Accession Number : ADD012550

Title :   Method of Making a Thermionic Field Emitter Cathode.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC

Personal Author(s) : Smith,Bernard ; Branovich,Louis E

Report Date : 10 Oct 1986

Pagination or Media Count : 10

Abstract : The face of a cathode surface is machined to provide a spiral surface finish with microscopic sharp symmetrical protrusions. The cathode gives enhanced emission due to field emission generated at the sharp symmetrical protrusions and due to the increased surface area.

Descriptors :   *PATENT APPLICATIONS, *EMITTERS, *THERMIONIC EMISSION, *CATHODES, FABRICATION, SURFACE FINISHING, MICROWAVE TUBES, RADIOFREQUENCY POWER

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE