TY - CONF AU - Silver, Richard AU - Doiron, Theodore AU - Penzes, William AU - Fox, S AU - Kornegay, Edward AU - Rathjen, S AU - Takac, M AU - Owen, D 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 - Two-Dimensional Calibration Artifact and Measurement Methodology ER -