Optics for ASML's NXE:3300B platform

Martin Lowisch; Peter Kuerz; Olaf Conradi; Gero Wittich; Wolfgang Seitz; Winfried Kaiser

doi:10.1117/12.2012158

1 April 2013 Optics for ASML's NXE:3300B platform

Martin Lowisch, Peter Kuerz, Olaf Conradi, Gero Wittich, Wolfgang Seitz, Winfried Kaiser

Proceedings Volume 8679, Extreme Ultraviolet (EUV) Lithography IV; 86791H (2013) https://doi.org/10.1117/12.2012158
Event: SPIE Advanced Lithography, 2013, San Jose, California, United States

Abstract

Shipping in 2013, the NXE:3300 is the second generation of ASML’s EUV exposure platform. We review the current status of EUV optics production for the NXE:3300 tools. Four customer systems of the Starlith^TM3300 series have been delivered so far. These sets of optics are characterized by a numerical aperture of 0.33 as well as significantly lower flare and wave-front levels compared to the Starlith^TM3100. Meanwhile imaging down to 14 nm node features was demonstrated with the Starlith^TM3300 pilot optics. Starting with this generation we introduce a fully new illumination system which allows for setting changes without efficiency loss. In this paper we focus on mirror fabrication and at wavelength qualification results of the optical systems produced so far. We also give an outline of potential solutions for the next generation of EUVL optics using higher NA.

Citation Download Citation

Martin Lowisch, Peter Kuerz, Olaf Conradi, Gero Wittich, Wolfgang Seitz, and Winfried Kaiser "Optics for ASML's NXE:3300B platform", Proc. SPIE 8679, Extreme Ultraviolet (EUV) Lithography IV, 86791H (1 April 2013); https://doi.org/10.1117/12.2012158

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