Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8216361 | Monocrystalline semiconductor wafer comprising defect-reduced regions and method for producing it | Dieter Knerer, Andreas Huber, Friedrich Passek | 2012-07-10 |
| 8088219 | Monocrystalline semiconductor wafer comprising defect-reduced regions and method for producing it | Dieter Knerer, Andreas Huber, Friedrich Passek | 2012-01-03 |
| 7387676 | Process for producing silicon semiconductor wafers with defined defect properties, and silicon semiconductor wafers having these defect properties | Wilfried von Ammon, Walter Haeckl, Andreas Huber | 2008-06-17 |
| 7122865 | SOI wafer and process for producing it | Robert A. Holzl, Dirk Dantz, Andreas Huber, Reinhold Wahlich | 2006-10-17 |
| 6946030 | Method for the production of a silica glass crucible with crystalline regions from a porous silica glass green body | Fritz Schwertfeger, Holger Szillat, Christoph Frey, Axel Frauenknecht | 2005-09-20 |
| 6228164 | Process for producing a single crystal | Wilfried Ammon, Rudiger Schmolke, Dieter Graf | 2001-05-08 |
| 5935320 | Process for producing silicon semiconductor wafers with low defect density | Dieter Graef, Wilfried Ammon, Reinhold Wahlich, Peter Krottenthaler | 1999-08-10 |