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Title: Study of chemical contamination at head/disk interface
Authors: YAN DA
Keywords: chemical contamination, head/disk interface, stiction, fly stiction, acoustic emission, wear
Issue Date: 17-Aug-2005
Citation: YAN DA (2005-08-17). Study of chemical contamination at head/disk interface. ScholarBank@NUS Repository.
Abstract: In this thesis, we studied the chemical contaminations induced by hydrocarbon or siloxane at head/disk interface (HDI) in the term of stiction, fly stiction, head smear and disk wear and investigated the failure mechanisms. Hydrocarbon could induce high stiction or fly station at HDI. However, slidersa?? flying characteristics played an important role in leading to interface failure. Head smear and disk wear were much dependent on lubricant pick-up or lubricant depletion. Siloxane contamination resulted in interface failures with well defined wear track on disk surface due to silica formation on slider surfaces. We used acoustic emission sensors to evaluate HDI performance and found that AE measurements were sensitive and reliable tools for head/disk interference studies.
Appears in Collections:Master's Theses (Open)

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