Method of Making a Long Life High Current Density Cathode from Tungsten and Osmium Powders Using Barium Osmiate as an Impregnant.
Patent Application, Filed 27 Jun 88,
DEPARTMENT OF THE ARMY WASHINGTON DC
Pagination or Media Count:
A long life high current density cathode is made from a mixture of tungsten and osmium powders by processing the mixture of powders with an activator into a porous billet, and then impregnating the billet with a barium osmiate by firing the billet in a dry hydrogen furnace at a temperature at which the impregnant melts. Patent applications. Patent application. MJM
- Inorganic Chemistry
- Electrical and Electronic Equipment