Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8422760 | System for monitoring haze of a photomask | Dong Gun Lee, Seong-sue Kim, Jae-Hyuck Choi | 2013-04-16 |
| 7989123 | Photomask including ion trapping layer and method of manufacturing semiconductor device using the photomask | Han-shin Lee, Jae-Hyuck Choi, Hae-Young Jeong, Hyung-Ho Ko, Jong-Keun Oh +1 more | 2011-08-02 |
| 7745068 | Binary photomask having a compensation layer | Hee-Bom Kim, Woo-Sung Han, Sung-min Huh | 2010-06-29 |
| 7745072 | Method of correcting critical dimension in photomask and photomask having corrected critical dimension using the method | Hee-Bom Kim, Hoon Kim, Sung-min Huh | 2010-06-29 |