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:

1990-01-22

Pagination or Media Count:

8.0

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