People

Artificial Vision & Neural Engineering

Lab Members

Chaesung Kim

Integrated M.S. and Ph.D. Program in Electrical and Electronic Engineering at Korea University (Mar. 2023 – present)
(Co-advising with Prof. Hyung-Min Lee at Korea University)

chaesung.kim@kist.re.kr
Research Interests

Bio-MEMS, Retinal prosthesis

Education
Integrated M.S. and Ph.D. of Electrical and Electronic Engineering, Korea University, Seoul, South Korea (Mar.2023 - Present)
B.S., department of Electronic Engineering, Kyunghee University, Yongin, South Korea (Feb.2023)
Experience

 Undergraduate Intern in Brain Science Institute

 Sep.2022 - Feb.2023

 KIST (Korea Institute of Science and Technology), Seoul, South Korea

 


Patents
  1. Yong-Kweon Kim, Seung-Han Chung, Seung-Ki Lee, Jae-Hyoung Park, Maesoon Im, Chaesung Kim, “Dual Microelectrode Array for Simultaneous Electrical and Optical Stimulation and Measurement,” Korean Patent, Application #10-2025-0042332, Apr. 1, 2025
  2. Jongbaeg Kim, Hyunjun Han, Sangjun Sim, Maesoon Im, Chaesung Kim, “Retinal Microneedle Electrode and Manufacturing Method of the Same,” Korean Patent, Application #10-2025-0099277, Jul. 22, 2025
Publication
  1. Seong-Han Chung*, Chaesung Kim*, Minju Kim*, Donggeun Choi, Yunseo Son, Hyeonhee Roh, Byung Chul Lee, Hyung-Min Lee, Yong-Kweon Kim, Seung-Ki Lee, Jae-Hyung Park, and Maesoon Im, “A three-dimensional bipolar microneedle electrode array with local ground integrated at each sidewall for enhanced focal electric stimulation,” Microsystems and Nanoengineering (2025)
  2. Hyeonhee Roh*, Kwangjun Kim*, Chaesung Kim, Minju Kim, Minwook Kim, Sangjun Sim, Jongbaeg Kim, Jong G. Ok†, Maesoon Im†, "Polymer-incorporated mechanically compliant carbon nanotube microelectrode arrays for multichannel neural signal recording" Advanced Functional Materials (2025).


Conference
  1. Chaesung Kim, Hyeonhee Roh, Jungjun Kim, Hyejeong Seong, and Maesoon Im(2022), Tungsten microwire electrode packaged by anisotropically-conductive adhesive and neural signal recording from mouse auditory cortex, The Society of Micro and Nano Systems Fall Meeting, Gwangju, South Korea - Poster Oral, Recipient of best undergraduate poster award
  2. Chaesung Kim, Hyeonhee Roh, Jungjun Kim, Hyejeong Seong, and Maesoon Im(2023), Method of packaging neural signal recording device with various array structure microelectrodes using anisotropically-conductive adhesive and SUS mask, The 25th Korean Micro Electro Mechanical Systems Conference (KMEMS’23), Jeju, South Korea - Poster Oral 
  3. Jihoon Kwon, Hyeonhee Roh, Chaesung Kim, Kwangjun Kim, Sangjun Shim, Jongbaeg Kim, Jong G. Ok, and Maesoon Im(2023), "Carbon nanotube electrode for visual cortex neural signal recording", The Society of Micro and Nano Systems Fall Meeting, Yeosu, South Korea - Poster Oral
  4. Kwangjun Kim, Chaesung Kim, Hyeonhee Roh, Sanjun Sim, Minwook Kim, Jongbaeg Kim, Maesoon Im, and Jong G. Ok(2024), "Vertically-aligned CNT microneedle-based 3D flexible electrode array for neural signal recording from mouse visual cortex", The 26th Korean Micro Electro Mechanical Systems Conference (KMEMS’24), Jeju, South Korea 
  5. Chaesung Kim*, Seung-Han Chung*, Minju Kim, Hyeonhee Roh, Jin-Yeong Park, Yong-Kweon Kim, Seung-Ki Lee, Jae-Hyoung Park†, and Maesoon Im†(2024), “Bipolar microneedle electrode array reduces current spreading during electric stimulation for high-resolution retinal prosthesis,” The 46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC’24), Orlando, FL, USA (*These authors contributed equally.)
  6. Chaesung Kim*, Seung-Han Chung*, Yong-Jin Kim, Hyeonhee Roh, Seong-Ki Lee, Yong-Kweon Kim, Hyung-Min Lee, Jae-Hyong Park, Min Gu Kang, and Maesoon Im(2025), “Silicon Solar cell-integrated flexible retinal prosthesis for artificial vision”, The 38th Annual Conference of the IEEE Micro Electro Mechanical Systems (IEEE MEMS’25), Kaohsiung, Taiwan (*These authors contributed equally.)
  7. Seung-Han Chung*, Chaesung Kim*, Yong-Kweon Kim, Jae-Hyoung Park, and Maesoon Im(2025), “An array of silicon dual microneedle electrodes integrated with mini-LEDs for electrophysiological recording and simultaneos application of electrical and optical stimuli to the retina for artificial vision”, The 38th Annual Conference of the IEEE Micro Electro Mechanical Systems (IEEE MEMS’25), Kaohsiung, Taiwan (*These authors contributed equally.)
  8. Chaesung Kim, Hyeonhee Roh, Jin-Yeong Park, Seung-Han Chung, Yong-Jin Kim, Seung-Ki Lee, Yong-Kweon Kim, Hyung-Min Lee, Jae-Hyoung Park†, Min Gu Kang†, and Maesoon Im†(2025), "Fabrication of silicon solar cell-based flexible retinal prosthesis and its characterization using animal models", The 27th Korean Micro Electro Mechanical Systems Conference (KMEMS’25), Jeju, South Korea (*These authors contributed equally.) - Oral Presentation, Recipient of best paper award 
  9. Hyunjun Han*, Sangjun Sim*, Chaesung Kim*, Maesoon Im†, and Jongbaeg Kim†(2025), "Vertically-aligned carbon nanotube microstructure microneedles for retinal drug delivery", The 27th Korean Micro Electro Mechanical Systems Conference (KMEMS’25), Jeju, South Korea (*These authors contributed equally.) 
  10. Hyunjun Han*, Sangjun Sim*, Chaesung Kim*, Maesoon Im†, and Jongbaeg Kim†(2025), "Three-dimensional microelectrode array with vertically-aligned carbon nanotubes for retinal neural signal recording", The 23rd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers’25), Orlando, FL, USA (*These authors contributed equally.)
  11. Yusol Lee*, Chaeyeon Lee*, Minju Kim, Chaesung Kim, Dae yang Oh, Hyeonhee Roh, Subeen Park, Jae Hun Kim, Maesoon Im†, “A new optokinetic response gain analysis based on mean squared error for accurate and universal visual function assessment in animal study,” The 28th Annual Meeting of the Korean Society for Brain and Neural Sciences (KSBNS 2025), Incheon, South Korea, Aug. 24-27, 2025.  - Poster Oral (*These authors contributed equally.)
Address.
(02792) 서울특별시 성북구 화랑로 14길 5 한국과학기술연구원
Tel.
02-958-5749

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