3D HYDROGEL MANUFACTURING EMPLOYING SELF-FOCUSING DURING PHOTO-CURING PROCESS

被引：0

作者：

Lee, Gayeong ^{[1
]}

Takahashi, Hidetoshi ^{[2
]}

Kan, Tetsuo ^{[3
]}

Kim, Jieun ^{[1
]}

Donmez, Nilsu ^{[1
]}

Park, Jihoon ^{[1
]}

Kim, Dongwook ^{[1
]}

Ka, Sanghoon ^{[1
]}

Nam, Misong ^{[1
]}

Lim, Donggi ^{[1
]}

Heo, Yun Jung ^{[1
]}

机构：

[1] Kyung Hee Univ, Seoul, South Korea

[2] Keio Univ, Yokohama, Kanagawa, Japan

[3] Univ Electrocommun, Tokyo, Japan

来源：

2020 33RD IEEE INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS 2020) | 2020年

基金：

新加坡国家研究基金会;

关键词：

Self-focusing; 3D lithography; PEGDA; Microneedle;

D O I：

10.1109/mems46641.2020.9056299

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work proposes a 3D lithography technique with self-focusing during polymerization based on refractive-indices change of polyethylene glycol diacrylate (PEGDA) (Fig.1). Compared to the previous work, the present work enables to fabricate 3D structures using single UV exposure and theoretically estimate 3D features. We demonstrate the potential of the self-focusing 3D lithography by fabricating PEGDA microneedles and trapezoid -shaped wells. Their structures well match to our theoretical estimation. Therefore, our theoretical approach shows its potential for on-demand, complicated 3D structures of refractive-indices-variable materials with single UV exposure.

引用

页码：323 / 324

页数：2

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