Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693970 | Dynamic random access memory device comprising memory cells having capacitor formed above cell transistor and peripheral circuit for improving shape and aspect ratio of contact hole in the peripheral circuit and producing method thereof | — | 1997-12-02 |
| 5637522 | Method for producing a dynamic random access memory device which includes memory cells having capacitor formed above cell transistor and peripheral circuit for improving shape and aspect ratio of contact hole in the peripheral circuit | — | 1997-06-10 |