Electric lamp and discharge devices: systems – Cathode ray tube circuits – With radiant energy sensitive control means
Patent
1969-04-09
1978-11-21
Hubler, Malcolm F.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
With radiant energy sensitive control means
313103CM, 313105CM, H01J 3148, H01J 4306
Patent
active
041268130
ABSTRACT:
The invention includes an electron tube such as an image intensifier which utilizes a channel-type electron multiplier. The multipler is made of a perforated glass plate made in a manner such that secondary emission may be produced at the interior surfaces of the holes through the plate. Primary electrons are introduced to the holes at one end and a much larger emission emanates from the other end. Conductive layers on each side of the plate have holes in registration with the plate holes. The conductive layers are maintained at potentials to accelerate electron flow through the holes. In accordance with the present invention, a third conductive layer is provided at the output side. When the third conductive layer is maintained negative, resolution is improved.
REFERENCES:
patent: 3327151 (1967-06-01), Adams et al.
patent: 3387137 (1968-06-01), Adams
patent: 3436590 (1969-04-01), Wolfgang et al.
patent: 3458745 (1969-07-01), Shoulders
Hubler Malcolm F.
International Telephone and Telegraph Corporation
O'Halloran John T.
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