Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10672583 | Sheet beam electron gun using axially-symmetric spherical cathode | Andrew P. Zubyk | 2020-06-02 |
| 8129910 | Magnetically insulated cold-cathode electron gun | Ramon Duggal, Carter Michael Armstrong | 2012-03-06 |
| 6683414 | Ion-shielded focusing method for high-density electron beams generated by planar cold cathode electron emitters | — | 2004-01-27 |
| 6002988 | Method for optimizing the magnetic field of a periodic permanent magnet focusing device | Carter Michael Armstrong | 1999-12-14 |