Noncyclic scheduling of cluster tools with a branch and bound algorithm
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 …
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 …
manufacturing. They consist of several processing modules (PMs) and a transportation …
Scheduling cluster tools with ready time constraints for consecutive small lots
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 …
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
Cluster tools have been extensively used for many semiconductor manufacturing processes
such as lithograph, etching, deposition, and testing. Most previous studies on cluster tool …
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
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 …
is crucial to increase their productivity by their effective operation. With structural complexity …
Scheduling cluster tools for concurrent processing of two wafer types
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 …
in a cyclic operational sequence. Whereas the process steps for different wafer types are …
Scheduling transient periods of dual-armed cluster tools
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 …
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
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 …
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
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 …
from processing one lot of wafers to another frequently. This leads to more transient periods …
Scheduling dual-armed cluster tools with cleaning processes
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 …
have been processed. Such cleaning processes are intended to reduce the quality risk due …
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