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Proceedings Paper

If it moves, simulate it!
Author(s): Andrew Neureuther
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Paper Abstract

In the last 35 years modeling of projection printing has undergone many paradigm shifts in physical models, computational engines, algorithms and opportunities. The trigger event for the first quantitative positive resist Dill model was the development and application of automated thin-film measurement equipment. The use of partial coherence which helps imaging also complicates the understanding and necessitates the use of simulation to guide lithography practice. Simulation has also played an important role in discovery (intensity imbalance in phase-shifting masks), invention (self-interferometric mask monitors) and creation of analysis techniques (first-cut accurate fast-CAD). The current challenges and growth areas for simulation include calibration, synergy with metrology, electronic self-testing and linking circuit design and fabrication.

Paper Details

Date Published: 23 April 2008
PDF: 15 pages
Proc. SPIE 6924, Optical Microlithography XXI, 692402 (23 April 2008); doi: 10.1117/12.782310
Show Author Affiliations
Andrew Neureuther, UC Berkeley (United States)


Published in SPIE Proceedings Vol. 6924:
Optical Microlithography XXI
Harry J. Levinson; Mircea V. Dusa, Editor(s)

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