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Proceedings Paper

Aerial image characterization for the defects in the extreme ultraviolet mask
Author(s): Myoung-Sul Yoo; Seung-Wook Park; Jong-Hoi Kim; Yeong-Keun Kwon; Hye-Keun Oh
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Paper Abstract

Simulation has been used to predict the aerial images for masks with defect free multilayer and with defect in multilayer. Mask defects are easily produced in extreme ultraviolet lithography mask fabrication process because 40 Mo/Si multilayer films are stacked and each stack is made from 2 to 4 nm. In this case, multilayer can be stacked with defects and with slightly different heights. It is hard to achieve an aerial image which we want to get. This paper discusses various image properties when there are no defects and when there are different kinds of defects on multilayer. The results were calculated by using SOLID-EUV of Simga-C. The aerial images caused by defects on the multilayer are characterized.

Paper Details

Date Published: 20 May 2004
PDF: 9 pages
Proc. SPIE 5374, Emerging Lithographic Technologies VIII, (20 May 2004); doi: 10.1117/12.534851
Show Author Affiliations
Myoung-Sul Yoo, Hanyang Univ. (South Korea)
Seung-Wook Park, Hanyang Univ. (South Korea)
Jong-Hoi Kim, Hanyang Univ. (South Korea)
Yeong-Keun Kwon, Hanyang Univ. (South Korea)
Hye-Keun Oh, Hanyang Univ. (South Korea)


Published in SPIE Proceedings Vol. 5374:
Emerging Lithographic Technologies VIII
R. Scott Mackay, Editor(s)

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