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Method of Making a Cathode from Tungsten Powder.
Patent Application, Filed 22 Jan 90,
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
Pagination or Media Count:
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.
APPROVED FOR PUBLIC RELEASE