The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2016
Filed:
Dec. 30, 2011
Jinshu Wang, Beijing, CN;
Wei Liu, Beijing, CN;
Fan Yang, Beijing, CN;
Xiang Liu, Beijing, CN;
Hongyi LI, Beijing, CN;
Meiling Zhou, Beijing, CN;
Tieyong Zuo, Beijing, CN;
Jinshu Wang, Beijing, CN;
Wei Liu, Beijing, CN;
Fan Yang, Beijing, CN;
Xiang Liu, Beijing, CN;
Hongyi Li, Beijing, CN;
Meiling Zhou, Beijing, CN;
Tieyong Zuo, Beijing, CN;
BEIJING UNIVERSITY OF TECHNOLOGY, Beijing, CN;
Abstract
Impregnated rare earth metal-containing barium-aluminum-scandate cathodes with a rare earth oxide doped tungsten matrix and methods for the fabrication thereof are described. In one aspect, an impregnated rare earth metal-containing barium-aluminum-scandate cathode comprises: a rare earth oxide doped tungsten matrix, and an impregnated active substance. The active substance comprises scandium oxide (ScO), a second rare earth oxide, and barium calcium aluminate, wherein the molar ratio of Ba:Ca:Al is about 4:1:1.