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The Investigation of High Temperature Lubricants for HAMR Application

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5 Author(s)
Ji, R. ; Data Storage Institute, , Singapore , Singapore ; Xu, B. ; Zheng, R. ; Xie, H.
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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.

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Magnetics, IEEE Transactions on  (Volume:49 ,  Issue: 6 )