Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6682876 | Thinner composition and method of stripping a photoresist using the same | Seung-Hyun Ahn, Sang-Mun Chon, Hoe-Sik Chung, Eun-Mi Bae, Baik-Soon Choi +2 more | 2004-01-27 |
| 6589719 | Photoresist stripper compositions | Seung-Hyun Ahn, Sang-Mun Chon, Hoe-Sik Chung, Eun-Mi Bae, Baik-Soon Choi +1 more | 2003-07-08 |
| 6458518 | Photoresist stripper composition and method for stripping photoresist using the same | Sang-Sik Moon, Pil-Kwon Jun, June-ing Kil, Je-eung Park, Sang-mun Chun | 2002-10-01 |
| 6451223 | Thinner composition and methods and systems for using the thinner composition | — | 2002-09-17 |
| 6432622 | Photoresist stripper composition and method for stripping photoresist using the same | Sang-Sik Moon, Pil-Kwon Jun, June-ing Kil, Je-eung Park, Sang-mun Chun | 2002-08-13 |
| 6337174 | Method of stripping a photoresist from a semiconductor substrate dimethylacetamide or a combination of monoethanolamine and dimethylsulfoxide | Chun-Deuk Lee, June-ing Gil, Pil-Kwon Jun | 2002-01-08 |
| 6261970 | Thinner composition and methods and systems for using the thinner composition | — | 2001-07-17 |
| 6207358 | Method of stripping a photoresist from a semiconductor substrate using dimethylacetamide or a combination of monoethanolamine and dimethylsulfoxide | Chun-Deuk Lee, June-ing Gil, Pil-Kwon Jun | 2001-03-27 |
| 6159646 | Rework method utilizing thinner for wafers in manufacturing of semiconductor devices | Chun-Deuk Lee, Bo-yong Lee | 2000-12-12 |