Electrode for an electron gun

Details Electrode for an electron gun Electrode for an electron gun

1981-10-05

1983-10-11

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

Foraminous electrodes or shields

313449, 313444, 313447, 313349, 313452, H01J 146, H01J 1704, H01J 1938, H01J 1940

Patent

active

044095139

ABSTRACT:
An electron gun comprises a cathode for generating at least one electron beam along a beam path and a plurality of electrodes spaced along the beam path from the cathode. The electrode adjacent to the cathode comprises an electrically conductive base member of a first material having an aperture extending therethrough. The base member has two opposing surfaces that have overlying layers of a second electrically conductive material disposed thereon. The overlying layers overhang the aperture in the base member. At least one of the overlying layers has a plurality of apertures therethrough.

REFERENCES:
patent: 3707640 (1972-12-01), Lerner
patent: 3794873 (1974-02-01), Kaplan et al.
patent: 4242613 (1980-12-01), Brambring et al.
patent: 4318027 (1982-03-01), Hughes et al.
patent: 4368405 (1983-01-01), Takenaka et al.

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