Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769973 | Polishing head of chemical mechanical polishing apparatus and polishing method using the same | Jong Soo Kim, Jun-Gyu Ryu, Sang-Seon Lee, Sun-Wung Lee | 2004-08-03 |
| 6709920 | Method of fabricating a non-volatile memory device having a tunnel-insulating layer including more than two portions of different thickness | Soo-Young Tak, Kwang-bok Kim, Kyung-Hyun Kim, Chang-Ki Hong | 2004-03-23 |