Input screen scintillator for a radiological image intensifier t

Details Input screen scintillator for a radiological image intensifier t Input screen scintillator for a radiological image intensifier t

1986-08-19

1989-02-07

Anderson, Bruce C.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

2504831, H01J 162

Patent

active

048033669

ABSTRACT:
The present invention provides an input screen scintillator for a radiological image intensifier tube in which the cesium iodide needles of the scintillator are coated with a refractory, transparent of reflecting, material having an optical index close to or less than that of the cesium iodide. Different methods may be used for coating, such as chemical vapor phase deposition, activated by thermal excitation, plasma excitation or photonic excitation; or such as diffusion deposition of a colloidal solution; or such as polymerization of a polymer resin. After coating, is realized the heat treatment which ensures the luminescence of the screen.

REFERENCES:
patent: 3838273 (1974-09-01), Cusano
patent: 4069355 (1978-01-01), Lubowski et al.
patent: 4100455 (1978-07-01), Suffredini et al.
patent: 4101781 (1978-07-01), Neukermans et al.
patent: 4398118 (1983-08-01), Galves et al.
patent: 4504738 (1985-03-01), Noji et al.

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