Noncyclic scheduling of cluster tools with a branch and bound algorithm

HJ Kim, JH Lee, TE Lee - IEEE Transactions on Automation …, 2013 - ieeexplore.ieee.org
Cluster tools, each of which consists of multiple processing modules, one material handling
robot, and loadlocks, are widely used for wafer fabrication processes, such as lithography …

An efficient mixed integer programming model based on timed Petri nets for diverse complex cluster tool scheduling problems

C Jung, TE Lee - IEEE Transactions on Semiconductor …, 2011 - ieeexplore.ieee.org
Cluster tools are automated production cells which are largely used for semiconductor
manufacturing. They consist of several processing modules (PMs) and a transportation …

Scheduling cluster tools with ready time constraints for consecutive small lots

HJ Kim, JH Lee, C Jung, TE Lee - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
In the semiconductor manufacturing industry, the lot size currently tends to be extremely
small, even being only 5-8 wafers, whereas conventional lots have 25 identical wafers. The …

Optimal scheduling of transient cycles for single-armed cluster tools with parallel chambers

DK Kim, TE Lee, HJ Kim - IEEE Transactions on Automation …, 2015 - ieeexplore.ieee.org
Cluster tools have been extensively used for many semiconductor manufacturing processes
such as lithograph, etching, deposition, and testing. Most previous studies on cluster tool …

Optimal scheduling of complex multi-cluster tools based on timed resource-oriented Petri nets

Q Zhu, N Wu, Y Qiao, M Zhou - IEEE Access, 2016 - ieeexplore.ieee.org
Complex multi-cluster tools have been extensively used in semiconductor manufacturing. It
is crucial to increase their productivity by their effective operation. With structural complexity …

Scheduling cluster tools for concurrent processing of two wafer types

JH Lee, HJ Kim, TE Lee - IEEE Transactions on Automation …, 2014 - ieeexplore.ieee.org
We examine a scheduling problem of cluster tools that concurrently process two wafer types
in a cyclic operational sequence. Whereas the process steps for different wafer types are …

Scheduling transient periods of dual-armed cluster tools

JH Lee, HJ Kim, TE Lee - 2012 IEEE International Conference …, 2012 - ieeexplore.ieee.org
Modern semiconductor manufacturing industry tends to reduce the lot size; that is, a lot has a
small number of identical wafers, because of demands for small lots and an increased die …

Optimal scheduling for sequentially connected cluster tools with dual-armed robots and a single input and output module

DK Kim, HJ Kim, TE Lee - International Journal of Production …, 2017 - Taylor & Francis
We examine a cyclic scheduling problem of sequentially connected cluster tools with a
single input and output module, which includes multi-cluster tools and linear cluster tools …

Scheduling and control of startup process for single-arm cluster tools with residency time constraints

Y Qiao, MC Zhou, NQ Wu… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Due to the trends of larger wafer diameters and smaller lot sizes, cluster tools need to switch
from processing one lot of wafers to another frequently. This leads to more transient periods …

Scheduling dual-armed cluster tools with cleaning processes

H Kim, HJ Kim, JH Lee, TE Lee - International Journal of …, 2013 - Taylor & Francis
Modern cluster tools tend to clean the chambers each time a specified number of wafers
have been processed. Such cleaning processes are intended to reduce the quality risk due …