Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341809 | Photomask, method for manufacturing the same, and method for measuring optical characteristics of wafer exposure system using the photomask during operation | Tae-Moon Jeong, Seong-woon Choi | 2008-03-11 |
| 7070891 | Photomask, method for manufacturing the same, and method for measuring optical characteristics of wafer exposure system using the photomask during operation | Tae-Moon Jeong, Seong-woon Choi | 2006-07-04 |
| 6919149 | Wave guided alternating phase shift mask and fabrication method thereof | Tae-Moon Jeong, In-Kyun Shin | 2005-07-19 |