Vibration attenuation analysis of compressional gas cushion press nanoimprint lithography system

被引:4
|
作者
Liu Chaoran [1 ]
Yue Jinzhao [2 ]
Li Tianhao [1 ]
Xia Weiwei [1 ]
Li Dongxue [1 ]
Duan Zhiyong [1 ]
机构
[1] Zhengzhou Univ, Phys Engn Coll, Zhengzhou, Henan, Peoples R China
[2] Zhengzhou Univ, Water Conservancy & Environm Engn Coll, Zhengzhou, Henan, Peoples R China
基金
中国国家自然科学基金;
关键词
Vibration attenuation; elastic dynamics; CGCP; nanoimprint; nested rectangular structure; FABRICATION;
D O I
10.1177/0954406213508755
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Nanoimprint lithography has a great development in decades. Compressional gas cushion press is a novel method in improving the uniformity in nanoimprint lithography process. Based on compressional gas cushion press nanoimprint lithography system, an attenuation ring is added between the chamber wall and the pedestal. The attenuation ring decreases the influence of system vibration on the fidelity of patterning. The physical parameters of the attenuation material are optimized based on the theoretical models of the vibration attenuation and mechanical calculation. According to the optimization physical parameters, Young's modulus of a perfect material of attenuation ring should be smaller than 8 MPa, and Poisson's ratio should be close to 0.5. Therefore, natural rubber is employed as the material of attenuation ring. The simulation results based on COMSOL indicate that nested rectangular structure has the best attenuation effect among the four simulated internal structures. It provides technological supporting for the establishment of attenuation ring in compressional gas cushion press nanoimprint lithography system.
引用
收藏
页码:1634 / 1642
页数:9
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