Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081182 | Method and apparatus for automatically measuring the concentration of TOC in a fluid used in a semiconductor manufacturing process | Jae-Jun Ryu, Kyung-Dae Kim, June-Ing Gill | 2006-07-25 |
| 6960265 | Apparatus and method for collecting metallic impurity on a semiconductor wafer | June-Ing Gill, Mi Kyoung Lee, Hyun-Gi Cho | 2005-11-01 |
| 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 |
| 6398904 | Wet etching system for manufacturing semiconductor devices | Heoung-bin Lim | 2002-06-04 |