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International
Tables for Crystallography Volume C Mathematical, physical and chemical tables Edited by E. Prince © International Union of Crystallography 2006 |
International Tables for Crystallography (2006). Vol. C. ch. 7.1, p. 632
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Vacuum-tube television cameras have been largely replaced by semiconductor devices but of the former the preferred tube for use in an X-ray detector is still the silicon-intensifier-target (SIT) tube (Santilli & Conger, 1972![[link]](/graphics/greenarr.gif)
). It has an adequate resolution for images up to 512 × 512 pixels and a linear transfer function (unity gamma) and its sensitivity is well matched for use with a single-stage image intensifier with a gain of 100. When cooled, this tube can be used for long exposures in an integrated slow read-out mode (Milch, Gruner & Reynolds, 1982).
When better high-gain image intensifiers become available, the preferred choice may be tubes like the Saticon (Goto, Isozaki, Shidara, Maruyama, Hirai & Fujita, 1974) whose diode gun gives them a superior resolution (Izosaki, Kumada, Okude, Oguso & Goto, 1981) and which have superior `lag' or `sticking' performance, that is a short `memory' for previous high-intensity patterns to which they have been exposed (Shidara, Tanioka, Hirai & Nonaka, 1985).
References
Goto, N., Isozaki, Y., Shidara, K., Maruyama, E., Hirai, T. & Fujita, T. (1974). Saticon: a new photoconductive camera tube with Se–As–Te target. IEEE Trans. Electron Devices, ED-21, 662–666.Google Scholar
Isozaki, Y., Kumada, J., Okude, S., Oguso, C. & Goto, N. (1981). One-inch saticon for high-definition color television cameras. IEEE Trans. Electron Devices, ED-28, 1500–1507.Google Scholar
Milch, J. R., Gruner, S. M. & Reynolds, G. T. (1982). Area detectors capable of recording X-ray diffraction patterns at high counting rates. Nucl. Instrum. Methods, 201, 43–52.Google Scholar
Santilli, V. J. & Conger, G. B. (1972). TV camera with large silicon diode array targets operating in the electron-bombarded mode. Adv. Electron. Electron. Phys. 33A, 219–228.Google Scholar
Shidara, K., Tanioka, K., Hirai, T. & Nonaka, Y. (1985). Recent improvement of Saticon target. IEE Conf. Publ. (London), 253, 29–32.Google Scholar
