Ultrafast Laser-Induced Two-Photon Photopolymerization of SU-8 High-Aspect-Ratio Structures and Nanowire

被引:5
作者
Kong, Hong Jin [1 ]
Yi, Shin Wook [1 ]
Yang, Dong-Yol [2 ]
Lee, Kwang-Sup [3 ]
机构
[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
[3] Hannam Univ, Dept Informat & Biomat, Taejon 306791, South Korea
关键词
Two-photon absorption; Polymerization; Stereolithography; MICRO-FABRICATION; ABSORPTION; STORAGE;
D O I
10.3938/jkps.54.215
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A three-dimensional microstructure with several tens of nanometer resolution can be fabricated using the ultrafast laser-induced two-photon photopolymerizing fabrication technique. In this fabricating technique, SCR-500 (urethane acrylate) and SU-8 (epoxy) are used as two-photon absorbing photopolymerizable resins. SCR-500 has been used widely to fabricate a 3-D microstructure with highly precise details, but its high-aspect-ratio structure is naturally excessively. On the other hand, SU-8 is rigid, so a high-aspect-ratio microstructure can be fabricated with SU-8. In this report, various aspect-ratio microstructures with SCR-500 and SU-8 were fabricated and the viability of the structures was investigated. Also a 70 nm-linewidth nanowire, which connects between two high-aspect-ratio structures, was fabricated.
引用
收藏
页码:215 / 219
页数:5
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