Evaluation of ultraviolet assisted bonding between lubricant and diamond-like carbon through spreading of molecularly thin perfluoropolyether lubricant

被引：0
|
作者：
Y. Mitsuya
Y. Hayashi
K. Goto
H. Zhang
K. Fukuzawa
机构：
[1] Nagoya University,Department of Micro
来源：
Microsystem Technologies | 2005年 / 11卷
关键词：
Water Contact Angle; Disk Surface; Lubricant Boundary; Spreading Speed; Lubricant Thickness;
D O I：
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学科分类号：
摘要：
This paper deals with the evaluation of ultraviolet assisted bonding of perfluoropolyether lubricant to the diamond-like carbon surface of a magnetic disk. Spreading of lubricant from a quasi step-shaped boundary between lubricated and non-lubricated zones was measured with irradiation time, and diffusion coefficients were obtained using a modified Boltzmann–Matano method, which enabled us to approximately calculate the coefficients under the initial condition of a non-step-shaped boundary. We found that irradiation is effective for bonding the lubricant, and that a very thin layer of the lubricant abutting the surface exhibits faster diffusion.
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页码：887 / 893
页数：6
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