A survey of run-to-run control for batch processes

K Liu, YQ Chen, T Zhang, S Tian, X Zhang - ISA transactions, 2018 - Elsevier
Abstract Run-to-run (R2R) control is widely used in semiconductor manufacturing systems to
minimize the process drift, shift and variability. The R2R controller adjusts control actions or …

Integrating feedback control and run-to-run control in multi-wafer thermal atomic layer deposition of thin films

Y Zhang, Y Ding, PD Christofides - Processes, 2019 - mdpi.com
There is currently a lack of understanding of the deposition profile in a batch atomic layer
deposition (ALD) process. Also, no on-line control scheme has been proposed to resolve the …

Fast and precise temperature control for a semiconductor vertical furnace via heater-cooler integration

W Ohnishi, A Hirata, R Shibatsuji… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Semiconductor vertical furnaces must achieve even faster and more precise temperature
control due to the demand for ever-reducing the minimum feature size or critical dimension …

GAGAN: Global Attention Generative Adversarial Networks for Semiconductor Advanced Process Control

HH Hsiao, KJ Wang - IEEE Transactions on Semiconductor …, 2023 - ieeexplore.ieee.org
This paper addresses the quality control of the photolithography process in the
semiconductor industry. Overlay errors in the process seriously affect the wafer yield, and …

A multi-step wafer-level run-to-run controller with sampled measurements for furnace deposition and CMP process flows: APC: Advanced process control

Y Sun, J Reichelt, T Bormann… - 2016 27th Annual SEMI …, 2016 - ieeexplore.ieee.org
This paper describes a multi-step Run-to-Run controller design for a class of furnace
deposition and CMP process flows. The wafer-to-wafer thickness variation introduced by the …

Time-Optimal Temperature Control via Binary Search in Semiconductor Vertical Furnace

CM Budiono, W Ohnishi, T Koseki… - IECON 2023-49th …, 2023 - ieeexplore.ieee.org
Semiconductor vertical furnaces are used in the semiconductor manufacturing process to
perform deposition and oxidation on wafers. To increase the equipment throughput, a …

Run-to-run control of thermal atomic layer deposition

Y Zhang, Y Ding, Z Wu… - 2020 28th Mediterranean …, 2020 - ieeexplore.ieee.org
This work focuses on the development of a computational fluid dynamic (CFD) model of a
batch atomic layer deposition (ALD) process and an associated run-to-run control scheme …

Feed-Forward Run-to-Run Process Control Based on Device Array Density for LPCVD Furnace Processes

PK Bharatan, F Sellidj - 2024 35th Annual SEMI Advanced …, 2024 - ieeexplore.ieee.org
Furnace LPCVD processes have been used in Semiconductor Industry to enable high
aspect ratio film deposition and for high throughput through batching of multiple lots and …

[图书][B] Multiscale Computational Fluid Dynamics Modeling of Thermal and Plasma Atomic Layer Deposition: Application to Chamber Design and Process Control

Y Zhang - 2021 - search.proquest.com
Facilitated by the increasing importance and demand of semiconductors for the smart phone
and even the automobile industry, thermal atomic layer deposition (ALD) has gained …

R2R Based Alternating Direction Method of Multi-Parameter Control Strategy

H Huang, J Ma, C Xu - 2021 China Semiconductor Technology …, 2021 - ieeexplore.ieee.org
In semiconductor industry, run-to-run (R2R) can strongly improve process performance by
adjusting process parameters. Based on R2R algorithm, Alternating Direction Method is …