Electron emission devices

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube

Reexamination Certificate

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Details

C313S309000, C313S310000, C313S336000, C313S351000

Reexamination Certificate

active

06960876

ABSTRACT:
An electron emission device with nano-protrusions is described. Electrons are emitted from the nano-protrusions and directed by one or more conductors into beams. The beams may be shaped to be collimated, diverged, or converged. The shaped beams from one or more nano-protrusions may be focused onto a target spot through the use of additional electron optics.

REFERENCES:
patent: 4498952 (1985-02-01), Christensen
patent: 5581146 (1996-12-01), Pribat et al.
patent: 09306338 (1997-11-01), None

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