Camera tube with reduced flare

Details Camera tube with reduced flare Camera tube with reduced flare

H - Electricity

01

J

313/35.202

H01J 29/89 (2006.01)

Patent

CA 1088990

ABSTRACT: The optical cross-talk in the target of a camera tube which comprises, for example, a target made of lead monoxide is reduced by an element which overlaps the entire target. If this element consists of a filter which is arranged in front of the photo- sensitive layer, a spectral transmission which is adapted to the spectral sensitivity of the target is imparted thereto. A filter which is arranged behind the target is preferably con- structed so that it is also low-reflective for incoming light. In order to prevent excessive transverse conduction, the latter filter may have a mosaic structure consisting of mutually insulated areas. The element may alternatively be formed by a target support which is separa- tely arranged in the camera tube and which has a small thickness. - 17-

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