Magnetic Roughness Analysis: Methodology and Application
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概要
- 論文の詳細を見る
As technology moves towards 100 Gb/in^2 areal densities and channel density above 3, the homogeneity of media's recording capability becomes a crucial issue in defining the reliability of the recording systems. Two concepts are proposed in this work for performance analysis: recording performance roughness analysis and dynamic magnetic roughness analysis. The recording performance roughness analysis is based on an in-situ measurement technique of the non-linear transition shift (NLTS). Relationship between the performance roughness and the roughness of dynamic magnetic parameters are studied. Results of experimental investigations indicate that the NLTS based performance roughness analysis can reveal more details on media's recording capability and the capability fluctuation. The work also extend to the accuracy analysis of the playback amplitude based methods for the analysis of the dynamic coercive squareness and dynamic hysteresis loop.
- 社団法人電子情報通信学会の論文
- 1999-11-10
著者
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Zhang W
Institute For Materials Research Tohoku University
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Liu Bo
Data Storage Institute
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Liu Bo
Data Storage Institute 5 Engineering Drive
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Zhang W
Data Storage Institute
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Zhang Wei
Data Storage Institute
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Liu B
Data Storage Institute 5 Engineering Drive
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HU Sheng-Bin
Data Storage Institute
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Zhang W
National Institute For Radiological Protection Chinese Center For Disease Control And Prevention
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Liu B
Data Storage Institute
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Liu Bo
Data Storage Institute 5 Engineering Drive 1
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Zhang Wei
Coll. Of Life Sci. Northwest Univ.
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