Integrated DFM framework for dynamic yield optimization

Fedor G. Pikus

doi:10.1117/12.686440

20 October 2006 Integrated DFM framework for dynamic yield optimization

Fedor G. Pikus

Proceedings Volume 6349, Photomask Technology 2006; 63490F (2006) https://doi.org/10.1117/12.686440
Event: SPIE Photomask Technology, 2006, Monterey, California, United States

Abstract

We present a new methodology for a balanced yield-optimization and a new DFM framework which implements it. Our approach allows designers to dynamically balance multiple factors contributing to yield loss and select optimal combination of DFM enhancements based on the current information about the IC layout, the manufacturing process, and known causes of failures. We bring together the information gained from layout analysis, layout-aware circuit analysis, resolution enhancement and optical proximity correction tools, parasitics extraction, timing estimates, and other tools, to suggest the DFM solution which is optimized within the existing constraints on design time and available data. The framework allows us to integrate all available sources of yield information, characterize and compare proposed DFM solutions, quickly adjust them when new data or new analysis tools become available, fine-tune DFM optimization for a particular design and process and provide the IC designer with a customized solution which characterizes the manufacturability of the design, identifies and classifies areas with the most opportunities for improvement, and suggests DFM improvements. The proposed methodology replaces the ad-hoc approach to DFM which targets one yield loss cause at the expense of other factors with a comprehensive analysis of competing DFM techniques and trade-offs between them.

Citation Download Citation

Fedor G. Pikus "Integrated DFM framework for dynamic yield optimization", Proc. SPIE 6349, Photomask Technology 2006, 63490F (20 October 2006); https://doi.org/10.1117/12.686440

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