Impregnated yttric or gadolinium-containing Barium-aluminum-scandate cathodes and their fabrication methods
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 24, 2016
Grant Date -
May 2, 2013
app pub date -
Dec 30, 2011
filing date -
Nov 2, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
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 (Sc2O3), a second rare earth oxide, and barium calcium aluminate, wherein the molar ratio of Ba:Ca:Al is about 4:1:1.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully