Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45468 | Barrier-slurry-free copper CMP process | Yi-Chen Chen, Ching-Ming Tsai | 2015-04-14 |
| 6830504 | Barrier-slurry-free copper CMP process | Yi-Chen Chen, Ching-Ming Tsai | 2004-12-14 |