Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583050 | Semiconductor wafer with improved flatness, and process for producing the semiconductor wafer | Guido Wenski, Thomas Altmann, Willibald Bernwinkler, Wolfgang Winkler, Gerhard Heier | 2003-06-24 |
| 6458688 | Semiconductor wafer with improved flatness, and process for producing the semiconductor wafer | Guido Wenski, Thomas Altmann, Willibald Bernwinkler, Wolfgang Winkler, Gerhard Heier | 2002-10-01 |
| 6051498 | Method for manufacturing a semiconductor wafer which is coated on one side and provided with a finish | Georg Pietsch, Bernd Sauter | 2000-04-18 |
| 5952242 | Method and device for removing a semiconductor wafer from a flat substrate | Georg Pietsch | 1999-09-14 |