Virtual metrology for enabling zero-defect manufacturing: a review and prospects

Y Zhang, L Li, Q Yu - The International Journal of Advanced Manufacturing …, 2024 - Springer
The ultimate objective of “Zero-Defect Manufacturing,” as a new growth step of Industry 4.0,
is to significantly increase product yield and eventually accomplish zero-defect. For product …

[HTML][HTML] Plasma heating characterization of the large area inductively coupled plasma etchers with the plasma information for managing the mass production

S Park, Y Park, J Seong, H Lee, N Bae, K Roh… - Physics of …, 2024 - pubs.aip.org
Meter-scale of the large area inductively coupled plasma etchers with the capacitive power
coupling are widely applied for the mass production of OLED (organic light emitting diode) …

Effect of heavy inert ion strikes on cell density-dependent profile variation and distortion during the etching process for high-aspect ratio features

H Kwon, I Won, S Han, DH Yu, DC Kwon, YH Im… - Physics of …, 2022 - pubs.aip.org
Vertical scaling technique faces a physical limitation in 3D NAND device fabrication, even
assuming superior etching technology. Another promising scaling technique to increase the …

Artificial-Neural-Network-Driven Innovations in Time-Varying Process Diagnosis of Low-K Oxide Deposition

S Lee, Y Park, P Liu, M Kim, HU Kim, T Kim - Sensors, 2023 - mdpi.com
To address the challenges in real-time process diagnosis within the semiconductor
manufacturing industry, this paper presents a novel machine learning approach for …

Understanding and improving virtual metrology systems using Bayesian methods

CI Lang, FK Sun, R Veerasingam… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Virtual Metrology (VM) is a method for monitoring semiconductor fabrication processes that
estimates key device properties using sensor information recorded during processing. While …

Data-driven plasma science based plasma etching process design in OLED mass production referring to PI-VM

S Park, J Seong, Y Park, Y Noh, H Lee… - Plasma Physics and …, 2024 - iopscience.iop.org
The production efficiencies of organic light emitting diode (OLED) displays and
semiconductor manufacturing have been dramatically improving with the help of plasma …

Application of Plasma Information-Based Virtual Metrology (PI-VM) for Etching in C4F8/Ar/O2 Plasma

G Kim, JW Kwon, I Lee, H Seo, JB Park… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This study developed Plasma Information-based Virtual Metrology (PI-VM) to predict etching
process results and analyze process phenomena. Using a dual-frequency capacitively …

Observation of the floating sheath distribution on Al2O3 and silicon targets adjacent to a DC biased metal substrate

N Bae, NK Kim, H Lee, Y Jang, S Park, GH Kim - Current Applied Physics, 2024 - Elsevier
This study investigated the effect of plasma charging of the dielectric materials on the
floating sheath distribution. The sheath measurements were conducted with two targets with …

Part-Level Fault Classification of Mass Flow Controller Drift in Plasma Deposition Equipment

MH Kim, HE Sim, SJ Hong - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Semiconductor manufacturing processing can be jeopardized due to process fluctuations,
and the degradation of equipment parts can significantly influence process variation. Timely …

Equipment Condition Monitoring of Multiple Oxide-Nitride Stack Layer Deposition Process

MH Kim, SJ Hong - IEEE Transactions on Semiconductor …, 2023 - ieeexplore.ieee.org
For the 3D NAND memory, the higher oxide/nitride (ON) stacked dielectric is preferred to
enhance the storage capacity, and multi-layer dielectric requirements, such as thickness …