Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723644 | Method of fabricating a semiconductor device using two chemical mechanical polishing processes to polish regions having different conductive pattern densities | Sang-rok Hah | 2004-04-20 |
| 6716732 | Method for fabricating a contact pad of semiconductor device | Young-rae Park, Bo-Un Yoon, Sang-rok Hah | 2004-04-06 |