Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828196 | Trench filling process for preventing formation of voids in trench | Pei-Feng Sun, Mao-Song Tseng, Yi-Fu Chung | 2004-12-07 |
| 6709952 | Method of forming a bottom oxide layer in a trench | Yi-Fu Chung, Jen-Chieh Chang, Ching-Chiu Chu | 2004-03-23 |