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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2509.15767 |
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| _version_ | 1866918144292945920 |
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| author | Andelfinger, Philipp Bi, Jieyi Zhu, Qiuyu Zhou, Jianan Zhang, Bo Zhang, Fei Fei Chan, Chew Wye Gan, Boon Ping Cai, Wentong Zhang, Jie |
| author_facet | Andelfinger, Philipp Bi, Jieyi Zhu, Qiuyu Zhou, Jianan Zhang, Bo Zhang, Fei Fei Chan, Chew Wye Gan, Boon Ping Cai, Wentong Zhang, Jie |
| contents | In manufacturing, capacity planning is the process of allocating production resources in accordance with variable demand. The current industry practice in semiconductor manufacturing typically applies heuristic rules to prioritize actions, such as future change lists that account for incoming machine and recipe dedications. However, while offering interpretability, heuristics cannot easily account for the complex interactions along the process flow that can gradually lead to the formation of bottlenecks. Here, we present a neural network-based model for capacity planning on the level of individual machines, trained using deep reinforcement learning. By representing the policy using a heterogeneous graph neural network, the model directly captures the diverse relationships among machines and processing steps, allowing for proactive decision-making. We describe several measures taken to achieve sufficient scalability to tackle the vast space of possible machine-level actions.
Our evaluation results cover Intel's small-scale Minifab model and preliminary experiments using the popular SMT2020 testbed. In the largest tested scenario, our trained policy increases throughput and decreases cycle time by about 1.8% each. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_15767 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Learning to Optimize Capacity Planning in Semiconductor Manufacturing Andelfinger, Philipp Bi, Jieyi Zhu, Qiuyu Zhou, Jianan Zhang, Bo Zhang, Fei Fei Chan, Chew Wye Gan, Boon Ping Cai, Wentong Zhang, Jie Machine Learning In manufacturing, capacity planning is the process of allocating production resources in accordance with variable demand. The current industry practice in semiconductor manufacturing typically applies heuristic rules to prioritize actions, such as future change lists that account for incoming machine and recipe dedications. However, while offering interpretability, heuristics cannot easily account for the complex interactions along the process flow that can gradually lead to the formation of bottlenecks. Here, we present a neural network-based model for capacity planning on the level of individual machines, trained using deep reinforcement learning. By representing the policy using a heterogeneous graph neural network, the model directly captures the diverse relationships among machines and processing steps, allowing for proactive decision-making. We describe several measures taken to achieve sufficient scalability to tackle the vast space of possible machine-level actions. Our evaluation results cover Intel's small-scale Minifab model and preliminary experiments using the popular SMT2020 testbed. In the largest tested scenario, our trained policy increases throughput and decreases cycle time by about 1.8% each. |
| title | Learning to Optimize Capacity Planning in Semiconductor Manufacturing |
| topic | Machine Learning |
| url | https://arxiv.org/abs/2509.15767 |