Observation of recorded magnetization pattern by electron holography

Observation of recorded magnetization pattern by electron holography
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通过电子全息术观察记录的磁化图案

DOI：
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发表时间：
1983
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影响因子：
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通讯作者：
A. Tonomura
A. Tonomura
中科院分区：
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文献类型：
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作者：
N. Osakabe;K. Yoshida;Y. Horiuchi;T. Matsuda;H. Tanabe;Okuwaki Toyoji;J. Endo;H. Fujiwara;A. Tonomura

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电子全息术用于涉及高密度磁记录的实验，其中可以直接观察磁通量流。研究了记录薄膜中的磁通量分布以及高矫顽力蒸发钴薄膜中的最大堆积密度。磁纵向记录的最高密度为每英寸 170 000 位。该实验证明电子全息术对于磁记录的研究是有用的。
Electron holography was employed for experiments involving a high‐density magnetic recording, in which it was possible to directly observe streams of magnetic flux. The magnetic flux distribution in recorded films, and the maximum packing density in high‐coercivity evaporated cobalt film were investigated. With magnetic longitudinal recording the resultant highest density was 170 000 bits per inch. This experiment has proven that electron holography is useful for the study of magnetic recording.