Bernard Smith

Method of making a high current density cathode

Method of overcoating a high current density cathode with rhodium

Method of making a long life high current density cathode from tungsten and iridium powders using a quaternary compound as the impregnant

Method of Making a Long Life High Current Density Cathode from Tungsten and Iridium Powders Using a Barium Iridiate as the Impregnant.

Method of making a cathode from tungsten and iridium powders using a barium iridiate formed from barium peroxide and iridium oxide as the impregnant

Method of making a cathode from tungsten and iridium powders using a strontium peroxide containing material as the impregnant

Method of making a long lived high current density cathode from tungsten and iridium powders

Method of making a thermionic field emitter cathode

Method or preparing nonlaminating anisotropic boron nitride

Method of making a cathode from tungsten and iridium powders using a reaction product from reacting a group III A metal with barium peroxide as an impregnant