Cathode ray tubes
AssigneeThomson Licensing
InventorsGildo Di Domenico, Paolo Romani, Ivano Domenicali
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Abstract
Cathode-ray tube comprising a glass envelope composed of a substantially rectangular faceplate, of a flared rear part and of a substantially cylindrical neck, the flared part including an anode button for receiving the high voltage, the outer surface of the said flared part being partially covered by an electrically conducting layer, adhering to the said outer surface, the electrically conducting layer being a metallic layer composed mainly of aluminium. This layer makes it possible to improve the image distortions due to the drop in the high voltage during current spikes delivered by the high voltage.
Claims6
Cathode-ray tube comprising a glass envelope composed of a substantially rectangular faceplate, of a flared rear part and of a substantially cylindrical neck, the flared part including an anode button for receiving a high voltage supplying the tube, the outer surface of the said flared part being partially covered by an electrically conducting layer, adhering to the said outer surface, characterized in that the electrically conducting layer is a metallic layer whose linear electrical resistance is less than 1 Ohm per cm.
Dependencies are inferred from the claim text.