Accession Number:

ADD007807

Title:

Improved Hollow Beam Electron Source.

Descriptive Note:

Patent Application,

Corporate Author:

DEPARTMENT OF THE ARMY WASHINGTON DC

Personal Author(s):

Report Date:

1980-07-28

Pagination or Media Count:

7.0

Abstract:

A cold field emitter is placed in special relationship to an anode device having a hole in it close to the emitter. A second electrode can be located above the hole in the anode and be a circular shape of lesser diameter than the first anode so as to shape the hollow beam being emitted by the device. Author

Subject Categories:

  • Electrical and Electronic Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE