Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924229 | Method for forming a semiconductor device with a hard mask layer formed over a bit line to protect the bit line during subsequent etching steps | Jung-Taik Cheong, Bong-Ho Choi | 2005-08-02 |