Accession Number : ADD014434

Title :   Method of Making a Cathode from Tungsten Powder.

Descriptive Note : Patent Application, Filed 22 Jan 90,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Branovich, Louis E ; Smith, Bernard ; Freeman, Gerard L ; Eckart, Donald W

Report Date : 22 Jan 1990

Pagination or Media Count : 8

Abstract : This invention relates in general to a method of making a cathode for operation in microwave devices and in particular to a method of making a cathode for operation in microwave devices from tungsten powder using as an impregnant the product formed from adding about 1 mole of a member selected from the group consisting of zirconium, zirconium dioxide, hafnium, hafnium dioxide, uranium, uranium dioxide, titanium, and titanium dioxide to about 50 to about 100 moles of a compound selected from the group consisting of Ba3A12O6, Ba3WO6, and Ba4A1207.

Descriptors :   PATENT APPLICATIONS

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE