Prof. Jinho Ahn
Professor at Hanyang Univ
SPIE Involvement:
Conference Program Committee | Author | Instructor
Publications (54)

Proceedings Article | 12 November 2024 Poster + Paper
Proceedings Volume 13215, 132150V (2024) https://doi.org/10.1117/12.3033641
KEYWORDS: Porosity, Etching, Silicon, Pellicles, Extreme ultraviolet, Transmittance, Silicon nitride, Dry etching, Surface roughness, Semiconductors, Wet etching

Proceedings Article | 12 November 2024 Poster + Paper
Proceedings Volume 13215, 1321513 (2024) https://doi.org/10.1117/12.3034605
KEYWORDS: Ion implantation, Etching, Extreme ultraviolet, Photomasks, Alloys

Proceedings Article | 12 November 2024 Presentation + Paper
Ji-Hoo Seok, Jiwon Kim, Hyeonseok Ji, Jaehyuk Lee, Kwangsub Yoon, Myung Mo Sung, Jinho Ahn
Proceedings Volume 13215, 1321502 (2024) https://doi.org/10.1117/12.3034596
KEYWORDS: Extreme ultraviolet lithography, Electron beam lithography, Photoresist materials, Etching

Proceedings Article | 12 November 2024 Presentation + Paper
Young Woo Kang, Ha Neul Kim, Taeho Lee, Young Wook Park, Jinho Ahn
Proceedings Volume 13215, 132150D (2024) https://doi.org/10.1117/12.3034680
KEYWORDS: Extreme ultraviolet, Pellicles, Multilayers, Transmittance, Emissivity, Reflectivity, Thermal stability

SPIE Journal Paper | 5 August 2024 Open Access
Tao Shen, Iacopo Mochi, Dongmin Jeong, Elisabeth Mueller, Paolo Ansuinelli, Jinho Ahn, Yasin Ekinci
JM3, Vol. 23, Issue 04, 049801, (August 2024) https://doi.org/10.1117/12.10.1117/1.JMM.23.4.049801
KEYWORDS: Silicon, Scanning transmission electron microscopy, Ruthenium, Reflectometry, Phase shifts, Molybdenum, Extreme ultraviolet, Attenuation, Design, Biological samples

Showing 5 of 54 publications
Conference Committee Involvement (4)
International Conference on Extreme Ultraviolet Lithography 2025
21 September 2025 | Monterey, California, United States
International Conference on Extreme Ultraviolet Lithography 2024
30 September 2024 | Monterey, California, United States
International Conference on Extreme Ultraviolet Lithography 2023
2 October 2023 | Monterey, California, United States
International Conference on Extreme Ultraviolet Lithography 2022
26 September 2022 | Monterey, California, United States
Course Instructor
SC888: EUV Lithography
This course provides attendees with a full overview of the fundamentals, current status, and technical challenges of EUV Lithography. Topics covered include EUV Sources, EUV Source Metrology, EUV Optics, EUV systems and patterning, and EUV Mask. We will begin with an overview of the history of EUVL and cover EUV sources, EUV source metrology and EUV optics. Next is a discussion of EUVL systems and patterning. We cover the fundamental components of EUV systems and address similarities and differences to optical lithography systems. This section also covers patterning issues including flare, LER, and resist performance. We continue with an exploration of EUVL Mask technology issues such as design, materials including reflective multilayers, process and metrology. Finally we conclude with a Status Review of EUVL. Course material will be drawn from the accompanying texts EUV Sources for Lithography and EUV Lithography.
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