Search Results 1-20 of 193

中村 俊夫 , 南 雅代 , 小田 寛貴 , 池田 晃子 , 山根 雅子 , 西田 真砂美 , 若杉 勇輝 , 佐藤 里名 , 澤田 陸 , 酢屋 徳啓 , 北川 浩之 , Nakamura Toshio , Minami Masayo , Oda Hirotaka , Ikeda Akiko , Yamane Masako , Nishida Masami , Wakasugi Yuki , Sato Rina , Sawada Hitoshi , Suya Noriyoshi , Kitagawa Hiroyuki

… The problems of the AMS system in 2019/20 are; … (2) A differential pumping unit (a dry pump, MUP-015-2) in the ion source looked wrong, because attaining the high vacuum in the ion source after target exchange took more time than normal condition. … It took a shorter time but the attainable high vacuum level in the ion source was no big difference than before; …

名古屋大学年代測定研究 (4), 63-71, 2020-06

IR  DOI 

Araki Mihoko , Tono Kensuke , Yabashi Makina , Matsuda Iwao , Meikaku Junji , Kubota Yuya , Miyawaki Jun , Kosegawa Yuka , El Moussaoui Souliman , Bouillaud Thomas , Manset Paul , Owada Shigeki

… <p>We developed the ellipsometer unit with a switchable mirror holder that can mount two mirrors and switch them without breaking vacuum. … The vacuum unit, combined with a differential pumping rotary flange, rotates smoothly with the help of two roll-stands, keeping the optical path stable during an experiment of ellipsometry. … The system allows one to efficiently make the measurement at two different photon energies of soft X-ray. …

e-Journal of Surface Science and Nanotechnology 18(0), 231-234, 2020

J-STAGE 

KAMIYA Junichiro , KINSHO Michikazu , OGIWARA Norio , SAKURAI Mitsuru , MABUCHI Takuya , WADA Kaoru

… Challenges for achieving an ultrahigh vacuum (UHV) region in the beam line come from the large static and dynamic outgassing. … In the RCS vacuum system, turbomolecular pump was taken up as main pump because it can evacuate such continuous and additional outgassing with a large pumping speed in the wide pressure range. …

Vacuum and Surface Science 62(8), 476-485, 2019

J-STAGE 

TAMURA Shota , SUGIMOTO Hiroshi

… The feasibility of the pumping system driven by low-grade waste heats is also demonstrated.<br> …

Journal of the Vacuum Society of Japan 60(12), 481-483, 2017

J-STAGE 

KAMIYA Junichiro

…  For vacuum systems in high-power proton accelerators, compared with those in conventional particle accelerators, there are more challenging requirements in addition to their basic role owing to the existence of a large number of high-energy protons, rapid cycling of the magnetic field, and high radioactivation. …

Journal of the Vacuum Society of Japan 59(8), 213-221, 2016

J-STAGE 

SUETSUGU Yusuke , SHIBATA Kyo , ISHIBASHI Takuya , SHIRAI Mitsuru , TERUI Shinji

… The construction of the new vacuum system for the SuperKEKB has been ongoing since 2010. … The target vacuum pressure in the main ring is on the order of 10⁻⁷ … Therefore, the distributed pumping scheme is adopted to effectively evacuate the beam pipes. … A linear pumping speed of approximately 0.1 m³ …

Journal of the Vacuum Society of Japan 59(4), 100-104, 2016

J-STAGE 

中村 俊夫 , 南 雅代 , 小田 寛貴 , 池田 晃子 , 箱崎 真隆 , 城森 由佳 , 太田 友子 , 西田 真砂美 , 池盛 文数 , 園田 圭佑 , 冨山 慎二 , 椋本 ひかり , Nakamura Toshio , Minami Masayo , Oda Hirotaka , Ikeda Akiko , Hakozaki Masataka , Jyomori Yuka , Ohta Tomoko , Nishida Masami , Ikemori Kazufumi , Kunita Keisuke , Tomiyama Shinji , Mukumoto Hikari

… An AMS system (Model 4130-AMS) dedicated to 14C measurements, built by High Voltage Engineering Europe (HVEE), B.V., The Netherlands, was delivered to Nagoya University in 1996/97. … We briefly describe the maintenance processes and application results of the AMS system in 2014. …

名古屋大学加速器質量分析計業績報告書 (26), 17-22, 2015-03

IR  DOI 

TAKAHASHI Kazue

…   An evacuation process from atmospheric pressure to an extremely low pressure involves four stages: removal of volume gas in a vacuum chamber, outgassing of gas adsorbed on the chamber surface, release of gas diffused to the surface from the inside of the chamber wall, and release of hydrogen gas permeated through the chamber wall. …

Journal of the Vacuum Society of Japan 58(8), 292-298, 2015

J-STAGE 

Kikawada Shigeru , Uimonen Jyrki , Lahitnen Jussi

ランテックシステムズ社（フィンランド）は，真空システムにおける従来の運転方法にこだわらず，新たな方法を採用することによって省エネが劇的に達成することが可能なケースがあることを提案する。それは，機械（ハード）自体のエネルギー効率の向上だけではなく，運転方法（ソフト）と融合することにある。<BR>製紙工場では，既存の装置を使って省エネ対策でハードとソフトの融合を試されたことがあるかもしれな …

JAPAN TAPPI JOURNAL 68(5), 519-524, 2014

J-STAGE 

SATO Yoshihiro , TAKADA Satoshi , OMORI Takao , KIMURA Nobuhiro , SUZUKI Toshikazu , SAITO Yoshio

… However, some of the plastomers are often installed in vacuum system, where their low electrical- and thermal-conductivity are required. … The rate of sheet, being after several tens hour pumping, shows rapid decrease. … The effect of bake-out degassing in vacuum is also examined for bulk plastomers.<br> …

Journal of the Vacuum Society of Japan 56(10), 422-424, 2013-10-10

J-STAGE  References (4)