Rapid thermal processing (RTP) has been widely used by the semiconductor manufacturing industry. Light-pipe radiation thermometers are the predominant method to monitor the wafer temperature during rapid thermal processing. The errors associated with light-pipe measurements are great concerns across the industry due the extreme temperature sensitivity of the processes used to fabricate semiconductor devices during rapid thermal processing. Modeling of the light-pipes has helped understand the signal transport process and errors associated with the light pipe measurements. However, due to the smaller size of the light-pipe sensor area with respect to the total system area full scale modeling of such a system including the light pipe thermometer have not been possible due to the computational demand. In this paper, a reverse Monte Carlo method is developed to model the signal transport through a light-pipe thermometer used in a RTP system. The Monte Carlo model considers the spectral and angle dependent optical properties of the chamber and quartz materials. The reverse Monte Carlo model is applied to a simpler system with a quartz light pipe probe for verification against a model developed using a forward Monte Carlo method.
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ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences
August 10–14, 2008
Jacksonville, Florida, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4847-0
PROCEEDINGS PAPER
Reverse Monte Carlo Modeling of Signal Transport in Light-Pipe Radiation Thermometers Available to Purchase
Hakan Erturk,
Hakan Erturk
Bogazici University, Istanbul, Turkey
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Ofodike A. Ezekoye,
Ofodike A. Ezekoye
University of Texas-Austin, Austin, TX
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John R. Howell
John R. Howell
University of Texas-Austin, Austin, TX
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Hakan Erturk
Bogazici University, Istanbul, Turkey
Ofodike A. Ezekoye
University of Texas-Austin, Austin, TX
John R. Howell
University of Texas-Austin, Austin, TX
Paper No:
HT2008-56180, pp. 633-640; 8 pages
Published Online:
July 7, 2009
Citation
Erturk, H, Ezekoye, OA, & Howell, JR. "Reverse Monte Carlo Modeling of Signal Transport in Light-Pipe Radiation Thermometers." Proceedings of the ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. Heat Transfer: Volume 1. Jacksonville, Florida, USA. August 10–14, 2008. pp. 633-640. ASME. https://doi.org/10.1115/HT2008-56180
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