Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9315917 | Apparatus and method for the production of ingots | Nathan Stoddard | 2016-04-19 |
| 8475592 | Method for producing a single crystal of semiconductor material | Ludwig Altmannshofer, Helge Riemann, Joerg Fischer | 2013-07-02 |
| 6267815 | Method for pulling a single crystal | Andreas Ehlert, Erich Dornberger | 2001-07-31 |
| 6228164 | Process for producing a single crystal | Rudiger Schmolke, Dieter Graf, Ulrich Lambert | 2001-05-08 |
| 6117230 | Process for producing a silicon single crystal, and heater for carrying out the process | Erich Tomzig, Paul Fuchs, Yuri Gelfgat | 2000-09-12 |
| 5935320 | Process for producing silicon semiconductor wafers with low defect density | Dieter Graef, Reinhold Wahlich, Peter Krottenthaler, Ulrich Lambert | 1999-08-10 |
| 4851628 | Method for the crucible-free floating zone pulling of semiconductor rods and an induction heating coil therefor | Wolfgang Hensel, Heinz Klinger | 1989-07-25 |