Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340625 | Method for simultaneously forming thinner and thicker parts of a dual oxide layer having varying thicknesses | Sang-Kook Choi, Won Sik An, Chung Hwan Kwon | 2002-01-22 |
| 6207588 | Method for simultaneously forming thinner and thicker parts of a dual oxide layer having varying thicknesses | Sang-Kook Choi, Won Sik An, Chung Hwan Kwon | 2001-03-27 |
| 6074930 | Method for forming a trench isolation structure comprising an interface treatment for trench liner and a subsequent annealing process | Han Seong Kim, Chan-Sik Park, Won-Soon Lee | 2000-06-13 |