Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1993-06-22
1994-09-20
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
313527, H01J 3150
Patent
active
053491785
ABSTRACT:
An x-ray image intensifier has an evacuated housing, an input luminescent screen, electron optics, and an image sensor disposed inside the housing at a side of the housing opposite the input luminescent screen. The image sensor is covered by a protective layer which effects a deceleration of the incident electrons, the protective layer being applied on that side of the image sensor facing the input luminescent screen.
REFERENCES:
patent: 4213055 (1980-07-01), Schrijivers et al.
patent: 4564753 (1986-01-01), Van Aller et al.
patent: 5093566 (1992-03-01), Van Aller
patent: 5157303 (1992-10-01), Polaert
Mattern Detlef
Oppelt Arnulf
Sklebitz Hartmut
Allen Stephone B.
Nelms David C.
Siemens Aktiengesellschaft
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