Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514638 | Electron-optical system with variable-shaped beam for generating and measuring microstructures | Burkhard Lischke, Juergen Frosien, Erich Plies | 1985-04-30 |
| 4393308 | High current electron source | Juergen Frosien, Burkhard Lischke, Erich Plies, Klaus Tonar | 1983-07-12 |
| 4335309 | Method and device for the rapid deflection of a particle beam | Juergen Frosien | 1982-06-15 |
| 4246487 | Method and device for determining the focal length of a long focal length electron optical lens | Jürgen Frosien, Burkhard Lischke | 1981-01-20 |
| 4238680 | Method and device for setting and correcting errors of an electron optical condenser of a microprojector | Juergen Frosien, Burkhard Lischke | 1980-12-09 |