24 March 2017 Key components technology update of the 250W high-power LPP-EUV light source
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13.5nm wavelength, CO2-Sn-LPP EUV light source which is the most promising solution for the source capable of enabling high-volume-manufacturing of semiconductor devices with critical layers patterned with sub-10nm resolution. Our source incorporates unique and original technologies such as; high power short pulse CO2 laser, short wavelength solid-state pre-pulse laser, highly stabilized droplet generator, a laser-droplet shooting control system and debris mitigation technology utilizing a strong magnetic field. In this paper we present a technology update on the key components of our 250W CO2-Sn-LPP EUV light source.
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Yasufumi Kawasuji, Krzysztof M. Nowak, Tsukasa Hori, Takeshi Okamoto, Hiroshi Tanaka, Yukio Watanabe, Tamotsu Abe, Takeshi Kodama, Hiroaki Nakarai, Taku Yamazaki, Shinji Okazaki, Takashi Saitou, Hakaru Mizoguchi, Yutaka Shiraishi, "Key components technology update of the 250W high-power LPP-EUV light source", Proc. SPIE 10143, Extreme Ultraviolet (EUV) Lithography VIII, 101432G (24 March 2017); doi: 10.1117/12.2257808; https://doi.org/10.1117/12.2257808

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