Comparative study of head-disk spacing measurement techniques between optical method and various in-situ methods (マルチメディアストレージ 第6回アジア情報記録技術シンポジウム〔英文〕)
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概要
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The interaction between slider, lubricant and disk surface is becoming the most crucial robustness concern of advanced data storage systems. This paper reports comparative studies among various techniques for the measurement of head-disk spacing. It is noticed that the triple harmonic method gives a reading much closer to the reading of the head-disk spacing obtained optically at on-track center case, comparing with the PW50 method. Specially prepared disks with different carbon overcoat thickness(6.5nm, 11nm, 16nm and 22nm) were also used to study the reliability and repeatability of the triple harmonic method.
- 社団法人映像情報メディア学会の論文
- 2001-11-08
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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Liu Bo
Data Storage Institute National University Of Singapore
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YUAN Zhi-Min
Data Storage Institute
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WAN Lei
Data Storage Institute
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XIAN Rui
Data Storage Institute
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Yuan Zhimin
Data Storage Institute
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Zhang Wei
Coll. Of Life Sci. Northwest Univ.
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