Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968074 | Method for making low-stress large-volume crystals with reduced stress birefringence and more uniform refractive index and crystals made thereby | Lutz Parthier, Joerg Staeblein, Christian Kusch | 2011-06-28 |
| 7868708 | Method and apparatus for making a highly uniform low-stress single crystal by drawing from a melt and uses of said crystal | Lutz Parthier, Daniel Rytz, Klaus Dupre, Lothar Ackermann | 2011-01-11 |