Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4692204 | Method of planarizing the surface of a semiconductor device, in which silicon nitride is used as isolating material | Jean-Michel Decrouen | 1987-09-08 |
| 4322264 | Method for selective etching of titaniumdioxide relative to aluminum | Jean Rioult | 1982-03-30 |