Accession Number : ADD003861

Title :   Water Slurry Coating Method for Thermionic Cathodes.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Sherman,Christopher

Report Date : 04 Mar 1977

Pagination or Media Count : 7

Abstract : A method for coating a platinumum base thermionic cathode with a water slurry of barium zirconate by dipping the cathode into the slurry followed by drying and heating the cathode to form a durable, uniform coating of barium zirconate is reported.

Descriptors :   *Cathodes(Electron tubes), *Coatings, *Slurry coating, *Patent applications, *Thermionic emission, Platinum, Barium compounds, Zirconates

Subject Categories : Electrical and Electronic Equipment
      Coatings, Colorants and Finishes

Distribution Statement : APPROVED FOR PUBLIC RELEASE