JVSS 2025
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Session Details

Oral PresentationVacuum Science Technology (VST)

[1F01-07]Vacuum Science Technology (VST)

Mon. Oct 20, 2025 9:00 AM - 11:15 AM JST
Mon. Oct 20, 2025 12:00 AM - 2:15 AM UTC
F: 202A(2F)
Chair:Yasunori Tanimoto, Kazuhiko Mase
9:00 AM - 9:30 AM JST(12:00 AM - 12:30 AM UTC)

[1F01【招待講演】]Utilization of vacuum science and technology in response to societal needs

*Akiko N. Itakura1 (1. National Institute for Materials Science)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[1F02]Hybrid Laser Welding of 0.2% Be-Cu Alloy for Ultra-High Vacuum Systems

*Takao Nakamura1, Masanao Sasaki2, Kazunai Okahashi2, Shinsuke Kishikawa2, Masahide Kuroiwa2 (1. Mie University, 2. Tokyo Electronics Co., Ltd.)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[1F03]Effect of atmospheric exposure and re-activation on vacuum characteristics of Ti-Zr-V type non-evaporable getter (NEG) coatings

*Takashi Shiga1,2, Junichiro Kamiya2, Kaoru Wada1, Toru Yanagibashi3 (1. TOKYO ELECTRONICS CO., LTD, 2. Japan Atomic Energy Agency, 3. NAT Corporation)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[1F04]Numerical analysis of rarefied gas flow in a turbomolecular pump using a model Boltzmann equation

*Shun Otani1,2,3, Hiroshi Sugimoto1,2,3, Ayako Miki1,2,3, Maika Itou1,2,3 (1. Kyoto University, 2. Graduate School of Engineering, 3. Department of Aeronautics and Astronautics)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[1F05]Experimental study of Crookes Radiometer with uniform-temperature vanes

*Yuma Takami1,2,3, Hiroshi Sugimoto1,2,3 (1. Kyoto University, 2. Graduate School of Engineering, 3. Department of Aeronautics and Astronautics)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[1F06]Evaluation of Spinning Rotor Gauges for Metrological Applications: Different types of SRG and ISO Calibration Methods

*Yoshinori Takei1, Hajime Yoshida1 (1. AIST (National Institute of Advanced Industrial Science and Technology))
10:45 AM - 11:15 AM JST(1:45 AM - 2:15 AM UTC)

[1F07【産業賞】]国際規格を満たす真空計・ヘリウム校正リークの校正技術の確立

*Tomoaki Takei1, Munenori Suzuki2, Yuuna Matsuki1 (1. Measurement Section,Vacuum Equipment Department,Production Management Headquarters,ULVAC TECHNO,Ltd., 2. Vacuum & Cryogenics, Advanced Technology Development, Components Business Unit, ULVAC, Inc.)
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