Characteristic X-ray Generator Utilizing Angle Dependence of Bremsstrahlung X-ray Distribution
スポンサーリンク
概要
- 論文の詳細を見る
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 (Wehnelt) electrode, a polyethylene terephthalate X-ray window 0.25 mm in thickness, and a stainless-steel tube body. In the X-ray tube, the positive high voltage is applied to the anode (target) electrode, and the cathode is connected to the tube body (ground potential). In this experiment, the tube voltage applied was from 22 to 36 kV, and the tube current was regulated to within 100 μA by the filament temperature. The exposure time is controlled in order to obtain optimum X-ray intensity. The electron beams from the cathode are converged to the target by the focusing electrode, and clean K-series characteristic X-rays are produced through the focusing electrode without using a filter. The X-ray intensity was 26.6 μGy/s at 1.0 m from the X-ray source with a tube voltage of 30 kV and a tube current of 100 μA, and quasi-monochromatic radiography was performed using a computed radiography system.
- 2006-04-15
著者
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ONAGAWA Jun
Department of Applied Physics and Informatics, Faculty of Engineering, Tohoku Gakuin University
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Tanaka Etsuro
Department Of Nutritional Science Faculty Of Applied Bio-science Tokyo University Of Agriculture
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Sato Shigehiro
Department Of Applied Chemistry And Biotechnology Faculty Of Engineering Niigata Institute Of Techno
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Mori Hidezo
Department Of Bioscience Department Of Cardiovascular Surgery
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Takayama Kazuyoshi
Shock Wave Research Center Institute Of Fluid Science Tohoku University
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Kawai Toshiaki
Electron Tube Division #2 Hamamatsu Photonics Inc.
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Ogawa Akira
Department Of Applied Chemistry Graduate School Of Engineering The University Of Tokyo
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Sato Eiichi
Department Of Information And Electronics Engineering Niigata Institute Of Technology
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Inoue Takashi
Department Of Agricultural Engineering Faculty Of Agriculture Hokkaido University
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INOUE Takashi
Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo
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Kawai Toshiaki
Electron Tube Division #2, Hamamatsu Photonics K.K., 314-5 Shimokanzo, Iwata, Shizuoka 438-0193, Japan
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Sato Eiichi
Department of Anatomic Pathology, Tokyo Medical University
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