Performance analysis of a rapid thermal processor via physics-based modeling and convex optimization

Su-Jung Kim, S. B. Kang, S. Y. Hyun, Y. Cho, Jae Dong Chung, J. S. Lee, C. Jung, Y. Choi, K. Jung
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引用次数: 3

Abstract

Rapid thermal processing (RTP) is a key fabrication technology in the advanced cluster tool. Ever-decreasing feature sizes require extremely tight process control, which rely on a good chamber design. The empirical approach to the RTP design has its own limitations in two areas, although widely adopted and successful in delivering necessary performance specifications: (1) reduction in time-to-market and development cost and (2) quantification of performance limits. With the advent of powerful computing resources at relatively low cost, a model-based approach provides an alternative and has better chance to achieve optimal design by virtue of its capability to quantify performance limits at minimal time and cost. In an effort to realize the model-based approach, a physics-based model is derived and validated against experimental data. With a predictive model available, the performances of an RTP design are analyzed via convex optimization to qualify an RTP design, which also serves as a basis for control implementation once the RTP design parameters are set.
基于物理建模和凸优化的快速热处理器性能分析
快速热加工(RTP)是先进集束刀具的关键制造技术。不断减小的特征尺寸需要极其严格的过程控制,这依赖于良好的腔室设计。虽然RTP设计的经验方法在提供必要的性能规范方面被广泛采用并取得了成功,但它在两个方面有其局限性:(1)缩短上市时间和开发成本;(2)量化性能限制。随着成本相对较低的强大计算资源的出现,基于模型的方法提供了另一种选择,并且由于能够以最小的时间和成本量化性能限制,因此更有可能实现最佳设计。为了实现基于模型的方法,推导了一个基于物理的模型,并根据实验数据进行了验证。在预测模型可用的情况下,通过凸优化分析RTP设计的性能,以确定RTP设计的质量,并在设定RTP设计参数后作为控制实施的基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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