Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935327 | Apparatus for growing silicon crystals | Farouk A. Hariri, Michael D. Dangel | 1999-08-10 |
| 5820672 | OISF control in czochralski-grown crystals | Weldon J. Bell | 1998-10-13 |
| 5795382 | Oxygen precipitation control in Czochralski-grown silicon crystals | Weldon J. Bell | 1998-08-18 |
| 5607507 | System for oxygen precipitation control in silicon crystals | Weldon J. Bell | 1997-03-04 |
| 5571320 | Spiral heater for use in czochralski crystal pullers | Farouk A. Hariri | 1996-11-05 |
| 5474020 | Oxygen precipitation control in czochralski-grown silicon cyrstals | Weldon J. Bell | 1995-12-12 |