3D-imaging using micro-PIXE

被引：11
|
作者：
Ishii, K. [1 ]
Matsuyama, S. [1 ]
Watanabe, Y. [1 ]
Kawamura, Y. [1 ]
Yamaguchi, T. [1 ]
Oyama, R. [1 ]
Momose, G. [1 ]
Ishizaki, A. [1 ]
Yamazaki, H. [1 ]
Kikuchi, Y. [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Dept Quantum Sci & Energy Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 571卷 / 1-2期
关键词：
micron-CT; 3D-CT; PIXE; X-ray CCD camera;
D O I：
10.1016/j.nima.2006.10.030
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We have developed a 3D-imaging system using characteristic X-rays produced by proton micro-beam bombardment. The 3D-imaging system consists of a micro-beam and an X-ray CCD camera of 1 mega pixels (Hamamatsu photonics C8800X), and has a spatial resolution of 4 mu m by using characteristic Ti-K-X-rays (4.558 keV) produced by 3 MeV protons of beam spot size of similar to 1 mu m. We applied this system, namely, a micron-CT to observe the inside of a living small ant's head of similar to 1 mm diameter. An ant was inserted into a small polyimide tube the inside diameter and the wall thickness of which are 1000 and 25 mu m, respectively, and scanned by the micron-CT. Three dimensional images of the ant's heads were obtained with a spatial resolution of 4 mu m. It was found that, in accordance with the strong dependence on atomic number of photo ionization cross-sections, the mandibular gland of ant contains heavier elements, and moreover, the CT-image of living ant anaesthetized by chloroform is quite different from that of a dead ant dipped in formalin. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：64 / 68
页数：5
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