Abstract
In order to reduce the failure of advanced metal evaporated (AME) tape, novel perfluoropolyether (PFPE) lubricants, Z-TETRAOL and A20H, were deposited on an unlubricated AME tape. The degradation mechanisms of the PFPE lubricants applied on AME tape were studied using a mass spectrometer in high vacuum. The durability of various lubricants was compared using pin-on-disk experiments in high vacuum and using an accelerated tape tester in ambient air. It was found that PFPE lubricants were mainly degraded by tribochemical reaction and mechanical shear. The durability of Z-TETRAOL and A20H are higher than conventional PFPE lubricant and lubricant on experimental tape. By using ultraviolet light treatment and by applying a stearic acid overcoat, the durability of PFPE lubricants could be improved.
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Acknowledgements
Financial support for this work was provided by industry membership of NLIM. The authors thank Dr. Hideki Yoshida of Matsushita Electric Industrial (MEI) Co. Kadoma, Japan for providing unlubricated AME tape and Dr S. Onodera of Sony Sendai Research Center, Japan for providing experimental AME tapes. The authors would also like to thank Robert Sayer for conducting wear test on the accelerated tape tester.
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Bhushan, B., Tao, Z. Lubrication of advanced metal evaporated tape using novel perfluoropolyether lubricants. Microsyst Technol 12, 579–587 (2006). https://doi.org/10.1007/s00542-006-0113-3
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DOI: https://doi.org/10.1007/s00542-006-0113-3