Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849371 | Monocrystalline semiconductor buried layers for electrical contacts to semiconductor devices | Kent W. Hansen, Frank S. d'Aragona | 1989-07-18 |
| 4818323 | Method of making a void free wafer via vacuum lamination | Frank S. d'Aragona | 1989-04-04 |