Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340642 | Process for manufacturing a silicon semiconductor device having a reduced surface recombination velocity | Wolfgang Arndt, Klaus Graff, Alfons Hamberger | 2002-01-22 |
| 5972724 | Process for reducing the surface recombination speed in silicon | Wolfgang Arndt, Klaus Graff, Alfons Hamberger | 1999-10-26 |