TY - CONF AU - S Fox AU - Mario Dagenais AU - Edward Kornegay AU - Richard Silver C2 - Proceedings of SPIE, Metrology, Inspection, and Process Control for Microlithography XIII, Bhanwar Singh, Editor, Santa Clara, CA DA - 1999-06-01 LA - en M1 - 3677 PB - Proceedings of SPIE, Metrology, Inspection, and Process Control for Microlithography XIII, Bhanwar Singh, Editor, Santa Clara, CA PY - 1999 TI - Focus and Edge Detection Algorithms and Their Relevance to the Development of an Optical Overlay Calibration Standard ER -