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Effect of Laser Heating on Nanoscale Wear of DLC Thin Films in an Air Environment

[+] Author Affiliations
Norio Tagawa, Hiroshi Tani, Shinji Koganezawa, Renguo Lu

Kansai University, Suita, Japan

Paper No. ISPS2017-5412, pp. V001T01A003; 3 pages
doi:10.1115/ISPS2017-5412
From:
  • ASME 2017 Conference on Information Storage and Processing Systems collocated with the ASME 2017 Conference on Information Storage and Processing Systems
  • ASME 2017 Conference on Information Storage and Processing Systems
  • San Francisco, California, USA, August 29–30, 2017
  • Conference Sponsors: Information Storage and Processing Systems Division
  • ISBN: 978-0-7918-5810-3
  • Copyright © 2017 by ASME

abstract

To achieve magnetic recording densities greater than 10 Tb/in2, the head-disk interface (HDI) spacing is required to be less than 2–3 nm. Thus far, various technologies, such as heat assisted magnetic recording (HAMR), have been studied and developed to achieve such high magnetic recording densities [1]. To ensure the practical applicability of HAMR, it is important to understand the reliability of perfluoropolyether (PFPE) boundary lubricant films and carbon overcoat or diamond-like carbon (DLC) thin films used on the head slider and disk surfaces under heating conditions [2].

Copyright © 2017 by ASME

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