Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9530670 | Methods of forming conductive patterns and methods of manufacturing semiconductor devices using the same using an etchant composition that includes phosphoric acid, nitric acid, and an assistant oxidant | Hoon Han, Byoung-Moon Yoon, Young-Taek Hong, Keon-Young Kim, Jun-Youl Yang +5 more | 2016-12-27 |