Inventor

ECKART DONALD W

US25 patents

⚠️ This page may combine multiple inventors who share the name “ECKART DONALD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ECKART DONALD W

US ARMY

Compound in the series A2 MeSbO6 for use as substrates barrier-dielectric layers and passivating layers in high critical temperature superconducting devices

Piezoelectrically controlled superconducting switch

Rare earth metal compounds for use in high critical temperature thin film super-conducting antennas

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 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 barium peroxide containing material as the impregnant

Method for measuring thin film thickness

Rare earth metal compounds for use in high critical temperature Josephson junctions

Rare earth metal compounds for use in high critical temperature thin film super-conductors, ferroelectrics, pyroelectrics, piezoelectrics, and hybrids

Thermionic cathode using oxygen deficient and fully oxidized material for high electron density emissions

Method of making a pyroelectric film sensing device

Thermionic cathode

Method of preparing an impregnated cathode with an enhanced thermionic emission from a porous billet and cathode so prepared

Method of making a cathode from tungsten powder

Method of making a long life high current density cathode from tungsten and iridium powders using a mixture of barium peroxide and a coated emitter as the impregnant

Method of making a cathode from tungsten and iridium powders using a reaction product from reacting barium peroxide with an excess of tungsten as the impregnant

Method of making a cathode from tungsten and aluminum powders

Method of making a long life high current density cathode from tungsten and iridium powders using a low melting point impregnant

Method of making and improved scandate cathode

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

Preparing a scandate cathode by impregnating a porous tungsten billet with Ba3 Al2 O6, coating the top surface with a mixture of Sc6 WO12, Sc2 (WO4)3, and W in a 1:3:2 mole ratio, and heating in a vacuum

Methods of making thermionic cathode using oxygen deficient and fully oxidized material to enhance emissions

Method of making a long life high current density cathode from aluminum oxide and tungsten oxide powders

Rare earth metal compounds for use in high critical temperature thin film super-conductors

TAUBER ARTHUR

Rare earth metal compounds for use in high critical temperature thin film structures for super-conductors, ferroelectrics, pyroelectrics, piezoelectrics, and hybrids