A fresh look at the cell-wise process effect corrections

Dmitri Lapanik

doi:10.1117/12.688731

20 October 2006 A fresh look at the cell-wise process effect corrections

Dmitri Lapanik

Proceedings Volume 6349, Photomask Technology 2006; 63491R (2006) https://doi.org/10.1117/12.688731
Event: SPIE Photomask Technology, 2006, Monterey, California, United States

Abstract

With moving from one process node to another, process effect corrections are becoming a very challenging task. High quality models, long run times and extensively large computer resources are needed to perform a typical modern process effect correction procedure. Since the patterns that form IC layouts are highly repetitive, all the modern process correction algorithms try to take advantage of this fact to decrease processing time and computer resources requirements. However, currently used high accuracy process effect correction algorithms are becoming less and less advantageous because of the increasing relative non-locality of the process effects. In this paper, we investigate the feasibility of a simpler approach called "cell-wise corrections". We propose a recipe for the cell-wise process effect correction and analyze its accuracy using a 65 nm test layout. The recipe is fully automated and implemented using a commercially available OPC tool. The analysis reveals good accuracy and feasibility of our approach.

Citation Download Citation

Dmitri Lapanik "A fresh look at the cell-wise process effect corrections", Proc. SPIE 6349, Photomask Technology 2006, 63491R (20 October 2006); https://doi.org/10.1117/12.688731

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