Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945861 | Polishing head of chemical mechanical polishing apparatus and polishing method using the same | Jae-Phil Boo, Jong Soo Kim, Jun-Gyu Ryu, Sun-Wung Lee | 2005-09-20 |
| 6921323 | Apparatus for polishing a semiconductor wafer and method therefor | Jae-Phil Boo, Jun-Gyu Ryu, Sun-Wung Lee | 2005-07-26 |
| 6881135 | Polishing head of chemical mechanical polishing apparatus and polishing method using the same | Jae-Phil Boo, Jong Soo Kim, Jun-Gyu Ryu, Sun-Wung Lee | 2005-04-19 |