年次大会
Online ISSN : 2424-2667
ISSN-L : 2424-2667
セッションID: S162013
会議情報
S162013 軽荷重接触記録に及ぼす超薄膜液体潤滑膜の影響
多川 則男谷 弘詞岩崎 和巳
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会議録・要旨集 フリー

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In this study, we investigated the effects of ultra-thin liquid lubricant films on light contact recording by using dynamic flying height (DFH) control sliders. In other words, lubricant pickups, lubricant wear and slider wear on different PFPE lubricant (Ztetraol2000, D-4OH, and QA-40) films were investigated and compared by using a SSA tester developed to observe the lubricant thickness mapping on the slider surfaces after the heads slide on the disk surfaces under the conditions of light contact recording. These lubricants have the same four OH functional end-groups but different backbones. As a result, the effects of ultra-thin liquid lubricant films on light contact recording by using dynamic flying height (DFH) control sliders were elucidated and it was suggested that they were affected by the conformation of the lubricant molecules. In addition, it was found that the experimental results have comparatively good correlation with the fundamental AFM evaluation results for each different lubricant film.
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© 2012 一般社団法人 日本機械学会
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