Dr. Naoki Sakaguchi Profile

Dr. Naoki Sakaguchi

at Shinhokoku Material Corp

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Author

Publications (3)

Proceedings Article | 21 November 2023 Poster + Paper

Achievement of ultimate zero thermal expansion in super invar based alloy for stable optical systems

Hiromichi Fujii, Naoki Sakaguchi, Haruyasu Ohno, Kotaro Ona

Proceedings Volume 12750, 127500T (2023) https://doi.org/10.1117/12.2686329

KEYWORDS: Alloys, Iron, Carbon, Thermal stability, Temperature metrology, Semiconductors, Manufacturing, Lithography, Heat treatments, Cryogenics

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Proceedings Article | 29 August 2022 Presentation + Paper

Low thermal expansion at cryogenic temperature in Fe39-xCo49+xCr10Ni2 alloy used for astronomical telescopes

Hiromichi T. Fujii, Naoki Sakaguchi, Kotaro Ona, Fumihiro Uraguchi, Yutaka Hayano, Toshihiko Yokoyama

Proceedings Volume 12188, 1218806 (2022) https://doi.org/10.1117/12.2626196

KEYWORDS: Iron, Magnetism, Chemical species, Temperature metrology, Cryogenics, Cobalt, Astronomical telescopes, Electrons, Infrared radiation, Ferromagnetics

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Proceedings Article | 13 December 2020 Presentation + Paper

Precise control of negative thermal expansion in stainless invar type alloy for astronomical telescopes

Hiromichi Fujii, Naoki Sakaguchi, Kotaro Ona, Yutaka Hayano, Fumihiro Uraguchi

Proceedings Volume 11451, 1145118 (2020) https://doi.org/10.1117/12.2561193

KEYWORDS: Astronomical telescopes, Infrared telescopes, Temperature metrology, Infrared astronomy, Infrared radiation, Chromium, Cryogenics, Thermography, Silica

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