Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788201 | Method for producing a single crystal from semiconductor material by the FZ method; device for carrying out the method and semiconductor silicon wafer | Goetz Meisterernst, Gundars Ratnieks, Simon Zitzelsberger | 2023-10-17 |
| 9932690 | Device for producing a monocrystal by crystallizing said monocrystal in a melting area | Georg Raming | 2018-04-03 |
| 9932691 | Method for growing a single crystal by crystallizing the single crystal from a float zone | Georg Raming, Gundars Ratnieks, Martin Moeller, Frank Muemmler | 2018-04-03 |
| 9422634 | Method and apparatus for producing a single crystal | Georg Raming, Gundars Ratnieks, Johann Landrichinger, Josef Lobmeyer, Alfred Holzinger | 2016-08-23 |
| 9084296 | Induction heating coil and method for melting granules composed of semiconductor material | Joerg Fischer, Helge Riemann, Wilfried von Ammon | 2015-07-14 |
| 8834627 | Method for producing a single crystal composed of silicon by remelting granules | Wilfried von Ammon, Martin Wasner | 2014-09-16 |
| 8580033 | Method for producing a single crystal of semiconductor material | Wilfried von Ammon, Helge Riemann, Joerg Fischer | 2013-11-12 |
| 8475592 | Method for producing a single crystal of semiconductor material | Wilfried Ammon, Helge Riemann, Joerg Fischer | 2013-07-02 |
| 8454746 | Method for producing a single crystal composed of silicon using molten granules | Wilfried von Ammon | 2013-06-04 |
| 7011704 | Method and device for the production of a single crystal | — | 2006-03-14 |
| 6840998 | Silicon single crystal produced by crucible-free float zone pulling | Manfred Grundner, Janis Virbulis | 2005-01-11 |