The Investigation of High Temperature Lubricants for HAMR Application

Through a novel temperature measurement method, this paper studies the lubricant film property subjected to heat-assisted magnetic recording (HAMR) laser heating. The material characterization of lubricant film under HAMR ultra-fast heating rate and ultra-short heating period condition has been comp...

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Veröffentlicht in:	IEEE transactions on magnetics 2013-06, Vol.49 (6), p.2772-2775
Hauptverfasser:	Rong Ji, Baoxi Xu, Rongyan Zheng, Huiqing Xie, Tsai, J. W. H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Cross-disciplinary physics: materials science rheology Exact sciences and technology Hard disk lubricant Heat-assisted magnetic recording heat-assisted magnetic recording (HAMR) Heating laser irradiation Lasers lubricant degradation/decomposition Lubricants Magnetism Materials science Metals Other topics in materials science Physics Temperature sensors Thermal stability
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Beschreibung
Zusammenfassung:	Through a novel temperature measurement method, this paper studies the lubricant film property subjected to heat-assisted magnetic recording (HAMR) laser heating. The material characterization of lubricant film under HAMR ultra-fast heating rate and ultra-short heating period condition has been compared with that after conventional thermal heating. The relationship of lubricant degradation and decomposition with the heating rate and heat duration and the reaction of the lubricant with the metal used for the temperature sensor has been studied and discussed.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2013.2258459