Electron beam emitter

Details Electron beam emitter Electron beam emitter

2007-02-20

2007-02-20

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

Electrode and shield structures

Filament or resistance heated electrodes

C313S271000, C313S273000, C313S349000, C313S361100

Reexamination Certificate

active

10957841

ABSTRACT:
A filament for generating electrons for an electron beam emitter where the filament has a cross section and a length. The cross section of the filament is varied along the length for producing a desired electron generation profile.

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