Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613693 | Etchant used in the manufacture of semiconductor devices and etching method using the same | Heoung-bin Lim, Jun-ing Gil, Eun-Mi Bae | 2003-09-02 |
| 6548419 | Wet etching system for manufacturing semiconductor devices and wet etching method using the same | Heoung-bin Lim | 2003-04-15 |