Method for the fabrication of an improved X-ray image intensifie

Details Method for the fabrication of an improved X-ray image intensifie Method for the fabrication of an improved X-ray image intensifie

1989-07-06

1990-07-24

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

427 74, 313530, H01J 920, G21K 400

Patent

active

049432540

ABSTRACT:
Disclosed is a method for the fabrication of an X-ray image intensifier tube. Before being introduced into the X-ray image intensifier, one of all the electrodes are entirely or partially covered with a layer of an orgainc polymer which is an electronic conductor of electricity and which has the property of reacting chemically with the alkaline metals deposited on the electrodes. Thus, the spurious illumination of the observation screen, due to the alkaline metals deposited on the electrodes during the preparation of the photocathode, is eliminated.

REFERENCES:
patent: 3846654 (1974-11-01), Franz
patent: 4459508 (1984-07-01), Ichikawa
patent: 4862006 (1989-08-01), Vieux

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