Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407891 | Method and apparatus for leveling a semiconductor wafer, and semiconductor wafer with improved flatness | Robert Hoelzl, Andreas Huber, Reinhold Wahlich | 2008-08-05 |
| 6579589 | Semiconductor wafer with crystal lattice defects, and process for producing this semiconductor wafer | Günther Obermeier, Reinhold Wahlich, Alfred Buchner | 2003-06-17 |
| 6395653 | Semiconductor wafer with crystal lattice defects, and process for producing this wafer | Günther Obermeier, Alfred Buchner, Jürgen Hage, Rasso Ostermeir, Wilfried von Ammon | 2002-05-28 |
| 6309467 | Method for producing a semiconductor material | Hanns Wochner, Josef Dietl, Werner Ott, Herbert Pichler, Wilhelm Schmidbauer +2 more | 2001-10-30 |
| 6046117 | Process for etching semiconductor wafers | Susanne Weizbauer, Hanns Wochner, Alfred Bergler | 2000-04-04 |