Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847959 | Method and apparatus for run-time correction of proximity effects in pattern generation | Robert A. Innes, Sergey Babin, David Trost, Jeffrey A. Varner | 1998-12-08 |
| 5838006 | Conical baffle for reducing charging drift in a particle beam system | Lydia J. Young | 1998-11-17 |
| 5784925 | Vacuum compatible linear motion device | David Trost | 1998-07-28 |
| 5729022 | Composite concentric-gap magnetic lens and deflector with conical pole pieces | William J. DeVore | 1998-03-17 |
| 5552659 | Structure and fabrication of gated electron-emitting device having electron optics to reduce electron-beam divergence | John M. Macaulay, Christopher J. Spindt, Patrick A. Corcoran | 1996-09-03 |
| 5502306 | Electron beam inspection system and method | Dan Meisburger, Alan D. Brodie, Curt H. Chadwick, Anil Desai, Hans-Peter Dohse +28 more | 1996-03-26 |
| 4956024 | Non-contacting method of cleaning surfaces with a planoar gas bearing | Robert L. Dean, Lydia J. Young | 1990-09-11 |
| 4818838 | Apparatus for preselecting and maintaining a fixed gap between a workpiece and a vacuum seal apparatus in particle beam lithography systems | Lydia J. Young | 1989-04-04 |
| 4788431 | Specimen distance measuring system | William A. Eckes, Glen E. Howard, Donald J. McCarthy, Allen M. Carroll, Daniel L. Cavan | 1988-11-29 |
| 4695773 | Field emission gun electrode geometry for improved focus stability | Guy G. Yagunoff | 1987-09-22 |
| 4469948 | Composite concentric-gap magnetic lens | William J. DeVore | 1984-09-04 |
| 4397611 | Particle beam instrumentation ion pump | John C. Wiesner | 1983-08-09 |
| 4337422 | Field emission gun with noise compensation | — | 1982-06-29 |