A compact low-voltage flash X-Ray tube

Wong, C.S. and Lee, Lee S. and Ong, C.X. and Chin, Oi Hoong (1989) A compact low-voltage flash X-Ray tube. Japanese Journal of Applied Physics, 28 (7). pp. 1264-1267. ISSN 0021-4922, DOI https://doi.org/10.1143/jjap.28.1264.

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Abstract

We describe the construction of a compact, low voltage flash X-ray tube. The device is powered by a small 25 kV, 3300 pF capacitor. Its design is of the vacuum spark configuration with a hollow cathode. The discharge is triggered by a low energy spark behind the hollow cathode; and the triggering spark is also powered by the main capacitor discharge. A 12 k� ballast resistor is connected to this auxiliary spark circuit to limit its current. The flash X-ray tube has been operated in air at pressures ranging from 10-1 to 10-4 mbar. At a charging voltage of 25 kV, the flash X-ray tube is able to produce X-ray pulses of several kilowatts in power.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Cathodes; Electric Sparks; Flash X-Ray Tubes; Hollow Cathodes; Pulsed X-Ray Sources; X-Ray Tubes;
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: miss munirah saadom
Date Deposited: 16 Jul 2013 02:36
Last Modified: 06 Dec 2019 06:13
URI: http://eprints.um.edu.my/id/eprint/7708

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