X-ray image intensifier tube with carbon-reinforced plastic foil

Details X-ray image intensifier tube with carbon-reinforced plastic foil X-ray image intensifier tube with carbon-reinforced plastic foil

1988-05-04

1989-08-08

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313525, H01J 3150, H01J 4014

Patent

active

048555878

ABSTRACT:
An X-ray image intensifier tube comprises an entrance window which is composed of a carbon fibre reinforced plastics foil which is covered with a metal layer. The plastics foil has a comparatively low absorption and the metal layers can be constructed so as to be sufficiently thin and from suitable materials such that only a low absorption occurs therein. The metal layers ensure that the entrance window is suitably vacuumtight and allow for simple vacuumtight connection of the entrance window to the further envelope.

REFERENCES:
patent: 4238043 (1980-12-01), Minami et al.
patent: 4331898 (1982-05-01), Shimizu et al.
"X,.gamma.,.beta.-Ray Detector Windows of Composite Material Replacing Beryllium in the 4.2-420K Temperature Range", Nuclear Istr. & Meth. in Phy. Res. (1986), Rimbert et al, pp. 95-99.

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