Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551902 | Process for fabricating a buried, laterally insulated zone of increased conductivity in a semiconductor substrate | Norbert Elbel, Zvonimir Gabric | 2003-04-22 |
| 5629053 | Method for manufacturing microcrystalline cubic boron-nitride-layers | Helmuth Treichel, Oswald Spindler, Rainer Braun, Thomas Kruck | 1997-05-13 |
| 4990365 | Method for producing silicon boronitride layers | Helmuth Treichel, Oswald Spindler | 1991-02-05 |