Brightness intensifier tube comprising seals

Details Brightness intensifier tube comprising seals Brightness intensifier tube comprising seals

1990-12-18

1992-08-18

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313525, H01J 3150

Patent

active

051401509

ABSTRACT:
A brightness intensifier tube is composed of a cylindrical sleeve portion comprising supporting faces acting as reference surfaces for an entrance window and an exit screen so that a vacuum tight tube with exactly positioned parts can be formed by way of seals provided by application of a single compressive load. Because electrodes of an electron optical imaging system are supported by the windows or the sleeve portion in an exactly positioned fashion, assembly produces exact positioning of the electrode system in the tube.

REFERENCES:
patent: Re30596 (1981-04-01), Cuelenaera et al.
patent: 3510925 (1970-05-01), Fleck
patent: 4171480 (1979-10-01), Wulms
patent: 4554481 (1985-11-01), Faulkner et al.
patent: 4831249 (1989-05-01), Van Der Velden et al.
patent: 4855587 (1989-08-01), Creusen et al.
patent: 4960987 (1990-10-01), Frank
patent: 4996414 (1991-02-01), Frank et al.

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