Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888820 | Stacked insulating film including yttrium oxide | Ih-Chin Chen, James G. Bohlman, Hun-Lian Tsai | 1989-12-19 |
| 4882649 | Nitride/oxide/nitride capacitor dielectric | Ih-Chin Chen, Robert Reid Doering | 1989-11-21 |