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Low Energy X-Ray Transmission Images by using a Microfocus X-Ray Tube and a be-Window X-Ray Image Intensifier(XRII)

Published online by Cambridge University Press:  02 July 2020

H. Konuma ,
K. Kuroki ,
K. Kurosawa  and
N. Saitoh
H. Konuma
Affiliation:
National Research Institute of Police Science, 6 Sanban-cho, Chiyoda-ku, Tokyo, 102Japan
K. Kuroki
Affiliation:
National Research Institute of Police Science, 6 Sanban-cho, Chiyoda-ku, Tokyo, 102Japan
K. Kurosawa
Affiliation:
National Research Institute of Police Science, 6 Sanban-cho, Chiyoda-ku, Tokyo, 102Japan
N. Saitoh
Affiliation:
National Research Institute of Police Science, 6 Sanban-cho, Chiyoda-ku, Tokyo, 102Japan
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Extract

Photographs of x-ray transmission images by x-ray films have been used for observing the inside nondestructively. Further, Imaging Plates(IP) are used for precise measurements of x-ray diffraction patterns. But, these integrating area detectors are not suitable for real time nor time resolved measurements. For real time and time resolved measurements, the X-Ray Image Intensifier(XRII, a large image tube that converts an x-ray image into a visible image) is used for biological x-ray TV systems, x-ray nondestructive inspection systems etc. These TV x-ray image systems require high energy x-rays, x-ray tube voltage of 30 to 150 kV, and show faint contrast for x-ray images of light element substances owing to its low absorption coefficients. However, light elements have intense x-ray absorption coefficients in a low energy x-ray region, x-ray tube voltage of 5 to 20 kV, and give fine contrast for x-ray images of light element substances.

Type
Microscopy and Microanalysis in the “Real World”
Information
Microscopy and Microanalysis , Volume 4 , Issue S2: Proceedings: Microscopy & Microanalysis '98, Microscopy Society of America 56th Annual Meeting, Microbeam Analysis Society 32nd Annual Meeting, Atlanta, Georgia July 12-16, 1998 , July 1998 , pp. 494 - 495
Copyright
Copyright © Microscopy Society of America

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References

References:

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