Tube for taking shots, its application to the embodiment of the cameras of television and systems for the analysis of images to x-rays, and its method of manufacturing

摘要

In this tube of the formation of images comprising a section forming a target, including at least one conducting film 2 and a photoconductive film 3 on a substrate 1 to the photoelectric conversion, and a system of displacement of an electron beam 7 by scanning in order to read a signal from the section forming a target, at least a portion of the surface zone 5, located outside the region of the effective sweep of the side of the section forming a target, swept by the electron beam, is constituted by a layer of reducing the emission of secondary electrons. / p & & p & application in particular to the tubes of the taking of television cameras and radiography instruments.