X-ray image intensifier tube including a luminescent layer which

Details X-ray image intensifier tube including a luminescent layer which X-ray image intensifier tube including a luminescent layer which

1986-04-03

1987-12-08

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

2504871, 2504831, 378156, G01T 120

Patent

active

047120118

ABSTRACT:
An X-ray image intensifier tube which includes a luminescent layer with an absorption material having a high absorption for secondary X-rays which are generated in the original luminescent material and which are intercepted to only a very small extent by the original luminescent material. The absorption material may be included in the layer of luminescent material in homogeneous form as well as in recesses in said layer. In addition to improved resolution, a higher efficiency can be achieved by ensuring that, upon interception of the secondary radiation, the absorption material generates luminescent or secondary radiation which is intercepted by the original luminescent material.

REFERENCES:
patent: 3872309 (1975-12-01), DeBelder et al.
patent: 4054799 (1977-10-01), Wolfe et al.
patent: 4393512 (1983-07-01), Wong
patent: 4490615 (1984-12-01), Riihimaki et al.

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