Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855252 | Process for making self-aligned contacts | Steven L. Peterman | 1989-08-08 |
| 4836885 | Planarization process for wide trench isolation | Charles P. Breiten, Jacob Frederick Theisen | 1989-06-06 |
| 4814290 | Method for providing increased dopant concentration in selected regions of semiconductor devices | Jeffrey R. Barber, Harish N. Kotecha, David Meyer | 1989-03-21 |