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19 May 2011 In-die job automation for PROVE
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Proceedings Volume 8081, Photomask and Next-Generation Lithography Mask Technology XVIII; 80810L (2011) https://doi.org/10.1117/12.899779
Event: Photomask and NGL Mask Technology XVIII, 2011, Yokohama, Japan
Abstract
The increasing demands for registration metrology for repeatability, accuracy, and resolution in order to be able to perform measurements in the active area on production features have prompted the development of PROVETM, the nextgeneration registration metrology tool that utilizes 193nm illumination and a metrology stage that is actively controlled in all six degrees of freedom. PROVETM addresses full in-die capability for double patterning lithography and sophisticated inverse-lithography schemes. Innovative approaches for image analysis, such as 2D correlation, have been developed to achieve this demanding goal. In order to take full advantage of the PROVETM resolution and measurement capabilities, a direct link to the mask data preparation for job automation and marker identification is inevitable. This paper describes an integrated solution using Synopsys' CATSR for extracting and preparing tool-specific job input data for PROVE. In addition to the standard marking functionalities, CATSR supports the 2D correlation method by providing reference clips in OASIS.MASK format.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ronald J. Lesnick Jr., Stephen Kim, Matthias Waechter, Dirk Seidel, Andreas Mueller, and Dirk Beyer "In-die job automation for PROVE", Proc. SPIE 8081, Photomask and Next-Generation Lithography Mask Technology XVIII, 80810L (19 May 2011); https://doi.org/10.1117/12.899779
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