Patent · US Active

Carburized La2O3 and Lu2O3 co-doped Mo filament cathode

US10388484B2 · kind B2 · utility

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2References

15Claims

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Assignee

BEIJING UNIVERSITY OF TECHNOLOGY · CN

Inventors

Jinshu Wang · Beijing, CN
Liran Dong · Beijing, CN
Jie Zhang · Sunnyvale, US
Mingchuang Tian · Beijing, CN
Jingchao Liu · Beijing, CN
Xiaoyang Chen · Beijing, CN
Xiao Han · Beijing, CN
Liyang Xiao · Beijing, CN

Key dates

Filing date	Dec 30, 2016
Grant date	Aug 20, 2019
Priority date	—
Expiry date	Dec 30, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49002
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A carburized La2O3 and Lu2O3 co-doped Mo filament cathode is made from lanthanum oxide (La2O3) and lutetium oxide (Lu2O3) doped molybdenum (Mo) powders, the lanthanum oxide (La2O3) and lutetium oxide (Lu2O3) doped molybdenum (Mo) powders contain La2O3, Lu2O3 and Mo with the total concentration of La2O3 and Lu2O3 being 2.0-5.0 wt. % and the rest being Mo.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.