Extremely High-Density Magnetic Information Storage : Outlook Based on Analyses of Magnetic Recording Mechanisms
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概要
- 論文の詳細を見る
Tremendous progress has been made in magnetic data storage by applying theoretical considerations to technologies accumulated empirically through a great deal of research and development. In Japan, the recording demagnetization phenomenon was eagerly analyzed by many researchers because it was a serious problem in analogue signal recording such as video tape recording using a relatively thick magnetic recording medium. Consequently, perpendicular magnetic recording was proposed as a method for extremely high-bit-density recording. This paper describes the theoretical background which has resulted in the idea of perpendicular magnetic recording. Furthermore, the possibility of magnetic recording is discussed on the basis of the results obtained theoretically by magnetic recording simulators. Magnetic storage has the potential for extremely high-bit-density recording exceeding 1 Tb/cm^2. We propose the idea of 'spinic data storage' in which binary digital data could be stored into each ferromagnetic single-domain columnar particle when the perpendicular magnetizing method is used.
- 社団法人電子情報通信学会の論文
- 1995-11-25
著者
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NAKAMURA Yoshihisa
Research Institute of Electrical Communication, Tohoku University
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Nakamura Yoshihisa
Research Institute Of Electrical Communication Tohoku University
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Nakamura Y
Tohoku Univ. Sendai‐shi Jpn
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Nakamura Yoshihisa
Research Institute Of Electrical Communication Tohoku Univeristy
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