Plasma information-based virtual metrology (PI-VM) and mass production process control

S Park, J Seong, Y Jang, HJ Roh, JW Kwon… - Journal of the Korean …, 2022 - Springer
In this paper, we review the development of plasma engineering technology that improves
dramatically the production efficiency of OLED (organic light-emitting diode) displays and …

Characteristics of a plasma information variable in phenomenology-based, statistically-tuned virtual metrology to predict silicon dioxide etching depth

Y Jang, HJ Roh, S Park, S Jeong, S Ryu, JW Kwon… - Current Applied …, 2019 - Elsevier
A phenomenology-based virtual metrology (VM) for monitoring SiO 2 etching depth was
proposed by Park (2015). It achieved high prediction accuracy by introducing newly …

Application of PI-VM for management of the metal target plasma etching processes in OLED display manufacturing

S Park, T Cho, Y Jang, Y Noh, Y Choi… - Plasma Physics and …, 2018 - iopscience.iop.org
Generation of the defect particles during the plasma-assisted metal dry etching process is
induced by the various mechanisms. Most of these mechanisms are caused by the non …

Cause analysis of the faults in HARC etching processes by using the PI‐VM model for OLED display manufacturing

S Park, Y Kyung, J Lee, Y Jang, T Cha… - Plasma Processes …, 2019 - Wiley Online Library
High‐aspect ratio contact (HARC) etching is a bottleneck step of the high‐definition organic
light emitting diode (OLED) display manufacturing processes. HARC process is frequently …

Role of Features in Plasma Information Based Virtual Metrology (PI-VM) for SiO2 Etching Depth

YC Jang, SH Park, SM Jeong, SW Ryu… - Journal of the …, 2019 - koreascience.kr
We analyzed how the features in plasma information based virtual metrology (PI-VM) for SiO
2 etching depth with variation of 5% contribute to the prediction accuracy, which is …

RETRACTED ARTICLE: Optimization of plasma etch rate of deposited thin films by adaptive neuro fuzzy inference system

N Petrovic - The International Journal of Advanced Manufacturing …, 2022 - Springer
The main goal of the study is to make an optimization algorithm for plasma etch rate of
deposited thin films by adaptive neuro fuzzy inference system (ANFIS). ANFIS represent a …

[PDF][PDF] Simulation and experiments of optical emission

FJT Arellano - 2024 - ir.library.osaka-u.ac.jp
Optical emission spectroscopy (OES) is a highly valuable tool for real-time monitoring of
plasma properties due to its non-intrusive and versatile nature. However, utilizing OES for …

GaN LEDs fabricated using SF6 plasma RIE

W Khan, X Bi, B Fan, W Li - Micro & Nano Letters, 2018 - Wiley Online Library
In this work, the authors report a cost‐effective fabrication method for making gallium nitride
(GaN) light emitting diode (LED) arrays using SF6 plasma in a conventional reactive‐ion …

[图书][B] Implantable Optical Neuro Stimulators with Wireless Power and Data Telemetry

WA Khan - 2020 - search.proquest.com
Neural interfaces provide a direct communication pathway between nervous systems and
the external environment. Clinical and therapeutic treatments for neurological diseases and …