Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084344 | Methods of fabricating a semiconductor device | Jong Won Lee, Sang-Yeob Han, Chang-Ki Hong, Bo-Un Yoon | 2011-12-27 |
| 8048808 | Slurry compositions for polishing metal, methods of polishing a metal object and methods of forming a metal wiring using the same | Jong Won Lee, Sang-Yeob Han, Chang-Ki Hong, Bo-Un Yoon | 2011-11-01 |
| 8043970 | Slurry compositions for selectively polishing silicon nitride relative to silicon oxide, methods of polishing a silicon nitride layer and methods of manufacturing a semiconductor device using the same | Jong Won Lee, Sang-Yeob Han, Chang-Ki Hong | 2011-10-25 |
| 8018078 | Photo key and method of fabricating semiconductor device using the photo key | Byoung-ho Kwon, Chang-Ki Hong, Bo-Un Yoon, Sang Jin Kim | 2011-09-13 |