Electron beam apparatus with adjusting mechanism for a thermally

Details Electron beam apparatus with adjusting mechanism for a thermally Electron beam apparatus with adjusting mechanism for a thermally

1989-02-27

1991-03-19

Yusko, Donald J.

Electric lamp and discharge devices

With temperature modifier

For filament or heated cathode

313336, H01J 116, H01J 1910

Patent

active

050013858

ABSTRACT:
In order to avoid undesired variations in the emission current intensity of a clamping device for a thermally emitting cathode tip constructed from pyrolytice graphite, a resilient coupling compensating the thermal stresses n the graphite is provided in an electron beam apparatus.

REFERENCES:
patent: 3532923 (1976-10-01), Vogel
patent: 4068145 (1978-01-01), Nakagawa et al.
patent: 4311941 (1982-01-01), Hiraoka et al.

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