Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355399 | One step dual damascene patterning by gray tone mask | Marokkey Raphael Sajan, Zhu Sui Hua | 2002-03-12 |
| 6242344 | Tri-layer resist method for dual damascene process | Leong Tee Koh, Marokkey Raphael Sajan, Joseph Xie | 2001-06-05 |
| 6054361 | Preserving the zero mark for wafer alignment | Juan Boon Tan, Zuo Ya Yang | 2000-04-25 |