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：

暂无

中图分类号：

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.

引用

页码：887 / 893

页数：6

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