Presentation
20 September 2020 How to improve 'Chemical Stochastic' in EUV lithography
Author Affiliations +
Abstract
Extreme ultraviolet (EUV) lithography is almost ready for realize 7 nm generation manufacturing and beyond. A key factor for the realization of EUV lithography is the choice of EUV resist material that is capable of resolving below 15-nm half pitch with high sensitivity. However, the performance of EUV resist is still not enough for the true HVM requirements, even by using the qualified EUV resist materials. One critical issue is ‘Chemical stochastic’, which will be become ‘defectivity’. We report herein how to improve `chemical stochastic’ in EUV lithography.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Toru Fujimori "How to improve 'Chemical Stochastic' in EUV lithography", Proc. SPIE 11517, Extreme Ultraviolet Lithography 2020, 115170F (20 September 2020); https://doi.org/10.1117/12.2572915
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KEYWORDS
Stochastic processes

Extreme ultraviolet

Extreme ultraviolet lithography

Lithography

Materials processing

Absorption

Chemically amplified resists

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