화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.7, No.5, 263-275, September, 2001
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Lubricants in Future Data Storage Technology
Myung S. Jhon†, and Hyoung Jin Choi1
  • Department of Chemical Engineering and Data Strage Systems Center, Carnegie Mellon University, Pittsburgh, PA 15213-3890, USA
  • 1Department of Polymer Science and Engineering, Inha Univeristy, Inchon 402-751, Korea
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Experimentation and theory for the dynamic behavior of thin perfluoropolyether (PFPE) films, as well as PFPE application to the hard disk drive system, are reviewed. A method for extracting spreading dynamics from the scanning microellipsometry (SME) for various PFPE/solid surface pairs, and the rheological characterization of bulk PFPEs, are extensively reviewed. Furthermore, the interrelationship among SME measurements, surface energy, rheology, and tribology, is discussed. Phenomenological microscale mass transfer theory and Monte Carlo simulation techniques are adopted to model the dynamic behavior of thin film lubricants in a unified manner. The fractal dimension is also introduced for potential use in a fingerprint analysis of lubricant/surface pairs. Applications to replenishment and solvent effects on media noise will also be discussed. Integrated modeling with air bearing/lubricant coupling and its applications are also examined.
Keywords:perfluoropolyether;scanning microellipsometry;rheology;Monte Carlo simulation;fractal;air bearing;lubricant
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