Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114742 | Preparing a scandate cathode by impregnating a porous tungsten billet with Ba.sub.3 Al.sub.2 O.sub.6, coating the top surface with a mixture of Sc.sub.6 WO.sub.12, Sc.sub.2 (WO.sub.4).sub.3, and W in a 1:3:2 mole ratio, and heating in a vacuum | Gerard L. Freeman, Donald W. Eckart | 1992-05-19 |