Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7070649 | Process for producing a silicon single crystal which is doped with highly volatile foreign substances | Martin Weber, Erich Gmeilbauer, Robert Vorbuchner | 2006-07-04 |
| 6660082 | Method and apparatus for doping a melt with a dopant | Martin Weber, Erich Gmeilbauer, Robert Vorbuchner, Walter Neumaier | 2003-12-09 |
| 5660752 | Heating element and process for heating crucibles | — | 1997-08-26 |
| 5578123 | Apparatus and method for preparing a single crystal | Helmut Pinzhoffer | 1996-11-26 |