Microchannel image intensifier tube and image pick-up system com

Details Microchannel image intensifier tube and image pick-up system com Microchannel image intensifier tube and image pick-up system com

1981-07-07

1984-12-18

Moore, David K.

Electric lamp and discharge devices

Photosensitive

Plural secondary emissive electrodes

313534, 313553, 313558, H01J 4304, H01J 4328

Patent

active

044892519

ABSTRACT:
In order to limit the increased quantity of ions produced within the tube as a result of the presence of a microchannel element within the tube, getters are placed on the probable path followed by the ions under the action of potentials applied to the electrodes. The electrodes to which the getters adhere are designed in two parts or constituent elements in order to permit the supply of getters if necessary. The electrode elements are bent-back in order to serve as shields in the case of vaporizable getters.

REFERENCES:
patent: 2880348 (1959-03-01), Gray
patent: 3100274 (1963-08-01), Luftman et al.
patent: 3816788 (1974-06-01), Reash
patent: 3868536 (1975-02-01), Enck, Jr.
patent: 3870917 (1975-03-01), Cuny
patent: 4295073 (1981-10-01), Freeman et al.

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