[기계시스템학부] KAIST 윤용진 교수님 3D 프린팅 기술특강
- 전체 학생
- 전체 학년/전체 성별
- 전체 학과
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학습 전공능력연계
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shpark21@sm.ac.kr
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02-2077-7862
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르네상스 406호
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핵심역량 지수
나의 역량 지수
추가역량지수
세부내용
Invited Seminar
Department of Mechanical Systems Engineering
Toward sustainable 3D printing technology: Ultra fast and low cost 3D hologram printing
날짜 2019년10월 10일 목요일
시각 4시
장소 르네상스플라자 406호
대상 공개강의
신청 SNOWAY 비교과 특강 신청 (마일리지 2000점)
연사 윤용진 교수
약력 2018-현재 Associate Professor in Mechanical Engineering, KAIST
2010-2018 Assistant Professor in School of Mechanical& Aerospace Engineering,
Nanyang Technological University, Singapore
2005-2009 PhD in Mechanical Engineering, Stanford University
2003-2005 MS in Mechanical Engineering, Stanford University
1996-2000 BS in Mechanical Engineering, Korea University
Concept of non-conventional 3D additive manufacturing is introduced for biomedical research. The ultimate aim of non-conventional 3D additive manufacturing is to develop a high-throughput, low-cost process for 3D additive manufacturing microstructures in hydrogels. The project centres on Three-Dimensional Hologram Lithography as a novel 3D printed microstructure fabrication process. Applications of these microstructures include making tissue scaffolds for regenerative therapies, for pharmaceutical screening, and for fundamental in vitro biological experiments.
The outstanding features of 3D Hologram Printing system are mainly attributed by the transparent diffractive optical elements (DOEs) of linear binary Fresnel lens fabricated to control the luminous intensity distribution. These DOEs of different patterns are arranged in series on a cover slip with each optical element designed to focus and diffract light at a particular plane within the device. Coupled with other components of the system, 3D hydrogel cellular scaffolds can be easily printed via effective and efficient one-step light exposure to the photo-crosslinkable polymer solution upon demand. The combined outstanding features of photo crosslinking and diffractive optical technique incorporated within this system enable the patterning of hydrogel within seconds for not only bulk structures, making large-scale fast production feasible, but also for localized, specific areas of interest, making printing of complex features simple. With this 3D Hologram Printing system, 3D two-layered hydrogel woodpile structures were successfully fabricated within 3 seconds.
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