lomakin

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在位图案化介质(BPM)中记录需要严格同步信号未配准时间。提出了一种基于单个元件的微磁模拟的方案，该方案允许定义允许同步记录的写入窗口(WW)。研究了各向异性场随机分布的WW行为。结果表明，WW的宽度由介质参数偏差、BPM元素间距和头部磁场强度决定。结果表明，由于BPM性质的随机分布，可以对BPM密度和所需的头场施加显著的限制。
Recording in bit patterned media (BPM) requires strict synchronization of the signal misregistration time. A scheme is presented based on micromagnetic simulation of a single element which allows defining a writing window (WW) permitting for synchronized recording. The WW behavior for random distributions of the anisotropy field is studied. The width of WW is shown to be determined by the medium parameters deviations, the BPM element separation, and the head field strength. It is shown that significant limitations can be imposed on the BPM density and required head fields because of the random distributions of the BPM properties.