Jinho Choi, A. Gupta, Jaekyu Jang, S. Yeo, Jaeik Jung, M. Chae, Y. Yeon, Byeongno Lee, K. Oh, J. Ahn, Seung Hoon Kim, H. Mok, M. Kong, J. Ryu
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Characterization of compact alumina vacuum sealed x-ray tube for medical imaging: interpretation with simulation program
We developed a compact vacuum X-ray tube using an alumina body instead of glass. A filament is implanted as a cathode which follows Richardson-Dushman equation. After aging the filament to eliminate impurities on the filament which improves performance of filament before tubing, tube current was obtained from anode voltage of 6kV, 3mA to 40kV, 3.15mA. The pulse high voltage generator is designed and developed to make the tube less stressful. With the ceramic X-ray tube, X-ray images of human breast and teeth phantom were successfully obtained, verifying the potential of the compact alumina vacuum sealed X-ray tube in X-ray application for medical imaging.
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