3D Hydrogel Manufacturing Employing Self-Focusing during Photo-Curing Process

Gayeong Lee, Hidetoshi Takahashi, Tetsuo Kan, Jieun Kim, Nilsu Donmez, Jihoon Park, Dongwook Kim, Sanghoon Ka, Misong Nam, Donggi Lim, Yun Jung Heo

研究成果: Conference contribution

抄録

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.

本文言語English
ホスト出版物のタイトル33rd IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2020
出版社Institute of Electrical and Electronics Engineers Inc.
ページ323-324
ページ数2
ISBN(電子版)9781728135809
DOI
出版ステータスPublished - 2020 1
イベント33rd IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2020 - Vancouver, Canada
継続期間: 2020 1 182020 1 22

出版物シリーズ

名前Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
2020-January
ISSN(印刷版)1084-6999

Conference

Conference33rd IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2020
国/地域Canada
CityVancouver
Period20/1/1820/1/22

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 機械工学
  • 電子工学および電気工学

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