Toward realization of high-throughput hyperspectral imaging technique for semiconductor device metrology

C Yoon, G Park, D Han, S Im, S Jo… - Journal of Micro …, 2022 - spiedigitallibrary.org
Background: High-throughput three-dimensional metrology techniques for monitoring in-
wafer uniformity (IWU) and in-cell uniformity (ICU) are critical for enhancing the yield of …

Multi spectral holographic ellipsometry for a complex 3D nanostructure

J Jung, W Kim, J Kim, S Lee, I Shin, C Yoon… - Optics …, 2022 - opg.optica.org
We present an innovative ellipsometry technique called self-interferometric pupil
ellipsometry (SIPE), which integrates self-interference and pupil microscopy techniques to …

A new approach in optical metrology with multi-angle information through self-interferometric ellipsometry

W Kim, J Jung, J Kim, I Shin, N Kim… - … Optical Metrology IV, 2021 - spiedigitallibrary.org
An innovative self-interferometric pupil ellipsometry (SIPE) has been demonstrated to
overcome the spectral sensitivity and throughput limitations for optical critical dimensions …

Sensitivity and repeatability performance on overlay and CD measurement by incorporating hologram based ellipsometry

Y Hidaka, J Kim, J Jung, M Numata… - Metrology …, 2022 - spiedigitallibrary.org
A recently introduced novel concept ellipsometry, characterized by its unique derivation
process of directly extracting the polarization information from the hologram image on pupil …

Improving the accuracy and precision of OCD measurement by systematic error correction in self-interference pupil ellipsometry

S Lee, Y Park, S Lee, H Chang, J Jung… - Optical …, 2023 - spiedigitallibrary.org
To achieve high accuracy and precision in optical metrology for advanced semiconductors, it
is crucial to identify and compensate for errors from optical components and environmental …

Mueller matrix metrology with multi-angle information using multiple self-interference

G Choi, J Kim, D Han, YU **, S Hwang… - Metrology …, 2023 - spiedigitallibrary.org
An innovative metrology technique has been devised to address current limitations of optical
critical dimension (OCD) in advanced semiconductor metrology. This technique is based on …