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- W975086391 abstract "This chapter focuses on a supersensitive camera tube incorporating a silicon electron-multiplication target. The tube is composed of an electrostatic image section and a scanning section with electromagnetic focusing and deflection. The image electrons liberated from the S.20 photocathode are focused on to the input side of the silicon target and are converted to a charge image on its scanned side. The recharging of the target by the scanning electron beam generates the video signal. Because the silicon target is also sensitive to photoexcitation, a light absorbing layer, a thin aluminum film with a thickness of a few hundred angstroms, is needed on its input side to cut off the stray light entering through the photocathode. When the illumination is so high that only a low accelerating voltage is needed on the image section to make the target gain low, the stray light causes background signal current and, sometimes, picture shading effects. Results obtained suggest that the technological improvement in the manufacturing process will result in better picture quality and photosensitivity, and further study of the operating mechanism of the silicon target will result in reduction of image lag and better resolution." @default.
- W975086391 created "2016-06-24" @default.
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- W975086391 date "1972-01-01" @default.
- W975086391 modified "2023-09-27" @default.
- W975086391 title "A Supersensitive Camera Tube Incorporating a Silicon Electron-multiplication Target" @default.
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- W975086391 doi "https://doi.org/10.1016/s0065-2539(08)61299-8" @default.
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