Search Results 1-20 of 72

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  • Status and Applications of a Tandetron AMS System at Nagoya University in 2018  [in Japanese]

    中村 俊夫 , 南 雅代 , 増田 公明 , 小田 寛貴 , 三宅 芙紗 , 池田 晃子 , 栗田 直幸 , 山根 雅子 , 西田 真砂美 , 佐藤 里名 , 酢屋 徳啓 , 北川 浩之 , Nakamura Toshio , Minami Masayo , Masuda Kimiaki , Oda Hirotaka , Miyake Fusa , Ikeda Akiko , Kurita Naoyuki , Yamane Masako , Nishida Masami , Sato Rina , Suya Tokunori , Kitagawa Hiroyuki

    … A timing belt to drive the power generator that supplies power to a turbomolecular pump was completely broken, and was dropped down to the bottom. … The turbo molecular pump is important to keep good transmission from C^- to C^3+. …

    名古屋大学年代測定研究 (3), 73-81, 2019-03

    IR  DOI 

  • Turbomolecular Pump as Main Pump in a High-power Proton Accelerator Vacuum System  [in Japanese]

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

    … 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. … Turbomolecular pump also has the advantage of not causing pressure instabilities like ion pumps. …

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

    J-STAGE 

  • Status and Applications of a Tandetron AMS System at Nagoya University in 2016  [in Japanese]

    中村 俊夫 , 南 雅代 , 増田 公明 , 小田 寛貴 , 池田 晃子 , 栗田 直幸 , 窪田 薫 , 西田 真砂美 , 椋本 ひかり , 藤沢 純平 , 方 雨婷 , 徳丸 誠 , 酢屋 徳啓 , 北川 浩之 , Nakamura Toshio , Minami Masayo , Masuda Kimiaki , Oda Hirotaka , Ikeda Akiko , Kurita Naoyuki , Kubota Kaoru , Nishida Masami , Mukumoto Hikari , Fujisawa Junpei , Fang Yuting , Suya Tokunori , Kitagawa Hiroyuki

    … Parts for maintaining the pump system are no longer supplied by the manufacturer, leaving us no choice but to replace the cryo-pumping system with a turbomolecular pumping system. …

    名古屋大学年代測定研究 (1), 141-148, 2017-03-31

    IR  DOI 

  • Turbomolecular pumps on conical active magnetic bearings

    BONFITTO Angelo , AMATI Nicola , SUAREZ Lester D. , TONOLI Andrea

    … <p>The adoption of magnetic levitation is experiencing a steady growth in the vacuum industry and, in particular, in turbomolecular pumps. …

    Mechanical Engineering Journal 4(5), 16-00569-16-00569, 2017

    J-STAGE 

  • Tips for basic vacuum science and technology  [in Japanese]

    ICHIMURA Masaya

    <p>真空技術とは気体を扱う技術であることを説明し，気体分子の運動について簡単に解説します．それから，代表的な真空ポンプ（油回転ポンプ，ターボ分子ポンプ，クライオポンプ）について，動作原理と使用上注意すべきことを述べます．</p>

    Oyo Buturi 85(1), 49-52, 2016

    J-STAGE 

  • An Inquiry into Description of Performance Characteristics of Turbomolecular Pump  [in Japanese]

    WATANABE Mitsunori , FUJITA Koichi

    …   Turbomolecular pump is featured by mainly two performance, they are pumping speed (or volume flow rate) and ultimate pressure, which mean how fast and how lower the pressure pump can evacuate a vacuum chamber, respectively. … The measurement methods of these pump's characteristics are specified in the JAPANESE INDUSTRIAL STANDARDS (JIS B 8328), and specific numerical values are provided by turbo molecular pump's manufacturers.<br> …

    Journal of the Vacuum Society of Japan 58(7), 249-252, 2015

    J-STAGE 

  • 29pm3-PN-15 Effect of Pumping Performance with a microfabrication of Turbine Blade  [in Japanese]

    Yabuki Masuhisa

    … Turbomolecular pumps(TMPs) has been studied until now by many researchers. … However, by a technological advance of the recent NC Machine or etching technology, form of conventional blade section was able to make a different pump. …

    The Proceedings of the Symposium on Micro-Nano Science and Technology 2015.7(0), _29pm3-PN--_29pm3-PN-, 2015

    J-STAGE 

  • In-situ Measurement of the Effective Pumping Speed of High Vacuum Pump and the Sensitivity of Ionization Gauge by Combining the Standard Conductance Element and the Conductance Modulation Method  [in Japanese]

    YOSHIDA Hajime , AKIMICHI Hitoshi , KOBATA Tokihiko

    … The effective pumping speed of turbomolecular pump, the inverse of the correction factor of ionization gauges, and the effective accommodation coefficient of the spinning rotor gauge were measured by using fifteen kinds of gas species including water vapor. …

    Journal of the Vacuum Society of Japan 55(5), 226-232, 2012-05-20

    J-STAGE  References (14)

  • Development of atmospheric pressure type turbomolecular pump  [in Japanese]

    川崎 裕之 , 小神野 宏明

    Ebara engineering review. (225), 37-41, 2009-10

  • X-ray Spectra from a Brass-target Plasma Triode

    SATO Eiichi , OBARA Haruo , ENOMOTO Toshiyuki , TANAKA Etsuro , MORI Hidezo , KAWAI Toshiaki , ICHIMARU Toshio , OGAWA Akira , SATO Shigehiro , TAKAYAMA Kazuyoshi , ONAGAWA Jun

    … The x-ray tube was a demountable triode with a brass target containing 65% copper and 35% zinc by weight, and a turbomolecular pump evacuated air from the tube with a pressure of 1 mPa. …

    Japanese Journal of Medical Physics 27(4), 163-171, 2007-12-30

    J-STAGE  Ichushi Web  References (20)

  • Standardization of Measurement of Performance Characteristics of Vacuum pump  [in Japanese]

    KANETO Shigeru , HIRATA Masahiro

    …   Standardization of measurement of performance characteristics of vacuum pump in Japan is described. … A draft of the standard was prepared based on the ISO 5302 (Vacuum technology—Turbomolecular pumps—Measurement of performance characteristics).<br> …

    Shinku 50(8), 520-523, 2007-08-20

    J-STAGE 

  • Turbomolecular Pump  [in Japanese]

    ODAKA Kenji

    …   Turbomolecular pumps (TMPs) are fully grown products. …

    Shinku 49(8), 466-469, 2006-08-20

    J-STAGE  References (5)

  • A Three-Dimensional DSMC Simulation of Single-Stage Turbomolecular Pump Adopting Accurate Intermolecular Collisions Models

    WANG Sheng , NINOKATA Hisashi

    The single-stage TMP is investigated by the direct simulation Monte Carlo (DSMC) method with a three dimensional analysis in a rotating reference frame. The generalized soft sphere (GSS) model and the …

    Journal of Fluid Science and Technology 1(2), 58-71, 2006

    J-STAGE 

  • Angular dependence of x-ray spectra from a demountable x-ray tube with a copper target

    Sato Eiichi , Tanaka Etsuro , Mori Hidezo , Kawai Toshiaki , Inoue Takashi , Ogawa Akira , Takahashi Kiyomi , Sato Shigehiro , Takayama Kazuyoshi

    … The x-ray generator consists of the following components : a constant high-voltage power supply, a filament power supply, a turbomolecular pump, and an x-ray tube. … The x-ray tube is a demountable diode which is connected to the turbomolecular pump and consists of the following major devices : a tungsten hairpin cathode (filament), a focusing electrode, a polyethylene terephthalate x-ray window 0.25mm in thickness, a stainless-steel tube body, and a rod target. …

    Annual report of Iwate Medical University School of Liberal Arts and Sciences (41), 9-16, 2006

    IR  Ichushi Web 

  • Enhanced K-edge Angiography Utilizing Tantalum Plasma X-ray Generator in Conjunction with Gadolinium-Based Contrast Media

    Sato Eiichi , Takayama Kazuyoshi , Onagawa Jun , Ido Hideaki , Hayasi Yasuomi , Kimura Koji , Tanaka Etsuro , Mori Hidezo , Kawai Toshiaki , Inoue Takashi , Ogawa Akira , Sato Shigehiro

    … The X-ray tube is a demountable cold-cathode diode, and the turbomolecular pump evacuates air from the tube with a pressure of approximately 1 mPa. …

    Japanese Journal of Applied Physics 44(12), 8716-8721, 2005

    J-STAGE 

  • X-ray spectra from a Characteristic X-ray Generator with a Molybdenum Tube

    Sato Eiichi , Tanaka Etsuro , Mori Hidezo , Kawai Toshiaki , Inoue Takashi , Ogawa Akira , Takahashi Kiyomi , Sato Shigehiro , Takayama Kazuyoshi

    … This generator consists of the following components: a constant high-voltage power supply, a filament power supply, a turbomolecular pump, and an x-ray tube. … The x-ray tube is a demountable diode which is connected to the turbomolecular pump and consists of the following major devices: a molybdenum rod target, a tungsten hairpin cathode (filament), a focusing electrode, a polyethylene terephthalate x-ray window 0.25mm in thickness, and a stainless-steel tube body. …

    Annual report of Iwate Medical University School of Liberal Arts and Sciences (40), 1-7, 2005

    IR 

  • Past and Future of the Turbomolecular Pump  [in Japanese]

    SAWADA Tadashi

    Shinku 47(3), 99-103, 2004-03-20

    J-STAGE  References (19)

  • Quasi-Monochromatic Flash X-Ray Generator Utilizing Disk-Cathode Molybdenum Tube

    Sato Eiichi , Takayama Kazuyoshi , Ido Hideaki , Sagae Michiaki , Tanaka Etsuro , Hayasi Yasuomi , Germer Rudolf , Mori Hidezo , Kawai Toshiaki , Ichimaru Toshio , Sato Shigehiro

    … The X-ray tube is a demountable diode, and the turbomolecular pump evacuates air from the tube with a pressure of approximately 1 mPa. …

    Japanese Journal of Applied Physics 43(10), 7324-7328, 2004

    J-STAGE 

  • Pumping Performance of a Turbomolecular Pump Considering the Surface Roughness of the Blades  [in Japanese]

    YABUKI Masuhisa , SAWADA Tadashi , SUGIYAMA Wataru , WATANABE Mitsunori

    … Turbomolecular pumps (TMPs) coated with SiO_2 have relatively rough surfaces and give a higher compression ratio than non-coated pumps. …

    Transactions of the Japan Society of Mechanical Engineers. Series B. 69(687), 2459-2465, 2003-11-25

    References (8)

  • Effect of Blade Surface Roughness on the Pumping Performance of Turbomolecular Pumps  [in Japanese]

    YABUKI Masuhisa , SAWADA Tadashi , SUGIYAMA Wataru , HARADA Saori , WATANABE Mitsunori

    Transactions of the Japan Society of Mechanical Engineers. Series B. 69(681), 1187-1192, 2003-05-25

    References (6)

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