Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687272 | Segmented optical waveguide suitable in particular for being included in a semiconductor device | Jean-Francois Vinchant, Leon Goldstein, Jean-Louis Gentner | 1997-11-11 |
| 5616522 | Method of making a mark on a wafer such as a semiconductor wafer incorporating a buried structure | Franck Mallecot, Claude Artigue, Lionel Legouezigou, Francis Poingt, Fr ed eric Pommereau | 1997-04-01 |