CONFERENCE PROCEEDINGS
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Sunghwi Cho
Researcher at SAMSUNG Electronics Co Ltd
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Author
Publications (4)
Proceedings Article | 3 October 2022 Poster + Paper
On-machine laser spot diagnostics by scanning linear image sensor for maskless lithography system
Akinori Ohkubo, Jiyoung Chu, Janghwi Lee, Sunghwi Cho, Wondon Joo, Sangwoo Bae
Proceedings Volume 12221, 122211B (2022) https://doi.org/10.1117/12.2631007
KEYWORDS: Diagnostics, Image sensors, Sensors, Geometrical optics, Digital micromirror devices, Calibration, CCD image sensors, Maskless lithography, Micromirrors, Wavefront aberrations
Proceedings Article | 20 August 2020 Poster + Paper
Beam transformation device using total internal reflection
Proceedings Volume 11486, 114860K (2020) https://doi.org/10.1117/12.2567965
KEYWORDS: Beam shaping, Prisms, Reflection, Semiconductor lasers, Reflectivity, Mirrors, Beam propagation method, Optical simulations, Optical components
Proceedings Article | 22 August 2017 Paper
Calculation of lens alignment errors using the ray transfer matrices for the lens assembly system with an autocollimator and a rotation stage
Jiyoung Chu, Sungwhi Cho, Won Don Joo, Sangdon Jang
Proceedings Volume 10377, 103770L (2017) https://doi.org/10.1117/12.2273595
KEYWORDS: Autocollimators, Matrices, Spherical lenses, Precision lens assemblies, Optical alignment
Proceedings Article | 16 July 2001 Paper
Development of micro inchworm robot actuated by electrostrictive polymer actuator
Sunghwi Cho, Sungmoo Ryew, Jaewook Jeon, Hunmo Kim, Jaedo Nam, Hyoukryeol Choi
Proceedings Volume 4329, (2001) https://doi.org/10.1117/12.432668
KEYWORDS: Actuators, Polymers, Polymeric actuators, Electrodes, Prototyping, Carbon, Dielectrics, Electronic circuits, Robotics, Artificial muscles
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