Dr. Kisik Choi Profile

Dr. Kisik Choi

at IBM Thomas J Watson Research Ctr

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Author

Publications (2)

Proceedings Article | 10 April 2024 Presentation

EUV double patterning solution for subtractive metal patterning at 18nm pitch

Christopher Penny, Koichi Motoyama, Hosadurga Shobha, Nabil Azad, Taesun Kim, Shravana Katakam, Johnsoo Kim, Joe Lee, Gideon Oyibo, Jaemyung Choi, Stuart Sieg, Tenko Yamashita, John Arnold, Kisik Choi

Proceedings Volume PC12958, (2024) https://doi.org/10.1117/12.3016092

KEYWORDS: Optical lithography, Extreme ultraviolet, Double patterning technology, Metals, Design and modelling, Ruthenium, Extreme ultraviolet lithography, Copper, Resistors, Resistance

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Proceedings Article | 27 April 2023 Presentation + Paper

Overlay performance in permanent bonded wafer integration schemes

Nathan Ip, Michael Belyansky, Christopher Netzband, Norifumi Kohama, Richard Johnson, Shobha Hosadurga, Jack Wong, John Arnold, Kisik Choi, Wai Kin Li, Indira Seshadri, Luciana Meli, Ilseok Son

Proceedings Volume 12496, 1249618 (2023) https://doi.org/10.1117/12.2654679

KEYWORDS: Wafer bonding, Semiconducting wafers, Distortion, Overlay metrology, Metrology, Scanners, Optical alignment, Silicon, Interfaces, Data modeling

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