Mr. Hiromitsu Takase Profile

Hiromitsu Takase

at EUVA

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Author

Publications (12)

Proceedings Article | 18 March 2009 Paper

Analysis of carbon deposition on multilayer mirrors by using two different beamlines

Takahiro Nakayama, Akira Miyake, Hiromitsu Takase, Shigeru Terashima, Takashi Sudo, Yutaka Watanabe, Yasuaki Fukuda

Proceedings Volume 7271, 72713P (2009) https://doi.org/10.1117/12.813587

KEYWORDS: Carbon, Extreme ultraviolet, Protactinium, Mirrors, Molecules, Adsorption, Extreme ultraviolet lithography, Synchrotron radiation, Information operations, Data modeling

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Proceedings Article | 21 March 2008 Paper

Phenomenological analysis of carbon deposition rate on the multilayer mirror

Takahiro Nakayama, Hiromitsu Takase, Shigeru Terashima, Takashi Sudo, Yutaka Watanabe, Yasuaki Fukuda, Katsuhiko Murakami, Shintaro Kawata, Takashi Aoki, Shuichi Matsunari, Yukinobu Kakutani, Masahito Niibe

Proceedings Volume 6921, 69213B (2008) https://doi.org/10.1117/12.769958

KEYWORDS: Carbon, Extreme ultraviolet, Mirrors, Protactinium, Extreme ultraviolet lithography, Multilayers, Bioalcohols, Chemical species, Coating, Oxidation

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Proceedings Article | 21 March 2008 Paper

Protection from surface oxidation of Ru capping layers for EUVL projection optics mirrors by introducing hydrocarbon gas

Keigo Koida, Masahito Niibe, Yukinobu Kakutani, Shuichi Matsunari, Takashi Aoki, Shigeru Terashima, Takahiro Nakayama, Hiromitsu Takase, Yasuaki Fukuda

Proceedings Volume 6921, 69213C (2008) https://doi.org/10.1117/12.771814

KEYWORDS: Mirrors, Reflectivity, Extreme ultraviolet, Extreme ultraviolet lithography, Bioalcohols, Carbon, Oxides, Protactinium, Oxygen, Oxidation

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Proceedings Article | 21 March 2007 Paper

Carbon deposition on multi-layer mirrors by extreme ultra violet ray irradiation

S. Matsunari, T. Aoki, K. Murakami, Y. Gomei, S. Terashima, H. Takase, M. Tanabe, Y. Watanabe, Y. Kakutani, M. Niibe, Y. Fukuda

Proceedings Volume 6517, 65172X (2007) https://doi.org/10.1117/12.710816

KEYWORDS: Carbon, Extreme ultraviolet, Mirrors, Gases, Natural surfaces, Reflectivity, Adsorption, Protactinium, Lithography, Extreme ultraviolet lithography

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Proceedings Article | 21 March 2007 Paper

Long-term durability of a Ru capping layer for EUVL projection optics by introducing ethanol

Yukinobu Kakutani, Masahito Niibe, Yoshio Gomei, Hiromitsu Takase, Shigeru Terashima, Shuichi Matsunari, Takashi Aoki, Yasuaki Fukuda

Proceedings Volume 6517, 651731 (2007) https://doi.org/10.1117/12.711364

KEYWORDS: Extreme ultraviolet, Mirrors, Reflectivity, Bioalcohols, Extreme ultraviolet lithography, Protactinium, Ruthenium, Carbon, Oxygen, Oxidation

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Proceedings Article | 24 March 2006 Paper

Study of ruthenium-capped multilayer mirror for EUV irradiation durability

Hiromitsu Takase, Shigeru Terashima, Yoshio Gomei, Masayuki Tanabe, Yutaka Watanabe, Takashi Aoki, Katsuhiko Murakami, Shuichi Matsunari, Masahito Niibe, Yukinobu Kakutani

Proceedings Volume 6151, 615135 (2006) https://doi.org/10.1117/12.657089

KEYWORDS: Silicon, Extreme ultraviolet, Ruthenium, Diffusion, Reflectivity, Protactinium, Extreme ultraviolet lithography, Oxides, Mirrors, Oxidation

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Proceedings Article | 24 March 2006 Paper

New contamination experimental equipment in the NewSUBARU and evaluation of Si-capped multilayer mirrors using it

Masahito Niibe, Yukinobu Kakutani, Shigeru Terashima, Hiromitsu Takase, Yoshio Gomei, Shuichi Matsunari, Takashi Aoki, Katsuhiko Murakami, Yasuaki Fukuda

Proceedings Volume 6151, 615134 (2006) https://doi.org/10.1117/12.656845

KEYWORDS: Extreme ultraviolet, Mirrors, Reflectivity, Contamination, Extreme ultraviolet lithography, Absorption, Carbon, Protactinium, Oxygen, In situ metrology

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Proceedings Article | 23 March 2006 Paper

Effect of residual gas atmosphere on lifetime of Ru-capped EUVL projection optics mirror

Yukinobu Kakutani, Masahito Niibe, Yoshio Gomei, Hiromitsu Takase, Shigeru Terashima, Shuichi Matsunari, Takashi Aoki, Katsuhiko Murakami, Yasuaki Fukuda

Proceedings Volume 6151, 61510H (2006) https://doi.org/10.1117/12.656240

KEYWORDS: Reflectivity, Extreme ultraviolet, Mirrors, Protactinium, Extreme ultraviolet lithography, Projection systems, Atmospheric optics, Carbon, Lithography, Oxidation

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Proceedings Article | 6 May 2005 Paper

Reflectance change of Si- and Ru-capped Mo/Si multilayer mirrors caused by intense EUV irradiation

Yukinobu Kakutani, Masahito Niibe, Hiromitsu Takase, Shigeru Terashima, Hiroyuki Kondo, Shuichi Matsunari, Takashi Aoki, Yoshio Gomei, Yasuaki Fukuda

Proceedings Volume 5751, (2005) https://doi.org/10.1117/12.599577

KEYWORDS: Reflectivity, Extreme ultraviolet, Carbon, Protactinium, Mirrors, Extreme ultraviolet lithography, Chemical species, Oxygen, Optical filtering, Oxidation

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Proceedings Article | 6 May 2005 Paper

Apparatus for contamination control development in EUVA

Takashi Aoki, Hiroyuki Kondo, Shuichi Matsunari, Hiromitsu Takase, Yoshio Gomei, Shigeru Terashima

Proceedings Volume 5751, (2005) https://doi.org/10.1117/12.600488

KEYWORDS: Carbon, Protactinium, Extreme ultraviolet, Extreme ultraviolet lithography, Silicon, Mirrors, Oxygen, Ruthenium, Oxides, Oxidation

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Proceedings Article | 6 May 2005 Paper

Characterization of capped multilayer mirrors using XPS, AES, and SIMS

Hiromitsu Takase, Yoshio Gomei, Shigeru Terashima, Hiroyuki Kondo, Takashi Aoki, Shuichi Matsunari, Masahito Niibe, Yukinobu Kakutani

Proceedings Volume 5751, (2005) https://doi.org/10.1117/12.600452

KEYWORDS: Ruthenium, Silicon, Carbon, Extreme ultraviolet lithography, Protactinium, Molybdenum, Mirrors, Oxides, Chemical analysis, Oxidation

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Proceedings Article | 18 October 2004 Paper

A reflectance measurement system for investigating radiation damage to EUVL mirrors in NewSUBARU

Yukinobu Kakutani, Masahito Niibe, Kazuya Kakiuchi, Hiromitsu Takase, Shigeru Terashima, Hiroyuki Kondo, Shuichi Matsunari, Takashi Aoki, Yoshio Gomei, Yasuaki Fukuda

Proceedings Volume 5533, (2004) https://doi.org/10.1117/12.559395

KEYWORDS: Reflectivity, Mirrors, Protactinium, Extreme ultraviolet lithography, Extreme ultraviolet, Carbon, Optical testing, Absorption, Oxygen, Gases

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Showing 5 of 12 publications

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