Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587226 | Porcelain-coated antenna for radio-frequency driven plasma source | Russell P. Wells, Glen E. Craven | 1996-12-24 |
| 5563418 | Broad beam ion implanter | — | 1996-10-08 |
| 5558718 | Pulsed source ion implantation apparatus and method | — | 1996-09-24 |
| 5517084 | Selective ion source | — | 1996-05-14 |
| 5365070 | Negative ion beam injection apparatus with magnetic shield and electron removal means | Oscar A. Anderson, CHUN-FU CHAN | 1994-11-15 |
| 5198677 | Production of N.sup.+ ions from a multicusp ion beam apparatus | Wulf B. Kunkel, Steven R. Walther | 1993-03-30 |
| 5136171 | Charge neutralization apparatus for ion implantation system | Wulf B. Kunkel, Malcom D. Williams, Charles M. McKenna | 1992-08-04 |
| 4994706 | Field free, directly heated lanthanum boride cathode | David MOUSSA, Stephen Wilde | 1991-02-19 |
| 4795940 | Large area directly heated lanthanum hexaboride cathode structure having predetermined emission profile | Keith C. Gordon, Dean O. Kippenham, Peter Purgalis, David MOUSSA, Malcom D. Williams +2 more | 1989-01-03 |
| 4793961 | Method and source for producing a high concentration of positively charged molecular hydrogen or deuterium ions | Kenneth W. Ehlers | 1988-12-27 |
| 4760306 | Electron emitting filaments for electron discharge devices | Philip A. Pincosy, Kenneth W. Ehlers | 1988-07-26 |
| 4725449 | Method of making radio frequency ion source antenna | Kenneth W. Ehlers | 1988-02-16 |
| 4559477 | Three chamber negative ion source | Kenneth W. Ehlers, John R. Hiskes | 1985-12-17 |
| 4486665 | Negative ion source | Kenneth W. Ehlers | 1984-12-04 |
| 4447732 | Ion source | Kenneth W. Ehlers | 1984-05-08 |