Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004755 | Catoptric objectives and systems using catoptric objectives | Hans-Juergen Mann, Wilhelm Ulrich | 2011-08-23 |
| 7869121 | Small ultra-high NA catadioptric objective using aspheric surfaces | J. Joseph Armstrong, Yung-Ho Alex Chuang | 2011-01-11 |
| 7869122 | Catadioptric projection objective | Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple | 2011-01-11 |