Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198677 | Production of N.sup.+ ions from a multicusp ion beam apparatus | Ka-Ngo Leung, Steven R. Walther | 1993-03-30 |
| 5136171 | Charge neutralization apparatus for ion implantation system | Ka-Ngo Leung, Malcom D. Williams, Charles M. McKenna | 1992-08-04 |