X-ray Source with Cold Emitter Fabricated Using ZnO Conductive Whiskers
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概要
- 論文の詳細を見る
A new structure for the surface illuminant X-ray source system using a low-cost aluminum-doped zinc oxide (ZnO:Al) whisker cold emitter is proposed and a prototype setup is introduced. The X-ray source was fabricated using a cold cathode that consists of an aggregation of conductive ZnO:Al whiskers. The ZnO:Al whiskers were deposited on an n-type single crystalline wafer of silicon by an atmospheric chemical-vapor-deposition method. The electron emission current from the ZnO:Al whiskers varied with the Al concentration of ZnO. The diode and triode X-ray sources generated X-rays from the tungsten target used as an anode. X-ray images of a leaf and a small sardine were taken on medical X-ray films. Clear X-ray images were obtained.
- 2008-09-25
著者
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西野 純一
Nagaoka University Of Technology
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西野 純一
長岡技科大
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Saitoh Hidetoshi
Department Of Bioresource Science Obihiro University Of Agriculture And Veterinary Medicine
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Ito Haruhiko
Department Of Chemistry Faculty Of Science The University Of Tokyo
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NISHINO Junichi
Department of Chemistry, Nagaoka University of Technology
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Ohshio Shigeo
Department Of Chemistry Nagaoka University Of Technology
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Nishino J
Department Of Chemistry Nagaoka University Of Technology
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Ohkawara Yoshiaki
Department Of Chemistry Nagaoka University Of Technology
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Ohkawara Yoshiaki
Department of Materials Science, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan
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Ito Haruhiko
Department of Materials Science, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan
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Ooki Satoshi
Department of Materials Science, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan
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Nishino Junichi
Fukui National College of Technology, Geshi, Sabae, Fukui 916-8507, Japan
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Saitoh Hidetoshi
Department of Materials Science, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, Japan
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