The need for EUV lithography at advanced technology for sustainable wafer cost

Arindam Mallik; Wim Vansumere; Julien Ryckaert; Abdelkarim Mercha; Naoto Horiguchi; Steven Demuynck; Jürgen Bömmels; Tokei Zsolt; Geert Vandenberghe; Kurt Ronse; Aaron Thean; Diederik Verkest; Hans Lebon; An Steegen

doi:10.1117/12.2011528

8 April 2013 The need for EUV lithography at advanced technology for sustainable wafer cost

Arindam Mallik, Wim Vansumere, Julien Ryckaert, Abdelkarim Mercha, Naoto Horiguchi, Steven Demuynck, Jürgen Bömmels, Tokei Zsolt, Geert Vandenberghe, Kurt Ronse, Aaron Thean, Diederik Verkest, Hans Lebon, An Steegen

Author Affiliations +

Proceedings Volume 8679, Extreme Ultraviolet (EUV) Lithography IV; 86792Y (2013) https://doi.org/10.1117/12.2011528
Event: SPIE Advanced Lithography, 2013, San Jose, California, United States

Abstract

Extreme Ultra-Violet lithography (EUVL) is considered as the most promising candidate to replace optical lithography from the 14nm technology node onwards. EUVL has recently been supplanted by multiple patterning using existing 193nm immersion lithography tools for upcoming 14 nm technology node due to the current resolution limitations and production level efficiency restrictions. In this paper, a wafer cost model for technology node from 28nm down to 14nm has been developed. It identifies lithography module as the key component where innovation can be leveraged to reduce cost. The results presented in the paper reveal that wafer cost will be increased by 30% from 28nm to 20nm technology node. A 70% increase in wafer cost is foreseen during a transition from 20nm to 14nm node based on 193nm immersion lithography and multiple patterning. The cost analysis predicts a 30% wafer cost reduction by adapting EUVL at a 14 nm technology node compared to 193nm immersion technology (normalized to 28nm wafer cost). It proves that the readiness of EUVL is critical to keep scale the logic devices at the pace of Moore’s law without violating the scale of economics in semiconductor industry.

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Arindam Mallik, Wim Vansumere, Julien Ryckaert, Abdelkarim Mercha, Naoto Horiguchi, Steven Demuynck, Jürgen Bömmels, Tokei Zsolt, Geert Vandenberghe, Kurt Ronse, Aaron Thean, Diederik Verkest, Hans Lebon, and An Steegen "The need for EUV lithography at advanced technology for sustainable wafer cost", Proc. SPIE 8679, Extreme Ultraviolet (EUV) Lithography IV, 86792Y (8 April 2013); https://doi.org/10.1117/12.2011528

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