Industry survey of automatic defect classification technologies, methods, and performance

Kenneth W. Tobin Jr.; Fred Lakhani; Thomas P. Karnowski

doi:10.1117/12.475640

12 July 2002 Industry survey of automatic defect classification technologies, methods, and performance

Kenneth W. Tobin Jr., Fred Lakhani, Thomas P. Karnowski

Proceedings Volume 4692, Design, Process Integration, and Characterization for Microelectronics; (2002) https://doi.org/10.1117/12.475640
Event: Design, Process Integration, and Characterization for Microelectronics, 2002, Santa Clara, CA, United States

Abstract

To be productive and profitable in a modern semiconductor fabrication environment, large amounts of manufacturing data must be collected, analyzed, and maintained. This data is increasingly being used to design new processes, control and maintain tools, and to provide the information needed for rapid yield learning and prediction. Towards this end, a significant level of investment has been made over the past decade to bring to maturity viable technologies for Automatic Defect Classification (ADC) as a means of automating the recognition and analysis of defect imagery captured during in-line inspection and off-line review. ADC has been developed to provide automation of the tedious manual inspection processes associated with defect review. Although significant advances have been achieved in the capabilities of ADC systems today, concerns continue to persist regarding effective integration, maintenance, and usability of commercial ADC technologies. During the summer of 2001, the Oak Ridge National Laboratory and International SEMATECH performed an industry survey of eight major semiconductor device manufacturers to address the issues of ADC integration, usability, and maintenance for the various in-line inspection and review applications available today. The purpose of the survey was to determine and prioritize those issues that inhibit the effective adoption, integration, and application of ADC technology in today's fabrication environment. In this paper, we will review the various ADC technologies available to the semiconductor industry today and discus the result of the survey.

Citation Download Citation

Kenneth W. Tobin Jr., Fred Lakhani, and Thomas P. Karnowski "Industry survey of automatic defect classification technologies, methods, and performance", Proc. SPIE 4692, Design, Process Integration, and Characterization for Microelectronics, (12 July 2002); https://doi.org/10.1117/12.475640

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